name: Build, Test, and Deploy

on:
  pull_request:
    types: [opened, synchronize, reopened, closed]  # Trigger on open, synchronize, reopened PRs
  push:
    branches: [master]
  workflow_dispatch:

jobs:
  lint:
    name: Lint Code
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: build/cache
          key: ${{ runner.os }}-build-tools-cache-${{ hashFiles('build/checksums.txt') }}

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.23.0
          cache: false

      - name: Run linters
        run: |
          go run build/ci.go lint
          go run build/ci.go check_tidy
          go run build/ci.go check_baddeps

  build-go:
    name: Build & Test Go
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.24.0
          cache: false

      - name: Run Go tests
        run: go test -short ./...
        env:
          GOOS: linux
          GOARCH: 386

    check-labels:
    name: Check PR Labels
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    steps:
      - name: Debug PR Number
        run: |
          echo "PR Number: ${{ github.event.pull_request.number }}"

      - name: Fetch PR Labels
        id: label-check
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          PR_NUMBER="${{ github.event.pull_request.number }}"

          if [ -z "$PR_NUMBER" ]; then
            echo "PR number is empty. This might not be running on a PR merge."
            exit 1
          fi

          API_URL="https://api.github.com/repos/${{ github.repository }}/issues/${PR_NUMBER}/labels"
          echo "Fetching labels from: $API_URL"

          RESPONSE=$(curl -s -H "Authorization: Bearer $GITHUB_TOKEN" "$API_URL")
          echo "API Response: $RESPONSE"

          LABELS=$(echo "$RESPONSE" | jq -r '.[].name')

          echo "Found labels: $LABELS"

          if echo "$LABELS" | grep -q "CI:Build"; then
            echo "ci_build=true" >> $GITHUB_ENV
          else
            echo "ci_build=false" >> $GITHUB_ENV
          fi

  build-docker:
    name: Build & Push Docker Image
    runs-on: ubuntu-latest
    needs: [lint, build-go, check-labels]
    if: needs.check-labels.outputs.ci_build == 'true'
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to Docker Hub
        run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin

      - name: Build Docker image
        run: docker build -t ipangelov/go-ethereum:latest .

      - name: Push Docker image to Docker Hub
        run: docker push ipangelov/go-ethereum:latest