name: macOS PGO Builds

permissions:
  contents: read

on:
  workflow_call:
    inputs:
      build-version:
        description: "The version to build"
        required: true
        type: string
      release-branch:
        description: "The branch to build"
        required: true
        type: string

jobs:
  macos-profile-build:
    name: |
      macOS Profile Build - ${{ matrix.arch }}
    strategy:
      fail-fast: false
      matrix:
        arch: [x86_64, aarch64]

    runs-on: ${{ matrix.arch == 'x86_64' && 'macos-15-intel' || 'macos-26' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version-file: ".nvmrc"

      - name: Setup Python
        uses: actions/setup-python@v5

      - name: Setup Git
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

      - name: Setup Rust
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain $(cat .rust-toolchain)

      - name: Install dependencies
        run: npm ci

      - name: Load Surfer CI setup
        run: npm run surfer -- ci --brand ${{ inputs.release-branch }} --display-version ${{ inputs.build-version }}

      - name: Download instrumented app
        uses: actions/download-artifact@v4
        with:
          path: ~/instrumented
          name: macos-pgo-stage1-${{ matrix.arch }}

      - name: Download Firefox and dependencies
        run: npm run download

      - name: Import patches
        env:
          SURFER_NO_BRANDING_PATCH: true
        run: |
          . "$HOME/.cargo/env"
          npm run import

      - name: Bootstrap
        run: |
          cd engine
          export SURFER_PLATFORM="darwin"
          ./mach --no-interactive bootstrap --application-choice browser --exclude macos-sdk || true

      - name: Extract instrumented app
        run: |
          set -ex
          cd engine
          ./mach python -m mozbuild.action.unpack_dmg \
            "$HOME/instrumented/zen-macos-pgo-stage1-${{ matrix.arch }}.dmg" \
            "$HOME/instrumented/app"
          APP=$(find "$HOME/instrumented/app" -maxdepth 1 -name "*.app" -type d | head -1)
          codesign --force --deep --sign - "$APP" || true

      - name: Generate profile data
        run: |
          set -ex
          export LLVM_PROFDATA="$HOME/.mozbuild/clang/bin/llvm-profdata"
          export JARLOG_FILE=en-US.log
          BINARY=$(find "$HOME/instrumented" -type f -path "*/Contents/MacOS/zen" | head -1)
          test -n "$BINARY"
          cd engine
          ./mach python ../scripts/download_pgo_extended_corpus.py
          ./mach python build/pgo/profileserver.py --binary "$BINARY" --extended-corpus ./pgo-extended-corpus

      - name: Move profile data
        run: |
          mv engine/merged.profdata merged.profdata
          mv engine/en-US.log en-US.log

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          retention-days: 1
          path: |
            merged.profdata
            en-US.log
          name: macos-profdata-${{ matrix.arch }}