/**
 * 后端 API 响应类型定义
 *
 * 与 docs/miniprogram-dev/API-contract.md 保持同步
 * 命名规则：Api + 模块 + 用途，如 ApiTaskItem / ApiNoteItem
 */

// ============================================
// 通用
// ============================================

/** 分页响应包装 */
interface ApiPaginated<T> {
  items: T[]
  total: number
  page: number
  pageSize: number
}

// ============================================
// 认证模块
// ============================================

/** AUTH-1/2: 登录响应 */
interface ApiLoginResponse {
  access_token: string
  refresh_token: string
  user: ApiUserInfo
}

/** AUTH-3: /api/xcx/me 响应 */
interface ApiUserInfo {
  user_id: number
  status: 'new' | 'pending' | 'approved' | 'rejected' | 'disabled'
  nickname: string
  role?: string
  store_name?: string
  coach_level?: string
  avatar?: string
}

/** AUTH-4: 刷新 token 响应 */
interface ApiRefreshResponse {
  access_token: string
  refresh_token: string
}

// ============================================
// 任务模块
// ============================================

/** TASK-1: 任务列表项 */
interface ApiTaskItem {
  id: string
  customer_name: string
  customer_avatar: string
  task_type: 'callback' | 'priority_recall' | 'relationship' | 'high_priority'
  task_type_label: string
  deadline: string
  heart_score: number
  hobbies: string[]
  is_pinned: boolean
  has_note: boolean
  status: 'pending' | 'completed' | 'abandoned'
}

/** TASK-1: 任务列表响应（含绩效概览） */
interface ApiTaskListResponse extends ApiPaginated<ApiTaskItem> {
  performance: {
    total_hours: number
    total_income: number
    total_customers: number
    month_label: string
  }
}

/** 维客线索 */
interface ApiRetentionClue {
  tag: string
  tag_color: 'primary' | 'success' | 'purple' | 'error'
  emoji: string
  text: string
  source: string
  desc?: string
}

/** 服务记录 */
interface ApiServiceRecord {
  table: string
  type: string
  type_class: 'basic' | 'vip' | 'tip' | 'recharge' | 'incentive'
  record_type?: 'course' | 'recharge'
  duration: number
  duration_raw?: number
  income: number
  is_estimate?: boolean
  drinks: string
  date: string
}

/** TASK-2: 任务详情响应 */
interface ApiTaskDetail extends ApiTaskItem {
  last_visit_date?: string
  last_spend_amount?: number
  days_absent?: number
  spend_trend?: 'up' | 'down' | 'flat'
  churn_risk?: 'high' | 'medium' | 'low'
  callback_reason?: string
  preferences?: string[]
  consumption_habits?: string
  social_preference?: string
  retention_clues: ApiRetentionClue[]
  talking_points: string[]
  service_summary: { total_hours: number; total_income: number; avg_income: number }
  service_records: ApiServiceRecord[]
  ai_analysis: { summary: string; suggestions: string[] }
  notes: ApiNoteItem[]
}

// ============================================
// 备注模块
// ============================================

/** NOTE-1: 备注项 */
interface ApiNoteItem {
  id: string
  content: string
  tag_type: 'customer' | 'coach' | 'system'
  tag_label: string
  created_at: string
  /** AI 应用 6 评分（1-10），星数 = ai_score ÷ 2 */
  ai_score?: number
  /** 再次服务意愿（1-5） */
  rating_service_willingness?: number
  /** 再来店可能性（1-5） */
  rating_revisit_likelihood?: number
}

// ============================================
// 绩效模块
// ============================================

/** PERF-2: 绩效明细记录 */
interface ApiPerfRecord {
  id: string
  customer_name: string
  time_range: string
  hours: number
  hours_raw?: number
  course_type: string
  course_type_class: string
  location: string
  income: number
}

/** PERF-2: 绩效明细按日期分组 */
interface ApiPerfDateGroup {
  date: string
  total_hours: number
  total_income: number
  records: ApiPerfRecord[]
}

/** PERF-2: 绩效明细响应 */
interface ApiPerfRecordsResponse {
  summary: {
    total_count: number
    total_hours: number
    total_hours_raw: number
    total_income: number
  }
  date_groups: ApiPerfDateGroup[]
  has_more: boolean
}

/** PERF-1: 绩效概览响应 */
interface ApiPerfOverview {
  total_hours: number
  total_income: number
  total_customers: number
  income_items: Array<{ label: string; amount: number; icon: string }>
  this_month_records: Array<{ customer_name: string; hours: number; income: number; date: string }>
  new_customers: Array<{ name: string; avatar_char: string }>
  regular_customers: Array<{ name: string; avatar_char: string; visits: number }>
}

// ============================================
// 客户模块
// ============================================

/** CUST-1: 客户详情响应 */
interface ApiCustomerDetail {
  id: string
  name: string
  phone: string
  phone_full: string
  avatar: string
  member_level: string
  relation_index: string
  tags: string[]
  retention_clues: ApiRetentionClue[]
  consumption_records: Array<{
    id: string
    date: string
    type: string
    type_class: string
    amount: number
    table: string
    duration: number
  }>
}

/** CUST-2: 客户服务记录响应 */
interface ApiCustomerRecordsResponse {
  customer_name: string
  customer_phone: string
  relation_index: string
  tables: Array<{ id: string; name: string }>
  records: ApiServiceRecord[]
  has_more: boolean
}

// ============================================
// 看板模块
// ============================================

/** BOARD-1: 助教看板项 */
interface ApiBoardCoachItem {
  id: string
  name: string
  avatar: string
  level: string
  level_class: string
  skills: string[]
  total_hours: number
  total_income: number
  customer_count: number
  satisfaction: number
}

/** BOARD-2: 客户看板项 */
interface ApiBoardCustomerItem {
  id: string
  name: string
  avatar: string
  tags: string[]
  total_spend: number
  visit_count: number
  last_visit: string
  relation_index: string
}

/** BOARD-3: 财务看板指标 */
interface ApiBoardFinanceMetric {
  key: string
  label: string
  value: number
  unit: string
  trend?: 'up' | 'down' | 'flat'
  sub_items?: Array<{ label: string; value: number }>
}

// ============================================
// 对话模块
// ============================================

/** CHAT-1: 对话历史项 */
interface ApiChatHistoryItem {
  id: string
  customer_name: string
  last_message: string
  last_time: string
  unread_count: number
}

/** CHAT-2: 对话消息 */
interface ApiChatMessage {
  id: string
  role: 'user' | 'assistant'
  content: string
  created_at: string
}

/** CHAT-3: 发送消息响应 */
interface ApiChatSendResponse {
  user_message: { id: string; content: string; created_at: string }
  ai_reply: { id: string; content: string; created_at: string }
}

// ============================================
// 配置模块
// ============================================

/** CONFIG-1: 技能类型 */
interface ApiSkillType {
  value: string
  text: string
  icon?: string
}