aitori-stylist/backend/src/modules/customers/customers.mapper.ts

const HAIR_LENGTH_MAP: Record<string, 'SHORT' | 'MEDIUM' | 'LONG'> = {
  Short: 'SHORT',
  Medium: 'MEDIUM',
  Long: 'LONG',
};

const CONTACT_TYPE_MAP: Record<string, 'LINE' | 'PHONE' | 'EMAIL'> = {
  LINE: 'LINE',
  Phone: 'PHONE',
  Email: 'EMAIL',
};

const LINE_STATUS_MAP: Record<string, 'LINKED' | 'UNLINKED' | 'INVITED' | 'KEEP'> = {
  已关联: 'LINKED',
  已連携: 'LINKED',
  未关联: 'UNLINKED',
  未連携: 'UNLINKED',
  邀请已发送: 'INVITED',
  保留: 'KEEP',
};

const FOLLOW_STATUS_MAP: Record<string, 'NONE' | 'NEED_FOLLOW_UP' | 'SENT'> = {
  '': 'NONE',
  NONE: 'NONE',
  NEED_FOLLOW_UP: 'NEED_FOLLOW_UP',
  SENT: 'SENT',
  需跟进: 'NEED_FOLLOW_UP',
  已发送: 'SENT',
  发送计划: 'NEED_FOLLOW_UP',
};

export function normalizeHairLength(value?: string) {
  return value ? HAIR_LENGTH_MAP[value] ?? null : null;
}

export function normalizeContactType(value?: string) {
  return value ? CONTACT_TYPE_MAP[value] ?? 'LINE' : 'LINE';
}

export function normalizeLineStatus(value?: string) {
  return value ? LINE_STATUS_MAP[value] ?? null : null;
}

export function normalizeFollowStatus(value?: string) {
  return value == null ? 'NONE' : FOLLOW_STATUS_MAP[value] ?? 'NONE';
}

export function parseDateOnly(value?: string) {
  return value ? new Date(`${value}T00:00:00.000Z`) : null;
}

export function formatDateOnly(value: Date | null) {
  return value ? value.toISOString().slice(0, 10) : undefined;
}

export function toFrontendHairLength(value: string | null) {
  if (!value) {
    return undefined;
  }

  return value[0] + value.slice(1).toLowerCase();
}