"""Pydantic 请求/响应模型。"""
from datetime import datetime

from pydantic import BaseModel, ConfigDict


class ScreenCreate(BaseModel):
    name: str = "未命名屏幕"
    location: str = ""
    device_id: str | None = None  # 可选：预建屏幕时手动指定客户端设备 ID


class ScreenUpdate(BaseModel):
    name: str | None = None
    location: str | None = None


class ScreenOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    name: str
    device_id: str
    location: str
    status: str
    last_seen: datetime | None
    created_at: datetime


class ScreenDetail(ScreenOut):
    """屏幕详情：附带当前绑定的节目。"""

    playlist: "PlaylistOut | None" = None


class AssetOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    name: str
    type: str
    url: str
    size: int
    duration: int
    created_at: datetime


class PlaylistItemIn(BaseModel):
    asset_id: int
    duration: int | None = None  # None 表示使用素材默认时长


class PlaylistCreate(BaseModel):
    name: str
    description: str = ""
    items: list[PlaylistItemIn] = []


class PlaylistUpdate(BaseModel):
    name: str | None = None
    description: str | None = None
    items: list[PlaylistItemIn] | None = None


class PlaylistItemOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    asset_id: int
    sort_order: int
    duration: int | None
    asset: AssetOut


class PlaylistOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    name: str
    description: str
    created_at: datetime
    items: list[PlaylistItemOut] = []


class BindRequest(BaseModel):
    playlist_id: int


class LoginRequest(BaseModel):
    username: str
    password: str


class LoginResponse(BaseModel):
    token: str


# ---------------- 客户端接口模型 ----------------

class ClientRegisterRequest(BaseModel):
    device_id: str
    name: str | None = None


class ClientConfigItem(BaseModel):
    asset_id: int
    type: str  # image / video
    url: str  # 相对路径，客户端拼接服务器 base_url
    name: str
    duration: int  # 秒；视频为 0 表示按视频自身时长


class ClientConfigResponse(BaseModel):
    configured: bool  # False 表示该屏幕尚未绑定节目
    playlist_id: int | None = None
    playlist_name: str | None = None
    version: int  # 绑定更新计数，客户端可缓存判断
    items: list[ClientConfigItem] = []


class ClientHeartbeatRequest(BaseModel):
    device_id: str


class CrashReportRequest(BaseModel):
    device_id: str
    stacktrace: str


ScreenDetail.model_rebuild()