// Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
// License: GNU General Public License v3. See license.txt

// js inside blog page

// shopping cart
frappe.provide("shopping_cart");

$.extend(shopping_cart, {
	show_error: function(title, text) {
		$("#cart-container").html('<div class="msg-box"><h4>' +
			title + '</h4><p class="text-muted">' + text + '</p></div>');
	},

	bind_events: function() {
		shopping_cart.bind_address_select();
		shopping_cart.bind_place_order();
		shopping_cart.bind_change_qty();

	},

	bind_address_select: function() {
		$(".cart-addresses").find('input[data-address-name]').on("click", function() {
			if($(this).prop("checked")) {
				var me = this;

				return frappe.call({
					type: "POST",
					method: "erpnext.shopping_cart.cart.update_cart_address",
					args: {
						address_fieldname: $(this).attr("data-fieldname"),
						address_name: $(this).attr("data-address-name")
					},
					callback: function(r) {
						if(!r.exc) {
							$(".cart-tax-items").html(r.message.taxes);
						}
					}
				});
			} else {
				return false;
			}
		});

	},

	bind_place_order: function() {
		$(".btn-place-order").on("click", function() {
			shopping_cart.place_order(this);
		});
	},

	bind_change_qty: function() {
		// bind update button
		$(".cart-items").on("change", ".cart-qty", function() {
			var item_code = $(this).attr("data-item-code");
			frappe.freeze();
			shopping_cart.update_cart({
				item_code: item_code,
				qty: $(this).val(),
				with_items: 1,
				btn: this,
				callback: function(r) {
					frappe.unfreeze();
					if(!r.exc) {
						$(".cart-items").html(r.message.items);
						$(".cart-tax-items").html(r.message.taxes);
					}
				},
			});
		});

	},

	render_tax_row: function($cart_taxes, doc, shipping_rules) {
		var shipping_selector;
		if(shipping_rules) {
			shipping_selector = '<select class="form-control">' + $.map(shipping_rules, function(rule) {
					return '<option value="' + rule[0] + '">' + rule[1] + '</option>' }).join("\n") +
				'</select>';
		}

		var $tax_row = $(repl('<div class="row">\
			<div class="col-md-9 col-sm-9">\
				<div class="row">\
					<div class="col-md-9 col-md-offset-3">' +
					(shipping_selector || '<p>%(description)s</p>') +
					'</div>\
				</div>\
			</div>\
			<div class="col-md-3 col-sm-3 text-right">\
				<p' + (shipping_selector ? ' style="margin-top: 5px;"' : "") + '>%(formatted_tax_amount)s</p>\
			</div>\
		</div>', doc)).appendTo($cart_taxes);

		if(shipping_selector) {
			$tax_row.find('select option').each(function(i, opt) {
				if($(opt).html() == doc.description) {
					$(opt).attr("selected", "selected");
				}
			});
			$tax_row.find('select').on("change", function() {
				shopping_cart.apply_shipping_rule($(this).val(), this);
			});
		}
	},

	apply_shipping_rule: function(rule, btn) {
		return frappe.call({
			btn: btn,
			type: "POST",
			method: "erpnext.shopping_cart.cart.apply_shipping_rule",
			args: { shipping_rule: rule },
			callback: function(r) {
				if(!r.exc) {
					shopping_cart.render(r.message);
				}
			}
		});
	},

	place_order: function(btn) {
		return frappe.call({
			type: "POST",
			method: "erpnext.shopping_cart.cart.place_order",
			btn: btn,
			callback: function(r) {
				if(r.exc) {
					var msg = "";
					if(r._server_messages) {
						msg = JSON.parse(r._server_messages || []).join("<br>");
					}

					$("#cart-error")
						.empty()
						.html(msg || frappe._("Something went wrong!"))
						.toggle(true);
				} else {
					window.location.href = "/orders/" + encodeURIComponent(r.message);
				}
			}
		});
	}
});

$(document).ready(function() {
	shopping_cart.bind_events();
});