"""
缓存管理Schema
"""
from datetime import date, datetime
from typing import List, Optional
from pydantic import BaseModel, Field


class CacheTaskCreate(BaseModel):
    """创建缓存任务"""
    task_name: str
    task_type: str = Field(..., description="detect_missing, detect_all_missing, cache_data, cache_all_data, sync_data, fill_missing_data, batch_fill_date")
    security_type: str = Field(..., description="stock, future, index")
    period_type: Optional[str] = Field(default="daily", description="daily, min1, min5, etc.")
    start_date: str
    end_date: str
    code_list: Optional[List[str]] = None


class MissingDateInfo(BaseModel):
    """缺失日期信息"""
    date: str
    expected: int
    actual: int
    missing_ratio: float


class MissingCodeInfo(BaseModel):
    """缺失代码信息"""
    code: str
    missing_dates: List[MissingDateInfo]


class CacheTaskResponse(BaseModel):
    """缓存任务响应"""
    id: int
    task_name: str
    task_type: str
    security_type: str
    period_type: Optional[str]
    start_date: date
    end_date: date
    status: str
    progress: float
    total_count: int
    success_count: int
    error_count: int
    error_message: Optional[str]
    created_at: datetime
    started_at: Optional[datetime]
    completed_at: Optional[datetime]
    
    class Config:
        from_attributes = True


class CacheTaskDetailResponse(BaseModel):
    """缓存任务详情响应"""
    id: int
    code: str
    trade_date: date
    expected_count: int
    actual_count: int
    is_missing: bool
    status: str
    error_message: Optional[str]
    processed_at: Optional[datetime]


class CacheTaskWithDetailsResponse(CacheTaskResponse):
    """带详情的缓存任务响应"""
    details: List[CacheTaskDetailResponse]


class CacheStatusResponse(BaseModel):
    """代码缓存状态响应"""
    code: str
    security_type: str
    period_type: str
    record_count: int
    min_date: Optional[str]
    max_date: Optional[str]
    missing_ratio: float


class DetectMissingRequest(BaseModel):
    """检测缺失数据请求"""
    security_type: str
    period_type: str = "daily"
    start_date: str
    end_date: str
    code_list: List[str]


class DetectMissingResponse(BaseModel):
    """检测缺失数据响应"""
    task_id: int
    total_codes: int
    missing_codes: List[MissingCodeInfo]


class BatchCacheRequest(BaseModel):
    """批量缓存请求"""
    security_type: str
    period_type: str = "daily"
    start_date: str
    end_date: str
    code_list: List[str]


class AllDataRequest(BaseModel):
    """一键检测/缓存所有数据请求"""
    security_type: str = Field(..., description="证券类型: stock, future")
    period_type: str = Field(default="daily", description="周期类型: daily, min1, min5, etc.")
    start_date: str = Field(..., description="开始日期 YYYYMMDD")
    end_date: str = Field(..., description="结束日期 YYYYMMDD")
    contract_type: str = Field(default="all", description="合约类型: all, main - 仅对期货有效")