name: Release

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:
    inputs:
      version:
        description: "Release version, for example 0.1.0"
        required: true
        default: "0.1.0"

permissions:
  contents: write

jobs:
  macos-arm64-dmg:
    name: Build macOS ARM64 DMG
    runs-on: macos-26

    steps:
      - name: Check out repository
        uses: actions/checkout@v6
        with:
          submodules: recursive

      - name: Resolve version
        id: version
        shell: bash
        run: |
          if [[ "${GITHUB_REF_TYPE}" == "tag" ]]; then
            VERSION="${GITHUB_REF_NAME#v}"
            TAG_NAME="${GITHUB_REF_NAME}"
          else
            VERSION="${{ inputs.version }}"
            TAG_NAME="v${VERSION}"
          fi

          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "tag_name=$TAG_NAME" >> "$GITHUB_OUTPUT"
          echo "Version: $VERSION"

      - name: Show build environment
        run: |
          uname -a
          swift --version
          xcodebuild -version
          xcode-select -p
          xcrun --sdk macosx --show-sdk-version

      - name: Verify macOS 26 SDK
        shell: bash
        run: |
          SDK_VERSION="$(xcrun --sdk macosx --show-sdk-version)"
          SDK_MAJOR="${SDK_VERSION%%.*}"

          if [[ "$SDK_MAJOR" != "26" ]]; then
            echo "Expected macOS 26 SDK, got macOS $SDK_VERSION" >&2
            exit 1
          fi

      - name: Install dependencies
        run: brew install aria2 dylibbundler

      - name: Fetch media engines
        run: |
          mkdir -p Sources/Firelink

          # Download the one-folder macOS build. The direct one-file binary is not code-signable.
          curl -fsSL https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp_macos.zip -o yt-dlp.zip
          mkdir -p yt-dlp-macos
          unzip -q -o yt-dlp.zip -d yt-dlp-macos
          mv yt-dlp-macos/yt-dlp_macos Sources/Firelink/yt-dlp
          cp -R yt-dlp-macos/_internal Sources/Firelink/_internal
          rm -rf yt-dlp.zip yt-dlp-macos
          chmod +x Sources/Firelink/yt-dlp

          # Download latest FFmpeg release build for macOS ARM64 from Martin Riedl's build server
          curl -fsSL "https://ffmpeg.martin-riedl.de/redirect/latest/macos/arm64/release/ffmpeg.zip" -o ffmpeg.zip
          unzip -q -o ffmpeg.zip -d Sources/Firelink
          rm ffmpeg.zip
          chmod +x Sources/Firelink/ffmpeg
          test -x Sources/Firelink/yt-dlp
          test -x Sources/Firelink/ffmpeg

      - name: Build app bundle
        env:
          MARKETING_VERSION: ${{ steps.version.outputs.version }}
          BUILD_NUMBER: ${{ github.run_number }}
        run: Scripts/create_app_bundle.sh

      - name: Verify ARM64 binary
        run: |
          file build/Firelink.app/Contents/MacOS/Firelink
          lipo -archs build/Firelink.app/Contents/MacOS/Firelink | grep -qx arm64
          codesign --verify --deep build/Firelink.app

      - name: Create DMG
        env:
          VERSION: ${{ steps.version.outputs.version }}
          ARCH: arm64
        run: Scripts/create_dmg.sh

      - name: Upload workflow artifact
        uses: actions/upload-artifact@v7
        with:
          name: Firelink-${{ steps.version.outputs.version }}-mac-arm64-dmg
          path: dist/*.dmg
          if-no-files-found: error

      - name: Publish GitHub release
        if: github.ref_type == 'tag' || github.event_name == 'workflow_dispatch'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          TAG_NAME="${{ steps.version.outputs.tag_name }}"
          awk '/^## \['"$VERSION"'\]/{flag=1; next} /^## \[/{if(flag) exit} flag' CHANGELOG.md > release_notes.md
          test -s release_notes.md

          if gh release view "$TAG_NAME" >/dev/null 2>&1; then
            gh release upload "$TAG_NAME" dist/*.dmg --clobber
            gh release edit "$TAG_NAME" --notes-file release_notes.md
          else
            gh release create "$TAG_NAME" dist/*.dmg --title "$TAG_NAME" --notes-file release_notes.md --verify-tag
          fi