package edu.lp2.opencm.application.cli;

import java.io.PrintStream;
import java.math.BigDecimal;
import java.util.Scanner;

import edu.lp2.opencm.application.Bootstrap;
import edu.lp2.opencm.application.service.PlanoSaudeService;
import edu.lp2.opencm.domain.model.PlanoSaude;

public final class CadastrarPlanoSaude {

    private final PrintStream out;
    private final Scanner in;
    private final PlanoSaudeService planoSaudeService;

    private abstract class ValueReader {
        abstract void set(String value);

        public void read(String prompt, boolean required) {
            while(true) {
                out.printf(prompt);
                try {
                    set(in.nextLine());
                    break;
                } catch (IllegalArgumentException e) {
                    out.printf("%s%n", e.getMessage());
                } catch (NullPointerException e) {
                    if (required) {
                        out.printf("%s%n", e.getMessage());
                    } else {
                        break;
                    }
                }
            }
        }
    }

    public CadastrarPlanoSaude(PrintStream out, Scanner in, PlanoSaudeService service) {
        this.out = out;
        this.in = in;
        this.planoSaudeService = service;
    }

    public void doMain() {
        final PlanoSaude planoSaude = new PlanoSaude();

        new ValueReader() { void set(String nome) {
            planoSaude.setNome(nome);
        }}.read("Nome do Plano :", true);

        new ValueReader() { void set(String contato) {
            planoSaude.setContato(contato);
        }}.read("Fone Contato (ex: \"(81)1234-5678\"): ", false);

        new ValueReader() { void set(String precoPadrao) {
            planoSaude.setPrecoPadrao(new BigDecimal(precoPadrao));
        }}.read("Preço Padrão da Consulta: ", false);

        planoSaudeService.add(planoSaude);
    }

    public static void main(String args[]) {
        Bootstrap app = new Bootstrap();

        try {
            app.startCli();
            app.pico.getComponent(CadastrarPlanoSaude.class).doMain();
        } finally {
            app.stop();
        }
    }

}