package com.dsideal.base.DataEase.Model;

import com.jfinal.kit.Kv;
import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;
import com.jfinal.plugin.activerecord.SqlPara;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import java.util.ArrayList;
import java.util.List;


public class DataEaseModel {
    //DataEase数据库名称
    public static final String DB_NAME = "dataease";

    /**
     * 获取当前人员可以看到哪些数据集
     *
     * @param identity_id 身份id
     * @return 数据集列表
     */
    public List<Record> getDataSetByIdentityId(int identity_id) {
        String sql = "select * from t_dp_dataset where owner_id=? order by dataease_id desc";
        return Db.find(sql, identity_id);
    }

    /**
     * 获取数据集对应的表
     *
     * @param dataset_id 数据集id
     * @return
     */
    public List<Record> getDataSetTableContent(int dataset_id) {
        Record record = getTableName(dataset_id);
        if (record == null) return null;
        String sql = "select * from `" + record.getStr("table_name") + "`";
        List<Record> list = Db.use(DB_NAME).find(sql);
        return list;
    }

    /**
     * 根据数据集id获取表名
     *
     * @param dataset_id 数据集id
     * @return 表对象
     */
    public Record getTableName(int dataset_id) {
        String sql = "select * from t_dp_dataset where id=?";
        return Db.findFirst(sql, dataset_id);
    }

    /**
     * 保存数据集对应的表
     *
     * @param dataset_id 数据集id
     * @param ja         json数组
     */
    public void saveDataSetTable(int identity_id, int dataset_id, String xmqh, JSONArray ja) {
        String tableName = getTableName(dataset_id).getStr("table_name");
        if (identity_id > 1) {
            String sql = "delete from dataease.`" + tableName + "` where `行政区划`=?";
            Db.update(sql, xmqh);
        } else {
            String sql = "delete from dataease.`" + tableName + "`";
            Db.update(sql);
        }
        List<Record> list = new ArrayList<>();
        for (int i = 0; i < ja.size(); i++) {
            JSONObject jsonObject = ja.getJSONObject(i);
            //遍历jo的每一个属性
            // 或者使用keySet和for-each循环遍历
            Record record = new Record();
            for (Object key : jsonObject.keySet()) {
                Object value = jsonObject.get(key);
                if (value.equals("null")) value = null;
                record.set(key.toString(), value);
            }
            list.add(record);
        }
        Db.use("dataease").batchSave(tableName, list, 100);
    }


    /**
     * 获取指定大屏中的地图配置信息
     *
     * @param bigScreenId 大屏ID
     * @return
     */
    public List<Record> getMap(long bigScreenId) {
        String sql = "select id,custom_attr from dataease.core_chart_view where scene_id=? and type='map'";
        List<Record> list = Db.find(sql, bigScreenId);
        return list;
    }

    /**
     * 获取城市编码
     *
     * @param cityName 城市名称
     * @return 城市编码
     */
    public String getCityCode(String cityName) {
        String sql = "select area_code from t_city_code where area_name=?";
        return Db.findFirst(sql, cityName).getStr("area_code");
    }

    /**
     * 修改大屏的城市地图为指定的城市
     *
     * @param dataVisualizationName 大屏名称
     * @param cityName              城市名称
     */
    public void updateCity(String dataVisualizationName, String cityName) {
        //取出大屏的ID值
        String sql = "select * from dataease.data_visualization_info where name =?";
        Record dataVisualizationInfo = Db.findFirst(sql, dataVisualizationName);
        long bigScreenId = dataVisualizationInfo.getLong("id");
        // 配置的内容
        List<Record> list = getMap(bigScreenId);
        for (Record record : list) {
            long id = record.getLong("id");
            com.alibaba.fastjson.JSONObject jo = com.alibaba.fastjson.JSONObject.parseObject(record.getStr("custom_attr"));
            //获取城市编码
            String area_code = getCityCode(cityName);
            //修改城市编码
            jo.getJSONObject("map").put("id", area_code);
            jo.getJSONObject("map").put("level", "city");
            //写到数据库
            String jsonString = jo.toJSONString();
            Db.update("update dataease.core_chart_view set custom_attr=? where id=?", jsonString, id);
        }
    }


    /**
     * 获取数据集的表名
     *
     * @param dataset_group_id 数据集的id
     * @return 表名
     */
    public String getTableName(long dataset_group_id) {
        Kv kv = Kv.by("dataset_group_id", dataset_group_id);
        SqlPara sqlPara = Db.getSqlPara("DataEase.getTableName", kv);
        return Db.findFirst(sqlPara).getStr("table_name");
    }


    /**
     * 将数据集填充到数据库表中，用于配置此数据集让谁来维护
     *
     * @param parent_name  数据集的父名称
     * @param table_name   表名
     * @param dataset_name 数据集名
     */
    public void collectDataSet(String parent_name, String table_name, String dataset_name, long dataease_id) {
        String sql = "select count(1) from t_dp_dataset where table_name=?";
        if (Db.queryInt(sql, table_name) == 0) {
            Record record = new Record();
            record.set("parent_name", parent_name.replace("-", ""));
            record.set("table_name", table_name);
            record.set("dataset_name", dataset_name);
            if (parent_name.contains("省")) {
                record.set("owner_id", 1);
            } else if (parent_name.contains("市") || parent_name.contains("州")) {
                record.set("owner_id", 2);
            } else if (parent_name.contains("县")) {
                record.set("owner_id", 3);
            }
            record.set("dataease_id", dataease_id);
            Db.save("t_dp_dataset", "id", record);
            System.out.println("添加数据集成功,parent_name=" + parent_name + ",table_name=" + table_name + ",dataset_name=" + dataset_name);
        }else{
            System.out.println("数据集已存在，跳过添加");
        }
    }

