import("util.command");
import("util.callAsync");
import("chat.tellraw");

init();

function init()
{
    command("kill @e[type=ArmorStand,name=!validate]");
    command("summon ArmorStand -1 10 0 {CustomName:cursor,NoGravity:true}");
    command("scoreboard players set @e[type=ArmorStand,name=cursor] stdInteger 0");
    command("stats entity @e[type=ArmorStand,name=cursor] set SuccessCount @e[type=ArmorStand,name=cursor] stdInteger");
    int arg;
    main();
}

function main()
{
    isCmd("set", function()
    {
        parseArg(function()
        {
            int variable = arg;
        });
    });
    isCmd("out", function()
    {
        tellraw(variable);
    });
}

function parseArg(delegate callback)
{
    arg = -1;
    static for(static int i = 0; i <= 3; i++)
    {
        command("execute @e[type=ArmorStand,name=cursor] ~ ~ ~ testforblock ~ ~ ~ minecraft:wall_sign -1 {Text2:\\"\\\\\"{0}\\\\\"\\"}".format(i)); //"
        command("execute @e[type=ArmorStand,name=cursor,score_stdInteger_min=1] ~ ~ ~ scoreboard players set arg stdInteger {0}".format(i));
    }
    callback();
}

function isCmd(string label, delegate callback)
{
    async if("execute @e[type=ArmorStand,name=cursor] ~ ~ ~ testforblock ~ ~ ~ minecraft:wall_sign -1 {Text1:\\"\\\\\"{0}\\\\\"\\"}".format(label)) //"
    {
        callback();
    }
}