"""
讨论结果数据模型
定义讨论结果的结构
"""
from datetime import datetime
from typing import Optional, Dict, Any, List
from pydantic import Field
from beanie import Document


class DiscussionResult(Document):
    """
    讨论结果文档模型
    存储讨论的最终结果
    """
    discussion_id: str = Field(..., description="讨论唯一标识")
    room_id: str = Field(..., description="聊天室ID")
    objective: str = Field(..., description="讨论目标")
    
    # 共识结果
    consensus_reached: bool = Field(default=False, description="是否达成共识")
    confidence: float = Field(default=0.0, ge=0, le=1, description="共识置信度")
    
    # 结果摘要
    summary: str = Field(default="", description="讨论结果摘要")
    action_items: List[str] = Field(default_factory=list, description="行动项列表")
    unresolved_issues: List[str] = Field(default_factory=list, description="未解决的问题")
    key_decisions: List[str] = Field(default_factory=list, description="关键决策")
    
    # 统计信息
    total_rounds: int = Field(default=0, description="总轮数")
    total_messages: int = Field(default=0, description="总消息数")
    participating_agents: List[str] = Field(default_factory=list, description="参与的Agent列表")
    agent_contributions: Dict[str, int] = Field(
        default_factory=dict, 
        description="各Agent发言次数统计"
    )
    
    # 状态
    status: str = Field(default="in_progress", description="状态: in_progress, completed, failed")
    end_reason: str = Field(default="", description="结束原因")
    
    # 时间戳
    created_at: datetime = Field(default_factory=datetime.utcnow)
    updated_at: datetime = Field(default_factory=datetime.utcnow)
    completed_at: Optional[datetime] = Field(default=None, description="完成时间")
    
    class Settings:
        name = "discussions"
        indexes = [
            [("room_id", 1)],
            [("created_at", -1)],
        ]
    
    def mark_completed(
        self,
        consensus_reached: bool,
        confidence: float,
        summary: str,
        action_items: List[str] = None,
        unresolved_issues: List[str] = None,
        end_reason: str = "consensus"
    ) -> None:
        """
        标记讨论为已完成
        
        Args:
            consensus_reached: 是否达成共识
            confidence: 置信度
            summary: 结果摘要
            action_items: 行动项
            unresolved_issues: 未解决问题
            end_reason: 结束原因
        """
        self.consensus_reached = consensus_reached
        self.confidence = confidence
        self.summary = summary
        self.action_items = action_items or []
        self.unresolved_issues = unresolved_issues or []
        self.status = "completed"
        self.end_reason = end_reason
        self.completed_at = datetime.utcnow()
        self.updated_at = datetime.utcnow()
    
    def update_stats(
        self,
        total_rounds: int,
        total_messages: int,
        agent_contributions: Dict[str, int]
    ) -> None:
        """
        更新统计信息
        
        Args:
            total_rounds: 总轮数
            total_messages: 总消息数
            agent_contributions: Agent贡献统计
        """
        self.total_rounds = total_rounds
        self.total_messages = total_messages
        self.agent_contributions = agent_contributions
        self.participating_agents = list(agent_contributions.keys())
        self.updated_at = datetime.utcnow()
    
    class Config:
        json_schema_extra = {
            "example": {
                "discussion_id": "disc-001",
                "room_id": "product-design-room",
                "objective": "设计用户登录系统",
                "consensus_reached": True,
                "confidence": 0.85,
                "summary": "团队一致同意采用OAuth2.0 + 手机验证码的混合认证方案...",
                "action_items": [
                    "设计OAuth2.0集成方案",
                    "开发短信验证服务",
                    "编写安全测试用例"
                ],
                "unresolved_issues": [
                    "第三方登录的优先级排序"
                ],
                "total_rounds": 15,
                "total_messages": 45,
                "status": "completed"
            }
        }