package common_test

import (
	"errors"
	"os"
	"os/exec"
	"path"
	"slices"
	"strings"
	"testing"

	"go.uber.org/mock/gomock"
	"src.opensuse.org/autogits/common"
	"src.opensuse.org/autogits/common/gitea-generated/models"
	mock_common "src.opensuse.org/autogits/common/mock"
)

/*
	func TestCockpit(t *testing.T) {
		common.SetLoggingLevel(common.LogLevelDebug)
		gitea := common.AllocateGiteaTransport("https://src.opensuse.org")
		tl, err := gitea.GetTimeline("cockpit", "cockpit", 29)
		if err != nil {
			t.Fatal("Fail to timeline", err)
		}
		t.Log(tl)
		r, err := common.FetchGiteaReviews(gitea, []string{}, "cockpit", "cockpit", 29)
		if err != nil {
			t.Fatal("Error:", err)
		}

		t.Error(r)
	}
*/
func reviewsToTimeline(reviews []*models.PullReview) []*models.TimelineComment {
	timeline := make([]*models.TimelineComment, len(reviews))
	for idx, review := range reviews {
		if review.ID == 0 {
			review.ID = int64(idx) + 100
		}

		timeline[idx] = &models.TimelineComment{
			Type:     common.TimelineCommentType_Review,
			ReviewID: review.ID,
		}
	}
	return timeline
}

func TestPR(t *testing.T) {
	return

	baseConfig := common.AutogitConfig{
		Reviewers:      []string{"+super1", "*super2", "m1", "-m2"},
		Branch:         "branch",
		Organization:   "foo",
		GitProjectName: "foo/barPrj#master",
	}

	type prdata struct {
		pr           *models.PullRequest
		pr_err       error
		reviews      []*models.PullReview
		timeline     []*models.TimelineComment
		review_error error
	}

	tests := []struct {
		name      string
		data      []prdata
		api_error string

		resLen        int
		reviewed      bool
		consistentSet bool
		prjGitPRIndex int

		reviewSetFetcher func(*mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error)
	}{
		{
			name: "Error fetching PullRequest",
			data: []prdata{
				{pr: &models.PullRequest{Body: "", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}, pr_err: errors.New("Missing PR")},
			},
			prjGitPRIndex: -1,
		},
		{
			name: "Error fetching PullRequest in PrjGit",
			data: []prdata{
				{pr: &models.PullRequest{Body: "PR: foo/barPrj#22", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}, pr_err: errors.New("missing PR")},
				{pr: &models.PullRequest{Body: "", Index: 22, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
			},
		},
		{
			name: "Error fetching prjgit",
			data: []prdata{
				{pr: &models.PullRequest{Body: "", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
			},
			resLen:        1,
			prjGitPRIndex: -1,
		},
		{
			name: "Review set is consistent",
			data: []prdata{
				{pr: &models.PullRequest{Body: "", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: test/repo#42", Index: 22, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
			},
			resLen:        2,
			prjGitPRIndex: 1,
			consistentSet: true,
		},

