"""
Pydantic 模式定义
"""
from pydantic import BaseModel, Field
from typing import Optional, List
from datetime import datetime


# ============ 公司相关 ============

class CompanyBase(BaseModel):
    """公司基础模式"""
    stock_code: str = Field(..., description="股票代码", min_length=6, max_length=6)
    company_name: Optional[str] = Field(None, description="公司名称（可选，系统自动获取）")
    short_name: Optional[str] = Field(None, description="公司简称")
    industry: Optional[str] = Field(None, description="所属行业")


class CompanyCreate(BaseModel):
    """创建公司 - 仅需股票代码"""
    stock_code: str = Field(..., description="股票代码", min_length=6, max_length=6)
    company_name: Optional[str] = Field(None, description="公司名称（可选，系统自动从巨潮获取）")
    short_name: Optional[str] = Field(None, description="公司简称")
    industry: Optional[str] = Field(None, description="所属行业")


class CompanyUpdate(BaseModel):
    """更新公司"""
    company_name: Optional[str] = None
    short_name: Optional[str] = None
    industry: Optional[str] = None
    is_active: Optional[bool] = None


class CompanyResponse(CompanyBase):
    """公司响应"""
    id: int
    org_id: Optional[str] = None
    is_active: bool
    created_at: datetime
    updated_at: datetime
    report_count: Optional[int] = 0
    
    class Config:
        from_attributes = True


# ============ 报告相关 ============

class ReportBase(BaseModel):
    """报告基础模式"""
    title: str
    report_type: Optional[str] = None
    report_year: Optional[int] = None
    report_period: Optional[str] = None


class ReportResponse(ReportBase):
    """报告响应"""
    id: int
    company_id: int
    company_name: Optional[str] = None
    stock_code: Optional[str] = None
    announcement_id: Optional[str] = None
    announcement_time: Optional[datetime] = None
    pdf_url: Optional[str] = None
    is_downloaded: bool
    is_extracted: bool
    is_analyzed: bool
    analysis_status: str
    created_at: datetime
    
    class Config:
        from_attributes = True


class ReportDetail(ReportResponse):
    """报告详情（包含提取内容和分析结果）"""
    extracted_contents: List["ExtractedContentResponse"] = []
    analysis_results: List["AnalysisResultResponse"] = []


# ============ 提取内容相关 ============

class ExtractedContentResponse(BaseModel):
    """提取内容响应"""
    id: int
    report_id: int
    section_name: Optional[str] = None
    section_keyword: Optional[str] = None
    content: Optional[str] = None
    page_start: Optional[int] = None
    page_end: Optional[int] = None
    char_count: Optional[int] = None
    created_at: datetime
    
    class Config:
        from_attributes = True


# ============ 分析结果相关 ============

class AnalysisResultResponse(BaseModel):
    """分析结果响应"""
    id: int
    report_id: int
    analysis_type: Optional[str] = None
    section_name: Optional[str] = None
    ai_model: Optional[str] = None
    summary: Optional[str] = None
    key_points: Optional[str] = None
    is_final: bool
    token_count: Optional[int] = None
    created_at: datetime
    
    class Config:
        from_attributes = True


class AnalysisRequest(BaseModel):
    """分析请求"""
    report_id: int = Field(..., description="报告ID")
    force: bool = Field(False, description="是否强制重新分析")


# ============ 任务日志相关 ============

class TaskLogResponse(BaseModel):
    """任务日志响应"""
    id: int
    task_type: Optional[str] = None
    task_name: Optional[str] = None
    status: Optional[str] = None
    message: Optional[str] = None
    error: Optional[str] = None
    started_at: datetime
    completed_at: Optional[datetime] = None
    
    class Config:
        from_attributes = True


# ============ 定时任务相关 ============

class SchedulerStatus(BaseModel):
    """定时任务状态"""
    is_running: bool
    next_run_time: Optional[datetime] = None
    interval_hours: int
    last_run_time: Optional[datetime] = None
    last_run_status: Optional[str] = None


class SchedulerConfig(BaseModel):
    """定时任务配置"""
    enabled: bool = Field(..., description="是否启用")
    interval_hours: int = Field(24, description="检查间隔(小时)", ge=1, le=168)


# ============ 通用响应 ============

class MessageResponse(BaseModel):
    """消息响应"""
    success: bool
    message: str
    data: Optional[dict] = None


class PaginatedResponse(BaseModel):
    """分页响应"""
    total: int
    page: int
    page_size: int
    items: List


# 更新前向引用
ReportDetail.model_rebuild()