/** رویدادهای امتیازدهی — موتور پاداش فقط به همین رویدادها گوش می‌دهد */
export type GamificationEvent =
  | "LEAD_CREATED"
  | "LEAD_STAGE_CHANGED"
  | "LEAD_CONVERTED"
  | "CUSTOMER_CREATED"
  | "COMPANY_CREATED"
  | "DEAL_CREATED"
  | "DEAL_STAGE_CHANGED"
  | "DEAL_WON"
  | "DEAL_LOST"
  | "CALL_LOGGED"
  | "MEETING_CREATED"
  | "FOLLOW_UP_CREATED"
  | "NOTE_CREATED"
  | "ACTIVITY_CREATED"
  | "TASK_COMPLETED"
  | "ROUTINE_COMPLETED"
  | "QUOTE_CREATED"
  | "INVOICE_ISSUED"
  | "PAYMENT_REGISTERED"
  | "TICKET_CREATED"
  | "TICKET_RESOLVED";

export type GamificationFieldType = "number" | "string" | "boolean";

export interface GamificationFieldMeta {
  label: string;
  type: GamificationFieldType;
  /** مقادیر پیشنهادی برای فیلدهای متنی */
  options?: Array<{ value: string; label: string }>;
}

/** فیلدهای قابل استفاده در شرط‌های Rule Builder */
export const GAMIFICATION_FIELDS: Record<string, GamificationFieldMeta> = {
  amount: { label: "مبلغ", type: "number" },
  stageName: { label: "نام مرحله", type: "string" },
  source: { label: "منبع", type: "string" },
  activityType: {
    label: "نوع فعالیت",
    type: "string",
    options: [
      { value: "call", label: "تماس" },
      { value: "meeting", label: "جلسه" },
      { value: "task", label: "کار" },
      { value: "note", label: "یادداشت" },
    ],
  },
  typeName: { label: "عنوان نوع فعالیت", type: "string" },
  onTime: { label: "انجام به‌موقع", type: "boolean" },
  isMandatory: { label: "اجباری", type: "boolean" },
  priority: {
    label: "اولویت",
    type: "string",
    options: [
      { value: "very_low", label: "خیلی کم" },
      { value: "low", label: "کم" },
      { value: "medium", label: "متوسط" },
      { value: "normal", label: "عادی (تیکت)" },
      { value: "high", label: "زیاد" },
      { value: "very_high", label: "خیلی زیاد" },
      { value: "urgent", label: "فوری (تیکت)" },
    ],
  },
  hasDescription: { label: "توضیحات دارد", type: "boolean" },
  hour: { label: "ساعت انجام (۰ تا ۲۳)", type: "number" },
  weekday: { label: "روز هفته (۰=شنبه … ۶=جمعه)", type: "number" },
};

const COMMON_FIELDS = ["hour", "weekday"];

export interface GamificationEventMeta {
  label: string;
  /** متن کوتاه برای فید امتیازات، مثل «معامله برنده شد» */
  feed: string;
  group: "leads" | "customers" | "sales" | "activities" | "finance" | "support";
  fields: string[];
}

