if (typeof(script_root) == "undefined") {
	var script_root = '';
}

function shop_init() { 
	//..
}

/*---- admin functions ----*/

var plugin_shop_admin_item_id = 0;
var plugin_shop_images = new Array();

function plugin_shop_admin_item_list() {
	document.getElementById('plugin_shop_admin').innerHTML = '<p><em>Loading Products...</em><p>';
	var url = script_root+'plugins/shop/ajax.php?action=list';
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {
		if(http.readyState == 4 && http.status == 200) {
			var htmlstr = '', i, j, k, l, items = http.responseText.split("]/*delim_item[*/"), data, subdata, subitem;
			var relation_field_idx = new Array(7,8,9,10,11);
			var relation_field_name = new Array('category','price','image','link','review');
			htmlstr += '<p><strong>Products List</strong></p>';
			if (http.responseText!='' && items.length > 0) {
				htmlstr += '<table cellspacing="0" cellpadding="0" width="100%">';
				htmlstr += '<tr><th>code</th>';
				htmlstr += '	<th>name</th>';
				htmlstr += '	<th>keywords</th>';
				htmlstr += '	<th>manufacturer</th>';
				htmlstr += '	<th>status</th>';
				htmlstr += '	<th>featured?</th>';
				htmlstr += '	<th>&nbsp;</th>';
				htmlstr += '</tr>';
				for (i=0;i<items.length;i++) {
					data = items[i].split("]/*delim_data[*/");
					if (data.length>=3) {
						htmlstr += '<tr><td>'+data[1]+'</td>';
						htmlstr += '	<td>'+data[2]+'</td>';
						htmlstr += '	<td>'+data[3]+'</td>';
						htmlstr += '	<td>'+data[4]+'</td>';
						htmlstr += '	<td>'+data[5]+'</td>';
						htmlstr += '	<td>'+data[6]+'</td>';	
						/*
						//relation fields 
						for (l=0;l<relation_field_idx.length;l++) {
							htmlstr += '	<td>';					
							if (data[relation_field_idx[l]]) {	
								subdata = data[relation_field_idx[l]].split("DELIM_SUBDATA");
								for (j=0;j<subdata.length;j++) {
									if (subdata[j]!='') {
										subitem = subdata[j].split("DELIM_SUBITEM");
										htmlstr += subitem[1]+' <small>[<a href="javascript:plugin_shop_admin_item_relation_delete('+"'"+relation_field_name[l]+"'"+','+subitem[0]+');">remove</a>]</small><br />';
									}
								}
							}
							htmlstr += '	<a href="javascript:plugin_shop_admin_item_relation_add('+"'"+relation_field_name[l]+"'"+','+data[0]+','+"'"+data[2]+"'"+');">add '+relation_field_name[l]+'</a></td>';	
						}
						//edit buttons
						htmlstr += '	<td><a href="javascript:plugin_shop_admin_item_form('+data[0]+');">edit</a>&nbsp;|&nbsp;<a href="javascript:plugin_shop_admin_item_delete('+data[0]+');">delete</a></td>';
						*/
						htmlstr += '<td>';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_relation_list(\'category\','+data[0]+',\''+data[2]+'\')">categories</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_relation_list(\'price\','+data[0]+',\''+data[2]+'\')">prices</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_relation_list(\'image\','+data[0]+',\''+data[2]+'\')">images</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_relation_list(\'link\','+data[0]+',\''+data[2]+'\')">links</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_relation_list(\'review\','+data[0]+',\''+data[2]+'\')">reviews</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_form('+data[0]+')">edit</a>&nbsp;&nbsp;';
						htmlstr += '<a href="javascript:plugin_shop_admin_item_delete('+data[0]+',\''+data[2]+'\')">delete</a>';
						htmlstr += '</td>';
						htmlstr += '<tr>';
					}
				}
				htmlstr += '</table>';
				htmlstr += '<p>Total: '+items.length+'</p>';
			} else {
				htmlstr += '<p><em>no product added yet.</em></p>';
			}
			htmlstr += '<p><a href="javascript:plugin_shop_admin_item_form(0);">add new product</a></p>';
			document.getElementById('plugin_shop_admin').innerHTML = htmlstr
		}
	}
	http.send();	
}

