const UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;

export const HUB_STATUS: Record<string, string> = {
  active: "فعال",
  archived: "بایگانی‌شده",
};

export const TEAM_STATUS: Record<string, string> = {
  active: "فعال",
  archived: "بایگانی‌شده",
};

export const TEAM_ROLE: Record<string, string> = {
  owner: "مالک",
  manager: "مدیر",
  member: "عضو",
  viewer: "ناظر",
};

export const PROJECT_STATUS: Record<string, string> = {
  planning: "برنامه‌ریزی",
  active: "فعال",
  on_hold: "متوقف",
  completed: "تکمیل‌شده",
  archived: "بایگانی‌شده",
};

export const PRIORITY: Record<string, string> = {
  low: "کم",
  medium: "متوسط",
  high: "بالا",
  urgent: "فوری",
};

export const TASK_STATUS: Record<string, string> = {
  backlog: "بک‌لاگ",
  todo: "انجام شود",
  in_progress: "در حال انجام",
  review: "بررسی",
  done: "انجام‌شده",
  archived: "بایگانی‌شده",
};

export const KANBAN_COLUMNS = [
  { id: "backlog", label: "بک‌لاگ" },
  { id: "todo", label: "انجام شود" },
  { id: "in_progress", label: "در حال انجام" },
  { id: "review", label: "بررسی" },
  { id: "done", label: "انجام‌شده" },
] as const;

export const CONTENT_STATUS: Record<string, string> = {
  draft: "پیش‌نویس",
  brief: "بریف",
  in_production: "در حال تولید",
  internal_review: "بررسی داخلی",
  client_review: "بررسی مشتری",
  approved: "تأیید شده",
  scheduled: "زمان‌بندی شده",
  published: "منتشر شده",
  archived: "بایگانی‌شده",
};

export const CONTENT_BOARD_COLUMNS = [
  { id: "draft", label: "ایده‌ها", statuses: ["draft"] },
  { id: "brief", label: "بریف", statuses: ["brief"] },
  { id: "in_production", label: "تولید", statuses: ["in_production"] },
  { id: "review", label: "در انتظار بررسی", statuses: ["internal_review", "client_review"] },
  { id: "approved", label: "تأیید شده", statuses: ["approved"] },
  { id: "scheduled", label: "زمان‌بندی شده", statuses: ["scheduled"] },
  { id: "published", label: "منتشر شده", statuses: ["published"] },
] as const;

export const CONTENT_TYPE: Record<string, string> = {
  instagram_post: "پست اینستاگرام",
  instagram_reel: "ریل اینستاگرام",
  instagram_story: "استوری اینستاگرام",
  blog_article: "مقاله وبلاگ",
  website_page: "محتوای صفحه وب",
  video: "ویدیو",
  podcast: "پادکست",
  advertisement: "تبلیغات",
  email: "ایمیل",
  sms_brief: "بریف پیامک",
  creative_brief: "بریف خلاق",
  other: "سایر",
};

export const CHANNEL: Record<string, string> = {
  instagram: "اینستاگرام",
  blog: "وبلاگ",
  website: "وب‌سایت",
  video: "ویدیو",
  audio: "صوتی",
  ads: "تبلیغات",
  email: "ایمیل",
  sms: "پیامک",
  creative: "خلاق",
  other: "سایر",
};

export const APPROVAL_TYPE: Record<string, string> = {
  internal: "تأیید داخلی",
  client: "تأیید مشتری",
  final: "تأیید نهایی",
};

export const APPROVAL_STATUS: Record<string, string> = {
  pending: "در انتظار",
  approved: "تأیید شده",
  rejected: "رد شده",
  changes_requested: "نیاز به اصلاح",
};

export const BRIEF_FIELDS: { key: string; label: string; multiline?: boolean }[] = [
  { key: "objective", label: "هدف", multiline: true },
  { key: "audience", label: "مخاطب" },
  { key: "key_message", label: "پیام کلیدی", multiline: true },
  { key: "hook", label: "هوک" },
  { key: "cta", label: "فراخوان عمل" },
  { key: "tone", label: "لحن" },
  { key: "platform", label: "پلتفرم / کانال" },
  { key: "references", label: "مراجع", multiline: true },
  { key: "deliverables", label: "تحویل‌دادنی‌ها", multiline: true },
  { key: "deadline", label: "مهلت" },
  { key: "notes", label: "یادداشت", multiline: true },
];

export const ACTIVITY_ACTION: Record<string, string> = {
  created: "ایجاد شد",
  updated: "به‌روزرسانی شد",
  status_changed: "وضعیت تغییر کرد",
  member_added: "عضو اضافه شد",
  member_updated: "نقش عضو تغییر کرد",
  approval_requested: "تأیید درخواست شد",
  approval_responded: "پاسخ تأیید ثبت شد",
  asset_referenced: "ارجاع فایل ثبت شد",
  commented: "نظر ثبت شد",
};

export function labelOf(map: Record<string, string>, value?: string | null, fallback = "نامشخص") {
  if (!value) return fallback;
  return map[value] ?? fallback;
}

export function displayPerson(value?: string | null) {
  if (!value || value === "unassigned") return "تعیین نشده";
  if (UUID_RE.test(value)) return "عضو تیم";
  return value;
}

export function isTechnicalId(value?: string | null) {
  return !!value && UUID_RE.test(value);
}

export function formatWhen(value?: string | null) {
  if (!value) return "—";
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) return value.slice(0, 10);
  return new Intl.DateTimeFormat("fa-IR", { dateStyle: "medium", timeStyle: "short" }).format(date);
}

export function formatDay(value?: string | null) {
  if (!value) return "—";
  const date = new Date(value);
  if (Number.isNaN(date.getTime())) return value.slice(0, 10);
  return new Intl.DateTimeFormat("fa-IR", { dateStyle: "medium" }).format(date);
}

export function contentActionLabel(current: string, next: string) {
  if (current === "draft" && next === "in_production") return "شروع تولید";
  if (current === "brief" && next === "in_production") return "شروع تولید";
  if (current === "draft" && next === "brief") return "تکمیل بریف";
  if (current === "in_production" && next === "internal_review") return "ارسال برای بررسی";
  if (current === "internal_review" && next === "client_review") return "ارسال به بررسی مشتری";
  if (next === "scheduled") return "زمان‌بندی انتشار";
  if (current === "scheduled" && next === "approved") return "ویرایش زمان‌بندی";
  if (next === "published") return "انتشار";
  if (next === "archived") return "بایگانی";
  if (next === "in_production") return "بازگشت به تولید";
  return labelOf(CONTENT_STATUS, next);
}

export function personLabel(value?: string | null, directory?: Record<string, string>) {
  if (!value) return "تعیین نشده";
  if (directory?.[value]) return directory[value];
  return displayPerson(value);
}