name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

jobs:
  changes:
    name: Detect changes
    runs-on: ubuntu-22.04
    outputs:
      rust: ${{ github.event_name == 'workflow_dispatch' && 'true' || steps.filter.outputs.rust }}
    steps:
      - name: Checkout
        if: github.event_name != 'workflow_dispatch'
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Filter paths
        if: github.event_name != 'workflow_dispatch'
        uses: dorny/paths-filter@v4
        id: filter
        with:
          filters: |
            rust:
              - 'src-tauri/**'

  # PR / manual only. Merge to main already passed this on the PR;
  # do not compile the same debug tree again.
  check:
    name: Check Ubuntu
    needs: changes
    if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y curl libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf protobuf-compiler

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri
          cache-on-failure: true

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: npm

      - name: Install frontend dependencies
        run: npm ci

      - name: Check frontend build
        run: npx vite build

      - name: Check Rust build
        working-directory: src-tauri
        run: cargo build

  check-windows:
    name: Check Windows (Rust)
    needs: changes
    if: >-
      (github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch') &&
      needs.changes.outputs.rust == 'true'
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install protoc
        uses: arduino/setup-protoc@v3
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri
          cache-on-failure: true

      - name: Check Rust build
        working-directory: src-tauri
        run: cargo build

  # Warm target/release on the default branch so tag builds can restore it.
  # Only when src-tauri changes (or manual dispatch). Frontend merges must not
  # pay for a 3-platform release compile.
  release-compile:
    name: Release compile ${{ matrix.display }}
    needs: changes
    if: github.event_name != 'pull_request' && needs.changes.outputs.rust == 'true'
    runs-on: ${{ matrix.platform }}
    env:
      CARGO_PROFILE_RELEASE_LTO: "false"
      CARGO_PROFILE_RELEASE_CODEGEN_UNITS: "16"
      CARGO_PROFILE_RELEASE_OPT_LEVEL: "1"
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: ubuntu-22.04
            display: Linux x64
          - platform: macos-latest
            display: macOS

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install protoc (macOS)
        if: matrix.platform == 'macos-latest'
        run: |
          brew untap aws/tap || true
          brew install protobuf

      - name: Install dependencies (Ubuntu)
        if: matrix.platform == 'ubuntu-22.04'
        run: |
          sudo apt-get update
          sudo apt-get install -y curl libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf protobuf-compiler

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri
          shared-key: qmai-release
          add-job-id-key: false
          cache-on-failure: true

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: npm

      - name: Install frontend dependencies
        run: npm ci

      - name: Build frontend
        run: npx vite build

      - name: Cargo release build
        working-directory: src-tauri
        run: cargo build --release

  release-compile-windows:
    name: Release compile Windows x64
    needs: changes
    if: github.event_name != 'pull_request' && needs.changes.outputs.rust == 'true'
    runs-on: windows-latest
    env:
      CARGO_PROFILE_RELEASE_LTO: "false"
      CARGO_PROFILE_RELEASE_CODEGEN_UNITS: "16"
      CARGO_PROFILE_RELEASE_OPT_LEVEL: "1"
    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Install Rust stable
        uses: dtolnay/rust-toolchain@stable

      - name: Install protoc (Windows)
        uses: arduino/setup-protoc@v3
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Rust cache
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: src-tauri
          shared-key: qmai-release
          add-job-id-key: false
          cache-on-failure: true

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version: 24
          cache: npm

      - name: Install frontend dependencies
        run: npm ci

      - name: Build frontend
        run: npx vite build

      - name: Cargo release build
        working-directory: src-tauri
        run: cargo build --release