// 地图数据来源：https://unpkg.com/echarts@4.9.0/map/json/world.json
// 组件直接导入本地缓存的 ECharts 世界地图 GeoJSON，避免运行时依赖外部网络。

import type { IpLocationStatItem } from "../types/api";

export const normalizeWorldCountryName = (value?: string | null) => {
  const country = String(value || "").trim();
  const aliases: Record<string, string> = {
    中国: "China",
    China: "China",
    "Mainland China": "China",
    中国香港: "China",
    中国澳门: "China",
    中国台湾: "China",
    美国: "United States",
    "United States": "United States",
    "United States of America": "United States",
    USA: "United States",
    Australia: "Australia",
    澳大利亚: "Australia",
    Japan: "Japan",
    日本: "Japan",
    Singapore: "Singapore",
    新加坡: "Singapore",
    Germany: "Germany",
    德国: "Germany",
    France: "France",
    法国: "France",
    "United Kingdom": "United Kingdom",
    英国: "United Kingdom",
    Canada: "Canada",
    加拿大: "Canada",
    India: "India",
    印度: "India",
    Russia: "Russia",
    俄罗斯: "Russia",
  };
  return aliases[country] || country;
};

export const countryCoordinates: Record<string, [number, number]> = {
  China: [104.1954, 35.8617],
  "United States": [-95.7129, 37.0902],
  Netherlands: [5.2913, 52.1326],
  Türkiye: [35.2433, 38.9637],
  Turkey: [35.2433, 38.9637],
  Australia: [133.7751, -25.2744],
  Japan: [138.2529, 36.2048],
  Singapore: [103.8198, 1.3521],
  Germany: [10.4515, 51.1657],
  France: [2.2137, 46.2276],
  "United Kingdom": [-3.436, 55.3781],
  Canada: [-106.3468, 56.1304],
  India: [78.9629, 20.5937],
  Russia: [105.3188, 61.524],
};

export const cityCoordinates: Record<string, [number, number]> = {
  "局域网": [121.86, 31.45],
  "北京市": [116.4074, 39.9042],
  "天津市": [117.2008, 39.0842],
  "河北省": [114.5025, 38.0455],
  "山西省": [112.5492, 37.857],
  "内蒙古自治区": [111.6708, 40.8183],
  "辽宁省": [123.4315, 41.8057],
  "吉林省": [125.3245, 43.8868],
  "黑龙江省": [126.6424, 45.7567],
  "上海市": [121.4737, 31.2304],
  "江苏省": [118.7633, 32.0617],
  "浙江省": [120.1551, 30.2741],
  "安徽省": [117.2272, 31.8206],
  "福建省": [119.2965, 26.0745],
  "江西省": [115.8582, 28.682],
  "山东省": [117.1201, 36.6512],
  "河南省": [113.6254, 34.7466],
  "湖北省": [114.3055, 30.5928],
  "湖南省": [112.9388, 28.2282],
  "广东省": [113.2644, 23.1291],
  "广西壮族自治区": [108.3669, 22.817],
  "海南省": [110.3312, 20.0311],
  "重庆": [106.5516, 29.563],
  "重庆市": [106.5516, 29.563],
  "四川省": [104.0665, 30.5723],
  "贵州省": [106.6302, 26.647],
  "云南省": [102.8329, 24.8801],
  "西藏自治区": [91.1322, 29.6604],
  "陕西省": [108.9398, 34.3416],
  "甘肃省": [103.8343, 36.0611],
  "青海省": [101.7782, 36.6171],
  "宁夏回族自治区": [106.2309, 38.4872],
  "新疆维吾尔自治区": [87.6168, 43.8256],
  "台湾省": [121.5654, 25.033],
  "香港特别行政区": [114.1694, 22.3193],
  "澳门特别行政区": [113.5439, 22.1987],
  "南京": [118.7969, 32.0603],
  "南京市": [118.7969, 32.0603],
  "San Jose": [-121.8863, 37.3382],
  "South Holland": [4.493, 52.0208],
  "Istanbul": [28.9784, 41.0082],
};

export const resolveSourceCoordinate = (item: IpLocationStatItem): [number, number] | null => {
  if (item.location === "局域网") return cityCoordinates["局域网"];
  const city = String(item.city || "").trim();
  if (city && cityCoordinates[city]) return cityCoordinates[city];
  const province = String(item.province || "").trim();
  if (province && cityCoordinates[province]) return cityCoordinates[province];
  const country = normalizeWorldCountryName(item.country);
  return country ? countryCoordinates[country] || null : null;
};