name: Release

on:
  workflow_dispatch:
    inputs:
      version_bump:
        description: "Version bump type"
        type: choice
        options:
          - patch
          - minor
          - major
        default: patch
        required: true

jobs:
  bump:
    name: Bump version, tag, and create release
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      new_version: ${{ steps.compute.outputs.new_version }}
      tag: ${{ steps.tag.outputs.tag }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Compute new version
        id: compute
        shell: bash
        run: |
          set -euo pipefail
          BUMP="${{ inputs.version_bump }}"
          CURRENT_VERSION=$(jq -r '.version' "MCPForUnity/package.json")
          echo "Current version: $CURRENT_VERSION"

          IFS='.' read -r MA MI PA <<< "$CURRENT_VERSION"
          case "$BUMP" in
            major)
              ((MA+=1)); MI=0; PA=0
              ;;
            minor)
              ((MI+=1)); PA=0
              ;;
            patch)
              ((PA+=1))
              ;;
            *)
              echo "Unknown version_bump: $BUMP" >&2
              exit 1
              ;;
          esac

          NEW_VERSION="$MA.$MI.$PA"
          echo "New version: $NEW_VERSION"
          echo "new_version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
          echo "current_version=$CURRENT_VERSION" >> "$GITHUB_OUTPUT"

      - name: Compute tag
        id: tag
        env:
          NEW_VERSION: ${{ steps.compute.outputs.new_version }}
        shell: bash
        run: |
          set -euo pipefail
          echo "tag=v${NEW_VERSION}" >> "$GITHUB_OUTPUT"

      - name: Update files to new version
        env:
          NEW_VERSION: ${{ steps.compute.outputs.new_version }}
        shell: bash
        run: |
          set -euo pipefail

          echo "Updating MCPForUnity/package.json to $NEW_VERSION"
          jq ".version = \"${NEW_VERSION}\"" MCPForUnity/package.json > MCPForUnity/package.json.tmp
          mv MCPForUnity/package.json.tmp MCPForUnity/package.json

          echo "Updating Server/pyproject.toml to $NEW_VERSION"
          sed -i '0,/^version = ".*"/s//version = "'"$NEW_VERSION"'"/' "Server/pyproject.toml"

          echo "Updating Server/README.md version references to v$NEW_VERSION"
          sed -i 's|git+https://github.com/CoplayDev/unity-mcp@v[0-9]\+\.[0-9]\+\.[0-9]\+#subdirectory=Server|git+https://github.com/CoplayDev/unity-mcp@v'"$NEW_VERSION"'#subdirectory=Server|g' Server/README.md

      - name: Commit and push changes
        env:
          NEW_VERSION: ${{ steps.compute.outputs.new_version }}
        shell: bash
        run: |
          set -euo pipefail
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
          git add MCPForUnity/package.json "Server/pyproject.toml" Server/README.md
          if git diff --cached --quiet; then
            echo "No version changes to commit."
          else
            git commit -m "chore: bump version to ${NEW_VERSION}"
          fi

          BRANCH="${GITHUB_HEAD_REF:-${GITHUB_REF_NAME}}"
          echo "Pushing to branch: $BRANCH"
          git push origin "$BRANCH"

      - name: Create and push tag
        env:
          TAG: ${{ steps.tag.outputs.tag }}
        shell: bash
        run: |
          set -euo pipefail
          echo "Preparing to create tag $TAG"

          if git ls-remote --tags origin | grep -q "refs/tags/$TAG$"; then
            echo "Tag $TAG already exists on remote. Skipping tag creation."
            exit 0
          fi

          git tag -a "$TAG" -m "Version ${TAG#v}"
          git push origin "$TAG"

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.tag.outputs.tag }}
          name: ${{ steps.tag.outputs.tag }}
          generate_release_notes: true

  publish_docker:
    name: Publish Docker image
    needs:
      - bump
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@v6
        with:
          ref: ${{ needs.bump.outputs.tag }}
          fetch-depth: 0

      - name: Build and push Docker image
        uses: ./.github/actions/publish-docker
        with:
          docker_username: ${{ secrets.DOCKER_USERNAME }}
          docker_password: ${{ secrets.DOCKER_PASSWORD }}
          image: ${{ secrets.DOCKER_USERNAME }}/mcp-for-unity-server
          version: ${{ needs.bump.outputs.new_version }}
          include_branch_tags: "false"
          context: .
          dockerfile: Server/Dockerfile
          platforms: linux/amd64

  publish_pypi:
    name: Publish Python distribution to PyPI
    needs:
      - bump
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/mcpforunityserver
    permissions:
      contents: read
      id-token: write
    steps:
      - uses: actions/checkout@v6
        with:
          ref: ${{ needs.bump.outputs.tag }}
          fetch-depth: 0

      # Inlined from .github/actions/publish-pypi to avoid nested composite action issue
      # with pypa/gh-action-pypi-publish (see https://github.com/pypa/gh-action-pypi-publish/issues/338)
      - name: Install uv
        uses: astral-sh/setup-uv@v7
        with:
          version: "latest"
          enable-cache: true
          cache-dependency-glob: "Server/uv.lock"

      - name: Build a binary wheel and a source tarball
        shell: bash
        run: uv build
        working-directory: ./Server

      - name: Publish distribution to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: Server/dist/