export const GAMIFICATION_EVENTS: Record<GamificationEvent, GamificationEventMeta> = {
  LEAD_CREATED: { label: "ثبت لید جدید", feed: "لید جدید ثبت شد", group: "leads", fields: ["source", "amount", ...COMMON_FIELDS] },
  LEAD_STAGE_CHANGED: { label: "تغییر مرحله لید", feed: "لید به مرحله بعد رفت", group: "leads", fields: ["stageName", "source", ...COMMON_FIELDS] },
  LEAD_CONVERTED: { label: "تبدیل لید به مشتری", feed: "لید به مشتری تبدیل شد", group: "leads", fields: ["source", "amount", ...COMMON_FIELDS] },
  CUSTOMER_CREATED: { label: "ثبت مشتری جدید", feed: "مشتری جدید ثبت شد", group: "customers", fields: ["source", ...COMMON_FIELDS] },
  COMPANY_CREATED: { label: "ثبت شرکت جدید", feed: "شرکت جدید ثبت شد", group: "customers", fields: [...COMMON_FIELDS] },
  DEAL_CREATED: { label: "ایجاد معامله", feed: "معامله جدید ایجاد شد", group: "sales", fields: ["amount", ...COMMON_FIELDS] },
  DEAL_STAGE_CHANGED: { label: "جابه‌جایی معامله در مسیر فروش", feed: "معامله به مرحله بعد رفت", group: "sales", fields: ["stageName", "amount", ...COMMON_FIELDS] },
  DEAL_WON: { label: "برنده شدن معامله", feed: "معامله برنده شد", group: "sales", fields: ["amount", "stageName", ...COMMON_FIELDS] },
  DEAL_LOST: { label: "از دست رفتن معامله", feed: "معامله بسته شد", group: "sales", fields: ["amount", ...COMMON_FIELDS] },
  CALL_LOGGED: { label: "ثبت تماس", feed: "تماس ثبت شد", group: "activities", fields: ["hasDescription", ...COMMON_FIELDS] },
  MEETING_CREATED: { label: "ثبت جلسه", feed: "جلسه ثبت شد", group: "activities", fields: ["hasDescription", ...COMMON_FIELDS] },
  FOLLOW_UP_CREATED: { label: "ثبت پیگیری", feed: "پیگیری ثبت شد", group: "activities", fields: ["hasDescription", ...COMMON_FIELDS] },
  NOTE_CREATED: { label: "ثبت یادداشت", feed: "یادداشت ثبت شد", group: "activities", fields: ["hasDescription", ...COMMON_FIELDS] },
  ACTIVITY_CREATED: { label: "ثبت فعالیت", feed: "فعالیت ثبت شد", group: "activities", fields: ["activityType", "typeName", "priority", "hasDescription", ...COMMON_FIELDS] },
  TASK_COMPLETED: { label: "انجام کار", feed: "کار انجام شد", group: "activities", fields: ["activityType", "typeName", "onTime", "priority", ...COMMON_FIELDS] },
  ROUTINE_COMPLETED: { label: "انجام کار روتین", feed: "کار روتین انجام شد", group: "activities", fields: ["onTime", "isMandatory", "priority", ...COMMON_FIELDS] },
  QUOTE_CREATED: { label: "ثبت پیش‌فاکتور", feed: "پیش‌فاکتور ثبت شد", group: "finance", fields: ["amount", ...COMMON_FIELDS] },
  INVOICE_ISSUED: { label: "صدور فاکتور", feed: "فاکتور صادر شد", group: "finance", fields: ["amount", ...COMMON_FIELDS] },
  PAYMENT_REGISTERED: { label: "ثبت پرداخت", feed: "پرداخت ثبت شد", group: "finance", fields: ["amount", ...COMMON_FIELDS] },
  TICKET_CREATED: { label: "ثبت تیکت", feed: "تیکت ثبت شد", group: "support", fields: ["priority", ...COMMON_FIELDS] },
  TICKET_RESOLVED: { label: "حل تیکت", feed: "تیکت حل شد", group: "support", fields: ["priority", ...COMMON_FIELDS] },
};

export const GAMIFICATION_EVENT_KEYS = Object.keys(GAMIFICATION_EVENTS) as GamificationEvent[];

export const GAMIFICATION_EVENT_GROUP_LABELS: Record<GamificationEventMeta["group"], string> = {
  leads: "لیدها",
  customers: "مشتریان",
  sales: "فروش",
  activities: "فعالیت‌ها",
  finance: "مالی",
  support: "پشتیبانی",
};

export function isGamificationEvent(value: unknown): value is GamificationEvent {
  return typeof value === "string" && value in GAMIFICATION_EVENTS;
}

export type GamificationConditionOp =
  | "eq"
  | "neq"
  | "gt"
  | "gte"
  | "lt"
  | "lte"
  | "contains"
  | "in"
  | "is_true"
  | "is_false";

export const GAMIFICATION_CONDITION_OPS: Record<GamificationConditionOp, string> = {
  eq: "برابر",
  neq: "مخالف",
  gt: "بیشتر از",
  gte: "حداقل",
  lt: "کمتر از",
  lte: "حداکثر",
  contains: "شامل",
  in: "یکی از (با ویرگول)",
  is_true: "بله باشد",
  is_false: "خیر باشد",
};

export interface GamificationCondition {
  field: string;
  op: GamificationConditionOp;
  value?: string | number | null;
}

export type GamificationPeriod = "today" | "week" | "month" | "quarter" | "year" | "all";

export const GAMIFICATION_PERIOD_LABELS: Record<GamificationPeriod, string> = {
  today: "امروز",
  week: "این هفته",
  month: "این ماه",
  quarter: "این فصل",
  year: "امسال",
  all: "همه زمان‌ها",
};

export type GamificationTxKind = "rule" | "bonus" | "achievement" | "adjust" | "redeem" | "refund";
export type GamificationTxStatus = "approved" | "pending" | "rejected";

