"""API 请求/响应模型（Pydantic）。"""

from __future__ import annotations

from pydantic import BaseModel, Field, model_validator


# ---------- 平台 ----------

class PlatformBase(BaseModel):
    provider_id: str = Field(min_length=1, max_length=64)
    name: str = Field(min_length=1, max_length=64)
    currency: str | None = Field(default=None, min_length=1, max_length=16)
    icon: str | None = Field(default=None, max_length=64)
    interval_seconds: int | None = Field(default=None, ge=10)
    retry_count: int | None = Field(default=None, ge=0, le=10)
    timeout_seconds: int | None = Field(default=None, ge=1, le=120)
    enabled: bool = True
    note: str = Field(default="", max_length=200)


class PlatformCreate(PlatformBase):
    pass


class PlatformUpdate(BaseModel):
    provider_id: str | None = Field(default=None, min_length=1, max_length=64)
    name: str | None = Field(default=None, min_length=1, max_length=64)
    currency: str | None = Field(default=None, max_length=16)
    icon: str | None = Field(default=None, max_length=64)
    interval_seconds: int | None = Field(default=None, ge=10)
    retry_count: int | None = Field(default=None, ge=0, le=10)
    timeout_seconds: int | None = Field(default=None, ge=1, le=120)
    enabled: bool | None = None
    note: str | None = Field(default=None, max_length=200)


# ---------- 账号 ----------

class AccountCreate(BaseModel):
    platform_id: int
    name: str = Field(min_length=1, max_length=64)
    api_key: str = Field(min_length=1)
    threshold: float = Field(default=0, ge=0)
    enabled: bool = True
    note: str = Field(default="", max_length=200)


class AccountUpdate(BaseModel):
    platform_id: int | None = None
    name: str | None = Field(default=None, min_length=1, max_length=64)
    api_key: str | None = Field(default=None, min_length=1)
    threshold: float | None = Field(default=None, ge=0)
    enabled: bool | None = None
    note: str | None = Field(default=None, max_length=200)

    @model_validator(mode="after")
    def _at_least_one(self) -> "AccountUpdate":
        fields = self.model_fields_set
        if not fields:
            raise ValueError("至少需要提供一个字段")
        return self


# ---------- 系统 ----------

class LoginRequest(BaseModel):
    password: str


class SettingsUpdate(BaseModel):
    global_interval_seconds: int | None = Field(default=None, ge=10, le=86400)
    retry_count: int | None = Field(default=None, ge=0, le=10)
    timeout_seconds: int | None = Field(default=None, ge=1, le=120)
    max_workers: int | None = Field(default=None, ge=1, le=64)
    telegram_bot_token: str | None = None
    telegram_chat_id: str | None = None


class PasswordChange(BaseModel):
    old_password: str
    new_password: str = Field(min_length=4)