import pytest
import re
import time
from pathlib import Path
from tests.lib.common_test_utils import (
    GiteaAPIClient,
)

# =============================================================================
#  TEST CASES
# =============================================================================

@pytest.mark.t001
@pytest.mark.xfail(reason="review pending label is not applied")
def test_001_project_pr_labels(label_env, staging_bot_client):
    """
    Test scenario:
    1. Setup custom workflow.config with Labels: { "StagingAuto": "staging/Backlog", "ReviewPending": "review/Pending" }.
    2. Create a package PR in 'label-test' branch.
    3. Make sure the workflow-pr service created related project PR in 'label-test' branch.
    4. Wait for the project PR to have the label "staging/Backlog".
    5. Post approval from autogits_obs_staging_bot.
    6. Check that the project PR gets the label "review/Pending".
    """
    gitea_env, test_full_repo_name, branch_name = label_env

    # 1. Create a package PR
    diff = """diff --git a/label_test_fixture.txt b/label_test_fixture.txt
new file mode 100644
index 0000000..e69de29
"""
    print(f"--- Creating package PR in mypool/pkgA on branch {branch_name} ---")
    package_pr = gitea_env.create_gitea_pr("mypool/pkgA", diff, "Test Labels Fixture", False, base_branch=branch_name)
    package_pr_number = package_pr["number"]
    print(f"Created package PR mypool/pkgA#{package_pr_number}")

    # 2. Make sure the workflow-pr service created related project PR
    project_pr_number = gitea_env.wait_for_project_pr("mypool/pkgA", package_pr_number)
    assert project_pr_number is not None, "Workflow bot did not create a project PR."
    print(f"Found project PR: myproducts/mySLFO#{project_pr_number}")

    # 3. Wait for the project PR to have the label "staging/Backlog"
    print(f"Checking for 'staging/Backlog' label on project PR myproducts/mySLFO#{project_pr_number}...")
    
    backlog_label_found = False
    expected_backlog_label = "staging/Backlog"
    
    for _ in range(20):
        project_pr_details = gitea_env.get_pr_details("myproducts/mySLFO", project_pr_number)
        labels = project_pr_details.get("labels", [])
        label_names = [l["name"] for l in labels]
        if expected_backlog_label in label_names:
            backlog_label_found = True
            break
        time.sleep(1)

    assert backlog_label_found, f"Project PR myproducts/mySLFO#{project_pr_number} does not have the expected label '{expected_backlog_label}'."
    print(f"Project PR myproducts/mySLFO#{project_pr_number} has the expected label '{expected_backlog_label}'.")

    # 4. Post approval from autogits_obs_staging_bot
    print(f"--- Posting approval from autogits_obs_staging_bot on project PR myproducts/mySLFO#{project_pr_number} ---")
    staging_bot_client.create_review("myproducts/mySLFO", project_pr_number, event="APPROVED", body="Staging OK")

    # 5. Check that the project PR has the label "review/Pending"
    print(f"Checking for 'review/Pending' label on project PR myproducts/mySLFO#{project_pr_number}...")
    
    pending_label_found = False
    expected_pending_label = "review/Pending"
    
    for _ in range(20):
        project_pr_details = gitea_env.get_pr_details("myproducts/mySLFO", project_pr_number)
        labels = project_pr_details.get("labels", [])
        label_names = [l["name"] for l in labels]
        print(f"Current labels: {label_names}")
        if expected_pending_label in label_names:
            pending_label_found = True
            break
        time.sleep(1)

    assert pending_label_found, f"Project PR myproducts/mySLFO#{project_pr_number} does not have the expected label '{expected_pending_label}'."
    print(f"Project PR myproducts/mySLFO#{project_pr_number} has the expected label '{expected_pending_label}'.")