		{
			name: "Review set is consistent: 1pkg",
			data: []prdata{
				{pr: &models.PullRequest{Body: "PR: foo/barPrj#22", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: test/repo#42", Index: 22, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
			},
			resLen:        2,
			prjGitPRIndex: 1,
			consistentSet: true,
		},
		{
			name: "Review set is consistent: 2pkg",
			data: []prdata{
				{pr: &models.PullRequest{Body: "some desc", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: test/repo#42\nPR: test/repo2#41", Index: 22, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "some other desc\nPR: foo/fer#33", Index: 41, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo2", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
			},
			resLen:        3,
			prjGitPRIndex: 1,
			consistentSet: true,
		},
		{
			name: "Review set of prjgit PR is consistent",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        1,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &baseConfig)
			},
		},
		{
			name: "Review set is consistent: 2pkg",
			data: []prdata{
				{pr: &models.PullRequest{Body: "PR: foo/barPrj#222", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: test/repo2#41", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: test/repo#42\nPR: test/repo2#41", Index: 22, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, State: "opened"}},
				{pr: &models.PullRequest{Body: "PR: foo/barPrj#20", Index: 41, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo2", Owner: &models.User{UserName: "test"}}}, State: "opened"}},
			},
			resLen:        3,
			prjGitPRIndex: 2,
			consistentSet: true,
		},
		{
			name: "WIP PR is not approved",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "", Title: "WIP: some title", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        1,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      false,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &baseConfig)
			},
		},
		{
			name: "Manual review is missing",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        2,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      false,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:       []string{"+super1", "*super2", "m1", "-m2"},
					Branch:          "branch",
					Organization:    "foo",
					GitProjectName:  "barPrj",
					ManualMergeOnly: true,
				})
			},
		},
		{
			name: "Manual review is done, via PrjGit",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "merge ok", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        2,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:       []string{"+super1", "*super2", "m1", "-m2"},
					Branch:          "branch",
					Organization:    "foo",
					GitProjectName:  "barPrj",
					ManualMergeOnly: true,
				})
			},
		},
		{
			name: "Manual review is done, via PrjGit",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "merge ok", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        2,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:          []string{"+super1", "*super2", "m1", "-m2"},
					Branch:             "branch",
					Organization:       "foo",
					GitProjectName:     "barPrj",
					ManualMergeOnly:    true,
					ManualMergeProject: true,
				})
			},
		},
		{
			name: "Manual review is not done, via PrjGit",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "merge ok", User: &models.User{UserName: "notm2"}, State: common.ReviewStateApproved},
						{Body: "merge not ok", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        2,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      false,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:          []string{"+super1", "*super2", "m1", "-m2"},
					Branch:             "branch",
					Organization:       "foo",
					GitProjectName:     "barPrj",
					ManualMergeOnly:    true,
					ManualMergeProject: true,
				})
			},
		},
		{
			name: "Manual review is done via PackageGit",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "Merge ok", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        2,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:       []string{"+super1", "*super2", "m1", "-m2"},
					Branch:          "branch",
					Organization:    "foo",
					GitProjectName:  "barPrj",
					ManualMergeOnly: true,
				})
			},
		},
		{
			name: "Manual review done via PkgGits",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20\nPR: foo/repo#21", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "Merge	OK!", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 21, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "merge ok", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        3,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:       []string{"+super1", "*super2", "m1", "-m2"},
					Branch:          "branch",
					Organization:    "foo",
					GitProjectName:  "barPrj",
					ManualMergeOnly: true,
				})
			},
		},
		{
			name: "Manual review done via PkgGits not allowed",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20\nPR: foo/repo#21", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "Merge	OK!", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 21, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "merge ok", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        3,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      false,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:          []string{"+super1", "*super2", "m1", "-m2"},
					Branch:             "branch",
					Organization:       "foo",
					GitProjectName:     "barPrj",
					ManualMergeOnly:    true,
					ManualMergeProject: true,
				})
			},
		},
		{
			name: "Manual review is is missing on one PR",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "PR: foo/repo#20\nPR: foo/repo#21", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 20, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
				{
					pr: &models.PullRequest{Body: "PR: foo/barPrj#42", Index: 21, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super1"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
					},
				},
			},
			resLen:        3,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      false,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &common.AutogitConfig{
					Reviewers:       []string{"+super1", "*super2", "m1", "-m2"},
					Branch:          "branch",
					Organization:    "foo",
					GitProjectName:  "barPrj",
					ManualMergeOnly: true,
				})
			},
		},
		{
			name: "PR is approved with negative optional review",
			data: []prdata{
				{
					pr: &models.PullRequest{Body: "", Index: 42, Base: &models.PRBranchInfo{Repo: &models.Repository{Name: "barPrj", Owner: &models.User{UserName: "foo"}}}, User: &models.User{UserName: "submitter"}, State: "opened"},
					reviews: []*models.PullReview{
						{Body: "LGTM", User: &models.User{UserName: "m2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "super2"}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: common.Bot_BuildReview}, State: common.ReviewStateApproved},
						{Body: "LGTM", User: &models.User{UserName: "bot"}, State: common.ReviewStateRequestChanges},
					},
				},
			},
			resLen:        1,
			prjGitPRIndex: 0,
			consistentSet: true,
			reviewed:      true,
			reviewSetFetcher: func(mock *mock_common.MockGiteaPRTimelineReviewFetcher) (*common.PRSet, error) {
				config := common.AutogitConfig{
					Reviewers:      []string{"+super1", "*super2", "m1", "-m2", "~*bot"},
					Branch:         "branch",
					Organization:   "foo",
					GitProjectName: "barPrj",
				}
				return common.FetchPRSet("test", mock, "foo", "barPrj", 42, &config)
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			ctl := gomock.NewController(t)
			pr_mock := mock_common.NewMockGiteaPRTimelineReviewFetcher(ctl)
			review_mock := mock_common.NewMockGiteaPRChecker(ctl)
			//				reviewer_mock := mock_common.NewMockGiteaReviewRequester(ctl)