function plugin_shop_admin_item_form(id) {
	plugin_shop_admin_item_id = id;
	var htmlstr = '';
	htmlstr += '<table cellspacing="0" cellpadding="0">';
	htmlstr += '<tr><th>code</th><td><input id="plugin_shop_input_code" /></td></tr>';
	htmlstr += '<tr><th>name</th><td><input id="plugin_shop_input_name" /></td></tr>';
	htmlstr += '<tr><th>summary</th><td><textarea id="plugin_shop_input_descp" style="height: 50px;"></textarea></td></tr>';
	htmlstr += '<tr><th>detail</th><td><textarea id="plugin_shop_input_detail" style="height: 150px;"></textarea></td></tr>';
	htmlstr += '<tr><th>keywords</th><td><input id="plugin_shop_input_keywords" /></td></tr>';
	htmlstr += '<tr><th>manufacturer</th><td><input id="plugin_shop_input_manufacturer" /></td></tr>';
	htmlstr += '<tr><th>status</th><td><select id="plugin_shop_input_status"><option value="0" selected>Inactive</option><option value="1">Active</option></td></tr>';
	htmlstr += '<tr><th>is_featured?</th><td><input type="checkbox" id="plugin_shop_input_is_featured" value="1" /></td></tr>';
	htmlstr += '</table>';
	if (id) {
		htmlstr = '<p><strong>Editing Product</strong></p>' + htmlstr	
		htmlstr += '<p><input type="button" value="Cancel" onclick="plugin_shop_admin_item_list();" />&nbsp;<input type="button" value="Save Changes" onclick="plugin_shop_admin_item_edit('+id+');" /></p>';
		document.getElementById('plugin_shop_admin').innerHTML = htmlstr	
		var url = script_root+'plugins/shop/ajax.php?action=info&id='+id;
		var http =  AJAX_obj();
		http.open("GET", url, true)
		http.onreadystatechange = function() {
			if(http.readyState == 4 && http.status == 200) {
				var i, data = http.responseText.split("]/*delim_data[*/");
				document.getElementById('plugin_shop_input_code').value = data[1];
				document.getElementById('plugin_shop_input_name').value = data[2];
				document.getElementById('plugin_shop_input_descp').value = data[7];
				document.getElementById('plugin_shop_input_detail').value = data[8];
				document.getElementById('plugin_shop_input_keywords').value = data[3];
				document.getElementById('plugin_shop_input_manufacturer').value = data[4];
				document.getElementById('plugin_shop_input_status').value = data[5];
				document.getElementById('plugin_shop_input_is_featured').checked = (parseInt(data[6])==1?true:false);
			}
		}
		http.send();	
	} else {
		htmlstr = '<p><strong>Adding New Product</strong></p>' + htmlstr
		htmlstr += '<p><input type="button" value="Cancel" onclick="plugin_shop_admin_item_list();" />&nbsp;<input type="button" value="Add Product" onclick="plugin_shop_admin_item_add();" /></p>';
		document.getElementById('plugin_shop_admin').innerHTML = htmlstr
	}
}

