ci.yml

name: CI

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

jobs:
  format:
    name: Format Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: Check formatting
        run: |
          if [ -n "$(gofmt -l .)" ]; then
            echo "Go files must be formatted with gofmt. Please run:"
            echo "  gofmt -w ."
            gofmt -l .
            exit 1
          fi

  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: golangci-lint
        uses: golangci/golangci-lint-action@v7
        with:
          version: v2.6.2
          args: --timeout=5m ./cmd/... ./internal/... ./pkg/ast/... ./pkg/parser/... ./pkg/codegen/...

      - name: golangci-lint (WASM)
        uses: golangci/golangci-lint-action@v7
        with:
          version: v2.6.2
          args: --timeout=5m ./examples/webgpu-chart/...
        env:
          GOOS: js
          GOARCH: wasm

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: Download dependencies
        run: go mod download

      - name: Run tests
        run: |
          # Test non-WASM packages (exclude runtime and examples which use syscall/js)
          go test -v -race -coverprofile=coverage.txt -covermode=atomic \
            ./cmd/... \
            ./internal/... \
            ./pkg/ast/... \
            ./pkg/parser/... \
            ./pkg/codegen/...

      - name: Upload coverage
        uses: codecov/codecov-action@v4
        with:
          file: ./coverage.txt
          fail_ci_if_error: false

  test-wasm:
    name: Test WASM
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Download dependencies
        run: go mod download

      - name: Run WASM tests
        working-directory: examples/webgpu-chart
        run: |
          echo "Running WASM tests for webgpu-chart example..."

          # Use Go's WASM test runner
          GOROOT="$(go env GOROOT)"
          if [ -f "$GOROOT/lib/wasm/go_js_wasm_exec" ]; then
            EXEC_PATH="$GOROOT/lib/wasm/go_js_wasm_exec"
          elif [ -f "$GOROOT/misc/wasm/go_js_wasm_exec" ]; then
            EXEC_PATH="$GOROOT/misc/wasm/go_js_wasm_exec"
          else
            echo "Error: go_js_wasm_exec not found"
            exit 1
          fi

          echo "Using test runner: $EXEC_PATH"
          GOOS=js GOARCH=wasm go test -v -exec="$EXEC_PATH" ./...

      - name: Verify test coverage
        run: |
          # Count test functions in WASM test files
          TEST_COUNT=$(grep -r "^func Test" examples/webgpu-chart/*_test.go | wc -l)
          echo "Found $TEST_COUNT test functions"

          if [ "$TEST_COUNT" -lt 10 ]; then
            echo "Warning: Expected at least 10 test functions, found $TEST_COUNT"
            exit 1
          fi

          echo "✓ Test coverage verification passed"

  build:
    name: Build CLI
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: Build CLI
        run: go build -v -o guix ./cmd/guix

      - name: Test CLI
        run: |
          ./guix generate -p examples/counter --verbose
          if [ ! -f examples/counter/counter_gen.go ]; then
            echo "Failed to generate counter example"
            exit 1
          fi

  build-wasm:
    name: Build WASM Examples
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25'

      - name: Build CLI
        run: go build -o guix ./cmd/guix

      - name: Generate components
        run: ./guix generate -p examples/counter

      - name: Copy wasm_exec.js
        run: |
          GOROOT="$(go env GOROOT)"
          # Try lib/wasm first (Go 1.24+), then misc/wasm (older versions)
          if [ -f "$GOROOT/lib/wasm/wasm_exec.js" ]; then
            cp "$GOROOT/lib/wasm/wasm_exec.js" examples/counter/
          elif [ -f "$GOROOT/misc/wasm/wasm_exec.js" ]; then
            cp "$GOROOT/misc/wasm/wasm_exec.js" examples/counter/
          else
            echo "wasm_exec.js not found in GOROOT, downloading from GitHub"
            curl -o examples/counter/wasm_exec.js https://raw.githubusercontent.com/golang/go/go1.25.0/lib/wasm/wasm_exec.js
          fi

      - name: Build WASM
        working-directory: examples/counter
        run: GOOS=js GOARCH=wasm go build -o main.wasm .

      - name: Verify WASM build
        run: |
          if [ ! -f examples/counter/main.wasm ]; then
            echo "WASM build failed"
            exit 1
          fi
          echo "WASM size: $(du -h examples/counter/main.wasm)"