<?php

# 核心类，数据获取类

namespace Goods\Lib;

use Dever;

class Info
{
	private $table_info = 'goods/info';
	private $table_attr = 'goods/info_attr';
    /**
     * instance
     *
     * @var string
     */
    protected static $instance;

    /**
     * init
     *
     * @return mixed
     */
    public static function init($top_category = false)
    {
        if (empty(self::$instance[$top_category])) {
            self::$instance[$top_category] = new self($top_category);
        }

        return self::$instance[$top_category];
    }

	public function __construct($top_category = false)
	{
		$this->top_category = $top_category;

        # 必有有分类才能进入到需求中
        if (!$this->top_category) {
            $this->top_category = -1;
            //Dever::alert('错误的分类信息');
        }
	}

    private function setAttr($cate, $order = 'list_reorder')
    {
        if ($order != 'list_reorder') {
            Dever::config('base')->attrOrder = $order;
        }
        
        Dever::setInput('search_option_category', $cate);
        $attr = Dever::db($this->table_attr, array(), $cate);
        return $attr;
    }

    public function getAttr($cate)
    {
        return Dever::load('attr/api')->getAttrByCate($cate, 'list');
    }

    # 根据分类获取需求列表数据
    public function getData($cate = false, $limit = '0,10', $page = false, $attr = true)
    {
        if (!$limit) {
            $limit = '0,10';
        }
        $where = $data = array();
        if (!$cate) {
            if ($this->top_category > 0) {
                $where['top_category_id'] = $this->top_category;
            }
        } elseif (strstr($cate, ',')) {
            $where['category'] = $this->top_category . ',' . $cate;
        } else {
            $where['second_category_id'] = $cate;
        }
        
        if ($page) {
            $method = 'getPageAll';
        } else {
            $where['limit'] = $limit;
            $method = 'getAll';
        }
        $name = Dever::input('name');
        if ($name) {
            $where['name'] = $name;
        }
        $data = Dever::db($this->table_info)->$method($where);
        if ($data && $attr) {
            foreach ($data as $k => $v) {
                $data[$k] = $this->info($v, 'list_reorder');
            }
        }

        return $data;
    }

    # 根据属性获取需求列表数据 这里带有检索属性的功能 此处还需优化
    public function getDataByAttr($cate = false, $where = array())
    {
        if (!$cate) {
            Dever::alert('错误的分类信息');
        }
        $where_sql = array();
        $name = Dever::input('name');
        if ($name) {
            //$where['name'] = $name;
            $where_sql[] = ' t_2.name = "'.$name.'"';
        }

        $attr = $this->setAttr($this->top_category . ',' . $cate);
        //print_r($attr->config['attr']);

        $where_sql = Dever::load('attr/api')->getSql($attr->config['attr'], $where, $where_sql);
        if (!$where_sql) {
            return array();
        }
        # 这里用pdo的数据绑定，字符串字段的区间查询就是有问题。。。只能用sql了
        //$data = $attr->getPageAll($where);

        $page['template'] = 'list';
        $page['num'] = 10;
        $where_sql = implode(' and ', $where_sql);

        $sql = 'SELECT t_2.* FROM `{project}_goods_'.$attr->config['name'].'` as t_1 Left Join `{project}_goods_info` AS t_2 ON t_1.`info_id`=t_2.`id` WHERE '.$where_sql.' order by t_2.`reorder` desc,t_2.`id` desc';

        $data = $attr->fetchAll($sql, array(), $page);

        if ($data) {
            foreach ($data as $k => $v) {
                $data[$k] = $this->info($v, 'list_reorder');
            }
        }

        return $data;
    }

	# 获取列表页的搜索条件
    public function getSearch($cate = false)
    {
    	# 获取搜索条件
        if (!$cate) {
            $search_cate = $cate = $this->top_category;
        } else {
            $search_cate = $cate;
        }
        # 1是当前用户所在的城市，暂时写死
        # 获取搜索条件
        $search = Dever::load('attr/api')->getSearch($search_cate, true, 1, false, 2);
        # 下级分类
        $search['cate'] = Dever::load('category/api')->getList($cate);

        # 上级分类
        $search['parent_cate'] = Dever::load('category/api')->getList($this->top_category);
        return $search;
    }

    # 获取支付信息
    public function getPayState($uid, $id, $category)
    {
        $pay_where['category'] = $category;
        $pay = Dever::db('goods/pay')->one($pay_where);
        $pay_state = 0;
        if ($pay && $pay['num'] > 0) {
            $pay_state = $pay['num'];
        } elseif (strstr($category, ',')) {
            $category = explode(',', $category);
            $category = array_pop($category);
            $pay_state = $this->getPayState($uid, $id, $category);
        }

        //$update['where_id'] = $id;
        //$update['poster_pay_type'] = $pay_state;
        //Dever::db($this->table_info)->update($update);

        return $pay_state;
    }

    # 更新需求
    public function update($top, $cate, $data, $id, $uid)
    {
        if ($cate) {
            $category = $top . ',' . $cate;
        } else {
            $category = $top;
        }
        $attr = $this->setAttr($category);

