package com.dsideal.base.Tools.JkyNewData;

import cn.idev.excel.*;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;

import com.dsideal.base.Tools.JkyNewData.Util.CloseLogUtil;
import com.dsideal.base.Tools.JkyNewData.Util.ColumnConfig;
import com.dsideal.base.Tools.JkyNewData.Util.ExcelUtil;
import com.dsideal.base.Tools.Util.LocalMysqlConnectUtil;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static com.dsideal.base.Tools.JkyNewData.Util.CommonUtil.log;

public class SchoolCountSummary {
    // 配置文件
    public static final String configDir = "D:/dsWork/YunNanDsBase/src/main/java/com/dsideal/base/Tools/JkyNewData/Data/";
    public static final String excelPath = "D:/dsWork/2025年收集的人口与教育数据库（20250328）/2015-2020年的数据/基础教育";


    public static void main(String[] args) throws FileNotFoundException {
        // 一、关闭日志输出
        CloseLogUtil.Init();

        // 二、初始化数据库连接
        LocalMysqlConnectUtil.Init();

        // 三、清空数据表
        String sql = "truncate table t_yn_school_count";
        Db.update(sql);

        // 四、获取所有配置文件
        File dir = new File(configDir);
        File[] configFiles = dir.listFiles((d, name) -> name.matches("SchoolCount_\\d{4}\\.json"));

        if (configFiles != null) {
            for (File configFile : configFiles) {
                // 从文件名中提取年份
                String fileName = configFile.getName();
                String year = fileName.substring("SchoolCount_".length(), fileName.length() - 5);
                log(String.format("开始处理年份：%s", year));

                // 读取配置文件
                JSONObject config = JSON.parseObject(new FileReader(configFile));
                String filePath = String.format(excelPath + "/%s.xlsx", year);

                // 创建一个Map来存储所有处理结果
                Map<String, Map<String, Map<String, Integer>>> allResults = new HashMap<>();

                // 循环处理每种学校类型
                for (String schoolType : config.keySet()) {
                    log(String.format("开始处理学校类型：%s", schoolType));
                    // 获取当前学校类型的配置
                    JSONObject typeConfig = config.getJSONObject(schoolType);
                    Map<String, ColumnConfig> columnConfigs = new HashMap<>();

                    //表头的行数
                    int skipRows = typeConfig.getIntValue("skipRows");

                    // 转换配置为ColumnConfig对象
                    for (String key : typeConfig.keySet()) {
                        if (key.equals("skipRows")) continue;
                        JSONObject colConfig = typeConfig.getJSONObject(key);
                        columnConfigs.put(key, new ColumnConfig(
                                colConfig.getIntValue("index"),
                                colConfig.getString("name"),
                                colConfig.getString("type")
                        ));
                    }

                    // 处理当前学校类型的数据
                    allResults.put(schoolType, processSheet(filePath, schoolType, skipRows, columnConfigs));
                    log(String.format("处理学校类型：%s完成", schoolType));
                }
                log(String.format("处理年份：%s完成", year));

                // 保存统计结果到数据库
                log(String.format("开始保存年份：%s到数据库", year));
                saveToDatabase(allResults, Integer.parseInt(year));
                log(String.format("保存年份：%s到数据库完成", year));
            }
        }
        log("所有年份处理完成");
    }


    /**
     * 处理指定 Sheet 表的数据
     *
     * @param filePath      文件路径
     * @param sheetName     Sheet 表名称
     * @param skipRows      跳过的行数
     * @param columnConfigs 列配置
     * @return 处理结果Map
     */
    private static Map<String, Map<String, Integer>> processSheet(String filePath, String sheetName, int skipRows, Map<String, ColumnConfig> columnConfigs) {
        // 从指定行开始读取，使用Map接收数据
        List<Map<String, Object>> dataList = FastExcel.read(filePath)
                .sheet(sheetName)
                .headRowNumber(skipRows)
                .doReadSync();

        // 使用 Map 进行分组统计
        Map<String, Map<String, Integer>> cityDistrictMap = new HashMap<>();

        for (Map<String, Object> data : dataList) {
            try {
                // 根据列配置获取数据
                String city = ExcelUtil.getColumnValue(data, columnConfigs.get("city"));
                String district = ExcelUtil.getColumnValue(data, columnConfigs.get("district"));
                int count = ExcelUtil.getColumnValueAsInt(data, columnConfigs.get("schoolCount"));

                if (count > 0) {
                    // 如果市不存在，创建新的 Map
                    cityDistrictMap.putIfAbsent(city, new HashMap<>());

                    // 累加区对应的学校数量
                    cityDistrictMap.get(city).merge(district, count, Integer::sum);
                }
            } catch (Exception e) {
                System.err.println("处理数据行时出错: " + data);
                e.printStackTrace();
            }
        }

        return cityDistrictMap;
    }


    /**
     * 将统计结果保存到数据库
     *
     * @param allResults 所有处理结果
     * @param year       年份
     */
    private static void saveToDatabase(Map<String, Map<String, Map<String, Integer>>> allResults, int year) {
        // 先删除该年份的旧数据
        Db.delete("DELETE FROM t_yn_school_count WHERE year = ?", year);

        // 遍历所有结果并保存
        for (Map.Entry<String, Map<String, Map<String, Integer>>> schoolTypeEntry : allResults.entrySet()) {
            String schoolType = schoolTypeEntry.getKey();

            for (Map.Entry<String, Map<String, Integer>> cityEntry : schoolTypeEntry.getValue().entrySet()) {
                String city = cityEntry.getKey();

                for (Map.Entry<String, Integer> districtEntry : cityEntry.getValue().entrySet()) {
                    String district = districtEntry.getKey();
                    int count = districtEntry.getValue();

                    // 创建记录
                    Record record = new Record();
                    record.set("school_type", schoolType)
                            .set("city", city)
                            .set("district", district)
                            .set("school_count", count)
                            .set("year", year);

                    // 保存到数据库
                    Db.save("t_yn_school_count", record);
                }
            }
        }

        System.out.println("数据已成功保存到数据库");
    }
}