var geodata;

var piggybak_rails_admin = {
	line_item_types: <%= Piggybak.config.line_item_types.to_json %>,
	initialize_listeners: function() {
		$('#piggybak_order_shipping_address_attributes_country_id').change(function() {
			piggybak_rails_admin.update_state_option('shipping');
		});
		$('#piggybak_order_billing_address_attributes_country_id').change(function() {
			piggybak_rails_admin.update_state_option('billing');
		});
		$.each(['billing', 'shipping'], function(i, type) {
			$(document).on('change', '#' + type + '_state_id', function() {
				$('#piggybak_order_' + type + '_address_attributes_state_id').val($('#' + type + '_state_id').val());
			});
		});
		return;
	},
	populate_geodata: function() {
		$.ajax({
			url: geodata_lookup,
			cached: false,
			dataType: "JSON",
			success: function(data) {
				geodata = data;
				piggybak_rails_admin.update_state_option('shipping');
				piggybak_rails_admin.update_state_option('billing');
				$.each(['billing', 'shipping'], function(i, type) {
					$('#' + type + '_state_id').val($('#piggybak_order_' + type + '_address_attributes_state_id').val());
				});
			}
		});
	},
	update_state_option: function(type, block) {
		var country_field = $('#piggybak_order_' + type + '_address_attributes_country_id');
		var country_id = country_field.val();
		var new_field;

		if(country_id == '') {
			country_id = "<%= ::Piggybak::Country.where(abbr: Piggybak.config.default_country).first.id %>";
		}
		if(geodata.countries["country_" + country_id].length > 0) {
			new_field = $('<select>');
			$.each(geodata.countries["country_" + country_id], function(i, j) {
				new_field.append($('<option>').val(j.id).html(j.name));
			});
		} else {
			new_field = $('<input>');
		}

		var old_field = $('#piggybak_order_' + type + '_address_attributes_state_id');
		new_field.attr('name', old_field.attr('name')).attr('id', old_field.attr('id'));
		if(old_field.prop('tagName') == new_field.prop('tagName')) {
			new_field.val(old_field.val());
		}
		old_field.replaceWith(new_field);

		if(block) {
			block();
		}

		return;
	},
	toggle_line_item: function(el) {
		var line_item = el.parent().parent().parent();
		line_item.find('> div.control-group').not('.line_item_type_field').hide();
		if(piggybak_rails_admin.line_item_types[el.val()].fields !== undefined) {
			$.each(piggybak_rails_admin.line_item_types[el.val()].fields, function(a, b) {
				line_item.find('> div.' + b + '_field').show();
			});
		}
	}
};

$(function() {
	if($('#edit_piggybak_order,#new_piggybak_order').size() == 0) {
		return;
	}

	piggybak_rails_admin.populate_geodata();
	piggybak_rails_admin.initialize_listeners();

	$('#copy_from_billing').click(function(e) {
		e.preventDefault();

		$.each($('#piggybak_order_billing_address_attributes_field input'), function(i, el) {
			if($(el).attr('id') !== undefined) {
				var shipping_id = $(el).attr('id').replace('billing', 'shipping');
				$('#' + shipping_id).val($(el).val());
			}
		});
		$('#piggybak_order_shipping_address_attributes_country_id').val($('#piggybak_order_billing_address_attributes_country_id').val());
		piggybak_rails_admin.update_state_option('shipping', function() {
			$('#piggybak_order_shipping_address_attributes_state_id').val($('#piggybak_order_billing_address_attributes_state_id').val());
		});
	});

	//From polymorphic
	$.each($('.line_item_type_field select,.line_item_type_field input'), function(i, el) {
		piggybak_rails_admin.toggle_line_item($(el));
	});
	//Removing delete-ability of line_item_types that can't be destroyed
	$.each($('.line_item_type_field input'), function(i, el) {
		if(!piggybak_rails_admin.line_item_types[$(el).val()].allow_destroy) {
			$(el).parentsUntil('fieldset').parent().parent().find('.remove_nested_fields').remove();
		}
	});
});