from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel, ConfigDict, Field

# AI辅助生成：deepseek-v3-2，2026年3月20日

# ==========================================
# 推送时间表 (UserDeliverySchedule)
# ==========================================
class DeliveryScheduleCreate(BaseModel):
    """新增推送时间请求体，时间格式 HH:MM"""
    delivery_time: str = Field(..., pattern=r"^\d{2}:\d{2}$", description="每天推送的时间，格式 HH:MM")
    is_active: bool = Field(default=True, description="是否启用此时段")


class DeliveryScheduleUpdate(BaseModel):
    """更新推送时间请求体"""
    delivery_time: Optional[str] = Field(None, pattern=r"^\d{2}:\d{2}$")
    is_active: Optional[bool] = None


class DeliveryScheduleResponse(BaseModel):
    """推送时间响应体"""
    id: int
    user_id: int
    delivery_time: str
    is_active: bool
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)


# ==========================================
# 推送渠道端点 (UserPushEndpoint)
# ==========================================
class PushEndpointCreate(BaseModel):
    """新增推送渠道请求体"""
    channel_type: str = Field(..., max_length=50, description="渠道类型，如 EMAIL / WECHAT_BOT / TELEGRAM")
    channel_account: str = Field(..., max_length=255, description="具体接收账号（邮箱地址/Webhook等）")
    is_active: bool = Field(default=True, description="是否启用")
    priority_level: int = Field(default=1, ge=1, le=10, description="优先级，1最高")


class PushEndpointUpdate(BaseModel):
    """更新推送渠道请求体"""
    channel_account: Optional[str] = Field(None, max_length=255)
    is_active: Optional[bool] = None
    priority_level: Optional[int] = Field(None, ge=1, le=10)


class PushEndpointResponse(BaseModel):
    """推送渠道响应体"""
    id: int
    user_id: int
    channel_type: str
    channel_account: str
    is_active: bool
    priority_level: int
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)


# ==========================================
# 推送设置聚合响应（一次性返回全部推送配置）
# ==========================================
class UserDeliveryConfigResponse(BaseModel):
    """用户的完整推送配置（时间表 + 渠道列表）"""
    schedules: List[DeliveryScheduleResponse] = Field(default_factory=list)
    endpoints: List[PushEndpointResponse] = Field(default_factory=list)