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#include <iostream>
#include <cstring>
#include <fstream>
#include <stdlib.h>

using namespace std;

#define MAX_WEIGHT 3000
#define MAX_LINE 1000

int tiaoxu(void)
{
    char hang[1000][50];

    fstream file;

    int i = 0;
    int maxline = 0;

     file.open("/home/user/.ringchanger/mylist",ios::in);
    if(!file)
    {
        cerr << "Can't open tiaoxu mylist" << endl;
        return 1;
    }

   while(file.getline(hang[i],50))
    {
        i++;
    }
   maxline = i;

    file.close();

    file.open("/home/user/.ringchanger/mylist",ios::out);
    if(!file)
    {
        cerr << "Can't open tiaoxu mylist" << endl;
        return 2;
    }

    for(i=0;i<1000;i++)
    hang[maxline+1][i]=hang[0][i];
    for(i=1;i<maxline+2;i++)
    {
        file << hang[i] << endl;
    }

    file.close();
}


int change(void)
{
    char hang[MAX_WEIGHT];
    char line[MAX_LINE];
    char dir[200];
    char doc[200];

    char ml[200]={"ls /home/user/.ringtones/"};
    char ml1[]={" > /home/user/.ringchanger/dirname"};
    char ml2[]={" > /home/user/.ringchanger/docname"};
    char ml3[200]={"ls /home/user/.ringtones/"};

    fstream file1, file2,file3,file4;

    system(strcat(ml,ml1));

    file1.open("/home/user/.ringchanger/dirname",ios::in);
    if(!file1)
    {
        cerr << "Can't open dirname" << endl;
        return 1;
    }

    file1.getline(dir,200);

    file1.close();

    system(strcat(strcat(ml3,dir),ml2));

    file2.open("/home/user/.ringchanger/docname",ios::in);
    if(!file2)
    {
        cerr << "Can't open docname" <<endl;
        return 1;
    }

    file2.getline(doc,200);

    file2.close();

    file3.open("/home/user/.ringchanger/mylist",ios::in);
    if(!file3)
    {
        cerr << "Can't open change mylist" << endl;
        return 1;
    }

    file4.open("/home/user/.ringchanger/yidong",ios::out);
    if(!file4)
    {
        cerr << "Can't open change yidong" << endl;
        return 1;
    }

    file3.getline(hang,MAX_WEIGHT);
    file4 << "cp -f /home/user/MyDocs/myrings/" ;

         file4 << hang;

         file4 << " /home/user/.ringtones/" << dir << "/"  << doc;

         file3.close();
         file4.close();

     file4.open("/home/user/.ringchanger/yidong",ios::in);
     if(!file4)
     {
         cerr << "Can't open change yidong" << endl;
         return 1;
     }

         file4.getline(line,MAX_LINE);

         file4.close();

    system(line);
    tiaoxu();
}


int main(void)
{
    system("if\n[ ! -d /home/user/MyDocs/myrings ]\nthen\nmkdir /home/user/MyDocs/myrings\nfi");
    system("if\n[ ! -d /home/user/.ringchanger ]\nthen\nmkdir /home/user/.ringchanger\nfi");
    system("ls /home/user/MyDocs/myrings/ > /home/user/.ringchanger/mylist");

    fstream file;

    int fileSize1 = 0;

    for(;;)
    {
        int fileSize = 0;

        system("tracker-sparql -q \"SELECT ?u { ?u a nmo:SMSMessage }\" | tail -n 2 | awk -F : \'{printf\"\%s\",$NF}\' > /home/user/.ringchanger/id");

        file.open("/home/user/.ringchanger/id",ios::in);
        if(!file)
        {
            cerr << "Can't open id" << endl;
            return 1;
        }

        file >> fileSize;

        if(fileSize != fileSize1)
        {
            sleep(3);
            change();
        }

        fileSize1=fileSize;

        file.close();
        sleep(2);
    }
}