        $attr_update = Dever::preInput('attr_');
        if ($attr_update) {
            foreach ($attr_update as $k => $v) {
                if (strstr($k, '_s')) {
                    $k = str_replace('_s', '', $k);
                    $attr_update[$k] = $v;
                }
                if (strstr($k, '_e')) {
                    $k = str_replace('_e', '', $k);
                    $attr_update[$k] .= ',' . $v;
                }
            }
        }

        $update = array();
        $update['name'] = $data['name'];
        $update['category'] = $category;
        $update['pic'] = $data['pic'];
        //$update['pic_cover'] = $data['pic'];
        $update['poster_uid'] = $uid;
        if (isset($data['view_price']) && $data['view_price']) {
            $update['view_price'] = $data['view_price'];
        }
        if ($uid && $id) {
            # 此处要判断是用户自己的
            $info = Dever::db($this->table_info)->one($id);

            /*
            if ($uid == $info['poster_uid']) {
                Dever::alert('错误的用户参数');
            }
            */
            $update['where_id'] = $attr_update['where_id'] = $id;
            Dever::db($this->table_info)->update($update);
            Dever::db($this->table_attr)->update($attr_update);
            $pay = 0;
        } else {
            $id = Dever::db($this->table_info)->insert($update);
            $attr_update['category'] = $update['category'];
            $attr_update['info_id'] = $id;
            $attr_update['id'] = $id;
            Dever::db($this->table_attr)->insert($attr_update);

            # 验证是否需要支付，根据category判断
            $pay = false;
            //$pay = $this->getPayState($uid, $id, $category);

            $info = Dever::db($this->table_info)->one($id);
            $info = $this->getInfoLink($info);
        }
        return array('id' => $id, 'pay' => $pay, 'cate' => $category, 'top' => $top, 'info' => $info);
    }

    # 获取支付所需要的信息
    public function getPayInfo($id, $sku, $num = 1, $user = array())
    {
        $info = Dever::db($this->table_info)->getOne($id);

        if ($info) {
            $info['freight_id'] = 0;
            $info['freight_price'] = 0;
            if ($sku > 0) {
                $where['info_id'] = $info['id'];
                $where['id'] = $sku;
                $sku = Dever::db('goods/info_sku')->getOne($where);
                if ($sku) {
                    $info['price'] = $sku['price'];
                    $info['num'] = $sku['num'];
                }
            }
            $freight = $this->freight($info, $info['price'], $user, $num);
            if ($freight) {
                $info['freight_id'] = $freight['id'];
                $info['freight_price'] = $freight['price'];
            }

            # 佣金计算
            $info['reward'] = $this->reward($info, $info['price']*$num);
        }

        return $info;
    }

    # 获取自提信息
    public function storeInfo($goods_id, $area_id = '')
    {
        $info = Dever::db($this->table_info)->getOne($goods_id);
        if (!$info) {
            return array();
        }
        $array = explode(',', $info['category']);
        $cate = $store = array();
        $total = count($array);
        $total -= 1;
        # 用户所在地理位置 
        if ($area_id) {
            $where['area'] = $area_id;
        }
        foreach ($array as $k => $v) {
            $cate[$k] = $v;
            if ($k < $total) {
                $cate[] = '-1';
            }
            $where['category'] = $cate;

            $data = Dever::db('goods/store')->state($where);
            if ($data) {
                $store += $data;
            }
        }

        return $store;
    }

    # 获取运费信息
    public function getFreight($id, $goods_price, $user, $num)
    {
        $info = Dever::db($this->table_info)->getOne($id);
        return $this->freight($info, $goods_price, $user, $num);
    }

    # 获取基本信息
    public function getInfo($id, $attr = true, $order = 'view_reorder', $user = array(), $reward = false)
    {
        $info = Dever::db($this->table_info)->getOne($id);

        if ($info && $attr) {
            $info = $this->info($info, $order, false, $user, $reward);
        }

        if ($info['pic']) {
            $info['pic'] = explode(',', $info['pic']);
        }

        return $info;
    }

    # 获取基本信息
    public function info($info, $key = 'list_reorder', $is_sell = false, $user = array(), $reward = false)
    {
        if ($info['price_type'] == 2) {
            
            $attr = $this->setAttr($info['category'], $key);
            $attr_data = $attr->one($info['id']);
            $info['category_array'] = Dever::load('category/api')->string($info['category']);

            $info['attr'] = $info['sell_attr'] = array();

            if ($attr->config['attr']) {
                foreach ($attr->config['attr'] as $k => $v) {
                    if (isset($v[$key]) && $v[$key] > 0) {
                        if (isset($attr_data['attr_' . $v['id']])) {
                            $v['value'] = $attr_data['attr_' . $v['id']];
                        } else {
                            continue;
                            $v['value'] = '';
                        }

                        $v['value_string'] = Dever::load('attr/api')->getValue($v);
                        
