#include <iostream>
#include "Terminal.hpp"

std::string Terminal::getString() {
    return s;
}

void Terminal::init(){
    s = s + cursor;
}

void Terminal::setString(char c) {
//    s.erase(s.end() - 1);
//    s = s + c + cursor;
    int i = s.find(cursor);
    std::cout << i << std::endl;
    std::cout<< s.length() -1 <<std::endl;
    if(i < s.length() -1 ){
        s= s + s[s.length() - 1];
        int l = s.length() - 1;
        for(; l > i + 1; l--){
            s[l] = s[l-1];
        }
        s[i+1] = c;
    }
    else{
        s = s + cursor;
        s[s.length()-2] = c;


    }
}

void Terminal::subString(){
//    if(s.length() > 1)
//    s.erase(s.end() - 1);
//    s.erase(s.end() - 1);
//    s = s + cursor;
    if(s.length() > 1) {
        int i = s.find(cursor);
        s.erase(i - 1, 1);
    }
}

void Terminal::shiftpressed() {
      status = 1;

}

void Terminal::shiftup() {
    status = 0;

}

int Terminal::getstatus() {
    return status;
}

void Terminal::moveleft(){
    int i = s.find(cursor);
    if(i > 0){
        char c = s[i-1];
        s[i-1] = cursor;
        s[i] = c;
    }
}

void Terminal::moveright() {
    int i = s.find(cursor);
    if(i < (s.length() - 1)){
        char c = s[i+1];
        s[i+1] = cursor;
        s[i] = c;
    }
}

void Terminal::movedown() {
//    std::string news="";
//    int i = s.find(cursor);
//    s.erase(i, 1);
//
//    std::vector<std::vector<char>> vec(100,std::vector<char>(21,0));
//    for(int n = 0; n < 100; n++){
//        if(n*21 < s.length()) {
//            for (int m = 0; m < 21; m++) {
//                int sum = n * 21 + m;
//                if (s[sum] != '\n') {
//                    vec[n][m] = s[sum];
//                    std::cout<<"vec before" +  vec[n][m]<<std::endl;
//                }
//                else {
//                    vec[n][m] = s[sum];
//                    break;
//                }
//            }
//        }
//        else {
//            break;
//        }
//    }
//
//    int cursorrow = i / 21;
//    int cursorcolumn =i % 21;
//    std::cout<<"before" + std::to_string(cursorrow) + ' '+ std::to_string(cursorcolumn)<<std::endl;
//    if(vec[cursorrow+1].size() >= cursorcolumn){
//        cursorrow++;
//    }
//    else if(vec[cursorrow+1].size() >=1){
//        cursorrow++;
//        cursorcolumn = vec[cursorrow].size()-1;
//    }
//    std::cout<<"after" + std::to_string(cursorrow) + ' '+ std::to_string(cursorcolumn)<<std::endl;
//
//  for(int n = 0; n < 100; n++){
//      for(int m=0;m<21;m++){
//          if((n==cursorrow) && (m==cursorcolumn)){
//           news = news + cursor;
//          }
//          else if(vec[n][m] != '\n'){
//          std::cout<<"vec after" +  vec[n][m]<<std::endl;
//          news = news + vec[n][m];
//          }
//          else{
//              news = news + vec[n][m];
//              break;
//          }
//      }
//  }
//
//  std::cout<< news<<std::endl;


