<?php

namespace Index;

use LibModels\Wap\Home\CartData;
use Plugin\Images;

/**
 *
 * @name CartModel
 * @package models/Index
 * @copyright yoho.inc
 * @version 1.0 (2015-11-09 14:05:09)
 * @author Gtskk (tttt6399998@126.com)
 */
class CartModel
{

	/**
	 * @param integer $uid 用户ID
	 * @return array|mixed 处理之后的购物车数据
	 */
	public static function getCartData($uid)
	{
		$result = array(
			'cartNav' => true,
			'showLoginInfo' => true
		);

		// 调用接口获取购物车的数据
		$cartData = CartData::cartData($uid);

		// 处理普通购物车和预售购物车的数据
		if (isset($cartData['data']) && !empty($cartData['data'])) {
			$cart = $cartData['data'];

			/* 普通购物车 */
			if(isset($cart['ordinary_cart_data'])) {
				$result['commonGoodsCount'] = count($cart['ordinary_cart_data']['goods_list']);
				$result['commonCart'] = self::procCartData($cart['ordinary_cart_data']);
			}

			/* 预售购物车 */
			if(isset($cart['advance_cart_data'])) {
				$result['presellGoodsCount'] = count($cart['advance_cart_data']['goods_list']);
				$result['preSellCart'] = self::procCartData($cart['advance_cart_data']);
			}

		}

		return $result;
	}

	/**
	 * 移出购物车
	 *
	 * @param int $uid 用户ID
	 * @param string $sku 商品sku列表
	 * @return array 接口返回的数据
	 */
	public static function removeFromCart($uid, $sku)
	{
		$result = array('code' => 400, 'message' => '出错啦~');

		// 处理sku
		$sku_list = json_encode(array($sku => 1));

		$remove = CartData::removeFromCart($uid, $sku_list);
		if ($remove && isset($remove['code'])) {
			$result['code'] = $remove['code'];
			$result['message'] = $remove['message'];
		}

		return $result;
	}

	/**
	 * 移入收藏夹
	 *
	 * @param int $uid 用户ID
	 * @param string $sku 商品sku列表
	 * @return array 接口返回的数据
	 */
	public static function addToFav($uid, $sku)
	{
		$result = array('code' => 400, 'message' => '出错啦~');

		// 处理sku
		$sku_list = json_encode(array($sku => 1));

		$add = CartData::addToFav($uid, $sku_list);
		if ($add && isset($add['code'])) {
			$result['code'] = $add['code'];
			$result['message'] = $add['message'];
		}

		return $result;
	}

	/**
	 * 修改购物车商品数据
	 *
	 * @param int $uid 用户ID
	 * @param string $param 要更改的数据
	 * @return array 接口返回的数据
	 */
	public static function modifyCartProduct($uid, $param)
	{
		$result = array('code' => 400, 'message' => '出错啦~');

		// 处理要更改的数据
		$swapData = json_encode(array($param));

		$modify = CartData::addToFav($uid, $swapData);
		if ($modify && isset($modify['code'])) {
			$result['code'] = $modify['code'];
			$result['message'] = $modify['message'];
		}

		return $result;
	}


	/**
	 * 处理不同类型的购物车数据
	 *
	 * @param array $data 不同类型购物车数据
	 * @return array $result 处理之后的不同类型购物车数据
	 */
	private static function procCartData($data)
	{
		$result = array();

		$oneGoods = array();
		// 购买的商品列表
		foreach ($data['goods_list'] as $value) {
			$oneGoods['id'] = $value['product_sku'];
			$oneGoods['name'] = $value['product_name'];
			$oneGoods['thumb'] = Images::getImageUrl($value['goods_images'], 120, 120);
			$oneGoods['color'] = $value['color_name'];
			$oneGoods['size'] = $value['size_name'];
			$oneGoods['appearDate'] = '12月'; // 目前app接口没有返回该数据
			$oneGoods['price'] = $value['real_price'];
			$oneGoods['count'] = $value['buy_number'];
			$oneGoods['lowStocks'] = true;

			$result['goods'][] = $oneGoods;
		}
		// 赠品
		count($data['gift_list']) && $result['freebieOrAdvanceBuy'] = true;
		$result['freebie'] = $data['gift_list'];
		// 加价购
		$result['advanceBuy'] = $data['price_gift'];
		// 结算数据
		$result['price'] = $data['shopping_cart_data']['order_amount'];
		$result['activityPrice'] = $data['shopping_cart_data']['discount_amount'];
		$result['count'] = $data['shopping_cart_data']['goods_count'];
		$result['sumPrice'] = $data['shopping_cart_data']['order_amount'];

		return $result;
	}

}