/**
 * 修改地址
 * @author: bikai<kai.bi@yoho.cn>
 * @date: 2015/11/30
 */
 var $ = require('jquery'),
     Hammer = require('yoho.hammer'),
     tip = require('../plugin/tip'),
     loading = require('../plugin/loading');

var $addressForm = $('.edit-address'),
    $submit = $('.submit'),
    $editAddressPage = $('.my-edit-address-page'),
    $addressListPage = $('.my-address-list-page'),
    $area = $('.area'),
    $footer = $('#yoho-footer'),
    $backBtn = $('.nav-back'),
    $navTitle = $('.nav-title'),
    navTitle = $navTitle.html(),
    isSubmiting,
    currentPage = 'edit',
    newArea = [];

$($editAddressPage, $addressListPage).css('min-height', function() {
    return $(window).height() - $('#yoho-header').height();
});

// 清除返回按钮原有链接
$backBtn.attr('href', 'javascript:void(0);');

// 自定义返回按钮事件
$backBtn.on('touchend', function(e) {
    if (currentPage === 'list') {
        $addressListPage.hide();
        $editAddressPage.show();
        e.preventDefault();
        currentPage = 'edit';
        $navTitle.html(navTitle);

        // 恢复默认的三级选择
        $addressListPage.hide();
        $addressListPage.find('ul').hide();
        $addressListPage.children('ul').show().children('li').show();
        newArea = [];
    } else {
        window.history.go(-1);
    }
});

// 提交表单请求
$addressForm.on('submit', function() {
    if (isSubmiting) {
        return false;
    }

    // 简单的表单校验
    if (!$(this).find('[name="consignee"]').val()) {
        tip.show('收件人不能为空');
        return false;
    }
    if (!$(this).find('[name="mobile"]').val()) {
        tip.show('手机号不能为空');
        return false;
    }
    if (!$(this).find('[name="area_code"]').val() || !$(this).find('[name="area"]').val()) {
        tip.show('省市区不能为空');
        return false;
    }
    if (!$(this).find('[name="address"]').val()) {
        tip.show('地址不能为空');
        return false;
    }

    isSubmiting = true;
    loading.showLoadingMask();
    $.ajax({
        method: 'POST',
        url: '/home/saveAddress',
        data: $(this).serialize()
    }).then(function(res) {
        if ($.type(res) !== 'object') {
            res = {};
        }
        if (res.code !== 200) {
            tip.show(res.message || '网络出了点问题~');
            isSubmiting = false;
        } else {
            window.location.href = '/home/address';
        }
    }).fail(function() {
        tip.show('网络出了点问题~');
        isSubmiting = false;
    }).always(function() {
        loading.hideLoadingMask();
    });
    return false;
});

$submit.on('touchend', function() {
    $addressForm.submit();
    return false;
}).on('touchstart', function() {
    $(this).addClass('highlight');
}).on('touchend touchcancel', function() {
    $(this).removeClass('highlight');
});

// 省市区
$area.on('touchend', function() {
    $editAddressPage.hide();
    $addressListPage.show(1, function() {
        $footer.hide();
    });
    currentPage = 'list';
    $navTitle.html('地区选择');
});

// touchend 在下滑的时候会触发
// 省市区联动
$addressListPage.find('.address').each(function(i, elem) {
    var addressHammer = new Hammer(elem);

    addressHammer.on('tap', function(e) {
        var $this = $(e.target);

        newArea.push($this.children('.caption').text());
        $this.siblings().hide();
        $this.children('ul').show().children('li').show();

        e.srcEvent.preventDefault();
        e.srcEvent.stopPropagation();
    });
});

$addressListPage.find('.address-last').each(function(i, elem) {
    var addressLastHammer = new Hammer(elem);

    addressLastHammer.on('tap', function(e) {
        var $this = $(e.target);

        // 填结果到 html
        newArea.push($this.children('.caption').text());
        $('[name="area"]').val(newArea.join(' '));
        $('[name="area_code"]').val($this.data('id'));

        $editAddressPage.show();
        currentPage = 'edit';
        $navTitle.html(navTitle);
        $footer.show();

        // 恢复默认的三级选择
        $addressListPage.hide();
        $addressListPage.find('ul').hide();
        $addressListPage.children('ul').show().children('li').show();
        newArea = [];

        e.srcEvent.preventDefault();
        e.srcEvent.stopPropagation();
    });
});

$('input, textarea').on('focus', function() {
    $footer.hide();
}).on('blur', function() {
    $footer.show();
});