/**
 * 수역 코드 카탈로그
 *
 * SSOT: prediction/algorithms/location.py classify_zone()
 * 사용처: GearDetection, RealVesselAnalysis, VesselDetail
 */

import type { BadgeIntent } from '@lib/theme/variants';

export type ZoneCode =
  | 'ZONE_I'
  | 'ZONE_II'
  | 'ZONE_III'
  | 'ZONE_IV'
  | 'TERRITORIAL_SEA'
  | 'CONTIGUOUS_ZONE'
  | 'EEZ_OR_BEYOND';

interface ZoneCodeMeta {
  code: ZoneCode;
  i18nKey: string;
  fallback: { ko: string; en: string };
  intent: BadgeIntent;
  allowedGears: string[];
}

export const ZONE_CODES: Record<ZoneCode, ZoneCodeMeta> = {
  ZONE_I: {
    code: 'ZONE_I',
    i18nKey: 'zone.ZONE_I',
    fallback: { ko: '특정해역 I (동해)', en: 'Zone I (East Sea)' },
    intent: 'purple',
    allowedGears: ['PS', 'FC'],
  },
  ZONE_II: {
    code: 'ZONE_II',
    i18nKey: 'zone.ZONE_II',
    fallback: { ko: '특정해역 II (남해)', en: 'Zone II (South Sea)' },
    intent: 'info',
    allowedGears: ['PT', 'OT', 'GN', 'PS', 'FC'],
  },
  ZONE_III: {
    code: 'ZONE_III',
    i18nKey: 'zone.ZONE_III',
    fallback: { ko: '특정해역 III (서남해)', en: 'Zone III (Southwest Sea)' },
    intent: 'info',
    allowedGears: ['PT', 'OT', 'GN', 'PS', 'FC'],
  },
  ZONE_IV: {
    code: 'ZONE_IV',
    i18nKey: 'zone.ZONE_IV',
    fallback: { ko: '특정해역 IV (서해)', en: 'Zone IV (West Sea)' },
    intent: 'warning',
    allowedGears: ['GN', 'PS', 'FC'],
  },
  TERRITORIAL_SEA: {
    code: 'TERRITORIAL_SEA',
    i18nKey: 'zone.TERRITORIAL_SEA',
    fallback: { ko: '영해', en: 'Territorial Sea' },
    intent: 'critical',
    allowedGears: [],
  },
  CONTIGUOUS_ZONE: {
    code: 'CONTIGUOUS_ZONE',
    i18nKey: 'zone.CONTIGUOUS_ZONE',
    fallback: { ko: '접속수역', en: 'Contiguous Zone' },
    intent: 'high',
    allowedGears: [],
  },
  EEZ_OR_BEYOND: {
    code: 'EEZ_OR_BEYOND',
    i18nKey: 'zone.EEZ_OR_BEYOND',
    fallback: { ko: 'EEZ 외', en: 'EEZ or Beyond' },
    intent: 'muted',
    allowedGears: [],
  },
};

export function getZoneCodeIntent(code: string): BadgeIntent {
  return ZONE_CODES[code as ZoneCode]?.intent ?? 'muted';
}

export function getZoneCodeLabel(
  code: string,
  t: (k: string, opts?: { defaultValue?: string }) => string,
  lang: 'ko' | 'en' = 'ko',
): string {
  const meta = ZONE_CODES[code as ZoneCode];
  if (!meta) return code || '-';
  return t(meta.i18nKey, { defaultValue: meta.fallback[lang] });
}

export function getZoneAllowedGears(code: string): string[] {
  return ZONE_CODES[code as ZoneCode]?.allowedGears ?? [];
}