<?php

namespace app\home\controller;

use think\Lang;

class Compare extends BaseMall
{
    const MAXNUM = 4;//最大的商品比较数量
    public function _initialize()
    {
        parent::_initialize(); // TODO: Change the autogenerated stub
        Lang::load(APP_PATH . 'home/lang/'.config('default_lang').'/compare.lang.php');
    }

    /**
     * 商品对比详细页面
     */
    public function index()
    {
        $gid_arr=array();
        $gids = trim(input('param.gids'));
        if (!$gids) {
            $gids = trim(Cookie('comparegoods'));
        }
        $gid_arrtmp = $gids ? explode(',', $gids) : array();
        if (!empty($gid_arrtmp)) {
            foreach ($gid_arrtmp as $k => $v) {
                $gid_arr[] = intval($v);
            }
        }
        $goods_model = model('goods');
        $compare_list = array();//对比商品数组
        if ($gid_arr) {
            //查询商品信息
            $goods_list = $gcommon_id_arr = array();
            $goods_listtmp = $goods_model->getGoodsList(array(
                                                      'goods_id' => array('in', $gid_arr), 'goods_state' => 1
                                                  ));
            if (!empty($goods_listtmp)) {
                foreach ($goods_listtmp as $k => $v) {
                    $v['goods_spec_arr'] = ($t = $v['goods_spec']) ? unserialize($t) : array();
                    $goods_list[$v['goods_id']] = $v;
                    $gcommon_id_arr[] = $v['goods_commonid'];
                }
            }
            if (!empty($gcommon_id_arr)) {
                $gcommon_listtmp = $goods_model->getGoodsCommonList(array(
                                                                  'goods_commonid' => array(
                                                                      'in', $gcommon_id_arr
                                                                  )
                                                              ), 'goods_commonid,brand_id,brand_name,goods_attr,spec_name,spec_value');
                if (!empty($gcommon_listtmp)) {
                    foreach ($gcommon_listtmp as $k => $v) {
                        $v['goods_attr_arr'] = ($t = trim($v['goods_attr'])) ? unserialize($t) : array();
                        $v['spec_name_arr'] = ($t = trim($v['spec_name'])) ? unserialize($t) : array();
                        $v['spec_value_arr'] = ($t = trim($v['spec_value'])) ? unserialize($t) : array();
                        $gcommon_list[$v['goods_commonid']] = $v;
                    }
                }
            }
            if ($goods_list && $gcommon_list) {
                foreach ($goods_list as $k => $v) {
                    $goods_list[$k] = array_merge($goods_list[$k], $gcommon_list[$v['goods_commonid']]);
                }
            }
            //整理对比数组
            $compare_listtmp = array();
            foreach ($gid_arr as $k => $v) {
                $compare_listtmp[] = $goods_list[$v];
            }
            //商品图片及名称
            $i = 0;
            $compare_list[$i]['key'] = 'goodsinfo';
            $compare_list[$i]['name'] = lang('commodity_picture');
            for ($j = 0; $j < self::MAXNUM; $j++) {
                $compare_list[$i][] = isset($compare_listtmp[$j]) ? array(
                    'goods_id' => $compare_listtmp[$j]['goods_id'], 
                    'goods_name' => $compare_listtmp[$j]['goods_name'],
                    'goods_image' => $compare_listtmp[$j]['goods_image'],
                ) : '';
            }
            $i++;
            //商品价格
            $compare_list[$i]['key'] = 'goodsprice';
            $compare_list[$i]['name'] = lang('commodity_price');
            for ($j = 0; $j < self::MAXNUM; $j++) {
                $compare_list[$i][] = isset($compare_listtmp[$j]) ? $compare_listtmp[$j]['goods_promotion_price'] : '';
            }
            $i++;
            //品牌
            $compare_list[$i]['key'] = 'brand';
            $compare_list[$i]['name'] = lang('brand');
            for ($j = 0; $j < self::MAXNUM; $j++) {
                $compare_list[$i][] = isset($compare_listtmp[$j]) ? ($compare_listtmp[$j]['brand_id'] ? array(
                    'brand_id' => $compare_listtmp[$j]['brand_id'], 'brand_name' => $compare_listtmp[$j]['brand_name']
                ) : '-') : '';
            }
            $i++;
            //所在地
            $area_name_array = model('area')->getAreaNames();
            $compare_list[$i]['key'] = '';
            $compare_list[$i]['name'] = lang('location');

