name: Release Check

on:
  # Allow manual trigger for testing
  workflow_dispatch:

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      last_release: ${{ steps.last-release.outputs.hash }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Find package directories
        id: set-matrix
        run: |
          # Find all package.json and pyproject.toml files, excluding root
          DIRS=$(git ls-tree -r HEAD --name-only | grep -E "package.json|pyproject.toml" | xargs dirname | grep -v "^.$" | jq -R -s -c 'split("\n")[:-1]')
          echo "matrix=${DIRS}" >> $GITHUB_OUTPUT
          echo "Found directories: ${DIRS}"

      - name: Get last release hash
        id: last-release
        run: |
          HASH=$(git rev-list --tags --max-count=1 || echo "HEAD~1")
          echo "hash=${HASH}" >> $GITHUB_OUTPUT
          echo "Using last release hash: ${HASH}"

  check-release:
    needs: prepare
    runs-on: ubuntu-latest
    strategy:
      matrix:
        directory: ${{ fromJson(needs.prepare.outputs.matrix) }}
      fail-fast: false

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: astral-sh/setup-uv@v5

      - name: Setup Node.js
        if: endsWith(matrix.directory, '/package.json')
        uses: actions/setup-node@v4
        with:
          node-version: '18'

      - name: Setup Python
        if: endsWith(matrix.directory, '/pyproject.toml')
        run: uv python install

      - name: Check release
        id: check
        run: |
          # Create unique hash for this directory
          dir_hash=$(echo "${{ matrix.directory }}" | sha256sum | awk '{print $1}')

          # Run release check script with verbose output
          echo "Running release check against last release: ${{ needs.prepare.outputs.last_release }}"

          # Run git diff first to show changes
          echo "Changes since last release:"
          git diff --name-only "${{ needs.prepare.outputs.last_release }}" -- "${{ matrix.directory }}" || true

          # Run the release check
          output=$(uv run --script scripts/release.py --dry-run "${{ matrix.directory }}" "${{ needs.prepare.outputs.last_release }}" 2>&1)
          exit_code=$?

          echo "Release check output (exit code: $exit_code):"
          echo "$output"

          # Extract package info if successful
          if [ $exit_code -eq 0 ]; then
            pkg_info=$(echo "$output" | grep -o -E "[a-zA-Z0-9\-]+@[0-9]+\.[0-9]+\.[0-9]+" || true)
          else
            echo "Release check failed"
            exit 1
          fi

          if [ ! -z "$pkg_info" ]; then
            echo "Found package that needs release: $pkg_info"

            # Create outputs directory
            mkdir -p ./outputs

            # Save both package info and full changes
            echo "$pkg_info" > "./outputs/${dir_hash}_info"
            echo "dir_hash=${dir_hash}" >> $GITHUB_OUTPUT

            # Log what we're saving
            echo "Saved package info to ./outputs/${dir_hash}_info:"
            cat "./outputs/${dir_hash}_info"
          else
            echo "No release needed for this package"
          fi

      - name: Set artifact name
        if: steps.check.outputs.dir_hash
        id: artifact
        run: |
          # Replace forward slashes with dashes
          SAFE_DIR=$(echo "${{ matrix.directory }}" | tr '/' '-')
          echo "name=release-outputs-${SAFE_DIR}" >> $GITHUB_OUTPUT

      - uses: actions/upload-artifact@v4
        if: steps.check.outputs.dir_hash
        with:
          name: ${{ steps.artifact.outputs.name }}
          path: ./outputs/${{ steps.check.outputs.dir_hash }}*

  check-tag:
    needs: [prepare, check-release]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          pattern: release-outputs-src-*
          merge-multiple: true
          path: outputs

      - name: Simulate tag creation
        run: |
          if [ -d outputs ]; then
            # Collect package info
            find outputs -name "*_info" -exec cat {} \; > packages.txt

            if [ -s packages.txt ]; then
              DATE=$(date +%Y.%m.%d)
              echo "🔍 Dry run: Would create tag v${DATE} if this was a real release"

              # Generate comprehensive release notes
              {
                echo "# Release ${DATE}"
                echo ""
                echo "## Updated Packages"
                while IFS= read -r line; do
                  echo "- $line"
                done < packages.txt
              } > notes.md

              echo "🔍 Would create release with following notes:"
              cat notes.md

              echo "🔍 Would create tag v${DATE} with the above release notes"
              echo "🔍 Would create GitHub release from tag v${DATE}"
            else
              echo "No packages need release"
            fi
          else
            echo "No release artifacts found"
          fi