import { CoinIcon, ActiveUsersIcon, CrownIcon, StarUserIcon, TrendIcon, UserPlusIcon } from "../components/MetricIcons.jsx";
import { countryFlag, resolveCountryMeta } from "./countryMeta.js";
import { formatMoney, formatMoneyFull, formatNumber, formatPercent, formatWholeMoney } from "../utils/format.js";
import { numberValue, ratio } from "../utils/number.js";
import { formatDateTime } from "../utils/time.js";
import { sampleOverview } from "./sampleOverview.js";

export function createDashboardModel(overview, { appCode, countryId, preview }) {
  const source = overview || sampleOverview;
  const recharge = numberValue(source.recharge_usd_minor);
  const activeUsers = numberValue(source.active_users);
  const paidUsers = numberValue(source.paid_users);
  const newUsers = numberValue(source.new_users);
  const countryBreakdown = normalizeCountries(source, countryId);
  const revenueSeries = normalizeRevenueSeries(source);
  const payoutDistribution = normalizeDistribution(source);
  const gameRanking = normalizeGameRanking(source);

  return {
    appCode,
    businessKpis: [
      { caption: "近 7 日", delta: preview ? "+16.80%" : "", label: "礼物消费", value: formatWholeMoney(source.gift_coin_spent) },
      { caption: "近 7 日", delta: preview ? "+12.93%" : "", label: "幸运礼物流水", value: formatWholeMoney(source.room_lucky_gift_turnover ?? source.lucky_gift_turnover) },
      { caption: "近 7 日", delta: preview ? "+8.15%" : "", label: "幸运礼物返奖", value: formatWholeMoney(source.lucky_gift_payout) },
      { caption: "近 7 日", delta: preview ? "+4.66%" : "", label: "幸运礼物利润", value: formatWholeMoney(source.lucky_gift_profit) },
      { caption: "近 7 日", delta: preview ? "+14.20%" : "", label: "游戏流水", value: formatWholeMoney(source.game_turnover) },
      { caption: "近 7 日", delta: preview ? "+18.18%" : "", label: "游戏利润", value: formatWholeMoney(source.game_profit) }
    ],
    countryBreakdown,
    funnel: [
      { name: "访客", rate: 1, value: newUsers },
      { name: "活跃用户", rate: ratio(activeUsers, newUsers), value: activeUsers },
      { name: "付费用户", rate: ratio(paidUsers, activeUsers), value: paidUsers },
      { name: "充值用户", rate: ratio(numberValue(source.lucky_gift_payers), activeUsers), value: numberValue(source.lucky_gift_payers) }
    ],
    gameMetrics: [
      { caption: "近 7 日   +14.20%", label: "流水", value: formatWholeMoney(source.game_turnover) },
      { caption: "近 7 日   +9.63%", label: "派奖", value: formatWholeMoney(source.game_payout) },
      { caption: "近 7 日   -3.58%", label: "退款", value: formatWholeMoney(source.game_refund) },
      { caption: "近 7 日   +18.18%", label: "利润", value: formatWholeMoney(source.game_profit) }
    ],
    gameRanking,
    giftRanking: normalizeGiftRanking(source),
    kpis: [
      { caption: "近 7 日", delta: preview ? "+18.10%" : "", icon: CoinIcon, label: "总充值", value: formatMoneyFull(recharge) },
      { caption: "近 7 日", delta: preview ? "+16.80%" : "", icon: UserPlusIcon, label: "新用户充值", value: formatMoneyFull(source.new_user_recharge_usd_minor) },
      { caption: "近 7 日", delta: preview ? "+10.77%" : "", icon: ActiveUsersIcon, label: "活跃用户", value: formatNumber(activeUsers) },
      { caption: "近 7 日", delta: preview ? "+12.92%" : "", icon: CrownIcon, label: "付费用户", value: formatNumber(paidUsers) },
      { caption: "近 7 日", delta: preview ? "-0.80%" : "", deltaTone: "down", icon: TrendIcon, label: "ARPU", value: formatMoney(source.arpu_usd_minor) },
      { caption: "近 7 日", delta: preview ? "+3.06%" : "", icon: StarUserIcon, label: "ARPPU", value: formatMoney(source.arppu_usd_minor) }
    ],
    luckyMetrics: [
      { caption: "近 7 日  +10.62%", label: "流水", value: formatWholeMoney(source.lucky_gift_turnover) },
      { caption: "近 7 日  +8.15%", label: "返奖", value: formatWholeMoney(source.lucky_gift_payout) },
      { caption: "近 7 日  +4.66%", label: "利润", value: formatWholeMoney(source.lucky_gift_profit) },
      { caption: "近 7 日  -2.01pp", label: "返奖率", value: formatPercent(source.lucky_gift_payout_rate) },
      { caption: "近 7 日  +0.76pp", label: "利润率", value: formatPercent(source.lucky_gift_profit_rate) }
    ],
    payoutDistribution,
    revenueSeries,
    roomMetrics: [
      { caption: "近 7 日   +16.80%", label: "礼物消费(充值)", value: formatWholeMoney(source.gift_coin_spent) },
      { caption: "近 7 日   +12.93%", label: "幸运礼物流水", value: formatWholeMoney(source.room_lucky_gift_turnover ?? source.lucky_gift_turnover) }
    ],
    sideMetrics: [
      { caption: "近 7 日    -0.80%", deltaTone: "down", label: "ARPU", value: formatMoney(source.arpu_usd_minor) },
      { caption: "近 7 日    +0.18pp", label: "付费转化率", value: formatPercent(ratio(paidUsers, newUsers)) },
      { caption: "近 7 日    +3.06%", label: "ARPPU", value: formatMoney(source.arppu_usd_minor) }
    ],
    topCountries: countryBreakdown.slice(0, 5),
    updatedAt: formatDateTime(source.updated_at_ms || source.updatedAtMs || Date.now())
  };
}

