name: PR Checker

on:
  pull_request_target:
    types: [opened, edited, ready_for_review, reopened, synchronize]

jobs:
  check_commit_name_in_pr:
    if: ${{ !github.event.pull_request.merged && github.base_ref != 'master' }}
    runs-on: ubuntu-latest
    steps:
      - name: Cleanup Previous Comment
        uses: actions/github-script@v7
        with:
          script: |
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.payload.pull_request.number
            });

            const previousComment = comments.find(comment => comment.user.login === 'github-actions[bot]' && comment.body.includes('invalid commit(s)'));
            if (previousComment) {
              await github.rest.issues.deleteComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: previousComment.id
              });
            }
      - name: Check Commits
        uses: actions/github-script@v7
        with:
          script: |
            const { data: commits } = await github.rest.pulls.listCommits({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.payload.pull_request.number,
              per_page: 100
            });

            const regex = /^((build|chore|ci|docs?|feat!?|fix|perf|refactor|rft|style|test|i18n|typo|debug)[\:\.\(\,]|[Rr]evert|[Rr]elease|[Rr]eapply)/;
            const invalidCommits = commits.filter(commit => !regex.test(commit.commit.message) || commit.parents.length > 1);

            console.log(`Checked ${commits.length} commit(s)`);

            if (invalidCommits.length > 0) {
              const invalidCommitNames = invalidCommits.map(commit => commit.commit.message);
              const invalidCommitInfoList = invalidCommits.map(commit => `- ${commit.commit.message.split("\n")[0]} [\`${commit.sha.substring(0, 7)}\`](${commit.html_url})`).join("\n");

              github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.pull_request.number,
                body: `## ⚠️ Found ${invalidCommits.length} invalid commit(s):\n\n${invalidCommitInfoList}\n\n---\nPlease follow the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) format, and **DO NOT** use merge commits.\n请遵循 [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/) 格式，以及**不要**使用Merge Commit（修改 Commit Message 无法绕过检测）。`
              });

              core.setFailed(`Found ${invalidCommits.length} invalid commit(s):\n${invalidCommitNames.join("\n-------------------\n")}`);
            }