name: CI

on:
  push:
  pull_request:
    # Only run on pull requests that change relevant files
    paths-ignore:
      - "**.md"
      - "docs/**"
      - ".gitignore"
      - "LICENSE.txt"

jobs:
  # Fast job to install dependencies and cache them for other jobs
  setup:
    runs-on: ubuntu-latest
    outputs:
      cache-key: ${{ steps.cache-key.outputs.key }}
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Generate cache key
        id: cache-key
        run: echo "key=node-modules-${{ hashFiles('**/pnpm-lock.yaml') }}" >> $GITHUB_OUTPUT
      - name: Use Node.js 20.x
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "pnpm"
      - name: Install Dependencies
        run: pnpm install --frozen-lockfile

  # Build job - Vite build for demo site
  build:
    runs-on: ubuntu-latest
    needs: setup
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Use Node.js 20.x
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "pnpm"
      - name: Install Dependencies
        run: pnpm install --frozen-lockfile
      - name: Build Vite Demo
        run: |
          # Set CI environment variable for optimized builds
          export CI=true
          pnpm --filter ani-cursor build
          pnpm --filter webamp build
        env:
          NODE_ENV: production
      - name: Cache build artifacts
        uses: actions/cache@v4
        with:
          path: |
            packages/*/built
            packages/*/dist
          key: build-artifacts-${{ github.sha }}

  # Build Library job - Rollup build for library bundles
  build-library:
    runs-on: ubuntu-latest
    needs: setup
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Use Node.js 20.x
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "pnpm"
      - name: Install Dependencies
        run: pnpm install --frozen-lockfile
      - name: Build Library Bundles
        run: |
          # Set CI environment variable for optimized builds
          export CI=true
          pnpm --filter ani-cursor build
          pnpm --filter webamp build-library
        env:
          NODE_ENV: production
      - name: Cache library artifacts
        uses: actions/cache@v4
        with:
          path: |
            packages/webamp/built/*.js
            packages/webamp/built/*.mjs
            packages/webamp/built/*.map
            packages/webamp/built/*.html
          key: library-artifacts-${{ github.sha }}

  # Lint job - runs in parallel
  lint:
    runs-on: ubuntu-latest
    needs: setup
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Use Node.js 20.x
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "pnpm"
      - name: Install Dependencies
        run: pnpm install --frozen-lockfile
      - name: Lint
        run: |
          pnpm lint
          pnpm --filter webamp type-check

  # Test job - runs in parallel
  test:
    runs-on: ubuntu-latest
    needs: setup
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Use Node.js 20.x
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: "pnpm"
      - name: Install Dependencies
        run: pnpm install --frozen-lockfile
      - name: Run Unit Tests
        run: |
          touch packages/skin-database/config.js
          # Run tests with optimizations for CI
          export CI=true
          pnpm test -- --maxWorkers=2
          pnpm --filter webamp test -- --maxWorkers=2
        env:
          NODE_ENV: test
      # - name: Run Integration Tests
      #   run: yarn workspace webamp integration-tests
      #   env:
      #     CI: true
      # - name: Upload Screenshot Diffs
      #   if: failure()
      #   uses: actions/upload-artifact@v4
      #   with:
      #     name: image_diffs
      #     path: packages/webamp/js/__tests__/__image_snapshots__/__diff_output__/
      # - name: Generate New Screenshots
      #   if: failure()
      #   run: |
      #     yarn workspace webamp integration-tests -u
      # - name: Upload New Screenshots
      #   if: failure()
      #   uses: actions/upload-artifact@v4
      #   with:
      #     name: new_images
      #     path: packages/webamp/js/__tests__/__image_snapshots__/
  main-release:
    name: Publish to NPM
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && github.repository == 'captbaritone/webamp'
    needs: [build, build-library, lint, test]
    steps:
      - uses: actions/checkout@v4
      - name: Install pnpm
        uses: pnpm/action-setup@v2
        with:
          version: 8
      - uses: actions/setup-node@v4
        with:
          node-version: 20.x
          registry-url: https://registry.npmjs.org/
          cache: "pnpm"
      - name: Install dependencies
        run: pnpm install --frozen-lockfile
      - name: Restore build artifacts
        uses: actions/cache@v4
        with:
          path: |
            packages/*/built
            packages/*/dist
          key: build-artifacts-${{ github.sha }}
          fail-on-cache-miss: true
      - name: Restore library artifacts
        uses: actions/cache@v4
        with:
          path: |
            packages/webamp/built/*.js
            packages/webamp/built/*.mjs
            packages/webamp/built/*.map
            packages/webamp/built/*.html
          key: library-artifacts-${{ github.sha }}
          fail-on-cache-miss: true
      - name: Set version
        if: github.ref == 'refs/heads/master'
        run: |
          echo "Setting version to 0.0.0-next-${RELEASE_COMMIT_SHA::7}"
          pnpm --filter webamp version --new-version 0.0.0-next-${RELEASE_COMMIT_SHA::7} --no-git-tag-version
        env:
          RELEASE_COMMIT_SHA: ${{ github.sha }}
      - name: Build release version
        if: github.ref_type == 'tag' && startsWith(github.ref_name, 'v')
        run: exit 1 # TODO: Script to update version number in webampLazy.tsx
      - name: Publish to npm
        working-directory: ./packages/webamp
        if: github.ref == 'refs/heads/master' || github.ref_type == 'tag' && startsWith(github.ref_name, 'v')
        # Use pre-built artifacts instead of rebuilding
        run: |
          npm publish ${TAG} --ignore-scripts
        env:
          TAG: ${{ github.ref == 'refs/heads/master' && '--tag=next' || ''}}
          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}