from __future__ import annotations

from typing import Any

from pydantic import BaseModel, Field, field_validator

from app.enums.private_portrait import PrivatePortraitAssetType
from app.schemas.common import NaiveDatetimeOptional


class PrivatePortraitConfigOut(BaseModel):
    enabled: bool
    image_limit: int
    used_image_count: int
    remaining_image_count: int


class PrivatePortraitAdminConfigUpdate(BaseModel):
    private_portrait_image_limit: int = Field(..., ge=0, le=9999, description="0 表示关闭真人素材模块；>0 表示启用并限制图片总量")


class PrivatePortraitProjectCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=128)
    description: str | None = Field(None, max_length=2000)


class PrivatePortraitProjectUpdate(BaseModel):
    name: str | None = Field(None, min_length=1, max_length=128)
    description: str | None = Field(None, max_length=2000)
    status: str | None = None


class PrivatePortraitProjectOut(BaseModel):
    id: str
    user_id: str | None = None
    name: str
    name_slug: str | None = None
    remote_project_name: str | None = None
    description: str | None = None
    status: str
    asset_group_count: int = 0
    asset_count: int = 0
    active_asset_count: int = 0
    last_used_at: NaiveDatetimeOptional = None
    created_at: NaiveDatetimeOptional = None
    updated_at: NaiveDatetimeOptional = None

    model_config = {"from_attributes": True}


class PrivatePortraitProjectListOut(BaseModel):
    items: list[PrivatePortraitProjectOut]
    total: int
    page: int
    page_size: int


class PrivatePortraitValidateSessionCreate(BaseModel):
    callback_redirect_url: str | None = Field(None, description="认证完成后前端要跳转的页面。为空时使用后端默认回调页。")


class PrivatePortraitValidateSessionOut(BaseModel):
    id: str
    user_id: str | None = None
    project_id: str
    byted_token: str | None = None
    h5_link: str | None = None
    callback_url: str | None = None
    result_code: str | None = None
    algorithm_base_resp_code: str | None = None
    verify_type: str | None = None
    status: str
    remote_group_id: str | None = None
    remote_project_name: str | None = None
    expired_at: NaiveDatetimeOptional = None
    error_message: str | None = None
    created_at: NaiveDatetimeOptional = None
    updated_at: NaiveDatetimeOptional = None

    model_config = {"from_attributes": True}


class PrivatePortraitAssetGroupOut(BaseModel):
    id: str
    user_id: str | None = None
    project_id: str
    remote_group_id: str
    remote_group_name: str | None = None
    remote_project_name: str
    group_type: str
    status: str
    remote_delete_status: str
    remote_deleted_at: NaiveDatetimeOptional = None
    remote_delete_error: str | None = None
    created_at: NaiveDatetimeOptional = None
    updated_at: NaiveDatetimeOptional = None

    model_config = {"from_attributes": True}


class PrivatePortraitAssetCreate(BaseModel):
    url: str = Field(..., min_length=1, description="已上传到本系统且可公网访问的素材 URL")
    asset_type: str = Field(default=PrivatePortraitAssetType.IMAGE.value)
    name: str | None = Field(None, max_length=256)

    @field_validator("asset_type")
    @classmethod
    def validate_asset_type(cls, v: str) -> str:
        value = v or PrivatePortraitAssetType.IMAGE.value
        if value not in {item.value for item in PrivatePortraitAssetType}:
            raise ValueError("asset_type 仅支持 Image/Video/Audio")
        return value


class PrivatePortraitAssetOut(BaseModel):
    id: str
    user_id: str | None = None
    project_id: str
    project_name: str | None = None
    group_id: str
    remote_group_id: str
    remote_asset_id: str | None = None
    remote_project_name: str | None = None
    asset_type: str
    name: str | None = None
    source_url: str
    preview_url: str | None = None
    remote_url: str | None = None
    remote_url_expired_at: NaiveDatetimeOptional = None
    status: str
    moderation: dict[str, Any] | None = None
    last_poll_at: NaiveDatetimeOptional = None
    next_poll_at: NaiveDatetimeOptional = None
    poll_count: int = 0
    remote_delete_status: str
    remote_deleted_at: NaiveDatetimeOptional = None
    remote_delete_error: str | None = None
    error_message: str | None = None
    created_at: NaiveDatetimeOptional = None
    updated_at: NaiveDatetimeOptional = None

    model_config = {"from_attributes": True}


class PrivatePortraitAssetListOut(BaseModel):
    items: list[PrivatePortraitAssetOut]
    total: int
    page: int
    page_size: int


class PrivatePortraitSelectableAssetOut(BaseModel):
    id: str
    project_id: str
    project_name: str
    name: str | None = None
    asset_type: str
    preview_url: str | None = None
    status: str
    created_at: NaiveDatetimeOptional = None


class PrivatePortraitSelectableAssetListOut(BaseModel):
    items: list[PrivatePortraitSelectableAssetOut]
    total: int
    page: int
    page_size: int


class PrivatePortraitDeleteOut(BaseModel):
    success: bool = True
    remote_delete_status: str | None = None