function plugin_shop_admin_item_add() {
	plugin_shop_admin_item_save('add');
}

function plugin_shop_admin_item_edit() {
	plugin_shop_admin_item_save('edit');
}

function plugin_shop_admin_item_save(action) {
	var url = script_root+'plugins/shop/ajax.php?action=process';
	var params = '';
	params += '&form_action='+action;
	params += '&id='+plugin_shop_admin_item_id;
	params += '&code='+post_escape(document.getElementById('plugin_shop_input_code').value);
	params += '&name='+post_escape(document.getElementById('plugin_shop_input_name').value);
	params += '&descp='+post_escape(document.getElementById('plugin_shop_input_descp').value);
	params += '&detail='+post_escape(document.getElementById('plugin_shop_input_detail').value);
	params += '&keywords='+post_escape(document.getElementById('plugin_shop_input_keywords').value);
	params += '&manufacturer='+post_escape(document.getElementById('plugin_shop_input_manufacturer').value);
	params += '&status='+document.getElementById('plugin_shop_input_status').value;
	params += '&is_featured='+(document.getElementById('plugin_shop_input_is_featured').checked?1:0);
	var http =  AJAX_obj();
	http.open("POST", url, true)
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	http.onreadystatechange = function() {
		if(http.readyState == 4) {
			if (http.status == 200) {
				if (http.responseText=='success') {
					alert('Changes successfully saved!');
					plugin_shop_admin_item_list();
				} else {
					plugin_shop_admin_item_list();
					if (http.responseText) {
						alert(http.responseText);
					} else {
						alert('Something is wrong with the system. Please try again later.');
					}
					plugin_shop_admin_item_list();
				}
			} else {				
				alert('Ajax Status: '+http.status);				
				plugin_shop_admin_item_list();
			}
		}
	}
	http.send(params);			
}

function plugin_shop_admin_item_delete(id,descp) {
	if (confirm("Are you sure you want to delete '"+descp+"'?")) {
		plugin_shop_admin_item_id = id;
		var action = 'delete';
		var url = script_root+'plugins/shop/ajax.php?action=process';
		var params = '';
		params += '&form_action='+action;
		params += '&id='+plugin_shop_admin_item_id;
		var http =  AJAX_obj();
		http.open("POST", url, true)
		http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http.setRequestHeader("Content-length", params.length);
		http.setRequestHeader("Connection", "close");
		http.onreadystatechange = function() {
			if(http.readyState == 4) {
				if (http.status == 200) {
					if (http.responseText=='success') {
						alert('Item Deleted!');
						plugin_shop_admin_item_list();
					} else {
						plugin_shop_admin_item_list();
						if (http.responseText) {
							alert(http.responseText);
						} else {
							alert('Something is wrong with the system. Please try again later.');
						}
						plugin_shop_admin_item_list();
					}
				} else {				
					alert('Ajax Status: '+http.status);				
					plugin_shop_admin_item_list();
				}
			}
		}
		http.send(params);	
	}
}

function plugin_shop_admin_item_relation_list(relation_type,item_id,item_name) 
{
	plugin_shop_admin_item_id = item_id;
	document.getElementById('plugin_shop_admin').innerHTML = '<em>Please wait...</em>';
	var url = script_root+'plugins/shop/ajax.php?action=relation_list';
	url += '&relation_type='+relation_type;
	url += '&id='+item_id;
	var http =  AJAX_obj();
	http.open("GET", url, true)
	http.onreadystatechange = function() {
		if(http.readyState == 4 && http.status == 200) {
			if (http.responseText.substr(0,6)=='error:') {
				alert(http.responseText);
				plugin_shop_admin_item_list();
			} else {
				var i, aray = http.responseText.split(']/*delim_item[*/'), data, htmlstr = '';
				if (http.responseText!='') {
					htmlstr +=  '<p><strong>'+(relation_type=='category'?'categories':relation_type+'s')+' for	'+item_name+'</strong></p>';
					htmlstr += '<table cellspacing="0" cellpadding="0">';
					for (i=0;i<aray.length;i++) {
						data = aray[i].split(']/*delim_data[*/');
						htmlstr += '<tr valign="top">';
						htmlstr += '<td>'+data[1]+'</td>';
						htmlstr += '<td><a href="javascript:plugin_shop_admin_item_relation_delete(\''+relation_type+'\','+data[0]+','+item_id+',\''+item_name+'\');">remove</a></td>';
						htmlstr += '</tr>';
					}
					htmlstr += '</table>';
				} else {
					htmlstr += '<p><em>no '+(relation_type=='category'?'categories':relation_type+'s')+' added yet for	'+item_name+'</em></p>';
				}				
				htmlstr += '<p><a href="javascript:plugin_shop_admin_item_list();">back to list</a>&nbsp;|&nbsp;<a href="javascript:plugin_shop_admin_item_relation_add(\''+relation_type+'\','+item_id+',\''+item_name+'\');">add new '+relation_type+' for '+item_name+'</a></p>';
				document.getElementById('plugin_shop_admin').innerHTML = htmlstr;
			}
		}
	}
	http.send();	
}

