name: Plugin Release

on:
  push:
    branches:
      - master
    paths:
      - '.claude-plugin/marketplace.json'
      - 'webnovel-writer/.claude-plugin/plugin.json'
      - 'README.md'
      - 'CHANGELOG.md'
      - 'releases/**'
      - 'webnovel-writer/scripts/sync_plugin_version.py'
      - 'webnovel-writer/scripts/validate_release_notes.py'
      - 'webnovel-writer/scripts/validate_plugin_package.py'
      - '.github/workflows/plugin-release.yml'
  workflow_dispatch:
    inputs:
      version:
        description: 'Plugin version to release, for example 6.2.0. Leave empty to read plugin.json.'
        required: false
        type: string

permissions:
  contents: write

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

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Resolve release version
        id: release_version
        env:
          INPUT_VERSION: ${{ github.event.inputs.version || '' }}
        run: |
          if [ -n "$INPUT_VERSION" ]; then
            version="$INPUT_VERSION"
          else
            version="$(python -c 'import json; from pathlib import Path; print(json.loads(Path("webnovel-writer/.claude-plugin/plugin.json").read_text(encoding="utf-8"))["version"])')"
          fi
          echo "version=$version" >> "$GITHUB_OUTPUT"
          echo "Release version: $version"

      - name: Validate release metadata
        env:
          RELEASE_VERSION: ${{ steps.release_version.outputs.version }}
        run: |
          python webnovel-writer/scripts/sync_plugin_version.py \
            --check \
            --expected-version "$RELEASE_VERSION"

      - name: Validate release notes
        env:
          RELEASE_VERSION: ${{ steps.release_version.outputs.version }}
        run: |
          python webnovel-writer/scripts/validate_release_notes.py \
            --version "$RELEASE_VERSION"

      - name: Validate plugin package
        run: python webnovel-writer/scripts/validate_plugin_package.py

      - name: Check release tag
        id: release_tag
        env:
          RELEASE_VERSION: ${{ steps.release_version.outputs.version }}
        run: |
          if git ls-remote --exit-code --tags origin "v$RELEASE_VERSION" >/dev/null 2>&1; then
            echo "Tag v$RELEASE_VERSION already exists"
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Create and push tag
        if: steps.release_tag.outputs.exists != 'true'
        env:
          RELEASE_VERSION: ${{ steps.release_version.outputs.version }}
        run: |
          echo "Releasing commit $(git rev-parse HEAD) as v$RELEASE_VERSION"
          git tag "v$RELEASE_VERSION"
          git push origin "v$RELEASE_VERSION"

      - name: Check GitHub Release
        id: github_release
        env:
          RELEASE_VERSION: ${{ steps.release_version.outputs.version }}
          GH_TOKEN: ${{ github.token }}
        run: |
          if gh release view "v$RELEASE_VERSION" >/dev/null 2>&1; then
            echo "Release v$RELEASE_VERSION already exists"
            echo "exists=true" >> "$GITHUB_OUTPUT"
          else
            echo "exists=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Create GitHub Release
        if: steps.github_release.outputs.exists != 'true'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ steps.release_version.outputs.version }}
          name: v${{ steps.release_version.outputs.version }}
          body_path: releases/v${{ steps.release_version.outputs.version }}.md