from pydantic import BaseModel, Field, field_validator


class TodoCreate(BaseModel):
    title: str = Field(..., min_length=1, max_length=100)


class TodoUpdate(BaseModel):
    title: str | None = Field(default=None, min_length=1, max_length=100)
    done: bool | None = None


class Todo(BaseModel):
    id: int
    title: str
    done: bool = False


class UserCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=80)
    phone: str = Field(..., min_length=5, max_length=20, pattern=r"^[0-9+\-\s]+$")
    nickname: str | None = Field(default=None, max_length=60)
    avatar: str | None = Field(default=None, max_length=300)
    is_admin: bool = False
    total_spent: float = Field(default=0, ge=0)


class UserUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=80)
    phone: str | None = Field(default=None, min_length=5, max_length=20, pattern=r"^[0-9+\-\s]+$")
    nickname: str | None = Field(default=None, max_length=60)
    avatar: str | None = Field(default=None, max_length=300)
    is_admin: bool | None = None
    total_spent: float | None = Field(default=None, ge=0)


class User(BaseModel):
    id: int
    registered_at: str
    name: str
    phone: str | None = None
    nickname: str | None = None
    avatar: str | None = None
    is_admin: bool = False
    total_spent: float = 0


class AuthUser(BaseModel):
    id: int
    username: str
    name: str
    is_admin: bool = False


class CaptchaResponse(BaseModel):
    captcha_id: str
    challenge: str
    expires_in: int


class LoginRequest(BaseModel):
    username: str = Field(..., min_length=1, max_length=80)
    password: str = Field(..., min_length=1, max_length=128)
    captcha_id: str | None = Field(default=None, max_length=80)
    captcha_code: str | None = Field(default=None, max_length=20)


class LoginResponse(BaseModel):
    expires_in: int
    user: AuthUser
    requires_second_verification: bool = False
    security_notice: str | None = None


class TempleCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=100)
    location: str | None = Field(default=None, max_length=160)
    contact_phone: str | None = Field(default=None, max_length=30)
    description: str | None = Field(default=None, max_length=500)
    is_active: bool = True


class TempleUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=100)
    location: str | None = Field(default=None, max_length=160)
    contact_phone: str | None = Field(default=None, max_length=30)
    description: str | None = Field(default=None, max_length=500)
    is_active: bool | None = None


class Temple(BaseModel):
    id: int
    name: str
    location: str | None = None
    contact_phone: str | None = None
    description: str | None = None
    is_active: bool = True


class ProductSpec(BaseModel):
    name: str = Field(..., min_length=1, max_length=80)
    price: float = Field(default=0, ge=0)
    stock: int = Field(default=0, ge=0)
    sort_order: int = Field(default=0, ge=0)
    is_chaodu: bool = False


class ProductBase(BaseModel):
    name: str = Field(..., min_length=1, max_length=120)
    alias: str | None = Field(default=None, max_length=80)
    description: str | None = Field(default=None, max_length=500)
    payment_button_name: str = Field(default="立即支付", min_length=1, max_length=30)
    donation_button_name: str = Field(default="随喜", min_length=1, max_length=30)
    sort_order: int = Field(default=0, ge=0)
    show_participant_count: bool = False
    cover_image: str | None = Field(default=None, max_length=500)
    images: list[str] = Field(default_factory=list, max_length=10)
    listed_at: str | None = Field(default=None, max_length=30)
    sale_starts_at: str | None = Field(default=None, max_length=30)
    sale_ends_at: str | None = Field(default=None, max_length=30)
    delisted_at: str | None = Field(default=None, max_length=30)
    show_countdown: bool = False
    show_on_home: bool = False
    specs: list[ProductSpec] = Field(default_factory=list)
    details_html: str | None = None
    share_title: str | None = Field(default=None, max_length=120)
    share_description: str | None = Field(default=None, max_length=300)
    share_image: str | None = Field(default=None, max_length=500)
    merit_certificate_reserved: bool = False
    auto_process: bool = False
    is_active: bool = True
    sales_count: int = Field(default=0, ge=0)