function plugin_shop_admin_item_relation_add(relation_type,item_id,item_name) 
{
	plugin_shop_admin_item_id = item_id;
	var htmlstr = '';
	var title = '';
	htmlstr += '<table cellspacing="0" cellpadding="0">';
	switch (relation_type) {
	case 'category':
		title = 'Add Category for '+item_name;
		htmlstr += '<tr><th>Select from List:</th><td><select id="plugin_shop_admin_input_category"><option>Loading...</option></select></td></tr>';
		htmlstr += '<tr><th>or Add New Category:</th><td><input id="plugin_shop_admin_input_category_new" /></td></tr>';
		var url = script_root+'plugins/shop/ajax.php?action=category_list';
		var http =  AJAX_obj();
		http.open("GET", url, true)
		http.onreadystatechange = function() {
			if(http.readyState == 4 && http.status == 200) {
				var i, aray = http.responseText.split(']/*delim_item[*/'), data;
				var dropdown = document.getElementById('plugin_shop_admin_input_category');
				dropdown.options.length = 0;
				for (i=0;i<aray.length;i++) {
					data = aray[i].split(']/*delim_data[*/');
					dropdown.options[dropdown.options.length] = new Option(data[1],data[0]);
				}
			}
		}
		http.send();	
		break;
	case 'price':
		title = 'Add Price for '+item_name;
		htmlstr += '<tr><th>Description:</th><td><input type="text" id="plugin_shop_admin_input_variant" /></td></tr>';
		htmlstr += '<tr><th>Price:</th><td><input type="text" id="plugin_shop_admin_input_price" /></td></tr>';
		break;
	case 'image':
		title = 'Add Image for '+item_name;
		title += '<div id="plugin_shop_admin_images">Loading images...</div>';
		htmlstr += '<tr><th>File Path:</th><td><input type="text" id="plugin_shop_admin_input_path" disabled="disabled" style="width:200px;"  /></td></tr>';		
		htmlstr += '<tr><th>Image Caption:</th><td><input type="text" id="plugin_shop_admin_input_caption" /></td></tr>';
		var url = script_root+'plugins/shop/ajax.php?action=images';
		var http =  AJAX_obj();
		http.open("GET", url, true)
		http.onreadystatechange = function() {
			if(http.readyState == 4) {
				if (http.status == 200) {
					if (http.responseText.substr(0,6)=='error:')  {
						document.getElementById('plugin_shop_admin_images').innerHTML = http.responseText;
					} else {
						var i, aray = http.responseText.split(']/*delim_item[*/'), htmlstr = '';
						htmlstr += '<table cellspacing="5" cellpadding="0"><tr valign="top">';
						plugin_shop_images = new Array();
						for (i=0;i<aray.length;i++) {
							plugin_shop_images[i] = aray[i];
							htmlstr += '<td id="plugin_shop_admin_image_'+i+'"><a href="javascript:plugin_shop_admin_select_image('+i+');"><img src="'+aray[i]+'" width="100" /></a></td>';
						}
						htmlstr += '</tr></table>';
						document.getElementById('plugin_shop_admin_images').innerHTML = htmlstr;
					}
				} else if (http.status == 500) {					
					document.getElementById('plugin_shop_admin_images').innerHTML = 'There seems to be a problem getting the images';					
				}
			}
		}
		http.send();	
		break;
	case 'link':
		title = 'Add Link for '+item_name;
		htmlstr += '<tr><th>URL:</th><td><input type="text" id="plugin_shop_admin_input_url" /></td></tr>';
		htmlstr += '<tr><th>Descp:</th><td><input type="text" id="plugin_shop_admin_input_name" /></td></tr>';
		break;
	case 'review':
		title = 'Add Review for '+item_name;
		htmlstr += '<tr><th>Author:</th><td><input type="text" id="plugin_shop_admin_input_author" /></td></tr>';
		htmlstr += '<tr><th>Message:</th><td><textarea id="plugin_shop_admin_input_message"></textarea></td></tr>';
		break;
	default:
		alert('relation type unknown');
		return false;
	}
	htmlstr += '<tr><td colspan="2"><a href="javascript:plugin_shop_admin_item_list();">cancel</a>&nbsp;|&nbsp;<a href="javascript:plugin_shop_admin_item_relation_process(\''+relation_type+'\');">Add Now</a></td></tr>';
	htmlstr += '</table>';
	htmlstr = '<p><strong>'+title+'</strong></p>'+htmlstr;
	document.getElementById('plugin_shop_admin').innerHTML = htmlstr;
}

