import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent.parent))

import json
from src.mcp.mem import ConvoStore
from src.tools.case_tools import CaseTools


def test_conv_store():
    store = ConvoStore()
    
    test_session = "CASE_SESSION_001"
    
    store.add_conv(
        session_id=test_session,
        user_msg="这个案件的原告是谁？",
        ai_msg="根据案件文档，原告是张三。",
        metadata={"case_id": "CASE_001"}
    )
    
    store.add_conv(
        session_id=test_session,
        user_msg="借款金额是多少？",
        ai_msg="借款本金为50万元，约定年利率10%。",
        metadata={"case_id": "CASE_001"}
    )
    
    store.add_conv(
        session_id=test_session,
        user_msg="被告的答辩意见是什么？",
        ai_msg="被告称该笔款项为合伙投资款，非借款，并称借条系伪造。",
        metadata={"case_id": "CASE_001"}
    )
    
    print(f"   对话存储成功")
    print(f"   会话ID: {test_session}")
    print(f"   对话轮数: 3")
    return True


def test_conv_search():

    store = ConvoStore()
    test_session = "CASE_SESSION_001"
    
    queries = [
        "原告信息",
        "借了多少钱",
        "被告怎么说"
    ]
    
    for query in queries:
        results = store.search_conv(
            session_id=test_session,
            query=query,
            limit=2
        )
        
        print(f"\n   查询: {query}")
        print(f"   结果数: {len(results)}")
        
        if results:
            print(f"   最高相关度: {results[0]['score']:.3f}")
            print(f"   匹配对话: Q: {results[0]['user'][:30]}...")
        
        assert len(results) > 0
    
    print(f"\n 检索成功")
    return True


def test_conv_all():
    
    store = ConvoStore()
    test_session = "CASE_SESSION_001"
    
    all_convs = store.get_all_conv(
        session_id=test_session,
        limit=100
    )
    
    print(f"   会话获取成功")
    print(f"   会话ID: {test_session}")
    print(f"   对话总数: {len(all_convs)}")
    
    if all_convs:
        print(f"\n   最近对话:")
        for i, conv in enumerate(all_convs[:2], 1):
            print(f"   {i}. Q: {conv['user_msg'][:40]}...")
            print(f"      A: {conv['ai_msg'][:40]}...")
    
    assert len(all_convs) >= 3
    return True

def test_case_tools_metadata():

    tools = CaseTools()
    result = tools.get_case_metadata("CASE_001")
    
    print(f"   查询完成")
    print(f"   案件ID: CASE_001")
    
    if "error" in result:
        print(f"   状态: {result['error']}")
        print(f"   说明: {result.get('description', '')}")
    else:
        print(f"   文档数: {result.get('doc_cnt', 0)}")
        print(f"   片段数: {result.get('chunk_cnt', 0)}")
        print(f"   状态: {result.get('status', '')}")
  
    assert isinstance(result, dict)
    return True


def test_build_rag_prompt():
    tools = CaseTools()
    
    mock_context = """<documents>
<document index="1" source="complaint.txt">
原告: 张三
被告: 李四
借款金额: 50万元
</document>
<document index="2" source="defense.txt">
被告答辩: 该笔款项为合伙投资款
</document>
</documents>"""
    
    result = tools.build_rag_prompt(
        query="原告和被告分别是谁？",
        context=mock_context,
        session_id="CASE_SESSION_001",
        max_history=2
    )
    
    print(f"   prompt构建成功")
    print(f"   消息总数: {result['prompt_stats']['total_messages']}")
    print(f"   包含上下文: {result['prompt_stats']['has_context']}")
    print(f"   包含历史: {result['prompt_stats']['has_history']}")
    print(f"   历史来源: {result['prompt_stats']['history_source']}")
    print(f"   历史轮数: {result['prompt_stats']['history_length']}")
    
    assert len(result['messages']) > 0
    assert result['prompt_stats']['has_context']
    return True

def test_cleanup():
    store = ConvoStore()
    test_session = "CASE_SESSION_001"

    all_convs = store.get_all_conv(session_id=test_session, limit=1000)
    print(f"   清理前对话数: {len(all_convs)}")
    
    count = store.delete_by_session(test_session)
    
    print(f"   清理完成")
    print(f"   测试会话: {test_session}")
    print(f"   删除对话数: {count}")
    
    remaining = store.get_all_conv(session_id=test_session, limit=1000)
    print(f"   清理后对话数: {len(remaining)}")
    
    assert len(remaining) == 0
    
    return True


def run_all_tests():
    print("\n" + "="*60)
    print("MCP 测试")
    print("="*60)
    
    tests = [
        ("对话存储", test_conv_store),
        ("对话检索", test_conv_search),
        ("获取全部对话", test_conv_all),
        ("获取案件元数据", test_case_tools_metadata),
        ("构建 RAG Prompt", test_build_rag_prompt),
        ("清理测试数据", test_cleanup)
    ]
    
    passed = 0
    failed = 0
    
    for name, test_func in tests:
        if test_func():
            passed += 1
        else:
            failed += 1
            print(f"\n 测试失败: {name}")
    
    print("\n" + "="*60)
    print(f"结果: {passed} 通过, {failed} 失败")
    print("="*60)
    
    return failed == 0


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