name: CI

on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: "1"

jobs:
  build-linux:
    name: Linux (check, test, build)
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install System Dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            pkg-config clang libva-dev \
            libavcodec-dev libavformat-dev libavutil-dev \
            libswresample-dev libswscale-dev libavfilter-dev libavdevice-dev \
            libpipewire-0.3-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev \
            libasound2-dev

      - name: Setup Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

      - name: Cache cargo registry and target
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: linux-${{ hashFiles('Cargo.lock') }}
          restore-keys: linux-

      - name: Format check (advisory)
        continue-on-error: true
        run: cargo fmt --check

      - name: Type check
        run: cargo check --locked --all-targets

      - name: Unit tests
        run: cargo test --locked

      - name: Clippy
        run: cargo clippy --locked --all-targets -- -D warnings

      - name: Build release
        run: cargo build --locked --release

      - name: Verify binary
        run: |
          ./target/release/scythe --help | head -3
          test -x target/release/scythe
          ls -la target/release/scythe

      - name: Upload binary
        uses: actions/upload-artifact@v4
        with:
          name: scythe-linux-x86_64
          path: target/release/scythe
          if-no-files-found: error

  build-windows:
    name: Windows (cross build)
    runs-on: windows-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup MSYS2
        uses: msys2/setup-msys2@v2
        with:
          msystem: MINGW64
          update: true
          path-type: minimal
          install: >-
            mingw-w64-x86_64-toolchain
            mingw-w64-x86_64-rust
            mingw-w64-x86_64-ffmpeg
            mingw-w64-x86_64-pkg-config
            mingw-w64-x86_64-clang

      - name: Build release
        shell: msys2 {0}
        env:
          LIBCLANG_PATH: /mingw64/bin
          BINDGEN_EXTRA_CLANG_ARGS: "--target=x86_64-w64-windows-gnu"
        run: |
          cargo build --release
          ls -la target/release/scythe.exe

      - name: Upload binary
        uses: actions/upload-artifact@v4
        with:
          name: scythe-windows-x86_64
          path: target/release/scythe.exe
          if-no-files-found: error