package common

/*
 * This file is part of Autogits.
 *
 * Copyright © 2024 SUSE LLC
 *
 * Autogits is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 2 of the License, or (at your option) any later
 * version.
 *
 * Autogits is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * Foobar. If not, see <https://www.gnu.org/licenses/>.
 */

import (
	"encoding/json"
	"fmt"
	"log"
	"os"
)

type RequestType interface {
	GetAction() string
}

type Request struct {
	Type string
	Data RequestType
}

func ParseRequestJSON(reqType string, data []byte) (req *Request, err error) {
	req = &Request{
		Type: reqType,
	}

	switch reqType {
	case RequestType_CreateBrachTag, RequestType_DeleteBranchTag:
		req.Data = &CreateWebhookEvent{}
	case RequestType_Fork:
		req.Data = &ForkWebhookEvent{}
	case RequestType_Push:
		req.Data = &PushWebhookEvent{}
	case RequestType_Repository:
		req.Data = &RepositoryWebhookEvent{}
	case RequestType_Release:
		req.Data = &ReleaseWebhookEvent{}
	case RequestType_Issue:
		req.Data = &IssueWebhookEvent{}
	case RequestType_IssueAssign:
		req.Data = &IssueWebhookEvent{}
	case RequestType_IssueComment, RequestType_PRComment:
		req.Data = &IssueCommentWebhookEvent{}
	case RequestType_IssueLabel:
		req.Data = &IssueWebhookEvent{}
	case RequestType_IssueMilestone:
		req.Data = &IssueWebhookEvent{}
	case RequestType_PR:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRLabel:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRMilestone:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRAssign:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRReviewRequest:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRReviewAccepted, RequestType_PRReviewRejected, RequestType_PRReviewComment:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_PRSync:
		req.Data = &PullRequestWebhookEvent{}
	case RequestType_Wiki:
		req.Data = &WikiWebhookEvent{}
	default:
		return nil, fmt.Errorf("Unknown webhook request type: %s", reqType)
	}

	if err := json.Unmarshal(data, req.Data); err != nil {
		return nil, err
	}
	return req, nil
}

type RequestHandler struct {
	StdLogger, ErrLogger *log.Logger
	Request              *Request
}

func (r *RequestHandler) WriteError() {
	r.ErrLogger.Println("internal error sent")
}

func CreateRequestHandler() (*RequestHandler, error) {
	var h *RequestHandler = new(RequestHandler)

	h.StdLogger, h.ErrLogger = CreateStdoutLogger(os.Stdout, os.Stderr)

	/*	var err error
		h.Git, err = CreateGitHandler(git_author, name)
		if err != nil {
			return nil, err
		}
	*/
	return h, nil
}