name: Build Binaries

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to build (e.g., v0.12.0)'
        required: true
        type: string

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      RELEASE_TAG: ${{ github.event.inputs.tag || github.ref_name }}
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ env.RELEASE_TAG }}

      - name: Setup Bun
        uses: oven-sh/setup-bun@4bc047ad259df6fc24a6c9b0f9a0cb08cf17fbe5 # v2.0.1
        with:
          bun-version: 1.3.4

      - name: Setup Node.js
        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: '22'
          registry-url: 'https://registry.npmjs.org'

      - name: Install dependencies
        run: npm ci

      - name: Build all packages
        run: npm run build

      - name: Build binaries for all platforms
        run: |
          cd packages/coding-agent

          # Create output directories for each platform
          mkdir -p binaries/{darwin-arm64,darwin-x64,linux-x64,linux-arm64,windows-x64}

          # Build for each platform - binary is always named 'pi' (or 'pi.exe' for Windows)
          echo "Building for darwin-arm64..."
          bun build --compile --target=bun-darwin-arm64 ./dist/cli.js --outfile binaries/darwin-arm64/pi
          
          echo "Building for darwin-x64..."
          bun build --compile --target=bun-darwin-x64 ./dist/cli.js --outfile binaries/darwin-x64/pi
          
          echo "Building for linux-x64..."
          bun build --compile --target=bun-linux-x64 ./dist/cli.js --outfile binaries/linux-x64/pi
          
          echo "Building for linux-arm64..."
          bun build --compile --target=bun-linux-arm64 ./dist/cli.js --outfile binaries/linux-arm64/pi
          
          echo "Building for windows-x64..."
          bun build --compile --target=bun-windows-x64 ./dist/cli.js --outfile binaries/windows-x64/pi.exe

      - name: Create release archives
        run: |
          cd packages/coding-agent

          # Copy shared files to each platform directory
          for platform in darwin-arm64 darwin-x64 linux-x64 linux-arm64 windows-x64; do
            cp package.json binaries/$platform/
            cp README.md binaries/$platform/
            cp CHANGELOG.md binaries/$platform/
            mkdir -p binaries/$platform/theme
            cp dist/modes/interactive/theme/*.json binaries/$platform/theme/
            cp -r examples binaries/$platform/
          done

          # Create archives
          cd binaries

          # Unix platforms (tar.gz)
          for platform in darwin-arm64 darwin-x64 linux-x64 linux-arm64; do
            tar -czf pi-$platform.tar.gz -C $platform .
          done
          
          # Windows (zip)
          cd windows-x64 && zip -r ../pi-windows-x64.zip . && cd ..

      - name: Extract changelog for this version
        id: changelog
        run: |
          VERSION="${RELEASE_TAG}"
          VERSION="${VERSION#v}"  # Remove 'v' prefix
          
          # Extract changelog section for this version
          cd packages/coding-agent
          awk "/^## \[${VERSION}\]/{flag=1; next} /^## \[/{flag=0} flag" CHANGELOG.md > /tmp/release-notes.md
          
          # If empty, use a default message
          if [ ! -s /tmp/release-notes.md ]; then
            echo "Release ${VERSION}" > /tmp/release-notes.md
          fi

      - name: Create GitHub Release and upload binaries
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          cd packages/coding-agent/binaries
          
          # Create release with changelog notes (or update if exists)
          gh release create "${RELEASE_TAG}" \
            --title "${RELEASE_TAG}" \
            --notes-file /tmp/release-notes.md \
            pi-darwin-arm64.tar.gz \
            pi-darwin-x64.tar.gz \
            pi-linux-x64.tar.gz \
            pi-linux-arm64.tar.gz \
            pi-windows-x64.zip \
            2>/dev/null || \
          gh release upload "${RELEASE_TAG}" \
            pi-darwin-arm64.tar.gz \
            pi-darwin-x64.tar.gz \
            pi-linux-x64.tar.gz \
            pi-linux-arm64.tar.gz \
            pi-windows-x64.zip \
            --clobber