    int count =0;
    for(int i = 0; i < s.length(); i++) {
        if (s[i] == '\n') {
            count = 0;
        }
        else {
            if(s[i]!=cursor)
            count++;
        }
        if(count == 22){
            s = s + s[s.length() - 1];
            int x = s.length() - 1;
            for(; x > i; x--){
                s[x] = s[x-1];
            }
            s[x] = '\n';
            count = 0;
        }
    }
    std::cout<<"plus enter:" + s <<std::endl;
    int cursorposition = s.find(cursor);
    int aftercursorenter1 = s.find('\n',cursorposition);
    int beforcursorenter = cursorposition - 1;
    while (beforcursorenter >= 0){
            if (s[beforcursorenter] != '\n') {
                beforcursorenter--;
            } else {
                break;
            }
        }
    std::cout<<"cursorpositon:" + std::to_string(cursorposition)<<std::endl;
    std::cout<<"aftercursorenter1:" + std::to_string(aftercursorenter1)<<std::endl;
    std::cout<<"beforecursorenter:" + std::to_string(beforcursorenter)<<std::endl;
        if(aftercursorenter1 != s.npos) {
            int aftercursorenter2 = s.find('\n', aftercursorenter1 + 1);
            std::cout<<"aftercursorenter2:" + std::to_string(aftercursorenter2)<<std::endl;
            if(aftercursorenter2 != s.npos){
                std::cout<<"enter the loop & aftercursorenter2 !=s.npos" <<std::endl;
                if((aftercursorenter2 - aftercursorenter1) >= (cursorposition - beforcursorenter)) {
                    for(int newcursorposition = cursorposition;newcursorposition < (aftercursorenter1 + cursorposition -beforcursorenter -1);newcursorposition++){
                        s[newcursorposition] = s[newcursorposition + 1];
                    }
                    s[aftercursorenter1 + cursorposition - beforcursorenter -1] = cursor;
                }
                else{
                    for(int newcursorposition = cursorposition;newcursorposition < (aftercursorenter2); newcursorposition++){
                        s[newcursorposition] = s[newcursorposition + 1];
                    }
                    s[aftercursorenter2] = cursor;
                }

            }
            else{
                std::cout<<"enter the loop & aftercursorenter2 ==s.npos" <<std::endl;
                std::cout<<"elsecursorpositon:" + std::to_string(cursorposition)<<std::endl;
                std::cout<<"elseaftercursorenter1:" + std::to_string(aftercursorenter1)<<std::endl;
                std::cout<<"elsebeforecursorenter:" + std::to_string(beforcursorenter)<<std::endl;
                if((s.length()- 1 - aftercursorenter1) >= (cursorposition - beforcursorenter)) {
                    std::cout<<"enter the loop if" <<std::endl;
                    for(int newcursorposition=cursorposition; newcursorposition < (aftercursorenter1 + cursorposition -beforcursorenter -1); newcursorposition++){
                        s[newcursorposition] = s[newcursorposition + 1];
                        std::cout<<"forcursorpositon:" + std::to_string(cursorposition)<<std::endl;
                    }
                    s[aftercursorenter1 + cursorposition - beforcursorenter -1] = cursor;
                    std::cout<<"new cursorposition" + std::to_string(aftercursorenter1 + cursorposition - beforcursorenter -1) <<std::endl;
                    std::cout<<"delect enter:" + s <<std::endl;
                }
                else{
                    std::cout<<"enter the loop else" <<std::endl;
                    for(int newcursorposition = cursorposition;newcursorposition < (s.length() -1); newcursorposition++){
                        s[newcursorposition] = s[newcursorposition + 1];
                    }
                    std::cout<<"new cursorposition" + std::to_string(s.length() - 1) <<std::endl;
                    s[s.length() - 1] = cursor;
                }
            }

        }
    std::cout<<"after down:" + s <<std::endl;

    count = 0;
    for(int i = 0; i < s.length(); i++) {
        if(s[i] != cursor) {
            count++;
        }
       if((count ==22)){
           for(int n=i; n < s.length();n++){
               s[n] = s[n+1];
           }
           s = s.substr(0,s.length()-1);

           count =1;
       }
    }
    std::cout<<"delect enter:" + s <<std::endl;



