#!/usr/bin/env python3
"""
Test the Gemini tool calling configuration for document editor
"""

import os
import sys
import asyncio
from dotenv import load_dotenv

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

from agent_api import LLMConfig
from langchain_openai import ChatOpenAI
from langchain_google_genai import ChatGoogleGenerativeAI

# Load environment variables
load_dotenv(dotenv_path=".env", override=False)


async def test_llm_config():
    """Test the LLMConfig initialization and LLM types"""
    
    print("=" * 80)
    print("🧪 TESTING GEMINI TOOL CALLING CONFIGURATION")
    print("=" * 80)
    
    # Check environment configuration
    google_api_key = os.getenv("GOOGLE_API_KEY")
    gemini_model = os.getenv("GEMINI_TOOL_MODEL")
    openai_key = os.getenv("OPENAI_API_KEY")
    openai_model = os.getenv("LLM_MODEL")
    
    print(f"\n📋 Environment Configuration:")
    print(f"   GOOGLE_API_KEY: {'✅ Set' if google_api_key else '❌ Missing'}")
    print(f"   GEMINI_TOOL_MODEL: {gemini_model or '❌ Not set'}")
    print(f"   OPENAI_API_KEY: {'✅ Set' if openai_key else '❌ Missing'}")
    print(f"   LLM_MODEL: {openai_model or '❌ Not set'}")
    
    if not google_api_key or not openai_key:
        print("\n⚠️ Skipping test - required environment variables not configured")
        print("   Required: GOOGLE_API_KEY and OPENAI_API_KEY")
        return
    
    # Initialize LLMConfig
    print(f"\n🚀 Initializing LLMConfig...")
    try:
        llm_config = LLMConfig()
        print("✅ LLMConfig initialized successfully")
    except Exception as e:
        print(f"❌ Failed to initialize LLMConfig: {str(e)}")
        import traceback
        traceback.print_exc()
        return
    
    # Check LLM types
    print(f"\n🔍 LLM Types:")
    print(f"   llm_config.openai_llm type: {type(llm_config.openai_llm).__name__}")
    print(f"   llm_config.gemini_llm type: {type(llm_config.gemini_llm).__name__}")
    
    # Verify correct types
    is_openai = isinstance(llm_config.openai_llm, ChatOpenAI)
    is_gemini = isinstance(llm_config.gemini_llm, ChatGoogleGenerativeAI)
    
    print(f"\n✅ Type Verification:")
    print(f"   OpenAI LLM is ChatOpenAI: {is_openai}")
    print(f"   Gemini LLM is ChatGoogleGenerativeAI: {is_gemini}")
    
    if not is_openai or not is_gemini:
        print(f"\n❌ Type verification failed!")
        return
    
    # Test simple invocation of both LLMs
    print(f"\n🧪 Testing LLM invocation...")
    
    # Test OpenAI LLM
    try:
        print(f"\n   Testing OpenAI LLM...")
        response = await llm_config.openai_llm.ainvoke("Say 'OpenAI LLM works!'")
        print(f"   ✅ OpenAI LLM response: {response.content[:50]}...")
    except Exception as e:
        print(f"   ❌ OpenAI LLM failed: {str(e)}")
        return
    
    # Test Gemini LLM
    try:
        print(f"\n   Testing Gemini LLM...")
        response = await llm_config.gemini_llm.ainvoke("Say 'Gemini LLM works!'")
        print(f"   ✅ Gemini LLM response: {response.content[:50]}...")
    except Exception as e:
        print(f"   ❌ Gemini LLM failed: {str(e)}")
        return
    
    # Test DocumentEditorAgent initialization
    print(f"\n🧪 Testing DocumentEditorAgent initialization...")
    try:
        from agents.doc_editor import DocumentEditorAgent
        
        doc_editor = DocumentEditorAgent(
            llm=llm_config.openai_llm,
            llm_tool_calling=llm_config.gemini_llm
        )
        print(f"✅ DocumentEditorAgent initialized successfully")
        print(f"   - Uses {type(doc_editor.llm).__name__} for summary")
        print(f"   - Uses {type(doc_editor.llm_tool_calling).__name__} for tool calling")
        
        # Verify tool binding
        print(f"\n🔍 Tool binding check:")
        print(f"   - Tools count: {len(doc_editor.tools)}")
        print(f"   - Tool names: {[t.name for t in doc_editor.tools]}")
        print(f"   - Has llm_with_tools: {hasattr(doc_editor, 'llm_with_tools')}")
        
    except Exception as e:
        print(f"❌ DocumentEditorAgent initialization failed: {str(e)}")
        import traceback
        traceback.print_exc()
        return
    
    print("\n" + "=" * 80)
    print("✅ ALL TESTS PASSED")
    print("=" * 80)
    print("\n📊 Summary:")
    print("   - LLMConfig: ✅ Working")
    print("   - OpenAI LLM: ✅ Working")
    print("   - Gemini LLM: ✅ Working")
    print("   - DocumentEditorAgent: ✅ Initialized with both LLMs")
    print("   - Tool calling: ✅ Configured with Gemini")
    print("   - Summary generation: ✅ Configured with OpenAI")


if __name__ == "__main__":
    asyncio.run(test_llm_config())