			if test.reviewSetFetcher == nil { // if we are fetching the prjgit directly, the these mocks are not called
				if test.prjGitPRIndex >= 0 {
					pr_mock.EXPECT().GetPullRequest(baseConfig.Organization, baseConfig.GitProjectName, test.prjGitPRIndex).
						Return(test.data[test.prjGitPRIndex].pr, test.data[test.prjGitPRIndex].pr_err)
				} else if test.prjGitPRIndex < 0 {
					// no prjgit PR
					pr_mock.EXPECT().GetPullRequest(baseConfig.Organization, baseConfig.GitProjectName, gomock.Any()).
						Return(nil, nil)
				}
			}

			var test_err error
			for _, data := range test.data {
				pr_mock.EXPECT().GetPullRequest(data.pr.Base.Repo.Owner.UserName, data.pr.Base.Repo.Name, data.pr.Index).Return(data.pr, data.pr_err).AnyTimes()
				if data.pr_err != nil {
					test_err = data.pr_err
				}
				review_mock.EXPECT().GetPullRequestReviews(data.pr.Base.Repo.Owner.UserName, data.pr.Base.Repo.Name, data.pr.Index).Return(data.reviews, data.review_error).AnyTimes()
				if data.timeline == nil {
					data.timeline = reviewsToTimeline(data.reviews)
				}
				review_mock.EXPECT().GetTimeline(data.pr.Base.Repo.Owner.UserName, data.pr.Base.Repo.Name, data.pr.Index).Return(data.timeline, nil).AnyTimes()
			}

			var res *common.PRSet
			var err error

			if test.reviewSetFetcher != nil {
				res, err = test.reviewSetFetcher(pr_mock)
			} else {
				res, err = common.FetchPRSet("test", pr_mock, "test", "repo", 42, &baseConfig)
			}

			if err == nil {
				if test_err != nil {
					t.Fatal("Expected", test_err, "but got", err)
				}
			} else {
				if res != nil {
					t.Fatal("error but got ReviewSet?")
				}

				if test.api_error != "" {
					if err.Error() != test.api_error {
						t.Fatal("expected", test.api_error, "but got", err)
					}
				} else if test_err != err {
					t.Fatal("expected", test_err, "but got", err)
				}
				return
			}

			if test.resLen != len(res.PRs) {
				t.Error("expected result len", test.resLen, "but got", len(res.PRs))
			}

