# -*- coding: utf-8 -*-

from typing import Optional
from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator

from app.core.base_schema import BaseSchema


class ApplicationCreateSchema(BaseModel):
    """应用创建模型"""
    name: str = Field(..., max_length=64, description='应用名称')
    access_url: str = Field(..., max_length=255, description="访问地址")
    icon_url: Optional[str] = Field(None, max_length=300, description="应用图标URL")
    status: bool = Field(True, description="是否启用(True:启用 False:禁用)")
    description: Optional[str] = Field(default=None, max_length=255, description="描述")

    @model_validator(mode="before")
    @classmethod
    def _normalize(cls, data):
        """模型级前置处理：去除首尾空格，空字符串转为 None（可选字段）。"""
        if isinstance(data, dict):
            for key in ("name", "access_url", "icon_url", "description"):
                val = data.get(key)
                if isinstance(val, str):
                    val = val.strip()
                    # 将可选字段的空字符串转换为 None
                    if key in ("icon_url", "description") and val == "":
                        val = None
                    data[key] = val
        return data

    @field_validator('name')
    @classmethod
    def _validate_name_length(cls, v: str) -> str:
        if len(v) > 64:
            raise ValueError('应用名称长度不能超过64字符')
        return v


class ApplicationUpdateSchema(ApplicationCreateSchema):
    """应用更新模型"""
    ...


class ApplicationOutSchema(ApplicationCreateSchema, BaseSchema):
    """应用响应模型"""
    model_config = ConfigDict(from_attributes=True)