"""
对话式 Agent 的命令行入口
支持交互式对话
"""

import argparse
import asyncio
import logging
import sys
from typing import Dict, Any, Optional, List

from typing import Dict, Any, Optional, List

# Handle imports with both relative and absolute paths
try:
    from .main import JournalOrganizerAgent
    from .conversation import ConversationalAgent
except ImportError:
    # Fallback to absolute imports when running as script
    from main import JournalOrganizerAgent
    from conversation import ConversationalAgent


class ChatInterface:
    """对话式 Agent 的命令行界面"""

    def __init__(self, config_file: Optional[str] = None) -> None:
        """
        初始化聊天界面

        Args:
            config_file: 配置文件路径
        """
        self.logger: logging.Logger = logging.getLogger("ChatInterface")

        # 初始化 Agent
        self.journal_agent: JournalOrganizerAgent = JournalOrganizerAgent(config_file)
        self.conversational_agent: ConversationalAgent = ConversationalAgent(
            self.journal_agent.agent, self.journal_agent.config
        )

    async def run_interactive(self) -> None:
        """
        运行交互式对话
        """
        print(f"\n{'='*60}")
        print("Obsidian 智能日记整理 Agent - 对话模式")
        print(f"{'='*60}\n")

        # 显示欢迎消息
        welcome_msg = await self.conversational_agent.initialize()
        print(f"\n🤖 助手: {welcome_msg}\n")

        # 交互循环
        while True:
            try:
                # 获取用户输入
                user_input: str = input("👤 您: ").strip()

                if not user_input:
                    continue

                # 处理特殊命令
                if user_input.lower() in ["exit", "quit", "退出"]:
                    print("\n👋 再见！\n")
                    break

                if user_input.lower() in ["help", "帮助"]:
                    self._show_help()
                    continue

                if user_input.lower() in ["history", "历史"]:
                    self._show_history()
                    continue

                if user_input.lower() in ["status", "状态"]:
                    self._show_status()
                    continue

                if user_input.lower() in ["clear", "清除"]:
                    self.conversational_agent.clear_history()
                    print("\n✓ 对话历史已清除\n")
                    continue

                # 处理用户消息
                print("\n⏳ 处理中...\n")
                response = await self.conversational_agent.chat(user_input)

                # 显示响应
                print(f"🤖 助手: {response.message}")

                # 显示建议
                if response.suggestions:
                    print("\n💡 您可以尝试:")
                    for i, suggestion in enumerate(response.suggestions, 1):
                        print(f"   {i}. {suggestion}")

                print()

            except KeyboardInterrupt:
                print("\n\n👋 再见！\n")
                break

            except Exception as e:
                self.logger.error(f"错误: {str(e)}", exc_info=True)
                print(f"\n❌ 发生错误: {str(e)}\n")

    async def run_single_query(self, query: str) -> None:
        """
        运行单个查询

        Args:
            query: 用户查询
        """
        # 初始化
        await self.conversational_agent.initialize()

        # 处理查询
        response = await self.conversational_agent.chat(query)

        # 输出结果
        output_data: Dict[str, Any] = {
            "message": response.message,
            "status": response.status,
            "suggestions": response.suggestions,
            "metadata": response.metadata,
        }
        print(json.dumps(output_data, ensure_ascii=False, indent=2))

    def _show_help(self) -> None:
        """
        显示帮助信息
        """
        help_text = """
🆘 可用命令:

对话命令:
  - 直接输入您的需求，例如: "整理今天的日记"
  - "分析本周的主题"
  - "导出月度总结"

系统命令:
  - help / 帮助      显示此帮助信息
  - history / 历史   显示对话历史
  - status / 状态    显示当前状态
  - clear / 清除     清除对话历史
  - exit / quit / 退出  退出程序

示例对话:
  👤 您: 帮我整理一下昨天的日记
  🤖 助手: 好的，我来帮您整理昨天的日记...
  
  👤 您: 分析一下这周的主题
  🤖 助手: 这周的主题主要集中在...
"""
        print(help_text)

    def _show_history(self) -> None:
        """
        显示对话历史
        """
        history: List[
            Dict[str, str]
        ] = self.conversational_agent.get_conversation_history()

        if not history:
            print("\n📭 对话历史为空\n")
            return

        print("\n📜 对话历史:\n")
        for msg in history:
            role: str = "👤 您" if msg["role"] == "user" else "🤖 助手"
            content: str = msg["content"]
            if len(content) > 100:
                content = f"{content[:100]}..."
            print(f"{role}: {content}")
        print()

    def _show_status(self) -> None:
        """
        显示当前状态
        """
        summary: Dict[str, Any] = self.conversational_agent.get_state_summary()

        print("\n📊 当前状态:\n")
        print(f"总消息数: {summary['total_messages']}")
        print(f"总任务数: {summary['stats']['total_tasks']}")
        print(f"成功任务: {summary['stats']['successful_tasks']}")
        print(f"失败任务: {summary['stats']['failed_tasks']}")

        if summary["current_task"]:
            print(f"\n当前任务: {summary['current_task']['command']}")
            print(f"状态: {summary['current_task']['status']}")

        print()


async def main() -> Optional[int]:
    """
    主函数
    """
    parser: argparse.ArgumentParser = argparse.ArgumentParser(
        description="Obsidian 智能日记整理 Agent - 对话模式",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
示例:
  # 启动交互式对话
  python -m journal_organizer.chat_main
  
  # 处理单个查询
  python -m journal_organizer.chat_main --query "整理今天的日记"
  
  # 使用指定配置文件
  python -m journal_organizer.chat_main --config /path/to/config.yaml
        """,
    )

    parser.add_argument("--config", type=str, help="配置文件路径")

    parser.add_argument("--query", type=str, help="单个查询（不进入交互模式）")

    parser.add_argument(
        "--log-level",
        type=str,
        default="INFO",
        choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
        help="日志级别",
    )

    args: argparse.Namespace = parser.parse_args()

    # 设置日志
    logging.basicConfig(
        level=getattr(logging, args.log_level),
        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
    )

    # 初始化聊天界面
    chat: ChatInterface = ChatInterface(args.config)

    # 运行
    if args.query:
        # 单个查询模式
        await chat.run_single_query(args.query)
    else:
        # 交互模式
        await chat.run_interactive()

    return None


if __name__ == "__main__":
    exit_code: Optional[int] = asyncio.run(main())
    sys.exit(exit_code or 0)