package com.econet.app.showQRCode;

import android.annotation.SuppressLint;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import com.bigkoo.pickerview.builder.OptionsPickerBuilder;
import com.bigkoo.pickerview.listener.OnOptionsSelectListener;
import com.bigkoo.pickerview.view.OptionsPickerView;
import com.google.gson.Gson;
import com.econet.app.beans.JsonBean;
import com.econet.app.uitl.GetJsonDataUtil;

import org.json.JSONArray;

import java.util.ArrayList;
import java.util.List;
import com.econet.app.solwallet.R;

public class JsonDataActivity extends AppCompatActivity implements View.OnClickListener {


    private List<JsonBean> options1Items = new ArrayList<>();
    private ArrayList<ArrayList<String>> options2Items = new ArrayList<>();
    private ArrayList<ArrayList<ArrayList<String>>> options3Items = new ArrayList<>();
    private Thread thread;
    private static final int MSG_LOAD_DATA = 0x0001;
    private static final int MSG_LOAD_SUCCESS = 0x0002;
    private static final int MSG_LOAD_FAILED = 0x0003;

    private static boolean isLoaded = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_json_data);
        findViewById(R.id.btn_data).setOnClickListener(this);
        findViewById(R.id.btn_show).setOnClickListener(this);
    }

    @SuppressLint("HandlerLeak")
    private Handler mHandler = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case MSG_LOAD_DATA:
                    if (thread == null) {//如果已创建就不再重新创建子线程了

                        Toast.makeText(JsonDataActivity.this, "Begin Parse Data", Toast.LENGTH_SHORT).show();
                        thread = new Thread(new Runnable() {
                            @Override
                            public void run() {
                                // 子线程中解析省市区数据
                                initJsonData();
                            }
                        });
                        thread.start();
                    }
                    break;

                case MSG_LOAD_SUCCESS:
                    Toast.makeText(JsonDataActivity.this, "Parse Succeed", Toast.LENGTH_SHORT).show();
                    isLoaded = true;
                    break;

                case MSG_LOAD_FAILED:
                    Toast.makeText(JsonDataActivity.this, "Parse Failed", Toast.LENGTH_SHORT).show();
                    break;
            }
        }
    };

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_data:
                mHandler.sendEmptyMessage(MSG_LOAD_DATA);
                break;
            case R.id.btn_show:
                if (isLoaded) {
                    showPickerView();
                } else {
                    Toast.makeText(JsonDataActivity.this, "Please waiting until the data is parsed", Toast.LENGTH_SHORT).show();
                }
                break;
        }
    }


    private void showPickerView() {// 弹出选择器

        OptionsPickerView pvOptions = new OptionsPickerBuilder(this, new OnOptionsSelectListener() {
            @Override
            public void onOptionsSelect(int options1, int options2, int options3, View v) {
                //返回的分别是三个级别的选中位置
                String opt1tx = options1Items.size() > 0 ?
                        options1Items.get(options1).getPickerViewText() : "";

                String opt2tx = options2Items.size() > 0
                        && options2Items.get(options1).size() > 0 ?
                        options2Items.get(options1).get(options2) : "";

                String opt3tx = options2Items.size() > 0
                        && options3Items.get(options1).size() > 0
                        && options3Items.get(options1).get(options2).size() > 0 ?
                        options3Items.get(options1).get(options2).get(options3) : "";

                String tx = opt1tx + opt2tx + opt3tx;
                Toast.makeText(JsonDataActivity.this, tx, Toast.LENGTH_SHORT).show();
            }
        })
                .setTitleText("City Select")
                .setDividerColor(Color.BLACK)
                .setTextColorCenter(Color.BLACK) //设置选中项文字颜色
                .setContentTextSize(20)
                .isDialog(true)//是否显示为对话框样式
                .build();

        /*pvOptions.setPicker(options1Items);//一级选择器*/
        pvOptions.setPicker(options1Items, options2Items);//二级选择器
        //pvOptions.setPicker(options1Items, options2Items, options3Items);//三级选择器
        pvOptions.show();
    }

    private void initJsonData() {//解析数据

        /**
         * 注意：assets 目录下的Json文件仅供参考，实际使用可自行替换文件
         * 关键逻辑在于循环体
         *
         * */
        String JsonData = new GetJsonDataUtil().getJson(this, "provincejingba.json");//获取assets目录下的json文件数据

        ArrayList<JsonBean> jsonBean = parseData(JsonData);//用Gson 转成实体

        /**
         * 添加省份数据
         *
         * 注意：如果是添加的JavaBean实体，则实体类需要实现 IPickerViewData 接口，
         * PickerView会通过getPickerViewText方法获取字符串显示出来。
         */
        options1Items = jsonBean;

        for (int i = 0; i < jsonBean.size(); i++) {//遍历省份
            ArrayList<String> cityList = new ArrayList<>();//该省的城市列表（第二级）
            ArrayList<ArrayList<String>> province_AreaList = new ArrayList<>();//该省的所有地区列表（第三极）

            for (int c = 0; c < jsonBean.get(i).getCityList().size(); c++) {//遍历该省份的所有城市
                String cityName = jsonBean.get(i).getCityList().get(c).getName();
                cityList.add(cityName);//添加城市
                ArrayList<String> city_AreaList = new ArrayList<>();//该城市的所有地区列表

                //如果无地区数据，建议添加空字符串，防止数据为null 导致三个选项长度不匹配造成崩溃
                /*if (jsonBean.get(i).getCityList().get(c).getArea() == null
                        || jsonBean.get(i).getCityList().get(c).getArea().size() == 0) {
                    city_AreaList.add("");
                } else {
                    city_AreaList.addAll(jsonBean.get(i).getCityList().get(c).getArea());
                }*/
                city_AreaList.addAll(jsonBean.get(i).getCityList().get(c).getArea());
                province_AreaList.add(city_AreaList);//添加该省所有地区数据
            }

            /**
             * 添加城市数据
             */
            options2Items.add(cityList);

            /**
             * 添加地区数据
             */
            options3Items.add(province_AreaList);
        }

        mHandler.sendEmptyMessage(MSG_LOAD_SUCCESS);

    }

    public ArrayList<JsonBean> parseData(String result) {//Gson 解析
        ArrayList<JsonBean> detail = new ArrayList<>();
        try {
            JSONArray data = new JSONArray(result);
            Gson gson = new Gson();
            for (int i = 0; i < data.length(); i++) {
                JsonBean entity = gson.fromJson(data.optJSONObject(i).toString(), JsonBean.class);
                detail.add(entity);
            }
        } catch (Exception e) {
            e.printStackTrace();
            mHandler.sendEmptyMessage(MSG_LOAD_FAILED);
        }
        return detail;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (mHandler != null) {
            mHandler.removeCallbacksAndMessages(null);
        }
    }
}