			PrjGitPR, err := res.GetPrjGitPR()
			if test.prjGitPRIndex < 0 {
				if err == nil {
					t.Error("expected error, but nothing")
				}
			}
			pr_found := false
			if test.prjGitPRIndex >= 0 {
				for i := range test.data {
					if PrjGitPR.PR == test.data[i].pr && i == test.prjGitPRIndex {
						t.Log("found at index", i)
						pr_found = true
					}
				}
				if !pr_found {
					t.Error("Cannot find expected PrjGit location in PR set", PrjGitPR)
				}
			} else {
				if PrjGitPR != nil {
					t.Log("Expected prjgit not found, but found?", PrjGitPR)
				}
			}

			if isConsistent := res.IsConsistent(); isConsistent != test.consistentSet {
				t.Error("IsConsistent() returned unexpected:", isConsistent)
			}
			/*
				if err := res.AssignReviewers(reviewer_mock); err != nil {
					t.Error("expected no errors assigning reviewers:", err)
				}
			*/

			maintainers := mock_common.NewMockMaintainershipData(ctl)
			maintainers.EXPECT().ListPackageMaintainers(gomock.Any(), gomock.Any()).Return([]string{}).AnyTimes()
			maintainers.EXPECT().ListProjectMaintainers(gomock.Any()).Return([]string{}).AnyTimes()
			maintainers.EXPECT().IsApproved(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Return(true).AnyTimes()

			if isApproved := res.IsApproved(review_mock, maintainers); isApproved != test.reviewed {
				t.Error("expected reviewed to be NOT", isApproved)
			}
		})
	}
}

func TestFindMissingAndExtraReviewers(t *testing.T) {
	tests := []struct {
		name      string
		reviewers []struct {
			org, repo string
			num       int64
			reviewer  string
		}

		prset       *common.PRSet
		maintainers common.MaintainershipData

		noAutoStaging bool

		expected_missing_reviewers [][]string
		expected_extra_reviewers   [][]string
	}{
		{
			name: "No reviewers",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{},
				},
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{}},
		},
		{
			name: "One project reviewer only",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1"},
				},
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{}},

			expected_missing_reviewers: [][]string{
				[]string{},
				[]string{"autogits_obs_staging_bot", "user1"},
			},
		},
		{
			name:          "One project reviewer only and no auto staging",
			noAutoStaging: true,
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1"},
				},
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{}},

			expected_missing_reviewers: [][]string{
				nil,
				{"user1"},
			},
		},
		{
			name: "One project reviewer and one pkg reviewer only",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "user2"},
				},
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{}},

			expected_missing_reviewers: [][]string{
				[]string{"user2"},
				[]string{"autogits_obs_staging_bot", "user1"},
			},
		},
		{
			name: "No need to get reviews of submitter reviewer",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{
							Reviews:            []*models.PullReview{{State: common.ReviewStateRequestReview, User: &models.User{UserName: "m1"}}},
							RequestedReviewers: []string{"m1"},
							FullTimeline: []*models.TimelineComment{
								{User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "m1"}, Type: common.TimelineCommentType_ReviewRequested},
							},
						},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"m1", "submitter"}}},

			expected_missing_reviewers: [][]string{
				nil,
				{"autogits_obs_staging_bot", "user1"},
			},
			expected_extra_reviewers: [][]string{
				{"m1"},
			},
		},
		{
			name: "No need to get reviews of submitter maintainer",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "foo"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter"},
				},
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"submitter"}}},

			expected_missing_reviewers: [][]string{
				[]string{},
				[]string{"autogits_obs_staging_bot", "user1"},
			},
		},

		{
			name: "Add reviewer if also maintainer where review by maintainer is not needed",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "bot"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter", "*reviewer"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"submitter", "reviewer"}, "": []string{"reviewer"}}},

			expected_missing_reviewers: [][]string{
				[]string{"reviewer"},
				[]string{"autogits_obs_staging_bot", "reviewer", "user1"},
			},
		},

