name: CI

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

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: ['1.19', '1.20', '1.21']
    
    steps:
    - name: Set up Go ${{ matrix.go-version }}
      uses: actions/setup-go@v4
      with:
        go-version: ${{ matrix.go-version }}

    - name: Check out code
      uses: actions/checkout@v4

    - name: Cache Go modules
      uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-${{ matrix.go-version }}-

    - name: Download dependencies
      run: go mod download

    - name: Verify dependencies
      run: go mod verify

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

    - name: Run tests
      run: go test -v -race -timeout 300s ./...

    - name: Run tests with coverage
      if: matrix.go-version == '1.21'
      run: go test -v -race -coverprofile=coverage.out -covermode=atomic -timeout 300s ./...

    - name: Upload coverage to Codecov
      if: matrix.go-version == '1.21'
      uses: codecov/codecov-action@v5
      with:
        token: ${{ secrets.CODECOV_TOKEN }}

  case-expression-tests:
    name: CASE Expression Tests
    runs-on: ubuntu-latest
    
    steps:
    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: '1.21'

    - name: Check out code
      uses: actions/checkout@v4

    - name: Cache Go modules
      uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-1.21-${{ hashFiles('**/go.sum') }}

    - name: Download dependencies
      run: go mod download

    - name: Run CASE Expression Parsing Tests
      run: go test -v -run TestCaseExpressionParsing -timeout 15s

    - name: Run CASE Expression Comprehensive Tests
      run: go test -v -run TestCaseExpressionComprehensive -timeout 15s

    - name: Run CASE Expression Field Extraction Tests
      run: go test -v -run TestCaseExpressionFieldExtraction -timeout 15s

    - name: Run CASE Expression in SQL Tests
      run: go test -v -run TestCaseExpressionInSQL -timeout 15s

    - name: Run CASE Expression Aggregation Tests (with known limitations)
      run: go test -v -run "TestCaseExpressionInAggregation|TestComplexCaseExpressionsInAggregation" -timeout 20s

    - name: Run CASE Expression Edge Cases
      run: go test -v -run TestCaseExpressionEdgeCases -timeout 15s

#  lint:
#    name: Lint
#    runs-on: ubuntu-latest
#
#    steps:
#    - name: Set up Go
#      uses: actions/setup-go@v4
#      with:
#        go-version: '1.21'
#
#    - name: Check out code
#      uses: actions/checkout@v4
#
#    - name: Run golangci-lint
#      uses: golangci/golangci-lint-action@v3
#      with:
#        version: latest
#        args: --timeout=5m
#
#  security:
#    name: Security Scan
#    runs-on: ubuntu-latest
#
#    steps:
#    - name: Set up Go
#      uses: actions/setup-go@v4
#      with:
#        go-version: '1.21'
#
#    - name: Check out code
#      uses: actions/checkout@v4
#
#    - name: Run Gosec Security Scanner
#      uses: securecodewarrior/github-action-gosec@v1
#      with:
#        args: './...'