name: Auto PR to main when version changes

on:
  push:
    branches:
      - canary

permissions:
  contents: write
  pull-requests: write

jobs:
  create-pr:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Get version from package.json
        run: echo "VERSION=$(jq -r .version ./apps/dokploy/package.json)" >> "$GITHUB_ENV"

      - name: Get latest GitHub tag
        run: |
          LATEST_TAG=$(git ls-remote --tags origin | awk -F'/' '{print $3}' | sort -V | tail -n1)
          echo "LATEST_TAG=$LATEST_TAG" >> "$GITHUB_ENV"
          echo "$LATEST_TAG"
      - name: Compare versions
        run: |
          if [ "$VERSION" != "$LATEST_TAG" ]; then
            VERSION_CHANGED="true"
          else
            VERSION_CHANGED="false"
          fi
          echo "VERSION_CHANGED=$VERSION_CHANGED" >> "$GITHUB_ENV"
          echo "Comparing versions:"
          echo "Current version: $VERSION"
          echo "Latest tag: $LATEST_TAG"
          echo "Version changed: $VERSION_CHANGED"
      - name: Check if a PR already exists
        run: |
          PR_EXISTS=$(gh pr list --state open --base main --head canary --json number --jq '. | length')
          echo "PR_EXISTS=$PR_EXISTS" >> "$GITHUB_ENV"
        env:
          GH_TOKEN: ${{ secrets.GH_PAT }}

      - name: Create Pull Request
        if: env.VERSION_CHANGED == 'true' && env.PR_EXISTS == '0'
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git fetch origin main
          git checkout canary
          git push origin canary

          gh pr create \
            --title "🚀 Release $VERSION" \
            --body "
            This PR promotes changes from \`canary\` to \`main\` for version $VERSION.

            ### 🔍 Changes Include:
            - Version bump to $VERSION
            - All changes from canary branch

            ### ✅ Pre-merge Checklist:
            - [ ] All tests passing
            - [ ] Documentation updated
            - [ ] Docker images built and tested

            > 🤖 This PR was automatically generated by [GitHub Actions](https://github.com/actions)" \
            --base main \
            --head canary \
            --label "release" --label "automated pr" || true \
            --reviewer siumauricio \
            --assignee siumauricio
        env:
          GH_TOKEN: ${{ github.token }}