/** 后台手动新增赛事（投注平台最小字段） */

import {
  countryDisplayName,
  countryLogoUrl,
  hasCountryCrest,
  type BuiltinCountry,
} from '../data/builtinCountries';
import { FormValidationError } from '../i18n/form-validation';

export interface MatchCreateForm {
  leagueId: string;
  leagueEn: string;
  leagueZh: string;
  leagueMs: string;
  startTime: string;
  homeTeamCode: string;
  awayTeamCode: string;
  homeTeamZh: string;
  homeTeamEn: string;
  homeTeamMs: string;
  awayTeamZh: string;
  awayTeamEn: string;
  awayTeamMs: string;
  isHot: boolean;
  displayOrder: number;
  matchName: string;
  stage: string;
  groupName: string;
  leagueLogoUrl: string;
  homeTeamLogoUrl: string;
  awayTeamLogoUrl: string;
}

export function emptyMatchForm(): MatchCreateForm {
  return {
    leagueId: '',
    leagueEn: 'FIFA World Cup 2026',
    leagueZh: '2026 世界杯',
    leagueMs: 'Piala Dunia 2026',
    startTime: '',
    homeTeamCode: '',
    awayTeamCode: '',
    homeTeamZh: '',
    homeTeamEn: '',
    homeTeamMs: '',
    awayTeamZh: '',
    awayTeamEn: '',
    awayTeamMs: '',
    isHot: false,
    displayOrder: 0,
    matchName: '',
    stage: '',
    groupName: '',
    leagueLogoUrl: '',
    homeTeamLogoUrl: '',
    awayTeamLogoUrl: '',
  };
}

export interface AdminMarketSelection {
  id: string;
  selectionCode: string;
  selectionName: string;
  odds: number;
  status: string;
}

export interface AdminMarket {
  id: string;
  marketType: string;
  period: string;
  lineValue: number | null;
  status: string;
  promoLabel: string;
  selections: AdminMarketSelection[];
}

export type AdminMatchDetail = {
  id: string;
  status: string;
  isOutright: boolean;
  isHot: boolean;
  displayOrder: number;
  startTime: string;
  leagueId?: string;
  leagueCode?: string;
  leagueEn: string;
  leagueZh: string;
  leagueMs: string;
  leagueLogoUrl?: string;
  homeTeamEn: string;
  homeTeamZh: string;
  homeTeamMs: string;
  homeTeamCode?: string;
  homeTeamLogoUrl?: string;
  awayTeamEn: string;
  awayTeamZh: string;
  awayTeamMs: string;
  awayTeamCode?: string;
  awayTeamLogoUrl?: string;
  matchName: string;
  stage?: string;
  groupName?: string;
  score?: {
    htHome: number;
    htAway: number;
    ftHome: number;
    ftAway: number;
  } | null;
  markets?: AdminMarket[];
};

export function normalizeStartTimeForPicker(iso?: string): string {
  if (!iso?.trim()) return '';
  const d = new Date(iso);
  if (Number.isNaN(d.getTime())) return iso.slice(0, 19);
  const pad = (n: number) => String(n).padStart(2, '0');
  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`;
}

export function normalizeStartTimeForApi(value: string): string {
  const trimmed = value.trim();
  if (!trimmed) return '';
  const d = new Date(trimmed);
  if (Number.isNaN(d.getTime())) return trimmed;
  return d.toISOString();
}

export function formFromDetail(d: AdminMatchDetail): MatchCreateForm {
  return {
    leagueId: d.leagueId ?? '',
    leagueEn: d.leagueEn,
    leagueZh: d.leagueZh,
    leagueMs: d.leagueMs ?? '',
    startTime: normalizeStartTimeForPicker(d.startTime),
    homeTeamCode: d.homeTeamCode ?? '',
    awayTeamCode: d.awayTeamCode ?? '',
    homeTeamZh: d.homeTeamZh,
    homeTeamEn: d.homeTeamEn,
    homeTeamMs: d.homeTeamMs ?? '',
    awayTeamZh: d.awayTeamZh,
    awayTeamEn: d.awayTeamEn,
    awayTeamMs: d.awayTeamMs ?? '',
    isHot: d.isHot,
    displayOrder: d.displayOrder ?? 0,
    matchName: d.matchName ?? '',
    stage: d.stage ?? '',
    groupName: d.groupName ?? '',
    leagueLogoUrl: d.leagueLogoUrl ?? '',
    homeTeamLogoUrl: d.homeTeamLogoUrl ?? '',
    awayTeamLogoUrl: d.awayTeamLogoUrl ?? '',
  };
}

export function fillBuiltinTeam(
  form: MatchCreateForm,
  side: 'home' | 'away',
  country: BuiltinCountry,
) {
  const msName = countryDisplayName(country, 'ms-MY');
  const logo = countryLogoUrl(country, hasCountryCrest(country) ? 'crest' : 'flag');
  if (side === 'home') {
    form.homeTeamCode = country.code;
    form.homeTeamZh = country.nameZh;
    form.homeTeamEn = country.nameEn;
    form.homeTeamMs = msName;
    form.homeTeamLogoUrl = logo;
  } else {
    form.awayTeamCode = country.code;
    form.awayTeamZh = country.nameZh;
    form.awayTeamEn = country.nameEn;
    form.awayTeamMs = msName;
    form.awayTeamLogoUrl = logo;
  }
}