		{
			name: "Dont remove reviewer if also maintainer",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{
							Reviews:            []*models.PullReview{{State: common.ReviewStateRequestReview, User: &models.User{UserName: "reviewer"}}},
							RequestedReviewers: []string{"reviewer"},
							FullTimeline:       []*models.TimelineComment{{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "reviewer"}}},
						},
					},
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "bot"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{
							Reviews:            []*models.PullReview{{State: common.ReviewStateRequestReview, User: &models.User{UserName: "reviewer"}}},
							RequestedReviewers: []string{"reviewer"},
							FullTimeline:       []*models.TimelineComment{{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "reviewer"}}},
						},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter", "*reviewer"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"submitter", "reviewer"}, "": []string{"reviewer"}}},

			expected_missing_reviewers: [][]string{
				[]string{},
				[]string{"autogits_obs_staging_bot", "user1"},
			},
		},

		{
			name: "Extra project reviewer on the package",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateApproved, User: &models.User{UserName: "user2"}},
								{State: common.ReviewStateApproved, User: &models.User{UserName: "pkgmaintainer"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prjmaintainer"}},
							},
							RequestedReviewers: []string{"user2", "pkgmaintainer", "prjmaintainer"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "user2"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgmaintainer"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prjmaintainer"}},
							},
						},
					},

					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "bot"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateRequestChanges, User: &models.User{UserName: "user1"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "autogits_obs_staging_bot"}},
							},
							RequestedReviewers: []string{"user1", "autogits_obs_staging_bot"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "user1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "autogits_obs_staging_bot"}},
							},
						},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"pkgmaintainer"}, "": {"prjmaintainer"}}},

			expected_missing_reviewers: [][]string{},
			expected_extra_reviewers:   [][]string{{"prjmaintainer"}},
		},
		{
			name: "Extra project reviewers on the package and project",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateApproved, User: &models.User{UserName: "user2"}},
								{State: common.ReviewStateApproved, User: &models.User{UserName: "pkgmaintainer"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prjmaintainer"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "pkgm1"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "pkgm2"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prj1"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prj2"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "someother"}},
							},
							RequestedReviewers: []string{"user2", "pkgmaintainer", "prjmaintainer", "pkgm1", "pkgm2", "someother", "prj1", "prj2"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgmaintainer"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prjmaintainer"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj2"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgm1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgm2"}},
							},
						},
					},

					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "bot"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prg"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateRequestChanges, User: &models.User{UserName: "user1"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "autogits_obs_staging_bot"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prj1"}},
								{State: common.ReviewStatePending, User: &models.User{UserName: "prj2"}},
							},
							RequestedReviewers: []string{"user1", "autogits_obs_staging_bot", "prj1", "prj2"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "autogits_obs_staging_bot"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj2"}},
							},
						},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prg/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"pkgmaintainer", "pkgm1", "pkgm2"}, "": {"prjmaintainer", "prj1", "prj2"}}},

			expected_missing_reviewers: [][]string{},
			expected_extra_reviewers:   [][]string{{"pkgm1", "pkgm2", "prj1", "prj2", "prjmaintainer"}, {"prj1", "prj2"}},
		},
		{
			name: "No extra project reviewers on the package and project (all pending)",
			prset: &common.PRSet{
				PRs: []*common.PRInfo{
					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "submitter"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "pkg", Owner: &models.User{UserName: "org"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateApproved, User: &models.User{UserName: "user2"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "pkgmaintainer"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "prjmaintainer"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "pkgm1"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "prj1"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "someother"}},
							},
							RequestedReviewers: []string{"user2", "pkgmaintainer", "prjmaintainer", "pkgm1", "someother", "prj1"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgm1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "pkgmaintainer"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prjmaintainer"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "!bot"}, Assignee: &models.User{UserName: "someother"}},
							},
						},
					},

