#include <stdio.h>
#include <string.h>
#include <iostream>
#include <fstream>

using namespace std;


string removeLastNewLine(string s);
string getModel(string path);

/*
 *
 *    g++ -Wall -o cctv_radar cctv_radar.cpp mcp3008Spi.cpp logger.cpp libftpclient.a -lcurl -lwiringPi -pthread
 *
 */
int main(void)
{
    cout << "Hello World!\n";


    char * cLine = NULL;
    string path;
    size_t len = 0;

    int loop = 0;

    int devicesSize = 0;

    string devices[5];


    FILE* outputfileHwinfo = popen("hwinfo --short --disk", "r");

    if (outputfileHwinfo == NULL) {
        exit(EXIT_FAILURE);
    }

    while ((getline(&cLine, &len, outputfileHwinfo)) != -1) {

        if(loop > 0) {

            string line = string(cLine);

            path = line.substr (2,8);

            devices[devicesSize] = path;

            devicesSize++;
        }

        loop++;
    }

    fclose(outputfileHwinfo);


    
cout << "Model: " << getModel(devices[0]) << endl;



    return 0;
}

string getModel(string path){
    
     size_t len = 0;
     
     char * cLine = NULL;
    
    string comand = ("smartctl -a " + path);
    const char *cComand = comand.c_str();

    FILE* outputfileSmart = popen(cComand, "r");

    while ((getline(&cLine, &len, outputfileSmart)) != -1) {

        string line = string(cLine);

        //cout << line << endl;

        string str2 ("Device Model:");
        size_t found = line.find(str2);
        if (found!=string::npos) {
            // cout << "Device Model: at: " << found << '\n';
            // cout << line << endl;

            int size = line.length();


            string str3 (":");
            found = line.find(str3);

            //cout << "Found1: " << found << endl;

            for(int i = (found+1); i < size; i++) {

                if(line[i] != ' ') {
                    // cout << i << endl;
                    found = i;
                    break;
                }

            }

 

            string model = line.substr (found, size);

            model = removeLastNewLine(model);

           // cout << model << endl;
            
            return model;

        }

    }
    
    return "error";
    
}



string removeLastNewLine(string s) {
    if (!s.empty() && s[s.length()-1] == '\n') {
        s.erase(s.length()-1);
    }
    return s;
}