name: Go Build - CI

on:
  workflow_dispatch:
  push:
    tags-ignore:
      - "v*"
    branches-ignore:
      - main

  pull_request:
    types:
      - opened
      - reopened
      - synchronize
    branches:
      - main

jobs:
  quality:
    name: Code Quality
    runs-on: ubuntu-latest

    steps:
      # Checkout code
      - name: Checkout repository
        uses: actions/checkout@v4

      # Set up Go environment
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"
          cache-dependency-path: "**/*.sum"
          cache: true

      - name: GolangCI Lint
        uses: golangci/golangci-lint-action@v8
        with:
          version: latest

      - name: Run format-check
        run: |
          UNFORMATTED=$(gofmt -l .)
          if [ -n "$UNFORMATTED" ]; then
            echo "The following files are not formatted according to gofmt:"
            echo "$UNFORMATTED"
            exit 1
          fi

  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    steps:
      # Checkout code
      - name: Checkout repository
        uses: actions/checkout@v4

      # Set up Go environment
      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"
          cache: true
          cache-dependency-path: "**/*.sum"

      - name: Run tests
        run: go test -cover -coverprofile=coverage.txt ./...

      - name: Archive code coverage results
        uses: actions/upload-artifact@v4
        with:
          name: code-coverage
          path: "coverage.txt"
          if-no-files-found: error

  code_coverage:
    name: "Code coverage report"
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    needs:
      - test

    permissions:
      contents: read
      actions: read # to download code coverage results from "test" job
      pull-requests: write # write permission needed to comment on PR

    steps:
      - uses: fgrosse/go-coverage-report@v1.2.0
        with:
          coverage-artifact-name: "code-coverage"
          coverage-file-name: "coverage.txt"
          github-baseline-workflow-ref: "release.yaml"

  tinygo:
    runs-on: ubuntu-latest
    needs:
      - test
      - quality

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"
          cache-dependency-path: "**/*.sum"
          cache: true

      # Setup tinygo
      - uses: acifani/setup-tinygo@v2
        with:
          tinygo-version: "0.37.0"

      # Build fanunit firmware
      - name: Build FanUnit Firmware
        run: make build-fanunit

      - name: Archive FanUnit Firmware
        uses: actions/upload-artifact@v4
        with:
          name: fanunit.uf2
          path: "fanunit.uf2"

  goreleaser:
    runs-on: ubuntu-latest
    needs:
      - tinygo

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Install cosign
      - name: Install Cosign
        uses: sigstore/cosign-installer@v3

      # Install GoLang
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: "go.mod"
          cache-dependency-path: "**/*.sum"
          cache: true

      # Setup docker buildx
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # Download FanUnit Firmware
      - name: Download fanunit firmware
        uses: actions/download-artifact@v4
        with:
          pattern: fanunit.uf2

      # Run goreleaser
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v6
        with:
          version: latest
          args: release --snapshot --clean --skip sign
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: compute-blade-agent
          path: dist/*-SNAPSHOT-*
          if-no-files-found: error