package tools;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SerializerFeature;
import org.json.CDL;
import org.json.JSONArray;
import org.json.JSONException;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

public class ContentFormat {

        public static String JsonPretty(String json) {
                JSONObject object = JSONObject.parseObject(json);
                String pretty = JSON.toJSONString(object, SerializerFeature.PrettyFormat, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteDateUseDateFormat);
                return pretty;
        }

        public static void JsonPrettyPrint(String json) {
                JSONObject object = JSONObject.parseObject(json);
                String pretty = JSON.toJSONString(object, SerializerFeature.PrettyFormat, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteDateUseDateFormat);
                System.out.println(pretty);
        }

        public static String JsonToCsv(String provincesJsonString) throws JSONException {
                JSONArray jsonArray = new JSONArray(provincesJsonString);
                return CDL.toString(jsonArray);
        }

        public static String JsonRead(String path) {
                String jsonStr = "";
                StringBuffer sb = new StringBuffer();
                String line = "";
                try {
                        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(path)));
                        while ((line = br.readLine()) != null) {
                                sb.append(line);
                        }
                        br.close();
                        jsonStr = sb.toString();
                        return jsonStr;
                } catch (Exception e) {
                        e.printStackTrace();
                        return null;
                }
        }

        public static void JsonWrite(String path, String content) {
                String line = new String();
                String fragment = new String();
                try {
                        File f = new File(path);
                        if (f.exists()) {
                                System.out.println("File exist!");
                        } else {
                                System.out.println("Creating file...");
                                if (f.createNewFile()) {
                                        System.out.println("Create file succeed!");
                                } else {
                                        System.out.println("Create file failed!");
                                }
                        }
                        BufferedReader input = new BufferedReader(new FileReader(f));
                        while ((line = input.readLine()) != null) {
                                fragment += line + "/n";
                        }
                        input.close();
                        fragment += content;
                        BufferedWriter output = new BufferedWriter(new FileWriter(f));
                        output.write(fragment);
                        output.close();
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }

        public static List FileRead(String path) {
                String line = null;
                int count = 0;
                File file = new File(path);
                if (file.exists()) {
                        try {
                                BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
                                while ((line = br.readLine()) != null) {
                                        count++;
                                }
                        } catch (Exception e) {
                                e.printStackTrace();
                        }
                } else {
                        System.out.println("文件不存在!");
                }
                String[] data = new String[count];
                try {
                        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
                        for (int i = 0; i < count; i++) {
                                data[i] = br.readLine();
                        }
                } catch (Exception e) {
                        e.printStackTrace();
                }
                List list = new ArrayList<>();
                list.add(data);
                list.add(count);
                return list;
        }

        public static void FileWrite(String path, String content) {
                String line = new String();
                String fragment = new String();
                try {
                        File f = new File(path);
                        if (f.exists()) {
                                System.out.println("文件存在");
                        } else {
                                System.out.println("文件不存在，正在创建...");
                                if (f.createNewFile()) {
                                        System.out.println("文件创建成功！");
                                } else {
                                        System.out.println("文件创建失败！");
                                }
                        }
                        BufferedReader input = new BufferedReader(new FileReader(f));
                        while ((line = input.readLine()) != null) {
                                fragment += line + "/n";
                        }
                        input.close();
                        fragment += content;
                        BufferedWriter output = new BufferedWriter(new FileWriter(f));
                        output.write(fragment);
                        output.close();
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }

        public static boolean DirDelete(String path) {
                File file = new File(path);
                if (!file.exists()) {
                        System.err.println("目录不存在！");
                        return false;
                }
                String[] content = file.list();
                for (String name : content) {
                        File temp = new File(path, name);
                        if (temp.isDirectory()) {
                                DirDelete(temp.getAbsolutePath());
                                temp.delete();
                        } else {
                                if (!temp.delete()) {
                                        System.err.println("删除失败：" + name);
                                }
                        }
                }
                return true;
        }

        public static List<RequestList> PlatformTaskParse(String content) {
                JSONObject jsonObject = null;
                jsonObject = JSON.parseObject(content);
                String data = jsonObject.getString("data");
                jsonObject = JSON.parseObject(data);
                com.alibaba.fastjson.JSONArray jsonArray = jsonObject.getJSONArray("list");
                JSONObject object = null;
                List<RequestList> requestLists = new ArrayList<RequestList>();
                if (jsonArray != null && jsonArray.size() > 0) {
                        for (int i = 0; i < jsonArray.size(); i++) {
                                object = jsonArray.getJSONObject(i);
                                RequestList requestList = new RequestList(object.getString("flowId"), object.getString("flowName"));
                                requestLists.add(requestList);
                        }
                }
                return requestLists;
        }

}