var Mobile = require('./mobile');

function NonPlayerCharacter(game) {
	
	var hunger = 0;
	var tired = 0;
	this.inventory = [];
	this.maxInventory = 10;

	this.id = 0;
	this.mobile = null;

	this.init = function(mobileId, npcData) {

		this.mobile = new Mobile();
		this.mobile.id = mobileId;
		this.id = mobileId;
		for(var key in this.mobile) {
			if(npcData.hasOwnProperty(key)) {
				this.mobile[key] = npcData[key];
			}
		}
		this.mobile.position = game.getRandomPosition();
		this.mobile.targetPosition = game.getRandomPosition();
		this.mobile.type = "npc";

		hunger = 0;
		tired = 0;
		this.inventory = [];
		return this.mobile;
	};

	this.takeOver = function(player) {
		this.mobile = player.mobile;
		this.id = player.mobile.id;
		this.inventory = player.inventory;
		this.maxInventory = player.maxInventory;
		this.mobile.type = "npc";
	}

	this.update = function(delta, game) {
		//hunger++;

		/*if(hunger > 50) {
			this.lookForFood();
			return;
		}*/
		
		switch(this.state) {
			case "sleeping":
				tired--;
				if(tired <= 0) {
					//console.log("well rested");
					this.state = "idle";
				}
				return;
				break;
			case "wandering":
				if(this.closeEnough(game)) {
					this.state = "idle";
				}
			break;
			case "idle":
			default:

			break;
		}
		tired++;

		if(tired > 50) {
			//console.log("getting sleepy");
			this.state = "sleeping";
			return;
		}

		if(this.state == "idle") {
			this.idle(game);
		}
		

		//if close to item, pick it up

		
	};

	this.closeEnough = function(game) {
		if( this.mobile.targetPosition.x == this.mobile.position.x && this.mobile.targetPosition.y == this.mobile.position.y) {
			return true;
		}
		return false;
	}

	this.idle = function(game) {
		this.randomChat(game);
		this.wander();
		this.state = "wandering";
	};

	this.randomChat = function(game) {
		var roll = parseInt(20 * Math.random() + 1);
		if(roll > 18) {
			var message = ["Hello!", "Hi!", "Is anyone there?"][parseInt(3 * Math.random())];
			game.sendChat(this.mobile, message);
		}
	}

	this.lookForFood = function() {

		//check inventory for food
			//if holding food, eat one
		//get list of foods
		//find closest food
		//set status "moving towards food"
		//set targetposition at food
	};

	this.wander = function() {
		this.mobile.targetPosition.x = parseInt(500 * Math.random() - 250);
		this.mobile.targetPosition.y = parseInt(500 * Math.random() - 250);
	};
};

module.exports = NonPlayerCharacter;