#include <iostream>
#include <exception>
#include "playpen.h"
#include "colournames.h"
#include <cctype>

int main()
{
        try {
                fgw::playpen paper;
                fgw::hue mycolor;
                int x(0);
                int y(0);
                int height(0);
                int width(0);
                int draw(0);
                std::string acolor;
                bool reject = false;

                std::cout << "Input a value for height ";
                std::cin >> height;
                if (not std::cin)
                        throw std::exception();

                std::cout << "Input a value for width ";
                std::cin >> width;
                if (not std::cin)
                        throw std::exception();

                std::cout << "Please choose a color (blue, green or red) :\n";
                std::cin >> acolor;

                for (int index(0); index < acolor.length() && not reject; index++) {
                        if (isalpha(acolor[index]))
                                continue;

                        else

                                reject = true;
                }

                if (reject) {
                        std::cout << "You must enter a non-numeric word!\n";
                        throw std::exception();
                }

                int anum(0);
                if (acolor == "blue")
                        anum = 1;
                if (acolor == "green")
                        anum = 2;
                if (acolor == "red")
                        anum = 3;

                switch (anum) {
                case 1:
                        mycolor = fgw::blue7;
                        break;

                case 2:
                        mycolor = fgw::green7;
                        break;

                case 3:
                        mycolor = fgw::red7;
                        break;

                default:
                        mycolor = fgw::black;
                        std::cout << "No valid color selected, using default black\n";
                }

                x = width / 2;
                draw = x;
                while (draw != 0) {
                        paper.scale(5);
                        paper.plot(-draw, 0, mycolor);
                        paper.display();
                        --draw;
                }

                paper.scale(5);
                paper.plot(0,0,mycolor);
                paper.display();

                draw = x;
                while (draw != 0) {
                        paper.scale(5);
                        paper.plot(draw, 0, mycolor);
                        paper.display();
                        --draw;
                }

                y = height / 2;
                draw = y;
                while (draw != 0) {
                        paper.scale(5);
                        paper.plot(0, -draw, mycolor);
                        paper.display();
                        --draw;
                }

                draw = y;
                while (draw != 0) {
                        paper.scale(5);
                        paper.plot(0, draw, mycolor);
                        paper.display();
                        --draw;
                }

                std::cin.ignore();
                std::cin.get();
        }

        catch (...) {
                std::cerr << "***An Exception was thrown***\n";
        }

}