name: Build & Test WASM

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    branches: [main]

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23'

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Clone kobopatch source
        run: |
          cd kobopatch-wasm
          ./setup.sh

      - name: Run native tests
        run: |
          cd kobopatch-wasm/kobopatch-src
          go test ./...

      - name: Build WASM binary
        run: |
          cd kobopatch-wasm
          ./build.sh
          test -f kobopatch.wasm || { echo "ERROR: kobopatch.wasm not found after build"; exit 1; }

      - name: Run WASM tests
        run: |
          cd kobopatch-wasm/kobopatch-src
          GOROOT="$(go env GOROOT)"
          if [ -f "$GOROOT/lib/wasm/go_js_wasm_exec" ]; then
            EXEC="$GOROOT/lib/wasm/go_js_wasm_exec"
          else
            EXEC="$GOROOT/misc/wasm/go_js_wasm_exec"
          fi
          GOOS=js GOARCH=wasm go test -exec="$EXEC" ./...

      - name: Check if integration test is needed
        id: check-wasm
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            echo "run=true" >> "$GITHUB_OUTPUT"
          elif git diff --name-only HEAD~1 HEAD | grep -q '^kobopatch-wasm/'; then
            echo "run=true" >> "$GITHUB_OUTPUT"
          else
            echo "run=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Full integration test
        if: steps.check-wasm.outputs.run == 'true' && env.GITEA_ACTIONS != 'true'
        run: |
          cd kobopatch-wasm
          ./test-integration.sh