export interface GamificationLevelDef {
  name: string;
  minScore: number;
}

export interface GamificationLevelDto {
  level: number;
  name: string;
  minScore: number;
  nextName: string | null;
  nextMinScore: number | null;
  /** درصد پیشرفت تا سطح بعد */
  progress: number;
  toNext: number | null;
}

export interface GamificationRuleDto {
  id: string;
  name: string;
  description: string | null;
  event: GamificationEvent;
  score: number;
  coins: number;
  conditions: GamificationCondition[];
  isActive: boolean;
  maxPerDay: number | null;
  maxCoinsPerDay: number | null;
  maxPerUser: number | null;
  cooldownMinutes: number | null;
  oncePerEntity: boolean;
  firstTimeOnly: boolean;
  requiresApproval: boolean;
  /** نقش‌های مشمول؛ خالی = همه */
  roles: string[];
  /** تیم‌های مشمول؛ خالی = همه */
  teamIds: string[];
  position: number;
  awardedCount: number;
  createdAt: string;
  updatedAt: string;
}

export interface SaveGamificationRuleRequest {
  name: string;
  description?: string | null;
  event: GamificationEvent;
  score: number;
  coins: number;
  conditions?: GamificationCondition[];
  isActive?: boolean;
  maxPerDay?: number | null;
  maxCoinsPerDay?: number | null;
  maxPerUser?: number | null;
  cooldownMinutes?: number | null;
  oncePerEntity?: boolean;
  firstTimeOnly?: boolean;
  requiresApproval?: boolean;
  roles?: string[];
  teamIds?: string[];
}

export interface GamificationTxDto {
  id: string;
  userId: string;
  userName: string;
  kind: GamificationTxKind;
  event: GamificationEvent | null;
  title: string;
  score: number;
  coins: number;
  status: GamificationTxStatus;
  entityType: string | null;
  entityId: string | null;
  entityTitle: string | null;
  /** لینک پرونده مرتبط در CRM */
  link: string | null;
  reason: string | null;
  createdByName: string | null;
  createdAt: string;
}

export interface GamificationLeaderEntryDto {
  rank: number;
  userId: string;
  fullName: string;
  hasAvatar: boolean;
  score: number;
  /** تغییر رتبه نسبت به ۲۴ ساعت قبل؛ مثبت = صعود */
  change: number | null;
  levelName: string;
  isMe: boolean;
}

export interface GamificationLeaderboardDto {
  period: GamificationPeriod;
  from: string | null;
  totalUsers: number;
  items: GamificationLeaderEntryDto[];
  /** کاربر جاری همیشه برمی‌گردد، حتی اگر در فهرست نباشد */
  me: GamificationLeaderEntryDto | null;
}

export interface GamificationTeamEntryDto {
  rank: number;
  teamId: string;
  name: string;
  members: number;
  score: number;
  avgScore: number;
  isMine: boolean;
}

export interface GamificationRewardDto {
  id: string;
  name: string;
  description: string | null;
  cost: number;
  icon: string;
  color: string;
  stock: number | null;
  isActive: boolean;
  requiresApproval: boolean;
  position: number;
}

export interface SaveGamificationRewardRequest {
  name: string;
  description?: string | null;
  cost: number;
  icon?: string;
  color?: string;
  stock?: number | null;
  isActive?: boolean;
  requiresApproval?: boolean;
}

export type GamificationRedemptionStatus = "pending" | "approved" | "rejected" | "delivered";

export const GAMIFICATION_REDEMPTION_LABELS: Record<GamificationRedemptionStatus, string> = {
  pending: "در انتظار تأیید",
  approved: "تأیید شده",
  rejected: "رد شده",
  delivered: "تحویل شده",
};

export interface GamificationRedemptionDto {
  id: string;
  userId: string;
  userName: string;
  rewardId: string;
  rewardName: string;
  rewardIcon: string;
  cost: number;
  status: GamificationRedemptionStatus;
  note: string | null;
  decisionNote: string | null;
  decidedByName: string | null;
  decidedAt: string | null;
  createdAt: string;
}

export type GamificationBadgeMetric =
  | "event_count"
  | "score_total"
  | "routine_streak"
  | "single_deal_amount";

export const GAMIFICATION_BADGE_METRICS: Record<GamificationBadgeMetric, string> = {
  event_count: "تعداد دفعات یک رویداد",
  score_total: "مجموع امتیاز",
  routine_streak: "روزهای پیاپی انجام کامل روتین‌ها",
  single_deal_amount: "مبلغ یک معامله برنده",
};

