//Programmer: Daniel B. Papp
//CS150 SP18
//TA:
//DATE: 03/18/2018
///The following program takes input from an investment portfolio and displays
///the content to the output device (monitor/outfile). It also calculates the
///total invested, Possible annual holdings for maximum loss and gain and whether
///the portfolio is a sound investment or not. Outputting the information to the output
///device as well.
#include <iostream>
#include <iomanip>
#include <fstream>
#include <math.h>
using namespace std;
int main()
{

///PART A Declare and Initialize____________________________________________________________________________

///1. Declare and INITAILIZE the variables
    string Symbol;
    double Invested_amount = 0;
    float currentP, maxR = 0, maxL = 0, totalInv = 0, maxRov = 0, maxLov = 0, soundness, maxRusd = 0, maxLusd = 0;
    int resp;
    bool is_sound;
    bool choice = true;
    string inFile_name;
    string outFile_name;

///2.Declare the input file
    ifstream inFile;

///3.Declare the output file
    ofstream outFile;

///4.OUTER WHILE LOOP GOES HERE
    while(choice == true){

///5. Set output fixed, showpoint, setprecision of two for all decimals
    outFile<<setprecision(2)<<showpoint<<fixed;


///6. Prompt user for the input file(Ex. folio1.txt):
    cout<< "Enter input file name: ";
    cin>>inFile_name;
        ///a. Open the input file using the users input, remember to convert string to a c string (ex. filename.c_str())
            inFile.open(inFile_name.c_str());
       if(!inFile){
        ///b. Include error handling: if file cannot be found -> exit program
            cout<<"File could not be found. Exiting program."<<endl;
            return 0;
        }
///6. Prompt user for the output file
        ///a. Use a DO-WHILE to avoid overwriting the input file
        do{
            cout<<"Under what file name would you like to save the output data (ex: folio1out.txt): ";
            cout<<"\nWARNING: name cannot be the same as the input file."<<endl;
            cin>>outFile_name;
        }
        while(outFile_name == inFile_name);
        ///b. Open the output file using the users input, remember to convert to a c string (ex. filename.c-str())
            outFile.open(outFile_name.c_str());




///PART B Input and computations____________________________________________________________________________


///7. Output the table heading to the monitor and output file here (EX. SYMBOL  CURRENT PRICE(USD) INVESTED AMOUNT(USD) MAX Return(%) Max Loss(%))
        ///Remember to use the iomanipulator class to format the output
        cout << setfill(' ') << left << setw(7) << "Symbol" << setw(20) << "Current Price (USD)"
             <<setw(22) << "Invested Amount (USD)" << setw(15) << "Max Return (%)" << setw(15) << "Max Loss (%)";

        outFile << setfill(' ') << left << setw(7) << "Symbol" << setw(20) << "Current Price (USD)"
             <<setw(22) << "Invested Amount (USD)" << setw(15) << "Max Return (%)" << setw(15) << "Max Loss (%)";

        cout<<setprecision(2)<<fixed<<showpoint;
///8. Utilize a WHILE loop to open the input file and extract the information sequentially until end of file.
        while(!inFile.eof())
         {
            ///a. Get (read) file input
            inFile>>Symbol>>currentP>>Invested_amount>>maxR>>maxL;
            ///b. Compute Max_return, Max_loss, Total_invested using a summation that continually compounds on the previous input
                    totalInv+= Invested_amount;
                    maxRusd = maxRusd + ((maxR/100)*Invested_amount);
                    maxLusd = maxLusd + ((maxL/100)*Invested_amount);

            ///c. Output all information  for each stock/asset currently in the loop (EX. QCV 30 300 100 100)

            ///cout<<Symbol<<currentP<<Invested_amount<<maxR<<maxL<<endl;
            cout<<"\n" << setfill(' ') << left << setw(7) << Symbol << setw(20) << currentP
             <<setw(22) << Invested_amount << setw(15) << maxR << setw(15) << maxL;

            outFile<<"\n" << setfill(' ') << left << setw(7) << Symbol << setw(20) << currentP
             <<setw(22) << Invested_amount << setw(15) << maxR << setw(15) << maxL;


        }///End of while loop


///9. Compute the aggregate values utilizing Max Return, Max Loss, and Total invested
        maxRov = maxRusd/totalInv;
        maxLov = maxLusd/totalInv;

///10. Check whether the investment portfolio is sound using the equation IsSound = 0.40 * Investment after Max Return percent - 0.60 * Investment after Max Loss percent
        soundness = (0.40*maxRov)-(0.60*maxLov);
        if (soundness > 1){
            is_sound = true;
        }
        else{
            is_sound = false;
        }
///Part C Output_____________________________________________________________________________________

        cout << endl << endl;
        outFile << endl << endl;

///11. Output results to the monitor, utilize the output manipulators
        cout << left << setw(10) << "Annual Analysis: " << endl;
        cout << left << setw(10) << "Total investment (USD): " <<totalInv << endl;
        cout << left << setw(10) << "Maximum return (USD): " <<maxRusd << endl;
        cout << left << setw(10) << "Maximum loss (USD): " <<maxLusd << endl;
        if(is_sound == true){
            cout << left << setw(10) << "Portfolio is a sound investment"<< endl;
        }
        else{
            cout << left << setw(10) << "Portfolio is NOT a sound investment"<< endl;
        }

///12. Output results to the file, utilize the output manipulators
        outFile << left << setw(10) << "Annual Analysis: " << endl;
        outFile << left << setw(10) << "Total investment (USD): " <<totalInv << endl;
        outFile << left << setw(10) << "Maximum return (USD): " <<maxRusd << endl;
        outFile << left << setw(10) << "Maximum loss (USD): " <<maxLusd << endl;
        if(is_sound == true){
            outFile << left << setw(10) << "Portfolio is a sound investment"<< endl;
        }
        else{
            outFile << left << setw(10) << "Portfolio is NOT a sound investment"<< endl;
        }

///14.Close the input and output files.
        outFile.close();
        inFile.close();



///15. Prompt user for continuation of program. 1 = Continue, Any other character = Exit.
        cout <<"\n\n\nEnter 1 to process another file. Enter any other key to exit: ";
        cin >> resp;

        if(resp == 1){
            choice == true;
        }
        else{
            break;
            return 0;
        }

///END OF OUTER WHILE LOOP
    }


    return 0;
}