    /**
     * 获取表中不允许为空的列名
     *
     * @param tableName 表名
     * @return 列名列表
     */
    public List<String> getNotNullColumns(String tableName) {
        List<String> columns = new ArrayList<>();
        String sql = "SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND IS_NULLABLE = 'NO'";
        List<Record> results = Db.find(sql, DataEaseModel.DB_NAME, tableName);
        for (Record result : results) {
            columns.add(result.get("COLUMN_NAME").toString());
        }
        return columns;
    }

    // 检查表是否存在主键
    public boolean hasPrimaryKey(String tableName) {
        String sql = "SELECT COUNT(*) as c FROM information_schema.TABLE_CONSTRAINTS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND CONSTRAINT_TYPE = 'PRIMARY KEY'";
        return Db.use("dataease").queryInt(sql, DataEaseModel.DB_NAME, tableName) > 0;
    }

    // 添加主键列，并设置为主键
    public void addPrimaryKey(String tableName) {
        // 添加 id 列
        String sql = "ALTER TABLE `" + tableName + "` ADD COLUMN `id` int(11) primary key auto_increment first";
        Db.use(DataEaseModel.DB_NAME).update(sql);
    }

    /**
     * 获取所有以 excel_ 开头的表
     *
     * @return
     */
    public List<Record> getExcelTable() {
        // 查询所有以 excel_ 开头的表
        String sql = "SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_SCHEMA = 'dataease' AND TABLE_NAME LIKE 'excel\\_%'";
        return Db.use(DataEaseModel.DB_NAME).find(sql);
    }

    /**
     * 添加主键
     */
    public void addPrimaryKey() {
        // 查询所有以 excel_ 开头的表
        List<Record> tables = getExcelTable();

        for (Record table : tables) {
            String tableName = table.getStr("TABLE_NAME");
            //没有主键的表，添加上主键
            if (!hasPrimaryKey(tableName)) {
                System.out.println("表" + tableName + "没有主键，正在添加主键...");
                addPrimaryKey(tableName);
                System.out.println("添加主键成功");
            }
        }
    }

    /**
     * 将Excel表中不允许为空的列改为允许为空
     */
    public void updateNotNullColumns() {
        // 查询所有以 excel_ 开头的表
        List<Record> tables = getExcelTable();

        for (Record table : tables) {
            String tableName = table.getStr("TABLE_NAME");
            //获取非空列
            List<String> cols = getNotNullColumns(tableName);

            for (String col : cols) {
                if (!col.equals("id")) {
                    System.out.println("列" + col + "非空，正在去掉不允许为空的限制...");
                    //去掉不允许为空的限制
                    String sql = "ALTER TABLE `" + tableName + "` MODIFY `" + col + "` VARCHAR(255) NULL";
                    Db.use(DataEaseModel.DB_NAME).update(sql);
                    System.out.println("去掉不允许为空的限制成功");
                }
            }
        }
    }

    /**
     * 将数据集添加到数据库中
     */
    public void collectDataSet() {
        //1、获取树根
        SqlPara sqlPara = Db.getSqlPara("DataEase.getTreeRoot");
        Record rRoot = Db.findFirst(sqlPara);
        long rootId = rRoot.getLong("id");

        //2、查询有哪些数据集
        Kv kv = Kv.by("id", rootId);
        kv.set("dataset", true);
        sqlPara = Db.getSqlPara("DataEase.getAllDataSet", kv);
        List<Record> list = Db.find(sqlPara);

        for (Record record : list) {
            long dataease_id = record.getLong("id");
            //数据集父名称
            String parent_name = record.getStr("parent_name");
            //数据集名称
            String dataset_name = record.getStr("name");
            //对应的表名
            String table_name = getTableName(dataease_id);
            //将这些数据集扫描到表中，然后标识这个数据集由谁来维护
            collectDataSet(parent_name, table_name, dataset_name, dataease_id);
        }
    }

    /**
     * 获取指定省份下的所有市
     *
     * @param area_name
     * @return
     */
    public Record getAreaByName(String area_name) {
        String sql = "select * from t_dm_area where area_name=?";
        return Db.findFirst(sql, area_name);
    }

    /**
     * 指定父级id获取所有子级
     *
     * @param parent_id 父级id
     * @return
     */
    public List<Record> getAreaList(String parent_id) {
        String sql = "select * from t_dm_area where parent_id=?";
        return Db.find(sql, parent_id);
    }

    /**
     * 指定表格是不是有指定名称的列
     * @param tableName 表名
     * @return
     */
    public boolean hasNoColumnName(String tableName, String columnName) {
        String sql = "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'dataease' AND TABLE_NAME = ? AND COLUMN_NAME = ?";
        return Db.find(sql, tableName,columnName).isEmpty();
    }

    /**
     * 添加上指定名称的列
     * @param tableName 表名
     * @param columnName 列名
     */
    public void addColumn(String tableName, String columnName){
        String sql="ALTER TABLE `"+tableName+"` ADD COLUMN `"+columnName+"` varchar(255) NULL";
        Db.use(DataEaseModel.DB_NAME).update(sql);
    }
}