using Microsoft.IdentityModel.Tokens;
using System;
using System.Collections.Generic;
using System.Drawing.Drawing2D;
using System.IdentityModel.Tokens.Jwt;
using System.IO;
using System.Text;
using System.Text.Json;

namespace TEAMModelOS.SDK.Extension
{
    public static class GeoRegion
    {
        //取得國省市區地理資料架構
        public static regiondata GetRegionData(List<regionrow> region_gl, List<regionrow> region_cn)
        {
            regiondata region = new regiondata();
            //國際
            if(region_gl.Count > 0)
            {
                foreach (regionrow itemcy in region_gl)
                {
                    //country
                    string countryCode = itemcy.code;
                    if (!region.country.ContainsKey(countryCode))
                    {
                        region.country.Add(countryCode, new regionbase() { code = countryCode, name = itemcy.name });
                    }
                    //province 無
                    //city
                    if (itemcy.children != null)
                    {
                        foreach (JsonElement itemcyChild in itemcy.children)
                        {
                            regionrow itemct = itemcyChild.ToObject<regionrow>();
                            string provinceCode = "tw"; //台灣的省代碼用"tw"
                            string cityCode = itemct.code;
                            if (!region.city.ContainsKey(countryCode)) region.city.Add(countryCode, new Dictionary<string, Dictionary<string, regionbase>>());
                            if (!region.city[countryCode].ContainsKey(provinceCode)) region.city[countryCode].Add(provinceCode, new Dictionary<string, regionbase>());
                            if (!region.city[countryCode][provinceCode].ContainsKey(cityCode)) region.city[countryCode][provinceCode].Add(cityCode, new regionbase() { code = cityCode, name = itemct.name });
                            //dist
                            if (itemct.children != null)
                            {
                                foreach (JsonElement itemctChild in itemct.children)
                                {
                                    regionrow itemds = itemctChild.ToObject<regionrow>();
                                    string distCode = itemds.code;
                                    if (!region.dist.ContainsKey(countryCode)) region.dist.Add(countryCode, new Dictionary<string, Dictionary<string, Dictionary<string, regionbase>>>());
                                    if (!region.dist[countryCode].ContainsKey(provinceCode)) region.dist[countryCode].Add(provinceCode, new Dictionary<string, Dictionary<string, regionbase>>());
                                    if (!region.dist[countryCode][provinceCode].ContainsKey(cityCode)) region.dist[countryCode][provinceCode].Add(cityCode, new Dictionary<string, regionbase>());
                                    if (!region.dist[countryCode][provinceCode][cityCode].ContainsKey(distCode)) region.dist[countryCode][provinceCode][cityCode].Add(distCode, new regionbase() { code = distCode, name = itemds.name });
                                }
                            }
                        }
                    }
                }
            }
            //大陸
            if (region_cn.Count > 0)
            {
                //country
                string countryCode = "CN";
                string countryName = "中国";
                if (!region.country.ContainsKey(countryCode))
                {
                    region.country.Add(countryCode, new regionbase() { code = countryCode, name = countryName });
                }
                //province
                foreach (regionrow itempv in region_cn)
                {
                    string provinceCode = itempv.code.Replace("0000", "");
                    if (!region.province.ContainsKey(countryCode)) region.province.Add(countryCode, new Dictionary<string, regionbase>());
                    if (!region.province[countryCode].ContainsKey(provinceCode)) region.province[countryCode].Add(provinceCode, new regionbase() { code = provinceCode, name = itempv.name });
                    //city
                    if (itempv.children != null)
                    {
                        foreach (JsonElement itempvChild in itempv.children)
                        {
                            regionrow itemct = itempvChild.ToObject<regionrow>();
                            string cityCode = itemct.code;
                            if (!region.city.ContainsKey(countryCode)) region.city.Add(countryCode, new Dictionary<string, Dictionary<string, regionbase>>());
                            if (!region.city[countryCode].ContainsKey(provinceCode)) region.city[countryCode].Add(provinceCode, new Dictionary<string, regionbase>());
                            if (!region.city[countryCode][provinceCode].ContainsKey(cityCode)) region.city[countryCode][provinceCode].Add(cityCode, new regionbase() { code = cityCode, name = itemct.name });
                            //dist
                            if (itemct.children != null)
                            {
                                foreach (JsonElement itemctChild in itemct.children)
                                {
                                    regionrow itemds = itemctChild.ToObject<regionrow>();
                                    string distCode = itemds.code;
                                    if (!region.dist.ContainsKey(countryCode)) region.dist.Add(countryCode, new Dictionary<string, Dictionary<string, Dictionary<string, regionbase>>>());
                                    if (!region.dist[countryCode].ContainsKey(provinceCode)) region.dist[countryCode].Add(provinceCode, new Dictionary<string, Dictionary<string, regionbase>>());
                                    if (!region.dist[countryCode][provinceCode].ContainsKey(cityCode)) region.dist[countryCode][provinceCode].Add(cityCode, new Dictionary<string, regionbase>());
                                    if (!region.dist[countryCode][provinceCode][cityCode].ContainsKey(distCode)) region.dist[countryCode][provinceCode][cityCode].Add(distCode, new regionbase() { code = distCode, name = itemds.name });
                                }
                            }
                        }
                    }
                }
            }

            return region;
        }

        //取得EN版國省市區地理資料架構 ※EN版只取國
        public static regiondata GetRegionDataEn()
        {
            regiondata region = new regiondata();
            //國際
            var regionEn = new List<regionrow>();
            using (StreamReader r = new StreamReader("JsonFile/Region/region_en.json"))
            {
                string json = r.ReadToEnd();
                regionEn = JsonSerializer.Deserialize<List<regionrow>>(json);
                foreach (regionrow itemcy in regionEn)
                {
                    //country
                    string countryCode = itemcy.code;
                    if (!region.country.ContainsKey(countryCode))
                    {
                        region.country.Add(countryCode, new regionbase() { code = countryCode, name = itemcy.name });
                    }
                }
            }
            return region;
        }

        public class regiondata
        {
            public Dictionary<string, regionbase> country { get; set; } = new();
            public Dictionary<string, Dictionary<string, regionbase>> province { get; set; } = new();
            public Dictionary<string, Dictionary<string, Dictionary<string, regionbase>>> city { get; set; } = new();
            public Dictionary<string, Dictionary<string, Dictionary<string, Dictionary<string, regionbase>>>> dist { get; set; } = new();
        }
        public class regionbase
        {
            public string code { get; set; } //代碼
            public string name { get; set; } //名稱
        }
        public class regionrow : regionbase
        {
            public List<object> children { get; set; }
        }

        //地區要去除的特殊字
        public static List<string> comeRemoveStr = new List<string>() { "省", "市", "区", "自治州", "县", "旗", "盟", "回族", "藏族", "羌族", "哈尼族", "彝族", "壮族", "苗族", "自治", "特别行政", "地區", "區", "縣" };
        //大陸直轄市的省ID
        public static List<string> municipalityId = new List<string>() { "11", "12", "31", "50", "81", "82" };
    }
}