name: release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Next release version (x.y.z)"
        required: true
        type: string

permissions:
  contents: write

concurrency:
  group: release-${{ inputs.version }}
  cancel-in-progress: false

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout main
        uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 0

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Validate release version
        env:
          RELEASE_VERSION: ${{ inputs.version }}
        run: |
          if ! [[ "$RELEASE_VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Version must be in x.y.z form, got '$RELEASE_VERSION'" >&2
            exit 1
          fi

          CURRENT_VERSION="$(node -p "require('./orchestrator/package.json').version")"
          if [ "$CURRENT_VERSION" = "$RELEASE_VERSION" ]; then
            echo "Version $RELEASE_VERSION is already set in orchestrator/package.json" >&2
            exit 1
          fi

          if git rev-parse "v$RELEASE_VERSION" >/dev/null 2>&1; then
            echo "Tag v$RELEASE_VERSION already exists locally" >&2
            exit 1
          fi

          if git ls-remote --tags origin "refs/tags/v$RELEASE_VERSION" | grep -q .; then
            echo "Tag v$RELEASE_VERSION already exists on origin" >&2
            exit 1
          fi

      - name: Bump orchestrator version files
        env:
          RELEASE_VERSION: ${{ inputs.version }}
        run: node ./scripts/set-orchestrator-version.mjs "$RELEASE_VERSION"

      - name: Commit and push version bump
        env:
          RELEASE_VERSION: ${{ inputs.version }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git add orchestrator/package.json package-lock.json
          git commit -m "chore: release $RELEASE_VERSION"
          git push origin HEAD:main

      - name: Create and push release tag
        env:
          RELEASE_VERSION: ${{ inputs.version }}
        run: |
          git tag "v$RELEASE_VERSION"
          git push origin "v$RELEASE_VERSION"

      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
          RELEASE_VERSION: ${{ inputs.version }}
        run: gh release create "v$RELEASE_VERSION" --title "v$RELEASE_VERSION" --generate-notes