#!/usr/bin/env python3
"""
Test script to verify the backend API structure.
"""

import sys
import os

# Add backend to path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'backend'))

def test_imports():
    """Test that all required modules can be imported."""
    print("Testing imports...")

    try:
        from app.core.config import settings
        print("✓ Config module imported successfully")

        from app.core.logging import setup_logging
        print("✓ Logging module imported successfully")

        from app.services.data_service import DataService
        print("✓ DataService imported successfully")

        from app.services.ai_service import AIService
        print("✓ AIService imported successfully")

        from app.services.prompt_service import PromptService
        print("✓ PromptService imported successfully")

        from app.models.prompt import PromptResponse, PoolStatsResponse
        print("✓ Models imported successfully")

        from app.api.v1.api import api_router
        print("✓ API router imported successfully")

        return True

    except ImportError as e:
        print(f"✗ Import error: {e}")
        return False
    except Exception as e:
        print(f"✗ Error: {e}")
        return False

def test_config():
    """Test configuration loading."""
    print("\nTesting configuration...")

    try:
        from app.core.config import settings

        print(f"✓ Project name: {settings.PROJECT_NAME}")
        print(f"✓ Version: {settings.VERSION}")
        print(f"✓ Debug mode: {settings.DEBUG}")
        print(f"✓ Environment: {settings.ENVIRONMENT}")
        print(f"✓ Host: {settings.HOST}")
        print(f"✓ Port: {settings.PORT}")
        print(f"✓ Min prompt length: {settings.MIN_PROMPT_LENGTH}")
        print(f"✓ Max prompt length: {settings.MAX_PROMPT_LENGTH}")
        print(f"✓ Prompts per session: {settings.NUM_PROMPTS_PER_SESSION}")
        print(f"✓ Cached pool volume: {settings.CACHED_POOL_VOLUME}")

        return True

    except Exception as e:
        print(f"✗ Configuration error: {e}")
        return False

def test_data_service():
    """Test DataService initialization."""
    print("\nTesting DataService...")

    try:
        from app.services.data_service import DataService

        data_service = DataService()
        print("✓ DataService initialized successfully")

        # Check data directory
        import os
        data_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "data")
        if os.path.exists(data_dir):
            print(f"✓ Data directory exists: {data_dir}")

            # Check for required files
            required_files = [
                'prompts_historic.json',
                'prompts_pool.json',
                'feedback_words.json',
                'feedback_historic.json',
                'ds_prompt.txt',
                'ds_feedback.txt',
                'settings.cfg'
            ]

            for file in required_files:
                file_path = os.path.join(data_dir, file)
                if os.path.exists(file_path):
                    print(f"✓ {file} exists")
                else:
                    print(f"⚠ {file} not found (this may be OK for new installations)")
        else:
            print(f"⚠ Data directory not found: {data_dir}")

        return True

    except Exception as e:
        print(f"✗ DataService error: {e}")
        return False

def test_models():
    """Test Pydantic models."""
    print("\nTesting Pydantic models...")

    try:
        from app.models.prompt import (
            PromptResponse,
            PoolStatsResponse,
            HistoryStatsResponse,
            FeedbackWord
        )

        # Test PromptResponse
        prompt = PromptResponse(
            key="prompt00",
            text="Test prompt text",
            position=0
        )
        print("✓ PromptResponse model works")

        # Test PoolStatsResponse
        pool_stats = PoolStatsResponse(
            total_prompts=10,
            prompts_per_session=6,
            target_pool_size=20,
            available_sessions=1,
            needs_refill=True
        )
        print("✓ PoolStatsResponse model works")

        # Test HistoryStatsResponse
        history_stats = HistoryStatsResponse(
            total_prompts=5,
            history_capacity=60,
            available_slots=55,
            is_full=False
        )
        print("✓ HistoryStatsResponse model works")

        # Test FeedbackWord
        feedback_word = FeedbackWord(
            key="feedback00",
            word="creativity",
            weight=5
        )
        print("✓ FeedbackWord model works")

        return True

    except Exception as e:
        print(f"✗ Models error: {e}")
        return False

def test_api_structure():
    """Test API endpoint structure."""
    print("\nTesting API structure...")

    try:
        from fastapi import FastAPI
        from app.api.v1.api import api_router

        app = FastAPI()
        app.include_router(api_router, prefix="/api/v1")

        # Check routes
        routes = []
        for route in app.routes:
            if hasattr(route, 'path'):
                routes.append(route.path)

        expected_routes = [
            '/api/v1/prompts/draw',
            '/api/v1/prompts/fill-pool',
            '/api/v1/prompts/stats',
            '/api/v1/prompts/history/stats',
            '/api/v1/prompts/history',
            '/api/v1/prompts/select/{prompt_index}',
            '/api/v1/feedback/generate',
            '/api/v1/feedback/rate',
            '/api/v1/feedback/current',
            '/api/v1/feedback/history'
        ]

        print("✓ API router integrated successfully")
        print(f"✓ Found {len(routes)} routes")

        # Check for key routes
        for expected_route in expected_routes:
            if any(expected_route in route for route in routes):
                print(f"✓ Route found: {expected_route}")
            else:
                print(f"⚠ Route not found: {expected_route}")

        return True

    except Exception as e:
        print(f"✗ API structure error: {e}")
        return False

def main():
    """Run all tests."""
    print("=" * 60)
    print("Daily Journal Prompt Generator - Backend API Test")
    print("=" * 60)

    tests = [
        ("Imports", test_imports),
        ("Configuration", test_config),
        ("Data Service", test_data_service),
        ("Models", test_models),
        ("API Structure", test_api_structure),
    ]

    results = []

    for test_name, test_func in tests:
        print(f"\n{test_name}:")
        print("-" * 40)
        success = test_func()
        results.append((test_name, success))

    print("\n" + "=" * 60)
    print("Test Summary:")
    print("=" * 60)

    all_passed = True
    for test_name, success in results:
        status = "✓ PASS" if success else "✗ FAIL"
        print(f"{test_name:20} {status}")
        if not success:
            all_passed = False

    print("\n" + "=" * 60)
    if all_passed:
        print("All tests passed! 🎉")
        print("Backend API structure is ready.")
    else:
        print("Some tests failed. Please check the errors above.")

    return all_passed

if __name__ == "__main__":
    success = main()
    sys.exit(0 if success else 1)