                        if ($v['ename'] == 'price') {
                            $info['price'] = $v['value_string'];
                        } else {
                            $v['bg'] = 'background-image: url('.$v['icon'].')';
                            $v['pic'] = '<img src="'.$v['icon'].'" width="18" />';
                            if ($is_sell > 0) {
                                if ($is_sell == $v['is_sell']) {
                                    $info['attr'][] = $v;
                                }
                                
                            } else {
                                $info['attr'][] = $v;
                                # 设置sku
                                $this->sku($v, $info);
                            }
                        }
                    }
                }
            }
        } else {
            $price = $info['price'];
            $s_price = $info['s_price'];
            $info['price'] = array();
            $info['price']['list'] = array();
            $info['price']['min'] = array
            (
                'price' => $price,
                's_price' => $s_price
            );
            $info['price']['max'] = array();
        }

        $info['platform_name'] = Dever::db('goods/info')->config['config_platform'][$info['platform']];
       
        if (isset($info['cdate']) && $info['cdate']) {
            $info['cdate_string'] = Dever::mdate($info['cdate'], 2);
        }

        $info = $this->getInfoLink($info);

        $info['freight'] = 0;
        if ($info['platform'] == 1 && $user) {
            # 获取运费
            $info['freight'] = $this->freight($info, $info['price']['min']['price'], $user);
        }
        # 佣金计算
        if ($reward) {
            $info['reward'] = $this->reward($info, $info['price']['min']['price']);
        }

    	return $info;
    }

    # 佣金计算
    private function reward($info, $price)
    {
        if ($info['reward_value'] && $info['reward_value'] > 0) {
            if ($info['reward_type'] == 2) {
                $info['reward_value'] = round(($info['reward_value']/100) * $price, 2);
            }
            return $info['reward_value'];
        }
        $array = explode(',', $info['category']);
        $cate = $reward = array();
        $total = count($array);
        $total -= 1;
        foreach ($array as $k => $v) {
            $cate[$k] = $v;
            if ($k < $total) {
                $cate[] = '-1';
            }
            $where['category'] = $cate;

            $data = Dever::db('goods/reward')->one($where);
            if ($data) {
                $reward = $data;
            }
        }

        if ($reward) {
            if ($reward['value'] && $reward['value'] > 0) {
                if ($reward['type'] == 2) {
                    $reward['value'] = round(($reward['value']/100) * $price, 2);
                }
                return $reward['value'];
            }
        }

        return 0;
    }

    # 运费计算，暂时用省份代表地区
    private function freight($info, $goods_price, $user = array(), $num = 1)
    {
        $array = explode(',', $info['category']);
        $cate = $freight = array();
        $total = count($array);
        $total -= 1;
        if ($info && $info['goods_area']) {
            $where['goods_area'] = $info['goods_area'];
        }
        # 用户所在地理位置 
        if ($user && isset($user['area_id']) && $user['area_id']) {
            $area = explode(',', $user['area_id']);
            $where['area'] = $area[0];
        }
        foreach ($array as $k => $v) {
            $cate[$k] = $v;
            if ($k < $total) {
                $cate[] = '-1';
            }
            $where['category'] = $cate;

            $data = Dever::db('goods/freight')->one($where);
            if ($data) {
                $freight = $data;
            }
        }

        if ($freight) {
            $price = $freight['first_price'];
            if ($num > $freight['first_num']) {
                $num = $num - $freight['first_num'];
                $price = $freight['first_price'] + ($freight['next_price']*$num);
            }

            if ($freight['type'] == 2) {
                $freight['price'] = round($goods_price*$num*($price/100), 2);
            } else {
                $freight['price'] = $price;
            }
        }

        return $freight;
    }

    private function sku($data, &$info)
    {
        # 获取销售属性
        if ($data['is_sell'] == 2) {
            if ($data['option']) {
                $value = explode(',', $data['value']);
                foreach($data['option'] as $k => $v) {
                    if (in_array($v['id'], $value)) {
                        $data['option_sku'][] = array
                        (
                            'id' => $v['id'],
                            'info_id' => $v['info_id'],
                            'name' => $v['name'],
                            'icon' => $v['icon'],
                            'value' => $v['info_id'] . '-' . $v['id'],
                        );
                    }
                }
                unset($data['option']);
            }
            
            $info['sell_attr'][] = $data;

            # 获取最便宜的价格
            $where['info_id'] = $info['id'];
            $info['price'] = array();
            $info['price']['list'] = Dever::db('goods/info_sku')->getData($where);
            $info['price']['min'] = Dever::db('goods/info_sku')->getMinOne($where);
            $info['price']['max'] = Dever::db('goods/info_sku')->getMaxOne($where);
        }
    }

    public function getInfoLink($info)
    {
        if (isset($this->view_path)) {
            $info['view_path'] = $this->view_path . '?top=' . $info['top_category_id'] . '&id=' . $info['id'];
            $info['view_link'] = Dever::url($info['view_path']);
        }

        return $info;
    }

    public function setViewPath($path)
    {
        $this->view_path = $path;
    }
}