package net.ciklum.icfpc11.controller

import net.ciklum.icfpc11.domain.Player
import net.ciklum.icfpc11.parser.Command
import net.ciklum.icfpc11.parser.ArgumentParser
import net.ciklum.icfpc11.domain.GameError
import net.ciklum.icfpc11.parser.ArgumentCompiler

/**
 * blabla
 * @author vic
 */
@Typed
final class ConsolePlayer extends Player {

    private final ArgumentParser parser = new ArgumentParser()
    private final BufferedReader input
    private final PrintStream output
    private final ArgumentCompiler compiler = new ArgumentCompiler()

    ConsolePlayer(String name) {
        this(name, System.in)
    }

    ConsolePlayer(String name, InputStream stream) {
        super(name)
        input = new BufferedReader(new InputStreamReader(stream))
        output = System.out
    }

    Command getNextCommand() {
        try {
            String s0 = input.readLine()
            if (s0 == null) {
                // Null card - Game ended
                return null
            }
            String s1 = input.readLine()
            if (s1 == null) {
                // Null card - Game ended
                return null
            }
            String s2 = input.readLine()
            if (s2 == null) {
                // Null card - Game ended
                return null
            }
            Command command = parser.parse(s0, s1, s2)
            return command
        }
        catch (Exception e) {
            // e.printStackTrace(System.err)
            // Most probably EOF - game ended :)
            return null
        }
    }

    void respondCommand(Command response) {
        output.print compiler.compile(response)
        output.flush()
    }
}