name: CI - Sanity Checks

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  workflow_dispatch:

jobs:
  analyze:
    name: Code Analysis
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: "stable"
          cache: true

      - name: Cache Pub dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.pub-cache
          key: ${{ runner.os }}-pub-v2-${{ hashFiles('**/pubspec.lock') }}
          restore-keys: |
            ${{ runner.os }}-pub-v2-

      - name: Install dependencies
        run: |

          flutter pub get

      - name: Verify formatting
        run: |
          # Find all Dart files excluding generated files
          find lib $([ -d test ] && echo test) -name "*.dart" ! -name "*.g.dart" ! -name "*.freezed.dart" -type f 2>/dev/null | while IFS= read -r file; do
            files_found=true
            break
          done
          if [ "$files_found" != "true" ]; then
            echo "No Dart files found to format"
            exit 0
          fi
          find lib $([ -d test ] && echo test) -name "*.dart" ! -name "*.g.dart" ! -name "*.freezed.dart" -type f 2>/dev/null -print0 | xargs -0 dart format --output=none --set-exit-if-changed
      - name: Analyze code
        run: |
          # Run flutter analyze
          # Fails on any errors or warnings (info messages are allowed)
          flutter analyze 2>&1 | tee analyze_output.txt

          # Check the exit status
          if [ ${PIPESTATUS[0]} -ne 0 ]; then
            echo "❌ Analysis failed"
            exit 1
          fi

          # Also verify no warnings or errors in output
          if grep -q "error •" analyze_output.txt; then
            echo "❌ Analysis failed with errors"
            exit 1
          elif grep -q "warning •" analyze_output.txt; then
            echo "⚠️  Analysis completed with warnings"
            exit 1
          else
            echo "✅ Analysis passed - no issues found!"
            exit 0
          fi

      - name: Check for unused code
        run: |
          echo "🔍 Checking for unused code..."
          dart run dart_code_linter:metrics check-unused-code lib 2>&1 | tee unused_code.txt
          if grep -qi "no unused code found" unused_code.txt; then
            echo "✅ No unused code found"
          else
            echo "❌ Found unused code:"
            cat unused_code.txt
            exit 1
          fi

      - name: Check for unused files
        run: |
          echo "🔍 Checking for unused files..."
          dart run dart_code_linter:metrics check-unused-files lib 2>&1 | tee unused_files.txt
          if grep -qi "no unused files found" unused_files.txt; then
            echo "✅ No unused files found"
          else
            echo "❌ Found unused files:"
            cat unused_files.txt
            exit 1
          fi

  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: "stable"
          cache: true

      - name: Cache Pub dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.pub-cache
          key: ${{ runner.os }}-pub-v2-${{ hashFiles('**/pubspec.lock') }}
          restore-keys: |
            ${{ runner.os }}-pub-v2-

      - name: Install dependencies
        run: |
          flutter clean
          flutter pub get

      - name: Run tests
        run: |
          if [ -d "test" ] && [ "$(find test -name '*_test.dart' | wc -l)" -gt 0 ]; then
            flutter test
          else
            echo "No tests found, skipping test execution"
          fi

  dependency-check:
    name: Dependency Validation
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: "stable"
          cache: true

      - name: Cache Pub dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.pub-cache
          key: ${{ runner.os }}-pub-v2-${{ hashFiles('**/pubspec.lock') }}
          restore-keys: |
            ${{ runner.os }}-pub-v2-

      - name: Verify dependencies
        run: |
          flutter clean
          flutter pub get
          flutter pub outdated