var itemsArray = [];
var multipleArray = [];

var waterLevel;
var staLevel;

var characterIsDead = false; 
var hasCanteen = false;

var characterClass = " ";

var itemUsed;

var usedItemClicked = false;


var S2_usedRope = false;



var S3_caveFirst = false;
var S3_chooseCave = false;
var S3_chooseJuniper = false;
var S3_choice = 0;
var S3_hasFire =  false;
var S3_grass = false;
var S3_shallowBed = false;
var S3_deepBed = false;
var S3_noImprovement = false;


var S4_boatLevel = 0;

var S5_maxedWater = false;
var S5_grassBed = false;
var S5_hasFire = false;
var S5_tea = false;


var globalIndex;	//the index within itemsArray that refers to the currently selected <li> item

var S9_open_cistern = false;
var S9_open_outhouse = false;
var S9_open_cellar = false;
var S9_ladder_free = false;




function InventoryItem(id,name,usable){
	this.idValue = id;
	this.nameValue = name;
	this.isUsable = usable;
}

$(document).ready(function() {
	waterLossCounter = 0;
	staLossCounter = 0;

	
	waterLevel = 9; //9
	staLevel = 5; //3
	updateStats();
	
	hideValue('#hidden_text');
	hideValue('#system_messages');
	hideValue(".locationText");
	
	hideValue('#useWaterBTN');
	hideValue('#useStaBTN');

	controlTextNodes();
	
	//hideValue('#useItemBTN');

	// TESTING ONLY	
	$('#showMessages').click(function(){		
		showValue('#system_messages');
		});
	// TESTING ONLY
	$('#hideMessages').click(function(){		
		hideValue('#system_messages');	
		});			
	// TESTING ONLY
	$('#showHiddenText').click(function(){		
			showValue('#hidden_text');
		});
	// TESTING ONLY
	$('#hideHiddenText').click(function(){		
			hideValue('#hidden_text');	
		});		
	
	// TESTING ONLY
	$('#checkInventory').click(function(){		
			checkInventoryArray();	

			//alert("itemsArray length is: " + itemsArray.length);
			//alert("class is: " + characterClass);
			alert("boat level is: " + S4_boatLevel);

	});  //end $('#checkInventory').click
	
	
	
	

	
	
	
	
}); //end $(document).ready(function()













// -----------------------------------------------------------------------------------------------------------------------  //

function hideValue(value) {
	//			hideValue('#span1_item1');
	$(value).hide();
}
function showValue(value) {
	$(value).show();
}


function showElement(value) {
	//$(value).style.display = "inline";	
	$(value).style.visibility = 'visible';
}
function hideElement(value) {
	//$(value).style.display = "none";
	$(value).css('display','none');
}

// -----------------------------------------------------------------------------------------------------------------------  //

function controlTextNodes() {  
		
		$('#span0_1').click(function(){		
		//	alert("1 clicked");
			addItemToInventory("sta_item", "snack", false);
		});
		$('#span0_2').click(function(){		
		//	alert("2 clicked");
			addItemToInventory("boat_part", "rudder", false);
		});
		$('#span0_3').click(function(){		
		//	alert("3 clicked");
			removeSingle("sta_item");
		});
		$('#span0_4').click(function(){		
		//	alert("4 clicked");
			removeSingle("boat_part");
		});
		$('#span0_5').click(function(){		
		//	alert("5 clicked");
			selectMultiple("sta_item");
		});
		$('#span0_6').click(function(){		
		//	alert("6 clicked");
			selectMultiple("boat_part");
		});
		$('#span0_7').click(function(){		
		//	alert("7 clicked");
			removeMultiple();
		
		});
		$('#span0_8').click(function(){		
		//	alert("8 clicked");
			removeMultiple();
		
		});
		$('#span0_9').click(function(){		
		//	alert("9 clicked");
			setAsUsable("boat_part");
		});
		
		//--------------------------------------
		
		$('#span0_10').click(function(){		
			changeWater(+1);
		});
		$('#span0_11').click(function(){		
			changeSta(+1);
		});
		$('#span0_12').click(function(){		
			changeVit(+1);
		});
		$('#span0_13').click(function(){		
			changeWater(-1);
		});
		$('#span0_14').click(function(){		
			changeSta(-1);
		});
		$('#span0_15').click(function(){		
			changeVit(-1);
		});
		$('#span0_16').click(function(){		
		//	alert("9 clicked");
			alert ("water is: " + waterLevel + " | stamina is: " + staLevel + " | vitality is: " + vitLevel );
		});
	
