name: CI Pipeline

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

env:
  GO_VERSION: '1.23.x'

jobs:
  # Lint and Format Check
  lint:
    name: Lint and Format
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        
    - name: Install golangci-lint
      run: |
        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.3.1
        
    - name: Run golangci-lint
      run: golangci-lint run --timeout=5m
      
    - name: Check Go formatting
      run: |
        if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then
          echo "The following files are not properly formatted:"
          gofmt -s -l .
          exit 1
        fi

  # Build check
  build:
    name: Build Check
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        
    - name: Cache Go modules
      uses: actions/cache@v4
      with:
        path: |
          ~/.cache/go-build
          ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-
          
    - name: Download dependencies
      run: go mod download
      
    - name: Build application
      run: |
        go build -v ./cmd/...
        
    - name: Check for vulnerabilities
      run: |
        go install golang.org/x/vuln/cmd/govulncheck@latest
        govulncheck ./...

  # Unit Tests
  unit-tests:
    name: Unit Tests
    runs-on: ubuntu-latest
    needs: [lint, build]
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        
    - name: Cache Go modules
      uses: actions/cache@v4
      with:
        path: |
          ~/.cache/go-build
          ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-
          
    - name: Download dependencies
      run: go mod download
      
    - name: Run unit tests
      run: |
        go test -v -race -coverprofile=coverage.out -covermode=atomic ./internal/...
        
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      with:
        file: ./coverage.out
        flags: unittests
        name: codecov-unit
        fail_ci_if_error: false

  # Integration Tests
  integration-tests:
    name: Integration Tests
    runs-on: ubuntu-latest
    needs: [lint, build]
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ env.GO_VERSION }}
        
    - name: Cache Go modules
      uses: actions/cache@v4
      with:
        path: |
          ~/.cache/go-build
          ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-
          
    - name: Download dependencies
      run: go mod download
      
    - name: Run integration tests
      run: |
        chmod +x ./tests/integration/run.sh
        ./tests/integration/run.sh

  # Overall status check
  test-summary:
    name: Test Summary
    runs-on: ubuntu-latest
    needs: [unit-tests, integration-tests]
    if: always()
    steps:
    - name: Check test results
      run: |
        if [[ "${{ needs.unit-tests.result }}" == "success" && "${{ needs.integration-tests.result }}" == "success" ]]; then
          echo "✅ All tests passed!"
          exit 0
        else
          echo "❌ Some tests failed:"
          echo "  Unit tests: ${{ needs.unit-tests.result }}"
          echo "  Integration tests: ${{ needs.integration-tests.result }}"
          exit 1
        fi