function normalizeRevenueSeries(source) {
  if (Array.isArray(source.daily_series) && source.daily_series.length) {
    return source.daily_series.map((item) => ({
      coin_seller: numberValue(item.coin_seller ?? item.coinSeller),
      google: numberValue(item.google),
      label: localizeSeriesLabel(item.label || item.stat_day || item.day || "-"),
      lineTotal: numberValue(item.line_total ?? item.lineTotal ?? item.trend_total ?? item.trendTotal ?? item.total ?? item.recharge_usd_minor),
      mifapay: numberValue(item.mifapay ?? item.mifa_pay),
      total: numberValue(item.total ?? item.recharge_usd_minor)
    }));
  }
  return [
    {
      coin_seller: numberValue(source.coin_seller_recharge_usd_minor),
      google: numberValue(source.google_recharge_usd_minor),
      label: "当前",
      lineTotal: numberValue(source.recharge_usd_minor),
      mifapay: numberValue(source.mifapay_recharge_usd_minor),
      total: numberValue(source.recharge_usd_minor)
    }
  ];
}

function normalizeCountries(source, countryId) {
  const raw = Array.isArray(source.country_breakdown) && source.country_breakdown.length ? source.country_breakdown : null;
  const rows =
    raw ||
    [
      {
        active_users: source.active_users,
        arppu_usd_minor: source.arppu_usd_minor,
        country: countryId ? `国家 ${countryId}` : "全部区域",
        paid_users: source.paid_users,
        recharge_usd_minor: source.recharge_usd_minor,
        x: 56,
        y: 52
      }
    ];
  const totalRecharge = rows.reduce((sum, item) => sum + numberValue(item.recharge_usd_minor), 0) || 1;
  return rows
    .map((item, index) => ({
      ...normalizeCountryRow(item, index, totalRecharge)
    }))
    .sort((left, right) => right.recharge_usd_minor - left.recharge_usd_minor);
}

function normalizeCountryRow(item, index, totalRecharge) {
  const code = item.country_code || item.countryCode || item.iso_code || item.isoCode;
  const country = item.country || item.country_name || code || `国家 ${index + 1}`;
  const meta = resolveCountryMeta({ code, name: country });
  const recharge = numberValue(item.recharge_usd_minor);
  return {
    active_users: numberValue(item.active_users),
    arpu_usd_minor: numberValue(item.arpu_usd_minor ?? item.arpuUsdMinor),
    arppu_usd_minor: numberValue(item.arppu_usd_minor),
    avg_recharge_usd_minor: numberValue(item.avg_recharge_usd_minor ?? item.avgRechargeUsdMinor),
    country: meta?.label || country,
    country_code: code || meta?.code || "",
    flag: countryFlag(code || meta?.code),
    geo_point: Array.isArray(item.geo_point) ? item.geo_point : meta?.point,
    new_user_recharge_usd_minor: numberValue(item.new_user_recharge_usd_minor ?? item.newUserRechargeUsdMinor),
    paid_users: numberValue(item.paid_users),
    payer_rate: ratio(item.paid_users, item.active_users),
    recharge_usd_minor: recharge,
    recharge_conversion_rate: numberValue(item.recharge_conversion_rate ?? item.rechargeConversionRate),
    recharge_users: numberValue(item.recharge_users ?? item.rechargeUsers),
    share: recharge / totalRecharge,
    trend_rate: numberValue(item.trend_rate ?? item.trendRate),
    visitors: numberValue(item.visitors ?? item.new_users ?? item.newUsers)
  };
}

function normalizeGiftRanking(source) {
  if (Array.isArray(source.gift_ranking) && source.gift_ranking.length) {
    return source.gift_ranking.map((item) => ({ name: item.name || item.gift_name || item.gift_id || "-", value: numberValue(item.value ?? item.amount ?? item.coin) }));
  }
  return [{ name: "礼物消费", value: numberValue(source.gift_coin_spent) }];
}

function normalizeDistribution(source) {
  if (Array.isArray(source.payout_distribution) && source.payout_distribution.length) {
    return source.payout_distribution.map((item) => ({ name: item.name || "-", value: numberValue(item.value) }));
  }
  return [
    { name: "幸运礼物返奖", value: numberValue(source.lucky_gift_payout) },
    { name: "幸运礼物利润", value: Math.max(numberValue(source.lucky_gift_profit), 0) }
  ];
}

function normalizeGameRanking(source) {
  if (Array.isArray(source.game_ranking) && source.game_ranking.length) {
    return source.game_ranking.map((item) => ({
      game_id: item.game_id || item.gameId || "-",
      platform_code: item.platform_code || item.platformCode || "",
      profit_rate: numberValue(item.profit_rate ?? item.profitRate),
      turnover_coin: numberValue(item.turnover_coin ?? item.turnoverCoin)
    }));
  }
  return [{ game_id: "全部游戏", platform_code: "", profit_rate: numberValue(source.game_profit_rate), turnover_coin: numberValue(source.game_turnover) }];
}

function localizeSeriesLabel(label) {
  const match = String(label).match(/^May\s+(\d{1,2})$/i);
  if (match) {
    return `5月${match[1]}日`;
  }
  return label;
}