            for ($j = 0; $j < self::MAXNUM; $j++) {
                $compare_list[$i][] = isset($compare_listtmp[$j]) ? @$area_name_array[$compare_listtmp[$j]['areaid_1']] . ' ' . @$area_name_array[$compare_listtmp[$j]['areaid_2']] : '';
            }
            $tmp = $compare_list[$i];
            unset($tmp['key'], $tmp['name']);
            $tmp = array_filter($tmp);
            $difftmp = array_diff($tmp, array($tmp[0]));
            if ($difftmp) {
                $compare_list[$i]['isdiff'] = 1;
            }
            else {
                $compare_list[$i]['isdiff'] = 0;
            }
            unset($tmp, $difftmp);
            $i++;
            //发票信息
            $compare_list[$i]['key'] = '';
            $compare_list[$i]['name'] = lang('vat_invoice');
            for ($j = 0; $j < self::MAXNUM; $j++) {
                $compare_list[$i][] = isset($compare_listtmp[$j]) ? ($compare_listtmp[$j]['goods_vat'] == 1 ? lang('ds_yes') :  lang('ds_no')) : '';
            }
            $tmp = $compare_list[$i];
            unset($tmp['key'], $tmp['name']);
            $tmp = array_filter($tmp);
            $difftmp = array_diff($tmp, array($tmp[0]));
            if ($difftmp) {
                $compare_list[$i]['isdiff'] = 1;
            }
            else {
                $compare_list[$i]['isdiff'] = 0;
            }
            unset($tmp, $difftmp);
            $i++;
            //规格处理
            if ($compare_listtmp[0]['spec_name_arr'] && $compare_listtmp[0]['spec_value_arr']) {
                foreach ($compare_listtmp[0]['spec_name_arr'] as $k => $v) {
                    $compare_list[$i]['key'] = '';
                    $compare_list[$i]['name'] = $v;
                    for ($j = 0; $j < self::MAXNUM; $j++) {
                        //对比商品记录是否存在
                        if (isset($compare_listtmp[$j])) {
                            //处理规格值
                            if ($compare_listtmp[0]['spec_value_arr'][$k] && $compare_listtmp[$j]['goods_spec_arr']) {
                                $tmp = array_values(array_intersect_assoc($compare_listtmp[0]['spec_value_arr'][$k], $compare_listtmp[$j]['goods_spec_arr']));
                                if ($tmp) {
                                    $compare_list[$i][] = $tmp[0];
                                }
                                else {
                                    $compare_list[$i][] = '-';
                                }
                            }
                            else {
                                $compare_list[$i][] = '-';
                            }
                            unset($tmp);
                        }
                        else {
                            $compare_list[$i][] = '';
                        }
                    }
                    $tmp = $compare_list[$i];
                    unset($tmp['key'], $tmp['name']);
                    $tmp = array_filter($tmp);
                    $difftmp = array_diff($tmp, array($tmp[0]));
                    if ($difftmp) {
                        $compare_list[$i]['isdiff'] = 1;
                    }
                    else {
                        $compare_list[$i]['isdiff'] = 0;
                    }
                    unset($tmp, $difftmp);
                    $i++;
                }
            }
            //属性处理
            if ($compare_listtmp[0]['goods_attr_arr'] && $compare_listtmp[0]['goods_attr_arr']) {
                foreach ($compare_listtmp[0]['goods_attr_arr'] as $k => $v) {
                    $compare_list[$i]['key'] = '';
                    $compare_list[$i]['name'] = $v['name'];
                    for ($j = 0; $j < self::MAXNUM; $j++) {
                        //对比商品记录是否存在
                        if (isset($compare_listtmp[$j])) {
                            if ($compare_listtmp[$j]['goods_attr_arr'][$k]) {
                                $tmp = array_values($compare_listtmp[$j]['goods_attr_arr'][$k]);
                                $compare_list[$i][] = $tmp[1];
                                unset($tmp);
                            }
                            else {
                                $compare_list[$i][] = '-';
                            }
                        }
                        else {
                            $compare_list[$i][] = '';
                        }
                    }
                    $tmp = $compare_list[$i];
                    unset($tmp['key'], $tmp['name']);
                    $tmp = array_filter($tmp);
                    $difftmp = array_diff($tmp, array($tmp[0]));
                    if ($difftmp) {
                        $compare_list[$i]['isdiff'] = 1;
                    }
                    else {
                        $compare_list[$i]['isdiff'] = 0;
                    }
                    unset($tmp, $difftmp);
                    $i++;
                }
            }
        }
        //处理商品所属的最小分类
        if (isset($compare_listtmp[0]['gc_id_3']) && $compare_listtmp[0]['gc_id_3']) {
            $cate_id = $compare_listtmp[0]['gc_id_3'];
        }
        elseif (isset($compare_listtmp[0]['gc_id_2']) && $compare_listtmp[0]['gc_id_2']) {
            $cate_id = $compare_listtmp[0]['gc_id_2'];
        }
        else {
            $cate_id = @$compare_listtmp[0]['gc_id_1'];
        }
        $this->assign('compare_list', $compare_list);

        $this->assign('cate_id', $cate_id);
        //隐藏右侧工具条中的对比功能
        $this->assign('hidden_rtoolbar_compare', 1);
        $this->assign('maxnum', self::MAXNUM);
        return $this->fetch($this->template_dir.'compare');
    }

