name: Build & Test

on:
  workflow_dispatch:
  workflow_call:
    inputs:
      plan:
        required: false
        type: string
  # pull_request: # No need to trigger on PR, cargo-dist already does
  push:
    branches:
      - master

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  nextest:
    runs-on: ${{matrix.os}}
    strategy:
      matrix: &matrix
        build: [linux, macos, windows]
        include:
          - build: linux
            os: ubuntu-latest
            target: x86_64-unknown-linux-musl
          - build: macos
            os: macos-latest
            target: x86_64-apple-darwin
          - build: windows
            os: windows-latest
            target: x86_64-pc-windows-msvc
    permissions:
      contents: read
    steps:
      - &linux-deps
        name: "[linux] Install dependencies"
        run: |
          sudo apt-get install tmux
          tmux -V
          locale
        if: runner.os == 'Linux'
      - name: "[macos] Install dependencies"
        run: |
          brew install tmux
          tmux -V
          locale
        if: runner.os == 'macOS'
        env:
          HOMEBREW_NO_AUTO_UPDATE: 1

      - &checkout
        name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 1
      - &toolchain
        name: Install rust toolchain
        run: rustup toolchain install
      - &nextest-install
        name: Install nextest
        uses: taiki-e/install-action@v2
        with:
          tool: nextest@0.9
      - &cache
        name: Setup cargo cache
        uses: Swatinem/rust-cache@v2
      - name: Run doctests
        run: cargo test --doc
      - name: "Run tests"
        # Do not use `--all-targets` to avoid running benches
        run: cargo nextest run --release --profile ci --bins --lib --examples --tests
        env:
          LC_ALL: en_US.UTF-8
          TERM: xterm-256color
      - name: Show snapshot diffs on failure
        if: failure()
        run: |
          find tests/snapshots/ -name "*.snap.new" | while read -r new_snap; do
            base="${new_snap%.new}"
            echo "=== Snapshot diff: $base ==="
            echo "new: $new_snap"
            cat "$new_snap"
            if [ -f "$base" ]; then
              echo "old: $base"
              cat "$base"
              diff "$base" "$new_snap"
            fi
          done
        shell: bash

  coverage:
    runs-on: ubuntu-latest
    permissions:
      code-quality: write
    steps:
      - *linux-deps
      - *checkout
      - *toolchain
      - *nextest-install
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-llvm-cov@0.8
      - *cache
      - name: "Run tests with coverage"
        # Do not use `--all-targets` to avoid running benches
        run: |
          cargo +nightly llvm-cov nextest --release --profile ci --branch --bins --lib --examples --tests --no-report
          cargo +nightly llvm-cov report --release --cobertura --output-path coverage.xml
          cargo +nightly llvm-cov report --release --html
          echo "COVERAGE_PERCENT=$(cargo +nightly llvm-cov report --release | tail -n1 | awk '{ print $13 }')" | tee --append $GITHUB_ENV
        env:
          LC_ALL: en_US.UTF-8
          TERM: xterm-256color
      - name: "Upload coverage report"
        if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository
        continue-on-error: true
        uses: actions/upload-code-coverage@v1
        with:
          file: coverage.xml
          language: Rust
          label: ${{ runner.os }}

      - name: "Generate coverage badge"
        if: &if-master github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
        uses: emibcn/badge-action@v2.0.2
        with:
          label: 'Coverage'
          status: ${{ env.COVERAGE_PERCENT }}
          color: 'blue'
          path: 'target/llvm-cov/html/coverage.svg'
      - name: "Upload default branch results to gh pages"
        if: *if-master
        uses: actions/upload-pages-artifact@v3
        with:
          path: target/llvm-cov/html

  deploy-coverage-page:
    if: *if-master
    needs: coverage
    runs-on: ubuntu-latest
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: "Deploy gh pages"
        id: deployment
        uses: actions/deploy-pages@v4

  clippy:
    runs-on: ${{matrix.os}}
    strategy:
      matrix: *matrix
    steps:
      - *checkout
      - *toolchain
      - *cache
      - name: Clippy
        run: cargo clippy

  rustfmt:
    runs-on: ${{matrix.os}}
    strategy:
      matrix: *matrix
    steps:
      - *checkout
      - *toolchain
      - name: Check formatting
        run: |
          cargo fmt --all -- --check

  clippy-no-default-features:
    runs-on: ${{matrix.os}}
    strategy:
      matrix: *matrix
    steps:
      - *checkout
      - *toolchain
      - *cache
      - name: Run clippy with specific features
        run: |
          cargo clippy --no-default-features -- -Dwarnings
          cargo clippy --no-default-features --features cli -- -Dwarnings
          cargo clippy --no-default-features --features image -- -Dwarnings
          cargo clippy --no-default-features --features listen -- -Dwarnings
          cargo clippy --no-default-features --features frizbee -- -Dwarnings


  msrv:
    runs-on: ubuntu-latest
    steps:
      - *checkout
      - *toolchain
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-msrv@0.19
      - name: MSRV Verify
        run: cargo msrv verify