// All `id` fields come from backend snowflake int64.
// Frontend stores them as strings to avoid JS number precision issues.

export type SnowflakeId = string

export type UserRole = "consumer" | "player" | "owner" | "admin"
export type VerificationStatus = "pending" | "approved" | "rejected"

export interface User {
  id: SnowflakeId
  username: string
  email?: string
  nickname: string
  avatar: string
  role: UserRole
  verifiedRoles?: UserRole[]
  verificationStatus?: Partial<Record<UserRole, VerificationStatus>>
  phone?: string
  bio?: string
  createdAt: string
}

export interface Game {
  id: SnowflakeId
  name: string
  icon: string
  category: "MOBA" | "FPS" | "动作" | "RPG"
}

export interface PlayerService {
  id: SnowflakeId
  playerId: SnowflakeId
  gameId: SnowflakeId
  gameName: string
  title: string
  description: string
  price: number
  unit: string
  rankRange?: string
  availability: string[]
}

export interface Player {
  id: SnowflakeId
  user: User
  rating: number
  totalOrders: number
  completionRate: number
  status: "available" | "busy" | "offline"
  games: string[]
  services: PlayerService[]
  shopId?: SnowflakeId
  shopName?: string
  tags: string[]
}

export interface Shop {
  id: SnowflakeId
  owner: User
  name: string
  banner?: string
  description: string
  rating: number
  totalOrders: number
  playerCount: number
  commissionType: "fixed" | "percentage"
  commissionValue: number
  allowMultiShop: boolean
  allowIndependentOrders: boolean
  dispatchMode: "manual" | "auto"
  announcements: string[]
  templateConfig: ShopTemplateConfig
}

export interface ShopTemplateConfig {
  sections: ShopSection[]
}

export interface ShopSection {
  type: "banner" | "intro" | "services" | "players" | "announcements" | "reviews"
  enabled: boolean
  order: number
}

export type OrderStatus =
  | "pending_payment"
  | "pending_accept"
  | "in_progress"
  | "pending_close"
  | "pending_review"
  | "disputed"
  | "completed"
  | "cancelled"

export interface Order {
  id: SnowflakeId
  consumerId: SnowflakeId
  consumerName: string
  playerId: SnowflakeId
  playerName: string
  shopId?: SnowflakeId
  shopName?: string
  service: PlayerService
  status: OrderStatus
  totalPrice: number
  note?: string
  createdAt: string
  acceptedAt?: string
  closedAt?: string
  completedAt?: string
}

export interface Review {
  id: SnowflakeId
  orderId: SnowflakeId
  fromUserId: SnowflakeId
  fromUserName: string
  fromUserAvatar: string
  toUserId: SnowflakeId
  rating: number
  content?: string
  sealed: boolean
  createdAt: string
}

export interface Dispute {
  id: SnowflakeId
  orderId: SnowflakeId
  initiatorId: SnowflakeId
  initiatorName: string
  reason: string
  evidence: string[]
  status: "open" | "reviewing" | "resolved" | "appealed"
  result?: "full_refund" | "full_payment" | "partial_refund"
  createdAt: string
}

interface BaseChatSession {
  id: SnowflakeId
  participants: { id: SnowflakeId; name: string; avatar: string }[]
  lastMessage?: string
  lastMessageAt?: string
  unreadCount: number
  readonly: boolean
}

export interface OrderChatSession extends BaseChatSession {
  type: "order"
  orderId: SnowflakeId
}

export interface ConsultationChatSession extends BaseChatSession {
  type: "consultation"
  orderId?: never
}

export type ChatSession = OrderChatSession | ConsultationChatSession

export interface ChatMessage {
  id: SnowflakeId
  sessionId: SnowflakeId
  senderId: SnowflakeId
  senderName: string
  senderAvatar: string
  type: "text" | "image" | "system"
  content: string
  createdAt: string
}

export interface Post {
  id: SnowflakeId
  author: User
  authorRole: UserRole
  title: string
  content: string
  images: string[]
  tags: string[]
  linkedOrderId?: SnowflakeId
  quotedPostId?: SnowflakeId
  likeCount: number
  commentCount: number
  liked: boolean
  pinned: boolean
  createdAt: string
}

export interface Comment {
  id: SnowflakeId
  postId: SnowflakeId
  author: User
  content: string
  likeCount: number
  liked: boolean
  createdAt: string
}

export interface Notification {
  id: SnowflakeId
  type: "order" | "community" | "system"
  title: string
  content: string
  read: boolean
  link?: string
  createdAt: string
}

export interface WalletTransaction {
  id: SnowflakeId
  type: "topup" | "payment" | "income" | "withdrawal" | "refund"
  amount: number
  description: string
  createdAt: string
}

export interface Favorite {
  id: SnowflakeId
  userId: SnowflakeId
  targetType: "player" | "shop"
  targetId: SnowflakeId
  createdAt: string
}