function plugin_shop_admin_item_relation_delete(relation_type,relation_id,item_id,item_name) 
{
	if (confirm('Are you sure you want to remove this '+relation_type+' from '+item_name+'?')) {
		document.getElementById('plugin_shop_admin').innerHTML = '<em>Please wait...</em>';
		var url = script_root+'plugins/shop/ajax.php?action=delete_relation';
		url += '&relation_type='+relation_type;
		url += '&relation_id='+relation_id;
		var http =  AJAX_obj();
		http.open("GET", url, true)
		http.onreadystatechange = function() {
			if(http.readyState == 4 && http.status == 200) {
				if (http.responseText!='success') {
					alert(http.responseText);
				}
				plugin_shop_admin_item_relation_list(relation_type,item_id,item_name);
			}
		}
		http.send();		
	}	
}

function plugin_shop_admin_item_relation_process(relation_type) 
{
	var url = script_root+'plugins/shop/ajax.php?action=add_relation';
	var params = '';
	params += '&relation_type='+relation_type;
	params += '&id='+plugin_shop_admin_item_id;
	switch (relation_type) {
	case 'category':
		params += '&category_id='+escape(document.getElementById('plugin_shop_admin_input_category').value);
		params += '&category_new='+escape(document.getElementById('plugin_shop_admin_input_category_new').value);
		break;
	case 'price':
		params += '&variant='+escape(document.getElementById('plugin_shop_admin_input_variant').value);
		params += '&price='+escape(document.getElementById('plugin_shop_admin_input_price').value);
		break;
	case 'image':
		params += '&path='+escape(document.getElementById('plugin_shop_admin_input_path').value);
		params += '&caption='+escape(document.getElementById('plugin_shop_admin_input_caption').value);
		break;
	case 'link':
		params += '&url='+escape(document.getElementById('plugin_shop_admin_input_url').value);
		params += '&name='+escape(document.getElementById('plugin_shop_admin_input_name').value);
		break;
	case 'review':
		params += '&author='+escape(document.getElementById('plugin_shop_admin_input_author').value);
		params += '&message='+escape(document.getElementById('plugin_shop_admin_input_message').value);
		break;
	default:
		alert('releation type unknown');
		return false;
	}
	var http =  AJAX_obj();
	http.open("POST", url, true)
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	http.onreadystatechange = function() {
		if(http.readyState == 4) {
			if (http.status == 200) {
				if (http.responseText=='success') {
					alert(relation_type+' added!');
					plugin_shop_admin_item_list();
				} else {
					if (http.responseText) {
						alert(http.responseText);
					} else {
						alert('Something is wrong with the system. Please try again later.');
					}
					plugin_shop_admin_item_list();
				}
			} else {				
				alert('Ajax Status: '+http.status);				
				plugin_shop_admin_item_list();
			}
		}
	}
	http.send(params);	
}

function plugin_shop_admin_select_image(idx) {	
	document.getElementById('plugin_shop_admin_input_path').value = plugin_shop_images[idx].replace(/\.\.\/\.\.\/site\/([a-z0-9-.]+)\//g,'');
}