from fastapi import Query
from pydantic import BaseModel, ConfigDict, Field, field_validator

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


class PositionCreateSchema(BaseModel):
    """岗位创建模型"""

    name: str = Field(..., min_length=1, max_length=64, description="岗位名称")
    code: str = Field(..., min_length=1, max_length=64, description="岗位编码")
    order: int = Field(default=1, ge=0, description="显示排序")
    status: int = Field(default=0, ge=0, le=1, description="状态(0:正常 1:禁用)")
    description: str | None = Field(default=None, max_length=255, description="描述")

    @field_validator("name")
    @classmethod
    def _validate_name(cls, v: str) -> str:
        v = v.strip()
        if not v:
            raise ValueError("岗位名称不能为空")
        return v

    @field_validator("code")
    @classmethod
    def _validate_code(cls, v: str) -> str:
        v = v.strip()
        if not v:
            raise ValueError("岗位编码不能为空")
        return v

    @field_validator("status")
    @classmethod
    def _validate_status(cls, v: int) -> int:
        if v not in {0, 1}:
            raise ValueError("状态仅支持 0(正常) 或 1(禁用)")
        return v


class PositionUpdateSchema(PositionCreateSchema):
    """岗位更新模型"""


class PositionOutSchema(PositionCreateSchema, BaseSchema, UserBySchema):
    """岗位信息响应模型"""

    model_config = ConfigDict(from_attributes=True)


class PositionQueryParam:
    """岗位管理查询参数"""

    def __init__(
        self,
        name: str | None = Query(None, description="岗位名称"),
        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.name = (QueueEnum.like.value, name)
        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)