name: CI

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

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.3'

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Download dependencies
        run: go mod download

      - name: Verify dependencies
        run: go mod verify

      - name: Install protoc and plugins
        run: |
          apk add --no-cache protobuf-dev protoc
          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
          echo "$HOME/go/bin" >> $GITHUB_PATH

      - name: Generate code
        run: |
          make generate-proto
          echo "Checking for Ent schema directory..."
          if [ -d "ent/schema" ]; then
            echo "Generating Ent code..."
            go install entgo.io/ent/cmd/ent@latest
            cd ent/schema && go run -mod=mod entgo.io/ent/cmd/ent generate .
            echo "Copying Ent code to internal/ent..."
            cd .. && mkdir -p ../internal/ent
            cp -r *.go */ ../internal/ent/ 2>/dev/null || true
            rm -f ../internal/ent/generate.go
            rm -rf ../internal/ent/schema
            echo "Verifying internal/ent/ent.go exists..."
            ls -la ../internal/ent/ent.go || echo "ERROR: ent.go not found!"
          else
            echo "WARNING: ent/schema directory not found!"
          fi

      - name: Check for test files
        id: check-tests
        run: |
          echo "Checking for test files..."
          TEST_FILES=$(find . -name "*_test.go" -not -path "./vendor/*" -not -path "./.git/*" 2>/dev/null || true)
          if [ -n "$TEST_FILES" ]; then
            echo "Found test files:"
            echo "$TEST_FILES"
            echo "tests_exist=true" >> $GITHUB_OUTPUT
          else
            echo "No test files found. Skipping test execution."
            echo "tests_exist=false" >> $GITHUB_OUTPUT
          fi

      - name: Run tests
        if: steps.check-tests.outputs.tests_exist == 'true'
        env:
          CGO_ENABLED: 1
        run: make test-coverage

      - name: Upload coverage
        if: steps.check-tests.outputs.tests_exist == 'true'
        uses: codecov/codecov-action@v3
        with:
          file: ./coverage.out
          fail_ci_if_error: false

      - name: Verify build (no tests)
        if: steps.check-tests.outputs.tests_exist == 'false'
        run: make build

  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.3'

      - name: Download dependencies
        run: go mod download

      - name: Install protoc and plugins
        run: |
          apk add --no-cache protobuf-dev protoc
          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
          echo "$HOME/go/bin" >> $GITHUB_PATH

      - name: Generate code
        run: |
          make generate-proto
          echo "Checking for Ent schema directory..."
          if [ -d "ent/schema" ]; then
            echo "Generating Ent code..."
            go install entgo.io/ent/cmd/ent@latest
            cd ent/schema && go run -mod=mod entgo.io/ent/cmd/ent generate .
            echo "Copying Ent code to internal/ent..."
            cd .. && mkdir -p ../internal/ent
            cp -r *.go */ ../internal/ent/ 2>/dev/null || true
            rm -f ../internal/ent/generate.go
            rm -rf ../internal/ent/schema
            echo "Verifying internal/ent/ent.go exists..."
            ls -la ../internal/ent/ent.go || echo "ERROR: ent.go not found!"
          else
            echo "WARNING: ent/schema directory not found!"
          fi

      - name: Install golangci-lint
        run: |
          go install github.com/golangci/golangci-lint/cmd/golangci-lint@v2
          echo "$HOME/go/bin" >> $GITHUB_PATH

      - name: Run linters
        run: make lint

  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.25.3'

      - name: Cache Go modules
        uses: actions/cache@v4
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Download dependencies
        run: go mod download

      - name: Install protoc and plugins
        run: |
          apk add --no-cache protobuf-dev protoc
          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
          go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
          echo "$HOME/go/bin" >> $GITHUB_PATH

      - name: Generate code
        run: |
          make generate-proto
          echo "Checking for Ent schema directory..."
          if [ -d "ent/schema" ]; then
            echo "Generating Ent code..."
            go install entgo.io/ent/cmd/ent@latest
            cd ent/schema && go run -mod=mod entgo.io/ent/cmd/ent generate .
            echo "Copying Ent code to internal/ent..."
            cd .. && mkdir -p ../internal/ent
            cp -r *.go */ ../internal/ent/ 2>/dev/null || true
            rm -f ../internal/ent/generate.go
            rm -rf ../internal/ent/schema
            echo "Verifying internal/ent/ent.go exists..."
            ls -la ../internal/ent/ent.go || echo "ERROR: ent.go not found!"
          else
            echo "WARNING: ent/schema directory not found!"
          fi

      - name: Build
        run: make build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: binaries
          path: |
            bin/platform
            bin/api-gateway
            bin/auth-service
            bin/identity-service
            bin/authz-service
            bin/audit-service
          retention-days: 7

  fmt:
    name: Format 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: '1.25.3'

      - name: Check formatting
        run: make fmt-check