"""视频分享相关 schemas."""

from __future__ import annotations

from datetime import datetime
from typing import List, Optional

from pydantic import BaseModel, Field


class CreateShareRequest(BaseModel):
    """创建分享请求."""

    password: Optional[str] = Field(
        None,
        description="访问密码（可选，不设置则无需密码）",
        min_length=0,
        max_length=50,
    )
    expires_at: Optional[datetime] = Field(
        None,
        description="过期时间（可选，不设置则永久有效）",
    )


class UpdateShareRequest(BaseModel):
    """更新分享配置请求."""

    password: Optional[str] = Field(
        None,
        description="新密码（传空字符串清除密码，不传则不修改）",
        max_length=50,
    )
    expires_at: Optional[datetime] = Field(
        None,
        description="新的过期时间（不传则不修改）",
    )


class VerifySharePasswordRequest(BaseModel):
    """验证分享密码请求."""

    password: str = Field(..., description="访问密码")


class ShareResponse(BaseModel):
    """分享记录响应."""

    id: str
    video_id: str
    share_token: str
    has_password: bool = False
    expires_at: Optional[datetime] = None
    view_count: int = 0
    download_count: int = 0
    is_active: bool = True
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None


class ShareListResponse(BaseModel):
    """分享列表响应."""

    items: List[ShareResponse]
    total: int = 0
    skip: int = 0
    limit: int = 20


class ShareAccessResponse(BaseModel):
    """分享访问成功响应（含视频信息）."""

    share: ShareResponse
    video_name: str
    video_duration: float = 0.0
    video_size: int = 0
    thumbnail_url: Optional[str] = None
    download_url: Optional[str] = None
    password_verified: bool = True


class ShareMetaResponse(BaseModel):
    """分享元信息响应（访问前获取，用于判断是否需要密码）。"""

    share_token: str
    has_password: bool = False
    is_expired: bool = False
    is_active: bool = True
    video_name: str = ""
    video_duration: float = 0.0
    thumbnail_url: Optional[str] = None
    created_at: Optional[datetime] = None