name: Create Version Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (SemVer format, e.g., 1.2.3 or 2.0.0-rc.1)'
        required: true
        type: string

permissions:
  contents: write

env:
  CURRENT_BRANCH_NAME: ${{ github.head_ref || github.ref_name }}

jobs:
  create-release-branch:
    name: Create Release Branch
    runs-on: ubuntu-latest
    environment: prod

    steps:
      - name: Checkout code
        uses: actions/checkout@v5
        with:
          token: ${{ secrets.PUBLISHER_TOKEN }}

      - name: Validate version format
        id: validate
        run: .github/scripts/validate_semver.sh "${{ github.event.inputs.version }}"

      - name: Check if input version
        run: |
          CURRENT_VERSION=$(grep -oP '(?<=__version__ = ")[^"]+' src/version.py)
          INPUT_VERSION="${{ github.event.inputs.version }}"
          if [ "$CURRENT_VERSION" = "$INPUT_VERSION" ]; then
            echo "Error: Input version '$INPUT_VERSION' is the same as the current version"
            exit 1
          fi

      - name: Check if branch exists
        run: |
          BRANCH_NAME="release/${{ steps.validate.outputs.version }}"

          if git ls-remote --heads origin "$BRANCH_NAME" | grep -q "$BRANCH_NAME"; then
            echo "Error: Branch '$BRANCH_NAME' already exists"
            exit 1
          fi

          echo "Branch '$BRANCH_NAME' does not exist, proceeding..."

      - name: Create release branch and update version
        run: |

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          VERSION="${{ steps.validate.outputs.version }}"

          # Update version.py
          mv -f src/version.py src/last_version.py
          echo "__version__ = \"$VERSION\"" > src/version.py

          # Commit changes
          git add src/version.py
          git commit -m "chore: bump version to $VERSION"
          git push origin $CURRENT_BRANCH_NAME

          BRANCH_NAME="release/${{ steps.validate.outputs.version }}"

          # Create and checkout new branch
          git checkout -b "$BRANCH_NAME"

          # Push branch (this will trigger the publish workflow)
          git push origin "$BRANCH_NAME"

          # Create tag
          git tag "v$VERSION"
          git push origin "v$VERSION"

          echo "✅ Updated version to $VERSION"
          echo "✅ Created branch '$BRANCH_NAME'"
          echo "✅ Created and pushed tag v$VERSION"
          echo "✅ The publish workflow will now build Docker images and create the GitHub release"