	
$("#useStaBTN").click(function() {	
	var x = findIndex("sta_item");
	if (!(x === null) && staLevel < 5){
			changeSta(+1);
		removeSingle("sta_item");
		}
/*
	if(x === "sta_item" && staLevel < 5) {
		changeSta(+1);
		removeSingle("sta_item");
	}
	*/
});	
$("#useWaterBTN").click(function() {	
	var y = findIndex("full_bottle");
	if (!(y === null) && waterLevel < 9){
	//	alert("bottle");
			changeWater(+1);
			$("#water_div").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
			removeSingle("full_bottle");
			removeSingle("empty_bottle");
			removeSingle("full_bottle");
			addItemToInventory("empty_bottle", "Bottle (empty)", false);
		}	
});	

$("#changeFont1").click(function() {	//font-size: 1.15em;
	$("#current_text_area").css('font-family', 'Sans-Serif');
	$("#current_text_area").css('font-size', '1.0em');
	
});	
$("#changeFont1L").click(function() {	//font-size: 1.15em;
	$("#current_text_area").css('font-family', 'Sans-Serif');
	$("#current_text_area").css('font-size', '1.15em');
	/*$("#current_text_area").css('line-height', '1.3em');*/
	
});	
$("#changeFont2").click(function() {	
	$("#current_text_area").css('font-family', 'sheep_sans');
	$("#current_text_area").css('font-size', '1.15em');
	
});	
$("#changeFont2L").click(function() {	
	//alert("sdd");
	$("#current_text_area").css('font-family', 'sheep_sans');
	$("#current_text_area").css('font-size', '1.3em');
});
$("#showPageID").click(function() {	//font-size: 1.15em;
	//$("#locationText").show();
	showValue(".locationText");
});	
$("#hidePageID").click(function() {	//font-size: 1.15em;
	//$("#locationText").hide();
	hideValue(".locationText");
});	

//=------------------------------------------

		setText(S1_01);
		

		
	//	setText(S5_05b);
	//S4_boatLevel = 1;
	
//	 characterClass="sports";
	// characterClass="survivialist";

//staLevel = 2;
//waterLevel= 4;
//updateStats();
		
//	addItemToInventory("sta_item", "Granola Bar", true);
	//addItemToInventory("sta_item", "Granola Bar", true);
//	addItemToInventory("digging_tool", "Digging Tool", false);
		
		
} //END function controlTextNodes() { 



// -----------------------------------------------------------------------------------------------------------------------  //

function setText(value) {
	/*
		$("#current_text_area span").empty();
		temp = $(value).clone(true);
		$('#current_text_area').append(temp);
		
		//$('#hidden_text').show();
	*/
			
		$("#current_text_area span").remove();
		temp = $(value).clone(true);
		$('#current_text_area').append(temp);
		
		//$('#hidden_text').show();
		
		itemUsed = "";			
		
}



// -----------------------------------------------------------------------------------------------------------------------  //

function sendMessage(value){
	//alert("value is: " + value);
		$('#system_messages').text(value);
	
}

function appendMessage(value){
	//alert("value is: " + value);
	var val1 = $('#internal_messages').text();
	var val2 = val1 + "   |   " + value;
		$('#internal_messages').text(val2);
	
}

// -----------------------------------------------------------------------------------------------------------------------  //

function changeWater(amount){
		
	waterLevel += amount;
	/*
	if(waterLevel < 0){
		waterLevel = 0;
	}
	*/
	//hasCanteen
	if (hasCanteen == false){
		if(waterLevel > 9){
			waterLevel = 9;
	}
	}
	if (hasCanteen == false){
		if(waterLevel > 12){
			waterLevel = 12;
		}
	}
	if(waterLevel < 0){
			waterLevel = 0;
	}
	


	 $("#water_div").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
	updateStats();
} //end changeWater

function changeSta(amount){
	staLevel += amount;
	/*
	if(staLevel < 0){
		staLevel = 0;
	}
	*/
	if(staLevel > 5){
		staLevel = 5;
	}
	if(staLevel < 0){
		staLevel = 0;
	}
	$("#sta_div").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
	updateStats();
}


function updateStats() {
	$('#water_stat').text(waterLevel);
	$('#sta_stat').text(staLevel);
	
	if (waterLevel == 0 || staLevel == 0){
	//	alert("character died, probably should show a THE END screen or something");
		
	}
}

// -----------------------------------------------------------------------------------------------------------------------  //

function addItemToInventory(id,name,usable) {
	itemsArray.push(new InventoryItem(id,name,usable));
	updateInventory();	
}

//takes idValue ie "boat_part" and returns its index within itemsArray
function findIndex(idValue) {
	for(var i = itemsArray.length-1; i >= 0; i--) {
        if (itemsArray[i].idValue === idValue)
            return itemsArray.indexOf(itemsArray[i]); 
    }
    return null; 
}