    /**
     * 增加对比商品
     */
    public function addcompare()
    {
        $gid = intval(input('param.id'));
        if ($gid <= 0) {
            exit(json_encode(array('done' => false, 'msg' => lang('param_error'))));
        }
        if (Cookie('comparegoods')) {//如果cookie已经存在
            $comparegoods_str = Cookie('comparegoods');
            if (get_magic_quotes_gpc()) {
                $comparegoods_str = stripslashes($comparegoods_str); //去除斜杠
            }
            if ($comparegoods_str) {
                $comparegoods_arr = explode(',', $comparegoods_str);
                if (count($comparegoods_arr) >= self::MAXNUM) {
                    exit(json_encode(array('done' => false, 'msg' => lang('comparison_bar_full'))));
                }
                $comparegoods_arr[] = $gid;
                $comparegoods_arr = array_unique($comparegoods_arr);
            }
        }
        else {
            $comparegoods_arr[] = $gid;
        }
        $comparegoods_str = $comparegoods_arr ? implode(',', $comparegoods_arr) : '';
        Cookie('comparegoods', $comparegoods_str);
        exit(json_encode(array('done' => true, 'msg' => '')));
    }

    /**
     * 显示对比商品
     */
    public function showcompare()
    {
        $gids = Cookie('comparegoods');
        $gid_arr=array();
        $goods_list = array();
        $goodsid_arr = array();
        $gid_arrtmp = $gids ? explode(',', $gids) : array();
        if (!empty($gid_arrtmp)) {
            foreach ($gid_arrtmp as $k => $v) {
                $gid_arr[] = intval($v);
            }
        }
        $goods_model = model('goods');
        $compare_list = array();//对比商品数组
        if ($gid_arr) {
            //查询商品信息
            $goods_listtmp = $goods_model->getGoodsList(array(
                                                      'goods_id' => array('in', $gid_arr), 'goods_state' => 1
                                                  ), 'goods_id,goods_commonid,goods_name,gc_id,gc_id_1,gc_id_2,gc_id_3,goods_promotion_price,goods_promotion_type,goods_image');
            if ($goods_listtmp) {
                foreach ($goods_listtmp as $k => $v) {
                    $goods_list[$v['goods_id']] = $v;
                }
                foreach ($gid_arr as $v) {
                    if ($goods_list[$v]) {
                        $compare_list[] = $goods_list[$v];
                        $goodsid_arr[] = $v;
                    }
                }
                //更新cookie数据
                Cookie('comparegoods', $goodsid_arr ? implode(',', $goodsid_arr) : '');
            }
            else {
                //更新cookie数据
                Cookie('comparegoods', '', -3600);
            }
        }
        $this->assign('goodsid_str', $goodsid_arr ? implode(',', $goodsid_arr) : '');
        $this->assign('compare_list', $compare_list);
        $this->assign('freemaxnum', self::MAXNUM - count($compare_list));
        echo $this->fetch($this->template_dir.'compare_mini');
    }

    /**
     * 获得已加入对比的商品ID
     */
    public function checkcompare()
    {
        $gid_arr=array();
        $gids = Cookie('comparegoods');
        $gid_arrtmp = $gids ? explode(',', $gids) : array();
        if (!empty($gid_arrtmp)) {
            foreach ($gid_arrtmp as $k => $v) {
                $gid_arr[] = intval($v);
            }
        }
        $goods_model = model('goods');
        $goodsid_arr = array();//对比商品ID数组
        if ($gid_arr) {
            //查询商品信息
            $goods_list = array();
            $goods_list = $goods_model->getGoodsList(array(
                                                   'goods_id' => array('in', $gid_arr), 'goods_state' => 1
                                               ), 'goods_id,goods_commonid,goods_name,gc_id,gc_id_1,gc_id_2,gc_id_3,goods_promotion_price,goods_promotion_type,goods_image');
            if ($goods_list) {
                foreach ($goods_list as $k => $v) {
                    $goodsid_arr[] = $v['goods_id'];
                }
            }
        }
        echo json_encode($goodsid_arr);
    }

    /**
     * 清除对比栏
     */
    public function delcompare()
    {
        if (trim(input('param.gid')) == 'all') {
            $gid_arr = array();
        }
        else {
            $gids = cookie('comparegoods');
            $gid_arr = $gids ? explode(',', $gids) : array();
            $gid = intval(input('param.gid'));
            if ($gid > 0 && $gid_arr) {
                unset($gid_arr[array_search($gid, $gid_arr)]);
            }
        }

        $gid_str = $gid_arr ? implode(',', $gid_arr) : '';
        //更新cookie数据
        if ($gid_str) {
            cookie('comparegoods', $gid_str);
        }
        else {
            cookie('comparegoods', null);
        }
        exit(json_encode(array('done' => true, 'gid_str' => $gid_str)));
    }
}