pluginManager.register("NPCKit", function(lib) {

    var usage = "/npc <create|say|teleportTo> ...";
    var usageCreate = "/npc create <NPC name> <Entity ID> [Command to run on click]";
    var usageSay = "/npc say <NPC name> <Text>";
	var usageTP = "/npc teleportTo <x> <y> <z>";
    var errorColor = "rgb(255,0,0)";

    var command = lib.getBlock().command + " ";

    var type = lib.getBlock().type;
    var conditional = lib.getBlock().conditional;
    var auto = lib.getBlock().auto;

    if(command.indexOf("/npc ") == 0 || command.indexOf("npc") == 0) {
        //Is a /npc command
       command = command.substring(0,command.length-1);
        var args = command.split(" ");
        //Split the string between spaces, and get an array out of it.

        if(args.length <= 1) {
            lib.break();
            lib.throw("Error: No arguments found for /npc command. Usage: " + usage + "\n(At line " + lib.getLineNumber() + ")", errorColor);
        }

        if(args.length >= 1 && args[1] == "create") {
            if(args[2] != null && args[2].length >= 1) {
                if(args[3] != null) {
                    lib.newBefore("/give @p minecraft:spawn_egg 1 0 {display:{Name:\"" + args[2] + "\"},EntityTag:{id:\"" + args[3] + "\",Tags:[\"" + args[2] + "\"],Offers:{Recipes:[]}}}");
                    if(args[4] != null) {
                    	var uid = args[2].hashCode().toString().replace("-","_");
                        var clickCMD = args.slice(4).join(" ");
                        console.log(clickCMD);
                        lib.newBefore("/scoreboard objectives add " + uid + "c stat.talkedToVillager");
                        lib.newCommand("/execute @a[score_" + uid + "c_min=1] ~ ~ ~ /execute @e[tag=" + args[2] + "] ~ ~ ~ /execute @a[r=5,score_" + uid + "c_min=1] ~ ~ ~ /execute @e[tag=" + args[2] + ",c=1] ~ ~ ~ " + clickCMD, type, conditional, auto);
                        lib.newCommand("/scoreboard players reset @a[score_" + uid + "c_min=1] " + uid + "c", "Chain", false, true);
                    }
                } else {
                    lib.break();
                    lib.throw("Error: No entity ID found.\n(At line " + lib.getLineNumber() + ")", errorColor);
                }
            } else {
                lib.break();
                lib.throw("Error: No NPC name found.\n(At line " + lib.getLineNumber() + ")", errorColor);
            }
            lib.skip();
        }

        if(args.length >= 1 && args[1] == "say") {
            if(args[2] == null) {
            	lib.break();
            	lib.throw("Error: No NPC name found.\n(At line " + lib.getLineNumber() + ")", errorColor);
            } else {
            	var sayString = args.slice(3).join(" ");
            	lib.setCommand("/execute @e[tag=" + args[2] + "] ~ ~ ~ /say " + sayString);
            }
        }

        if(args.length >= 1 && args[1] == "teleportTo") {
        	if(args[2] == null) {
        		lib.break();
        		lib.throw("Error: No NPC name found.\n(At line " + lib.getLineNumber() + ")", errorColor);
        	} else if(args[3] == null) {
        		lib.break();
        		lib.throw("Error: No X coordinate found.\n(At line " + lib.getLineNumber() + ")", errorColor);
        	} else if(args[4] == null) {
        		lib.break();
        		lib.throw("Error: No Y coordinate found.\n(At line " + lib.getLineNumber() + ")", errorColor);
        	} else if(args[5] == null) {
        		lib.break();
        		lib.throw("Error: No Z coordinate found.\n(At line " + lib.getLineNumber() + ")", errorColor);
        	} else {
        		lib.setCommand("/tp @e[tag=" + args[2] + "] " + args[3] + " " + args[4] + " " + args[5]);
        	}
        }
    }

});