//takes nameValue ie. "rudder" (which has an idValue of "boat_part")
//pretty much don't use findByName, use findIndex instead, but it's here if you need it
function findByName(nameValue) {
	//for (var i = 0; i < itemsArray.length; i++) {
	for(var i = itemsArray.length-1; i >= 0; i--) {
        if (itemsArray[i].nameValue === nameValue)
            return itemsArray.indexOf(itemsArray[i]); // Return as soon as the object is found
    }
    return null; // The object was not found
}

//DEPRECATED, use removeSingle instead
function removeItemFromInventory(value) {
/*
	var idPosition = findIndex(value);
	if(idPosition != null) {
		itemsArray.splice(idPosition,1);
	}
*/	
	var namePosition = findByName(value);	
	alert("name position is " + namePosition);	
	if(namePosition != null) {
		itemsArray.splice(namePosition,1);
	}		
	updateInventory();	
}


function removeSingle(value) {

	var idPosition = findIndex(value);
	if(idPosition != null) {
		itemsArray.splice(idPosition,1);
	}
	updateInventory();	
}


function selectMultiple(value){
	multipleArray = [];

	for (var i = 0; i < itemsArray.length; i++) {
        if (itemsArray[i].idValue === value)
        	multipleArray.push(itemsArray.indexOf(itemsArray[i]));
    }
    
   // alert("temp array: " + multipleArray);
	//updateInventory();	
}

function removeMultiple(){
	itemsArray = itemsArray.filter(function(e,i){	
		return multipleArray.indexOf(i)  == -1;
		}
	);
	//alert("newArray is:" + itemsArray);
	
	multipleArray = null;

	updateInventory();
}




function selectItem(indexValue) {
	/*
	//globalIndex = indexValue;
	
	for (var i = 0; i < itemsArray.length; i++) {		
			$("#inventory_list li").eq(i).removeClass('selected');
	}

	$("#inventory_list li").eq(indexValue).addClass('selected');

	*/
}

function setAsUsable(value) {
	 //   alert("temp array: " + multipleArray);
	    
	for (var i = 0; i < itemsArray.length; i++) {
        if (itemsArray[i].idValue === value){
        	itemsArray[i].isUsable = true;
        }
    }
}	//end setAsUsable()


//for a single item:
function setSingleAsUnusable(value) {
	   
	for (var i = 0; i < itemsArray.length; i++) {
        if (itemsArray[i].idValue === value){
        	itemsArray[i].isUsable = false;
        }
    }
}	//end setAsUsable()


// for multiple items			
function setAsUnusable(){	
	for (var i = 0; i < itemsArray.length; i++) {
		itemUsed = itemsArray[i].idValue;
		
		if(!(itemUsed === "sta_item")){
			itemsArray[i].isUsable = false;
		}
	}
}



function updateInventory() {
	clearList();	

	for (var i = 0; i < itemsArray.length; i++) {
		addLi(itemsArray[i].nameValue);
	}
	
	$("#inventory_list li").click(function() {
		//var index = -1;
       globalIndex = $(this).index();       
    //   $(this).addClass('selected');
   // alert("index is: " + globalIndex);
    	selectItem(globalIndex);   	   
    });//end inventory_list li click
    
}// end updateInventory




function clearList() {
	var list = inventory_list;
	while( list.hasChildNodes() ) {
		list.removeChild( list.lastChild );
	}
}

function addLi(text) {
	$("#inventory_bottom ol").append('<li>'+text+'</li>');
}









function changeColor() {
		alert("0: " + itemsArray[0].isUsable + " 1: " + itemsArray[1].isUsable + " 2: " + itemsArray[2].isUsable + " 3: " + itemsArray[3].isUsable + " 4: " + itemsArray[4].isUsable );    

	
	for (var i = 0; i < itemsArray.length; i++) {
			if (itemsArray[i].isUsable === true) {
		$("#inventory_list li").eq(i).addClass('testRed');
	}
	else {
	}
	}

}


	

// TESTING ONLY
function checkInventoryArray() {

	var arrayList = " ";
	for (var i = 0; i < itemsArray.length; i++) {
		arrayList += itemsArray[i].idValue + "	 | 	 ";
	}
	
	alert("" + arrayList);

}

// TESTING ONLY
function checkForItem(value) {
	if(jQuery.inArray(value, itemsArray) != -1) {
		alert("item " + value + " is in the array");
	}
	else if (jQuery.inArray(value, itemsArray) == -1) {
		alert("item " + value + " is NOT in the array, -1 returned");
	}
}