name: Update Version

on:
  push:
    paths:
      - .github/workflows/update_version_pr.yml
      - zhenxun/**
      - resources/**
      - bot.py
    branches:
      - main
      - dev

jobs:
  update-version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GH_TOKEN }}

      - name: Read current version
        id: read_version
        run: |
          version_line=$(grep '__version__' __version__)
          version=$(echo $version_line | sed -E 's/__version__:\s*v([0-9]+\.[0-9]+\.[0-9]+)(-.+)?/\1/')
          echo "Current version: $version"
          echo "current_version=$version" >> $GITHUB_OUTPUT

      - name: Check for version file changes
        id: check_diff
        run: |
          if git diff --name-only HEAD~1 HEAD | grep -q '__version__'; then
            echo "Version file has changes"
            echo "version_changed=true" >> $GITHUB_OUTPUT
          else
            echo "Version file has no changes"
            echo "version_changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Get commit hash
        id: get_commit_hash
        run: echo "commit_hash=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - name: Update version file
        id: update_version
        if: steps.check_diff.outputs.version_changed == 'false'
        run: |
          current_version="${{ steps.read_version.outputs.current_version }}"
          commit_hash="${{ steps.get_commit_hash.outputs.commit_hash }}"
          new_version="v${current_version}-${commit_hash}"
          echo "new_version=$new_version" >> $GITHUB_OUTPUT
          echo "Updating version to: $new_version"
          echo "__version__: $new_version" > __version__

      - name: Check updated version
        if: steps.check_diff.outputs.version_changed == 'false'
        run: cat __version__

      - name: Create or update PR
        if: steps.check_diff.outputs.version_changed == 'false'
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GH_TOKEN }}
          branch: create-pr/update_version
          title: ":tada: chore(version): 自动更新版本到 ${{ steps.update_version.outputs.new_version }}"
          body: "This PR updates the version file."
          commit-message: ":tada: chore(version): Update version to ${{ steps.update_version.outputs.new_version }}"
          add-paths: __version__
          author: "AkashiCoin <i@loli.vet>"
          committer: "${{ github.actor }} <${{ github.actor_id }}+${{ github.actor }}@users.noreply.github.com>"
          labels: automated-update