"""
管理后台相关 Pydantic Schemas
"""
from pydantic import BaseModel, Field
from datetime import datetime
from typing import Optional, List


# ============ 系统配置 ============
class SystemConfigItem(BaseModel):
    """单个配置项"""
    config_key: str
    config_value: Optional[str] = None
    description: Optional[str] = None
    config_group: str = "general"
    is_secret: str = "N"
    updated_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class SystemConfigUpdate(BaseModel):
    """批量更新配置"""
    configs: dict = Field(..., description="键值对: {config_key: config_value}")


class SystemConfigResponse(BaseModel):
    """配置列表响应"""
    items: List[SystemConfigItem]


# ============ 用户管理 ============
class AdminUserResponse(BaseModel):
    """管理端用户信息"""
    id: int
    username: str
    nickname: Optional[str] = None
    phone: Optional[str] = None
    is_admin: bool = False
    created_at: datetime
    design_count: int = 0

    class Config:
        from_attributes = True


class AdminUserListResponse(BaseModel):
    """用户列表响应"""
    items: List[AdminUserResponse]
    total: int
    page: int
    page_size: int


class AdminSetAdmin(BaseModel):
    """设置管理员"""
    is_admin: bool


# ============ 品类管理 ============
class CategoryCreate(BaseModel):
    """创建品类"""
    name: str = Field(..., max_length=50)
    icon: Optional[str] = Field(None, max_length=255)
    sort_order: int = 0
    flow_type: str = Field("full", max_length=20)


class CategoryUpdate(BaseModel):
    """更新品类"""
    name: Optional[str] = Field(None, max_length=50)
    icon: Optional[str] = Field(None, max_length=255)
    sort_order: Optional[int] = None
    flow_type: Optional[str] = Field(None, max_length=20)


class SubTypeCreate(BaseModel):
    """创建子类型"""
    category_id: int
    name: str = Field(..., max_length=50)
    description: Optional[str] = Field(None, max_length=255)
    preview_image: Optional[str] = Field(None, max_length=255)
    sort_order: int = 0


class SubTypeUpdate(BaseModel):
    """更新子类型"""
    name: Optional[str] = Field(None, max_length=50)
    description: Optional[str] = Field(None, max_length=255)
    preview_image: Optional[str] = Field(None, max_length=255)
    sort_order: Optional[int] = None


class ColorCreate(BaseModel):
    """创建颜色"""
    category_id: int
    name: str = Field(..., max_length=50)
    hex_code: Optional[str] = Field(None, max_length=10)
    sort_order: int = 0


class ColorUpdate(BaseModel):
    """更新颜色"""
    name: Optional[str] = Field(None, max_length=50)
    hex_code: Optional[str] = Field(None, max_length=10)
    sort_order: Optional[int] = None


# ============ 设计管理 ============
class AdminDesignListResponse(BaseModel):
    """管理端设计列表"""
    items: list
    total: int
    page: int
    page_size: int


# ============ 提示词管理 ============
class PromptTemplateItem(BaseModel):
    """提示词模板"""
    id: Optional[int] = None
    template_key: str
    template_value: str
    description: Optional[str] = None
    updated_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class PromptTemplateUpdate(BaseModel):
    """更新提示词模板"""
    template_value: str
    description: Optional[str] = None


class PromptMappingItem(BaseModel):
    """提示词映射"""
    id: Optional[int] = None
    mapping_type: str
    cn_key: str
    en_value: str
    sort_order: int = 0
    updated_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class PromptMappingCreate(BaseModel):
    """创建提示词映射"""
    mapping_type: str
    cn_key: str
    en_value: str
    sort_order: int = 0


class PromptMappingUpdate(BaseModel):
    """更新提示词映射"""
    cn_key: Optional[str] = None
    en_value: Optional[str] = None
    sort_order: Optional[int] = None


# ============ 仪表盘 ============
class DashboardStats(BaseModel):
    """仪表盘统计"""
    total_users: int
    total_designs: int
    total_categories: int
    today_designs: int
    today_users: int