3 files changed, 116 insertions, 5 deletions

diff --git a/js/craftmine.js b/js/craftmine.js
index 9aaae5c..000a8f2 100644
--- a/js/craftmine.js
+++ b/js/craftmine.js
@@ -11,7 +11,12 @@ function sendRequest(url, params, callback) {
 	xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
 	xhr.onreadystatechange = function() {
 		if(xhr.readyState == XMLHttpRequest.DONE && xhr.status == "200") {
-			callback(xhr);
+			var data = JSON.parse(xhr.responseText);
+			if(data.error) {
+				showError(data.error);
+				return;
+			}
+			if(callback) callback(data);
 		}
 	}
 	xhr.send(params);
@@ -24,9 +29,14 @@ function updateData() {
 	}
 }
 
+function debitAccount(amount) {
+	data.gold -= amount;
+	updateData("gold");
+}
+
 function withdrawMine() {
 	sendRequest("craftmine.php", "op=withdrawMine&amount="+data.mine, function(xhr) {
-		var gold = parseInt(xhr.responseText); // Server's response is a string
+		var gold = parseInt(xhr); // Server's response is a string
 		if(isNaN(gold)) return;
 		data.gold = gold;
 		data.mine = 0;
@@ -35,9 +45,10 @@ function withdrawMine() {
 }
 
 function initCraftMine() {
-	sendRequest("craftmine.php", "op=getCraftMine", function(xhr) {
-		var ret = xhr.responseText;
-		data.gold = parseInt(ret); // Server's response is a string
+	sendRequest("craftmine.php", "op=getCraftMine", function(ret) {
+		data.gold = parseInt(ret.gold); // Server's response is a string
+		if(ret.shop) displayShop(ret.shop);
+		displayInventory(ret.inventory);
 		updateData("gold");
 	})
 }
@@ -50,5 +61,6 @@ function updateMine() {
 
 function init() {
 	initCraftMine();
+	changeTab();
 	window.setInterval(updateMine, 1000);
 }
diff --git a/js/gui.js b/js/gui.js
new file mode 100644
index 0000000..bdf1710
--- /dev/null
+++ b/js/gui.js
@@ -0,0 +1,42 @@
+var MESSAGE_TIMEOUT = 4000;
+
+function changeTab() {
+	var hashtype = window.location.hash.substr(1,3);
+	if(hashtype != "tab") return;
+	var id = window.location.hash.substr(4);
+	var tabs = document.querySelectorAll("#tabs-panel > ul > li");
+	for(var i=0; i < tabs.length; i++) {
+		if(i == id-1)
+			tabs[i].className = "active";
+		else
+			tabs[i].className = "";
+	}
+
+}
+
+function showMessage(type, msg) {
+	var msg_box = document.getElementById(type+"-box");
+	msg_box.style.display = "initial";
+	var msg_list = msg_box.firstElementChild.firstElementChild.firstElementChild;
+	msg_list.innerHTML = "<li>" + msg + "</li>\n" + msg_list.innerHTML;
+
+	window.setTimeout(hideMessage.bind(null, type), MESSAGE_TIMEOUT);
+}
+
+function hideMessage(type) {
+	var msg_box = document.getElementById(type+"-box");
+	var msg_list = msg_box.firstElementChild.firstElementChild.firstElementChild;
+	var item = msg_list.lastElementChild;
+	msg_list.removeChild(item);
+
+	if(msg_list.children.length <= 0)
+		msg_box.style.display = "none";
+}
+
+function showError(msg) {
+	showMessage("error", msg);
+}
+
+function showInfo(msg) {
+	showMessage("info", msg);
+}
diff --git a/js/shop.js b/js/shop.js
new file mode 100644
index 0000000..00636e1
--- /dev/null
+++ b/js/shop.js
@@ -0,0 +1,57 @@
+function displayShop(ret) {
+	var tmphtml = "<h4> Select an item to buy it:</h4>";
+	tmphtml += "<ul class=\"list-inline\">";
+	for(var i=0; i < ret.items.length; i++) {
+		tmphtml += "<li>";
+		tmphtml += "<button type=\"submit\" class=\"btn btn-primary\" onclick=\"buyItem('" + ret.items[i].name + "')\"><span class=\"item-icon\">" + ret.items[i].icon + "</span><br />" + ret.items[i].name + "</button>";
+		tmphtml += "</li>";
+	}
+	tmphtml += "</ul>"
+	document.getElementById("tab2").innerHTML = tmphtml;
+}
+
+function displayInventory(items) {
+	for(var i=0; i < items.length; i++) {
+		addItem(items[i]);
+	}
+}
+
+function buildShop() {
+	sendRequest("craftmine.php", "op=buildShop", function(ret) {
+		displayShop(ret);
+		debitAccount(ret.cost);
+	});
+}
+
+function addItem(ret) {
+	var itemhtml = "<li>";
+	itemhtml += "<button type=\"submit\" class=\"btn btn-primary\" onclick=\"useItem('" + ret.name + "')\"><span class=\"item-icon\">" + ret.icon + "</span><br />" + ret.name + "</button>";
+	itemhtml += "</li>";
+
+	var invcontent = document.getElementById("tab3");
+
+	if(invcontent.children.length <= 1)
+	{
+		var tmphtml = "<h4>Your bag contains the following items:</h4>";
+		tmphtml += "<ul class=\"list-inline\">";
+		tmphtml += itemhtml;
+		tmphtml += "</ul>"
+		invcontent.innerHTML = tmphtml;
+	} else
+		invcontent.getElementsByTagName('ul')[0].innerHTML += itemhtml;
+
+	showInfo(ret.desc);
+}
+
+function buyItem(name) {
+	sendRequest("craftmine.php", "op=buyItem&item="+name, function(ret) {
+		addItem(ret);
+		debitAccount(ret.cost);
+	});
+}
+
+function useItem(name) {
+	sendRequest("craftmine.php", "op=useItem&item="+name, function(ret) {
+	});
+}
+