name: release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
            name: mhrv-rs-linux-amd64
          - target: aarch64-unknown-linux-gnu
            os: ubuntu-latest
            name: mhrv-rs-linux-arm64
          - target: x86_64-apple-darwin
            os: macos-latest
            name: mhrv-rs-macos-amd64
          - target: aarch64-apple-darwin
            os: macos-latest
            name: mhrv-rs-macos-arm64
          - target: x86_64-pc-windows-gnu
            os: windows-latest
            name: mhrv-rs-windows-amd64

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      # eframe needs a few system libs on Linux for window management, keyboard,
      # and OpenGL/X11/Wayland. We install them on the Ubuntu runners regardless
      # of arch so both CLI-only and UI builds succeed.
      - name: Install Linux eframe system deps
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libxkbcommon-dev \
            libwayland-dev \
            libxcb1-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev \
            libx11-dev \
            libgl1-mesa-dev libglib2.0-dev libgtk-3-dev

      - name: Install aarch64 cross-compile toolchain (Linux only)
        if: matrix.target == 'aarch64-unknown-linux-gnu'
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc-aarch64-linux-gnu
          echo '[target.aarch64-unknown-linux-gnu]' >> ~/.cargo/config.toml
          echo 'linker = "aarch64-linux-gnu-gcc"' >> ~/.cargo/config.toml

      - name: Install Windows MinGW toolchain
        if: matrix.target == 'x86_64-pc-windows-gnu'
        id: msys2
        uses: msys2/setup-msys2@v2
        with:
          msystem: MINGW64
          update: true
          install: mingw-w64-x86_64-gcc

      - name: Configure Windows GNU linker
        if: matrix.target == 'x86_64-pc-windows-gnu'
        shell: pwsh
        run: |
          $gcc = "${{ steps.msys2.outputs.msys2-location }}\mingw64\bin\gcc.exe" -replace '\\','/'
          New-Item -ItemType Directory -Force -Path $env:USERPROFILE/.cargo | Out-Null
          Add-Content -Path $env:USERPROFILE/.cargo/config.toml -Value '[target.x86_64-pc-windows-gnu]'
          Add-Content -Path $env:USERPROFILE/.cargo/config.toml -Value "linker = '$gcc'"

      - name: Build CLI
        run: cargo build --release --target ${{ matrix.target }} --bin mhrv-rs

      # UI build: we try to build the UI binary on every platform. If it fails
      # on cross-compile for linux-arm64 (missing arm64 system libs cross),
      # we still ship the CLI.
      - name: Build UI
        if: matrix.target != 'aarch64-unknown-linux-gnu'
        run: cargo build --release --target ${{ matrix.target }} --features ui --bin mhrv-rs-ui

      - name: Package (unix)
        if: runner.os != 'Windows'
        run: |
          mkdir -p dist
          cp target/${{ matrix.target }}/release/mhrv-rs dist/mhrv-rs
          chmod +x dist/mhrv-rs
          if [ -f target/${{ matrix.target }}/release/mhrv-rs-ui ]; then
            cp target/${{ matrix.target }}/release/mhrv-rs-ui dist/mhrv-rs-ui
            chmod +x dist/mhrv-rs-ui
          fi

      - name: Build macOS .app bundle
        if: runner.os == 'macOS'
        run: |
          VER="${GITHUB_REF#refs/tags/v}"
          ./assets/macos/build-app.sh dist/mhrv-rs-ui "$VER" dist
          # Make a clean zip of just the .app for the release
          cd dist
          zip -qry "${{ matrix.name }}-app.zip" mhrv-rs.app

      - name: Package (windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          New-Item -ItemType Directory -Force -Path dist | Out-Null
          Copy-Item target/${{ matrix.target }}/release/mhrv-rs.exe dist/mhrv-rs.exe
          if (Test-Path target/${{ matrix.target }}/release/mhrv-rs-ui.exe) {
            Copy-Item target/${{ matrix.target }}/release/mhrv-rs-ui.exe dist/mhrv-rs-ui.exe
          }

      - name: Make archive
        shell: bash
        run: |
          cd dist
          if [ "${{ runner.os }}" = "Windows" ]; then
            7z a -tzip "${{ matrix.name }}.zip" mhrv-rs.exe mhrv-rs-ui.exe
          else
            tar czf "${{ matrix.name }}.tar.gz" mhrv-rs mhrv-rs-ui 2>/dev/null || tar czf "${{ matrix.name }}.tar.gz" mhrv-rs
          fi

      - uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.name }}
          path: |
            dist/${{ matrix.name }}.tar.gz
            dist/${{ matrix.name }}.zip
            dist/${{ matrix.name }}-app.zip
          if-no-files-found: ignore

  release:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/download-artifact@v4
        with:
          path: dist
          merge-multiple: true

      - name: Release
        uses: softprops/action-gh-release@v2
        with:
          files: dist/*
          generate_release_notes: true