export interface GamificationBadgeDto {
  id: string;
  name: string;
  description: string | null;
  icon: string;
  color: string;
  metric: GamificationBadgeMetric;
  event: GamificationEvent | null;
  threshold: number;
  coins: number;
  isActive: boolean;
  earnedCount: number;
}

export interface SaveGamificationBadgeRequest {
  name: string;
  description?: string | null;
  icon?: string;
  color?: string;
  metric: GamificationBadgeMetric;
  event?: GamificationEvent | null;
  threshold: number;
  coins?: number;
  isActive?: boolean;
}

export interface GamificationAchievementDto extends GamificationBadgeDto {
  earned: boolean;
  earnedAt: string | null;
  /** مقدار فعلی کاربر برای این شاخص */
  current: number;
  progress: number;
}

export type GamificationBonusKind = "event_count_period" | "routine_streak" | "top_of_month";

export const GAMIFICATION_BONUS_KINDS: Record<GamificationBonusKind, string> = {
  event_count_period: "تعداد رویداد در بازه",
  routine_streak: "روزهای پیاپی انجام کامل روتین",
  top_of_month: "نفر اول امتیاز ماه",
};

export interface GamificationBonusDto {
  id: string;
  name: string;
  description: string | null;
  kind: GamificationBonusKind;
  event: GamificationEvent | null;
  threshold: number;
  period: "day" | "week" | "month";
  score: number;
  coins: number;
  isActive: boolean;
  awardedCount: number;
}

export interface SaveGamificationBonusRequest {
  name: string;
  description?: string | null;
  kind: GamificationBonusKind;
  event?: GamificationEvent | null;
  threshold: number;
  period?: "day" | "week" | "month";
  score?: number;
  coins?: number;
  isActive?: boolean;
}

export interface GamificationSettingsDto {
  enabled: boolean;
  levels: GamificationLevelDef[];
  /** هدف ماهانه امتیاز برای کارت «هدف بعدی» */
  monthlyGoal: number;
  /** نمایش کامل جدول برای همه؛ اگر خاموش باشد فقط ۱۰ نفر اول و خود کاربر */
  showFullLeaderboard: boolean;
  enabledAt: string | null;
}

export interface GamificationMeDto {
  user: { id: string; fullName: string; hasAvatar: boolean };
  isManager: boolean;
  settings: GamificationSettingsDto;
  score: number;
  coins: number;
  period: GamificationPeriod;
  periodScore: number;
  todayScore: number;
  rank: number | null;
  totalUsers: number;
  /** فاصله تا نفر بالاتر */
  gapToNext: number | null;
  nextRankName: string | null;
  gapToFirst: number | null;
  level: GamificationLevelDto;
  /** بهترین امتیاز ماهانه کاربر تا امروز */
  personalBest: number;
  goal: { target: number; current: number; progress: number };
  nextReward: { id: string; name: string; cost: number; icon: string; remaining: number } | null;
  streakDays: number;
  badgesEarned: number;
  pendingRedemptions: number;
  recent: GamificationTxDto[];
}

export interface GamificationPulseDto {
  serverTime: string;
  score: number;
  coins: number;
  rank: number | null;
  items: GamificationTxDto[];
}

export interface GamificationAdjustRequest {
  userId: string;
  amount: number;
  reason: string;
}

export interface GamificationReportUserRow {
  userId: string;
  fullName: string;
  value: number;
}

export interface GamificationRoiMetric {
  key: string;
  label: string;
  before: number;
  after: number;
  /** درصد تغییر؛ null وقتی مبنا صفر است */
  changePct: number | null;
}

export interface GamificationReportDto {
  period: GamificationPeriod;
  totals: {
    score: number;
    coinsEarned: number;
    coinsSpent: number;
    activeUsers: number;
    totalUsers: number;
    transactions: number;
    pendingApprovals: number;
    pendingRedemptions: number;
  };
  byEvent: Array<{ event: GamificationEvent; label: string; count: number; score: number; coins: number }>;
  topActive: GamificationReportUserRow[];
  topGrowth: GamificationReportUserRow[];
  topDeals: GamificationReportUserRow[];
  topLeads: GamificationReportUserRow[];
  topTasks: GamificationReportUserRow[];
  inactive: GamificationReportUserRow[];
  roi: { since: string | null; windowDays: number; metrics: GamificationRoiMetric[] };
}