name: CI

on:
  push:
    branches: ["**"]
  pull_request:
    branches: ["**"]

permissions:
  contents: read
  actions: write

jobs:
  build-test-wasm:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23.x'

      - name: Install extra tools
        run: |
          go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
          go install golang.org/x/vuln/cmd/govulncheck@latest

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

      - name: Go env
        run: go env

      - name: CI checks (lint, tests, coverage, etc.)
        run: make ci

      - name: Benchmarks (linear)
        run: go test -bench . -benchmem -run=^$ ./... | tee bench-linear.txt

      - name: Coverage summary (linear)
        run: |
          if [ -f coverage.out ]; then
            go tool cover -func=coverage.out > coverage-summary.md;
          else
            echo "coverage.out not found" > coverage-summary.md;
          fi

      - name: Upload coverage summary (linear)
        uses: actions/upload-artifact@v4
        with:
          name: coverage-summary
          path: coverage-summary.md
          if-no-files-found: error

      - name: Upload benchmarks (linear)
        uses: actions/upload-artifact@v4
        with:
          name: bench-linear
          path: bench-linear.txt
          if-no-files-found: error

      - name: Build WebAssembly module
        run: make wasm-build

      - name: Prepare npm package folder
        run: make npm-pack

      - name: WASM smoke test (Node)
        run: node npm/poindexter-wasm/smoke.mjs

      - name: Create npm tarball
        id: npm_pack
        run: |
          echo "tarball=$(npm pack ./npm/poindexter-wasm)" >> "$GITHUB_OUTPUT"

      - name: Upload dist (WASM artifacts)
        uses: actions/upload-artifact@v4
        with:
          name: poindexter-wasm-dist
          if-no-files-found: error
          path: |
            dist/poindexter.wasm
            dist/wasm_exec.js

      - name: Upload npm package folder
        uses: actions/upload-artifact@v4
        with:
          name: npm-poindexter-wasm
          if-no-files-found: error
          path: npm/poindexter-wasm/**

      - name: Upload npm tarball
        uses: actions/upload-artifact@v4
        with:
          name: npm-poindexter-wasm-tarball
          if-no-files-found: error
          path: ${{ steps.npm_pack.outputs.tarball }}

  build-test-gonum:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23.x'

      - name: Install extra tools
        run: |
          go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
          go install golang.org/x/vuln/cmd/govulncheck@latest

      - name: Go env
        run: go env

      - name: Lint
        run: golangci-lint run

      - name: Build (gonum tag)
        run: go build -tags=gonum ./...

      - name: Unit tests + race + coverage (gonum tag)
        run: go test -tags=gonum -race -coverpkg=./... -coverprofile=coverage-gonum.out -covermode=atomic ./...

      - name: Fuzz (10s per fuzz test, gonum tag)
        run: |
          set -e
          for pkg in $(go list ./...); do
            FUZZES=$(go test -tags=gonum -list '^Fuzz' "$pkg" | grep '^Fuzz' || true)
            if [ -z "$FUZZES" ]; then
              echo "==> Skipping $pkg (no fuzz targets)"
              continue
            fi
            for fz in $FUZZES; do
              echo "==> Fuzzing $pkg :: $fz for 10s"
              go test -tags=gonum -run=NONE -fuzz=^${fz}$ -fuzztime=10s "$pkg"
            done
          done

      - name: Benchmarks (gonum tag)
        run: go test -tags=gonum -bench . -benchmem -run=^$ ./... | tee bench-gonum.txt

      - name: Upload coverage (gonum)
        uses: actions/upload-artifact@v4
        with:
          name: coverage-gonum
          path: coverage-gonum.out
          if-no-files-found: error

      - name: Coverage summary (gonum)
        run: |
          if [ -f coverage-gonum.out ]; then
            go tool cover -func=coverage-gonum.out > coverage-summary-gonum.md;
          else
            echo "coverage-gonum.out not found" > coverage-summary-gonum.md;
          fi

      - name: Upload coverage summary (gonum)
        uses: actions/upload-artifact@v4
        with:
          name: coverage-summary-gonum
          path: coverage-summary-gonum.md
          if-no-files-found: error

      - name: Upload benchmarks (gonum)
        uses: actions/upload-artifact@v4
        with:
          name: bench-gonum
          path: bench-gonum.txt
          if-no-files-found: error