export function clearBuiltinTeam(form: MatchCreateForm, side: 'home' | 'away') {
  if (side === 'home') {
    form.homeTeamCode = '';
    form.homeTeamZh = '';
    form.homeTeamEn = '';
    form.homeTeamMs = '';
    form.homeTeamLogoUrl = '';
  } else {
    form.awayTeamCode = '';
    form.awayTeamZh = '';
    form.awayTeamEn = '';
    form.awayTeamMs = '';
    form.awayTeamLogoUrl = '';
  }
}

export function buildPlatformPayload(form: MatchCreateForm) {
  if (!form.startTime.trim()) {
    throw new FormValidationError('err.kickoff_required');
  }
  const homeCode = form.homeTeamCode.trim().toUpperCase();
  const awayCode = form.awayTeamCode.trim().toUpperCase();
  if (homeCode && awayCode) {
    if (homeCode === awayCode) {
      throw new FormValidationError('err.teams_same');
    }
  } else if (homeCode || awayCode) {
    throw new FormValidationError('err.team_country_required');
  } else {
    const homeOk = form.homeTeamZh.trim() || form.homeTeamEn.trim() || form.homeTeamMs.trim();
    const awayOk = form.awayTeamZh.trim() || form.awayTeamEn.trim() || form.awayTeamMs.trim();
    if (!homeOk || !awayOk) {
      throw new FormValidationError('err.team_country_required');
    }
    const homeKey = `${form.homeTeamZh.trim()}|${form.homeTeamEn.trim()}|${form.homeTeamMs.trim()}`.toLowerCase();
    const awayKey = `${form.awayTeamZh.trim()}|${form.awayTeamEn.trim()}|${form.awayTeamMs.trim()}`.toLowerCase();
    if (homeKey === awayKey) {
      throw new FormValidationError('err.teams_same');
    }
  }
  if (
    !form.leagueId.trim() &&
    !form.leagueZh.trim() &&
    !form.leagueEn.trim() &&
    !form.leagueMs.trim()
  ) {
    throw new FormValidationError('err.league_required');
  }

  return {
    leagueId: form.leagueId.trim() || undefined,
    leagueEn: form.leagueEn.trim(),
    leagueZh: form.leagueZh.trim(),
    leagueMs: form.leagueMs.trim() || undefined,
    homeTeamCode: homeCode || undefined,
    awayTeamCode: awayCode || undefined,
    homeTeamEn: form.homeTeamEn.trim(),
    homeTeamZh: form.homeTeamZh.trim(),
    homeTeamMs: form.homeTeamMs.trim() || undefined,
    awayTeamEn: form.awayTeamEn.trim(),
    awayTeamZh: form.awayTeamZh.trim(),
    awayTeamMs: form.awayTeamMs.trim() || undefined,
    startTime: normalizeStartTimeForApi(form.startTime),
    isHot: form.isHot,
    displayOrder: form.displayOrder,
    matchName: form.matchName.trim() || undefined,
    stage: form.stage.trim() || undefined,
    groupName: form.groupName.trim() || undefined,
    leagueLogoUrl: form.leagueLogoUrl.trim() || undefined,
    homeTeamLogoUrl: form.homeTeamLogoUrl.trim() || undefined,
    awayTeamLogoUrl: form.awayTeamLogoUrl.trim() || undefined,
  };
}

/** 编辑单场基本信息（不含联赛字段，联赛在赛事列表单独维护） */
export function buildMatchUpdatePayload(form: MatchCreateForm) {
  if (!form.startTime.trim()) {
    throw new FormValidationError('err.kickoff_required');
  }
  const homeCode = form.homeTeamCode.trim().toUpperCase();
  const awayCode = form.awayTeamCode.trim().toUpperCase();
  if (homeCode && awayCode) {
    if (homeCode === awayCode) {
      throw new FormValidationError('err.teams_same');
    }
  } else if (homeCode || awayCode) {
    throw new FormValidationError('err.team_country_required');
  } else {
    const homeOk = form.homeTeamZh.trim() || form.homeTeamEn.trim() || form.homeTeamMs.trim();
    const awayOk = form.awayTeamZh.trim() || form.awayTeamEn.trim() || form.awayTeamMs.trim();
    if (!homeOk || !awayOk) {
      throw new FormValidationError('err.team_country_required');
    }
    const homeKey = `${form.homeTeamZh.trim()}|${form.homeTeamEn.trim()}|${form.homeTeamMs.trim()}`.toLowerCase();
    const awayKey = `${form.awayTeamZh.trim()}|${form.awayTeamEn.trim()}|${form.awayTeamMs.trim()}`.toLowerCase();
    if (homeKey === awayKey) {
      throw new FormValidationError('err.teams_same');
    }
  }

  return {
    homeTeamEn: form.homeTeamEn.trim(),
    homeTeamZh: form.homeTeamZh.trim(),
    homeTeamMs: form.homeTeamMs.trim() || undefined,
    awayTeamEn: form.awayTeamEn.trim(),
    awayTeamZh: form.awayTeamZh.trim(),
    awayTeamMs: form.awayTeamMs.trim() || undefined,
    startTime: normalizeStartTimeForApi(form.startTime),
    isHot: form.isHot,
    displayOrder: form.displayOrder,
    matchName: form.matchName.trim() || undefined,
    stage: form.stage.trim() || undefined,
    groupName: form.groupName.trim() || undefined,
    homeTeamLogoUrl: form.homeTeamLogoUrl.trim() || undefined,
    awayTeamLogoUrl: form.awayTeamLogoUrl.trim() || undefined,
  };
}