from fastapi import Query
from pydantic import (
    BaseModel,
    ConfigDict,
    Field,
    field_validator,
    model_validator,
)

from app.common.enums import QueueEnum
from app.core.base_schema import BaseSchema, UserBySchema
from app.core.validator import DateTimeStr
from app.utils.xss_util import sanitize_html


class NoticeCreateSchema(BaseModel):
    """公告通知创建模型"""

    notice_title: str = Field(..., max_length=50, description="公告标题")
    notice_type: str = Field(..., description="公告类型（1通知 2公告）")
    notice_content: str = Field(..., description="公告内容")
    status: str = Field(default="0", description="是否启用(0:启用 1:禁用)")
    description: str | None = Field(default=None, max_length=255, description="描述")

    @field_validator("notice_type")
    @classmethod
    def _validate_notice_type(cls, value: str):
        if value not in {"1", "2"}:
            raise ValueError("公告类型仅支持 '1'(通知) 或 '2'(公告)")
        return value

    @field_validator("notice_content")
    @classmethod
    def _sanitize_notice_content(cls, value: str) -> str:
        return sanitize_html(value)

    @model_validator(mode="after")
    def _validate_after(self):
        if not self.notice_title.strip():
            raise ValueError("公告标题不能为空")
        if not self.notice_content.strip():
            raise ValueError("公告内容不能为空")
        return self


class NoticeUpdateSchema(NoticeCreateSchema):
    """公告通知更新模型"""


class NoticeOutSchema(NoticeCreateSchema, BaseSchema, UserBySchema):
    """公告通知响应模型"""

    model_config = ConfigDict(from_attributes=True)


class NoticeQueryParam:
    """公告通知查询参数"""

    def __init__(
        self,
        notice_title: str | None = Query(None, description="公告标题"),
        notice_type: str | None = Query(None, description="公告类型"),
        description: str | None = Query(None, description="描述"),
        status: str | None = Query(None, description="是否启用"),
        created_time: list[DateTimeStr] | None = Query(
            None,
            description="创建时间范围",
            examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"],
        ),
        updated_time: list[DateTimeStr] | None = Query(
            None,
            description="更新时间范围",
            examples=["2025-01-01 00:00:00", "2025-12-31 23:59:59"],
        ),
        created_id: int | None = Query(None, description="创建人"),
        updated_id: int | None = Query(None, description="更新人"),
    ) -> None:
        # 模糊查询字段
        self.notice_title = (QueueEnum.like.value, notice_title)
        # 精确查询字段
        self.notice_type = notice_type
        # 模糊查询字段
        if description:
            self.description = (QueueEnum.like.value, description)

        # 精确查询字段
        if status:
            self.status = (QueueEnum.eq.value, status)

        # 时间范围查询
        if created_time and len(created_time) == 2:
            self.created_time = (QueueEnum.between.value, (created_time[0], created_time[1]))
        if updated_time and len(updated_time) == 2:
            self.updated_time = (QueueEnum.between.value, (updated_time[0], updated_time[1]))

        # 关联查询字段
        if created_id:
            self.created_id = (QueueEnum.eq.value, created_id)
        if updated_id:
            self.updated_id = (QueueEnum.eq.value, updated_id)