name: CI

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

permissions: read-all

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version: "1.26"

      - name: gofmt
        run: |
          unformatted=$(gofmt -l -d . 2>&1) || true
          if [ -n "$unformatted" ]; then
            echo "::error::File(s) not formatted with gofmt:"
            echo "$unformatted"
            exit 1
          fi

      - name: go vet
        run: go vet ./...

      - name: go vet (tinygo tags)
        run: go vet -tags=tinygo ./...

      - name: go fix
        run: |
          diff=$(go fix -diff ./... 2>&1) || true
          if [ -n "$diff" ]; then
            echo "$diff"
            echo "::error::Files need go tool fix. Run: go tool fix ./..."
            exit 1
          fi

  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version: "1.26"

      - name: Build
        run: go build -v ./...

  test:
    needs: [build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version: "1.26"

      - name: Test
        run: |
          mkdir -p profiles
          go test -v -shuffle=on -count=1 \
            -coverprofile=profiles/coverage.profile -covermode=atomic -coverpkg=./... \
            -timeout=10m \
            ./...

      - name: Upload coverage
        uses: codecov/codecov-action@3f20e214133d0983f9a10f3d63b0faf9241a3daa # v6.0.0
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: profiles/coverage.profile
          slug: soypat/lneto

      - name: Upload profiles
        if: always()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: test-profiles
          path: profiles/
          retention-days: 14

  race:
    needs: [build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version: "1.26"

      - name: Test (race + shuffle)
        run: go test -race -shuffle=on -count=1 -timeout=10m ./...

  benchmark:
    needs: [test]
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
        with:
          go-version: "1.26"

      - name: Run benchmarks
        run: go test -bench=. -benchmem -count=5 -shuffle=on -run='^$' -timeout=15m ./... | tee bench-results.txt

      - name: Generate benchmark report
        run: |
          go run ./internal/benchci -current bench-results.txt -out bench-report.md
          cat bench-report.md >> "$GITHUB_STEP_SUMMARY"

      - name: Upload generated benchmark report
        if: github.event_name == 'pull_request'
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: bench-report
          path: bench-report.md
          retention-days: 30

      - name: Upload raw benchmark results
        if: always()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: bench-results
          path: bench-results.txt
          retention-days: 30