					{
						PR: &models.PullRequest{
							User: &models.User{UserName: "bot"},
							Base: &models.PRBranchInfo{Name: "main", Repo: &models.Repository{Name: "repo", Owner: &models.User{UserName: "prj"}}},
						},
						Reviews: &common.PRReviews{
							Reviews: []*models.PullReview{
								{State: common.ReviewStateRequestChanges, User: &models.User{UserName: "user1"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "autogits_obs_staging_bot"}},
								{State: common.ReviewStateRequestReview, User: &models.User{UserName: "prj1"}},
							},
							RequestedReviewers: []string{"user1", "autogits_obs_staging_bot", "prj1"},
							FullTimeline: []*models.TimelineComment{
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "autogits_obs_staging_bot"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "bot"}, Assignee: &models.User{UserName: "prj1"}},
								{Type: common.TimelineCommentType_ReviewRequested, User: &models.User{UserName: "!bot"}, Assignee: &models.User{UserName: "user1"}},
							},
						},
					},
				},
				Config: &common.AutogitConfig{
					GitProjectName: "prj/repo#main",
					Organization:   "org",
					Branch:         "main",
					Reviewers:      []string{"-user1", "submitter"},
				},
				BotUser: "bot",
			},
			maintainers: &common.MaintainershipMap{Data: map[string][]string{"pkg": []string{"pkgmaintainer", "pkgm1", "pkgm2"}, "": {"prjmaintainer", "prj1", "prj2"}}},

			expected_missing_reviewers: [][]string{{"pkgm2", "prj2"}},
			expected_extra_reviewers:   [][]string{{}, {"prj1"}},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			test.prset.HasAutoStaging = !test.noAutoStaging
			for idx, pr := range test.prset.PRs {
				missing, extra := test.prset.FindMissingAndExtraReviewers(test.maintainers, idx)

				// avoid nil dereference below, by adding empty array elements
				if idx >= len(test.expected_missing_reviewers) {
					test.expected_missing_reviewers = append(test.expected_missing_reviewers, nil)
				}
				if idx >= len(test.expected_extra_reviewers) {
					test.expected_extra_reviewers = append(test.expected_extra_reviewers, nil)
				}

				slices.Sort(test.expected_extra_reviewers[idx])
				slices.Sort(test.expected_missing_reviewers[idx])
				if slices.Compare(missing, test.expected_missing_reviewers[idx]) != 0 {
					t.Error("Expected missing reviewers for", common.PRtoString(pr.PR), ":", test.expected_missing_reviewers[idx], "but have:", missing)
				}

				if slices.Compare(extra, test.expected_extra_reviewers[idx]) != 0 {
					t.Error("Expected reviewers to remove for", common.PRtoString(pr.PR), ":", test.expected_extra_reviewers[idx], "but have:", extra)
				}
			}
		})
	}
}

func TestPRMerge(t *testing.T) {
	t.Skip("FAIL: No PrjGit PR found, missing calls")
	repoDir := t.TempDir()

	cwd, _ := os.Getwd()
	cmd := exec.Command(path.Join(cwd, "test_repo_setup.sh"))
	cmd.Dir = repoDir
	if out, err := cmd.CombinedOutput(); err != nil {
		t.Fatal(string(out))
	}

	common.ExtraGitParams = []string{
		"GIT_CONFIG_COUNT=1",
		"GIT_CONFIG_KEY_0=protocol.file.allow",
		"GIT_CONFIG_VALUE_0=always",

		"GIT_AUTHOR_NAME=testname",
		"GIT_AUTHOR_EMAIL=test@suse.com",
		"GIT_AUTHOR_DATE='2005-04-07T22:13:13'",
		"GIT_COMMITTER_NAME=testname",
		"GIT_COMMITTER_EMAIL=test@suse.com",
		"GIT_COMMITTER_DATE='2005-04-07T22:13:13'",
	}

	config := &common.AutogitConfig{
		Organization:   "org",
		GitProjectName: "org/prj#master",
	}

	tests := []struct {
		name       string
		pr         *models.PullRequest
		mergeError string
	}{
		{
			name: "Merge base not merged in main",