}

void Terminal::moveup() {
    int count =0;
    for(int i = 0; i < s.length(); i++) {
        if (s[i] == '\n') {
            count = 0;
        }
        else {
            if(s[i]!=cursor)
                count++;
        }
        if(count == 22){
            s = s + s[s.length() - 1];
            int x = s.length() - 1;
            for(; x > i; x--){
                s[x] = s[x-1];
            }
            s[x] = '\n';
            count = 0;
        }
    }
    std::cout<<"plus enter:" + s <<std::endl;
    int cursorposition = s.find(cursor);
    int beforecursorenter1 = cursorposition - 1;
    while (beforecursorenter1 >= 0){
        if (s[beforecursorenter1] != '\n') {
            beforecursorenter1--;
        } else {
            break;
        }
    }

    std::cout<<"cursorpositon:" + std::to_string(cursorposition)<<std::endl;
    std::cout<<"beforecursorenter1:" + std::to_string(beforecursorenter1)<<std::endl;
    if(beforecursorenter1 != -1) {
        int beforecursorenter2 = beforecursorenter1 - 1;
        while (beforecursorenter2 >= 0){
            if (s[beforecursorenter2] != '\n') {
                beforecursorenter2--;
            } else {
                break;
            }
        }


        std::cout<<"beforecursorenter2:" + std::to_string(beforecursorenter2)<<std::endl;
        if(beforecursorenter2 != -1){
            std::cout<<"enter the loop & beforecursorenter2 !=-1" <<std::endl;
            if((beforecursorenter1 - beforecursorenter2) >= (cursorposition - beforecursorenter1)) {
                for(int newcursorposition = cursorposition;newcursorposition > (beforecursorenter2 + cursorposition - beforecursorenter1 );newcursorposition--){
                    s[newcursorposition] = s[newcursorposition - 1];
                }
                s[beforecursorenter2 + cursorposition - beforecursorenter1] = cursor;
            }
            else{
                for(int newcursorposition = cursorposition;newcursorposition > (beforecursorenter1); newcursorposition--){
                    s[newcursorposition] = s[newcursorposition -1];
                }
                s[beforecursorenter1] = cursor;
            }

        }
        else{
            std::cout<<"enter the loop & aftercursorenter2 ==s.npos" <<std::endl;
            std::cout<<"elsecursorpositon:" + std::to_string(cursorposition)<<std::endl;
            std::cout<<"elsebeforecursorenter1:" + std::to_string(beforecursorenter1)<<std::endl;
            std::cout<<"elsebeforecursorenter2:" + std::to_string(beforecursorenter2)<<std::endl;
            if((beforecursorenter1 + 1) >= (cursorposition - beforecursorenter1)) {
                std::cout<<"enter the loop if" <<std::endl;
                for(int newcursorposition=cursorposition; newcursorposition > (cursorposition -beforecursorenter1 -1); newcursorposition--){
                    s[newcursorposition] = s[newcursorposition - 1];
                    std::cout<<"forcursorpositon:" + std::to_string(cursorposition)<<std::endl;
                }
                s[cursorposition -beforecursorenter1 -1] = cursor;
                std::cout<<"new cursorposition" + std::to_string(cursorposition -beforecursorenter1 -1) <<std::endl;
                std::cout<<"delect enter:" + s <<std::endl;
            }
            else{
                std::cout<<"enter the loop else" <<std::endl;
                for(int newcursorposition = cursorposition;newcursorposition > (beforecursorenter1); newcursorposition--){
                    s[newcursorposition] = s[newcursorposition - 1];
                }
                std::cout<<"new cursorposition" + std::to_string(beforecursorenter1) <<std::endl;
                s[beforecursorenter1] = cursor;
            }
        }

    }
    std::cout<<"after up:" + s <<std::endl;

    count = 0;
    for(int i = 0; i < s.length(); i++) {
        if(s[i] != cursor) {
            count++;
        }
        if((count ==22)){
            for(int n=i; n < s.length();n++){
                s[n] = s[n+1];
            }
            s = s.substr(0,s.length()-1);

            count =1;
        }
    }
    std::cout<<"delect enter:" + s <<std::endl;



}