    @field_validator("images")
    @classmethod
    def validate_images_count(cls, value: list[str]) -> list[str]:
        if len(value) > 10:
            raise ValueError("Product images cannot exceed 10")
        return value


class ProductCreate(ProductBase):
    pass


class ProductUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=120)
    alias: str | None = Field(default=None, max_length=80)
    description: str | None = Field(default=None, max_length=500)
    payment_button_name: str | None = Field(default=None, min_length=1, max_length=30)
    donation_button_name: str | None = Field(default=None, min_length=1, max_length=30)
    sort_order: int | None = Field(default=None, ge=0)
    show_participant_count: bool | None = None
    cover_image: str | None = Field(default=None, max_length=500)
    images: list[str] | None = Field(default=None, max_length=10)
    listed_at: str | None = Field(default=None, max_length=30)
    sale_starts_at: str | None = Field(default=None, max_length=30)
    sale_ends_at: str | None = Field(default=None, max_length=30)
    delisted_at: str | None = Field(default=None, max_length=30)
    show_countdown: bool | None = None
    show_on_home: bool | None = None
    specs: list[ProductSpec] | None = None
    details_html: str | None = None
    share_title: str | None = Field(default=None, max_length=120)
    share_description: str | None = Field(default=None, max_length=300)
    share_image: str | None = Field(default=None, max_length=500)
    merit_certificate_reserved: bool | None = None
    auto_process: bool | None = None
    is_active: bool | None = None
    sales_count: int | None = Field(default=None, ge=0)

    @field_validator("images")
    @classmethod
    def validate_images_count(cls, value: list[str] | None) -> list[str] | None:
        if value is not None and len(value) > 10:
            raise ValueError("Product images cannot exceed 10")
        return value


class Product(BaseModel):
    id: int
    temple_id: int
    name: str
    alias: str | None = None
    description: str | None = None
    payment_button_name: str = "立即支付"
    donation_button_name: str = "随喜"
    sort_order: int = 0
    show_participant_count: bool = False
    cover_image: str | None = None
    images: list[str] = Field(default_factory=list)
    listed_at: str | None = None
    sale_starts_at: str | None = None
    sale_ends_at: str | None = None
    delisted_at: str | None = None
    show_countdown: bool = False
    show_on_home: bool = False
    specs: list[ProductSpec] = Field(default_factory=list)
    details_html: str | None = None
    share_title: str | None = None
    share_description: str | None = None
    share_image: str | None = None
    merit_certificate_reserved: bool = False
    auto_process: bool = False
    is_active: bool = True
    sales_count: int = 0
    status: str


class UploadResponse(BaseModel):
    url: str
    object_key: str


class RitualServiceCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=120)
    description: str | None = Field(default=None, max_length=500)
    price: float = Field(default=0, ge=0)
    is_active: bool = True


class RitualServiceUpdate(BaseModel):
    name: str | None = Field(default=None, min_length=1, max_length=120)
    description: str | None = Field(default=None, max_length=500)
    price: float | None = Field(default=None, ge=0)
    is_active: bool | None = None


class RitualService(BaseModel):
    id: int
    temple_id: int
    name: str
    description: str | None = None
    price: float = 0
    is_active: bool = True


class OrderCreate(BaseModel):
    customer_name: str = Field(..., min_length=1, max_length=80)
    customer_phone: str | None = Field(default=None, max_length=30)
    order_type: str = Field(default="product", pattern=r"^(product|ritual)$")
    item_name: str = Field(..., min_length=1, max_length=120)
    amount: float = Field(default=0, ge=0)
    status: str = Field(default="pending", pattern=r"^(pending|paid|completed|cancelled)$")


class OrderUpdate(BaseModel):
    customer_name: str | None = Field(default=None, min_length=1, max_length=80)
    customer_phone: str | None = Field(default=None, max_length=30)
    order_type: str | None = Field(default=None, pattern=r"^(product|ritual)$")
    item_name: str | None = Field(default=None, min_length=1, max_length=120)
    amount: float | None = Field(default=None, ge=0)
    status: str | None = Field(default=None, pattern=r"^(pending|paid|completed|cancelled)$")


class Order(BaseModel):
    id: int
    temple_id: int
    customer_name: str
    customer_phone: str | None = None
    order_type: str
    item_name: str
    amount: float = 0
    status: str
    created_at: str


class WeChatJSAPIPayRequest(BaseModel):
    order_id: int
    openid: str = Field(..., min_length=1, max_length=128)
    description: str | None = Field(default=None, max_length=127)


class WeChatJSAPIPayResponse(BaseModel):
    appId: str
    timeStamp: str
    nonceStr: str
    package: str
    signType: str
    paySign: str
    out_trade_no: str
    prepay_id: str