			pr: &models.PullRequest{
				Base: &models.PRBranchInfo{
					Sha: "e8b0de43d757c96a9d2c7101f4bff404e322f53a1fa4041fb85d646110c38ad4", // "base_add_b1"
					Repo: &models.Repository{
						Name: "prj",
						Owner: &models.User{
							UserName: "org",
						},
						SSHURL: "file://" + path.Join(repoDir, "prjgit"),
					},
				},
				Head: &models.PRBranchInfo{
					Sha: "88584433de1c917c1d773f62b82381848d882491940b5e9b427a540aa9057d9a", // "base_add_b2"
				},
			},
			mergeError: "Aborting merge",
		},
		{
			name: "Merge conflict in modules, auto-resolved",

			pr: &models.PullRequest{
				Base: &models.PRBranchInfo{
					Sha: "4fbd1026b2d7462ebe9229a49100c11f1ad6555520a21ba515122d8bc41328a8",
					Repo: &models.Repository{
						Name: "prj",
						Owner: &models.User{
							UserName: "org",
						},
						SSHURL: "file://" + path.Join(cmd.Dir, "prjgit"),
					},
				},
				Head: &models.PRBranchInfo{
					Sha: "88584433de1c917c1d773f62b82381848d882491940b5e9b427a540aa9057d9a", // "base_add_b2"
				},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			ctl := gomock.NewController(t)
			mock := mock_common.NewMockGiteaPRTimelineReviewFetcher(ctl)
			reviewUnrequestMock := mock_common.NewMockGiteaReviewUnrequester(ctl)

			reviewUnrequestMock.EXPECT().UnrequestReview(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).Return(nil)

			testDir := t.TempDir()
			t.Log("dir:", testDir)
			mock.EXPECT().GetPullRequest("org", "prj", int64(1)).Return(test.pr, nil)

			set, err := common.FetchPRSet("test", mock, "org", "prj", 1, config)
			if err != nil {
				t.Fatal(err)
			}

			gh, _ := common.AllocateGitWorkTree(testDir, "", "")
			git, err := gh.CreateGitHandler("org")
			err = set.Merge(reviewUnrequestMock, git)

			if err != nil && (test.mergeError == "" || (len(test.mergeError) > 0 && !strings.Contains(err.Error(), test.mergeError))) {
				os.CopyFS("/tmp/upstream", os.DirFS(repoDir))
				os.CopyFS("/tmp/out", os.DirFS(testDir))
				t.Fatal(err)
			}
		})
	}
}

func TestPRChanges(t *testing.T) {
	t.Skip("FAIL: unexpected calls, missing calls")
	tests := []struct {
		name   string
		PRs    []*models.PullRequest
		PrjPRs *models.PullRequest
	}{
		{
			name: "Pkg PR is closed",
			PRs: []*models.PullRequest{
				{
					Base:  &models.PRBranchInfo{Repo: &models.Repository{Owner: &models.User{UserName: "org"}, Name: "repo"}},
					Index: 42,
					State: "merged",
				},
			},
			PrjPRs: &models.PullRequest{
				Title: "some PR",
				Base:  &models.PRBranchInfo{Repo: &models.Repository{Name: "prjgit", Owner: &models.User{UserName: "org"}}},
				Body:  "PR: org/repo#42",
				State: "opened",
			},
		},
	}
	config := common.AutogitConfig{
		Branch:         "main",
		GitProjectName: "org/prjgit#branch",
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			ctl := gomock.NewController(t)
			mock_fetcher := mock_common.NewMockGiteaPRTimelineReviewFetcher(ctl)
			mock_fetcher.EXPECT().GetPullRequest("org", "prjgit", int64(42)).Return(test.PrjPRs, nil)
			for _, pr := range test.PRs {
				mock_fetcher.EXPECT().GetPullRequest(pr.Base.Repo.Owner.UserName, pr.Base.Repo.Name, pr.Index).Return(pr, nil)
			}

			PRs, err := common.FetchPRSet("user", mock_fetcher, "org", "repo", 42, &config)
			if err != nil {
				t.Fatal(err)
			}

			if PRs.IsConsistent() {
				t.Fatal("Inconsistent set!")
			}

		})
	}
}