<?php
/**
 * Niushop商城系统 - 团队十年电商经验汇集巨献!
 * =========================================================
 * Copy right 2019-2029 杭州牛之云科技有限公司, 保留所有权利。
 * ----------------------------------------------
 * 官方网址: https://www.niushop.com
 * =========================================================
 */

namespace app\model\express;


use app\model\BaseModel;

/**
 * 物流配送
 */
class Express extends BaseModel
{
    const express_type = [
        'express' => [ 'name' => 'express', 'title' => '物流配送' ],
        'store' => [ 'name' => 'store', 'title' => '门店自提' ],
        'local' => [ 'name' => 'local', 'title' => '外卖配送' ],
    ];

    /**
     * 计算费用
     * @param array $shop_goods
     * @param array $data
     */
    public function calculate($shop_goods, $data)
    {

        //模板分组
        $template_array = [];

        foreach ($shop_goods[ 'goods_list' ] as $k => $v) {
            if ($v[ 'is_free_shipping' ] == 1) {
                continue;
            }
            if (isset($template_array[ $v[ 'shipping_template' ] ])) {
                $template_array[ $v[ 'shipping_template' ] ] = [
                    'num' => $template_array[ $v[ 'shipping_template' ] ][ 'num' ] + $v[ 'num' ],
                    'weight' => $template_array[ $v[ 'shipping_template' ] ][ 'weight' ] + $v[ 'weight' ] * $v[ 'num' ],
                    'volume' => $template_array[ $v[ 'shipping_template' ] ][ 'volume' ] + $v[ 'volume' ] * $v[ 'num' ],
                    'goods_money' => $template_array[ $v[ 'shipping_template' ] ][ 'goods_money' ] + $v[ 'goods_money' ],
                ];
            } else {
                $template_array[ $v[ 'shipping_template' ] ] = [
                    'num' => $v[ 'num' ],
                    'weight' => $v[ 'weight' ] * $v[ 'num' ],
                    'volume' => $v[ 'volume' ] * $v[ 'num' ],
                    'goods_money' => $v[ 'goods_money' ]
                ];
            }
        }
        $express_template = new ExpressTemplate();
        $price = 0;
        foreach ($template_array as $k_template => $v_template) {
            if ($k_template == 0) {
                //默认模板
                $template_info = $express_template->getDefaultTemplate($shop_goods[ 'site_id' ]);

            } else {
                //如果选择的模板已经不存在(可能不存在),
                //默认模板
                $template_info = $express_template->getExpressTemplateInfo($k_template, $shop_goods[ 'site_id' ]);
            }

            //判断模板是否配置完善
            if (empty($template_info[ 'data' ])) {
                //                continue;
                return $this->error([], 'TEMPLATE_EMPTY');
            }

            $template_info = $template_info[ 'data' ];
            $appoint_free_shipping = $template_info[ 'appoint_free_shipping' ] ?? 0;
            $is_exist_free = false;
            if ($appoint_free_shipping == 1) {
                $item_num = $v_template[ 'num' ];
                $item_goods_money = $v_template[ 'goods_money' ];
                //免邮区域模板
                $free_template_list = $template_info[ 'shipping_template_item' ];
                foreach ($free_template_list as $free_k => $free_v) {
                    //判断是否有适配的区域模板
                    if (strpos($free_v[ 'area_ids' ], '"' . $data[ 'member_address' ][ 'district_id' ] . '"') !== false) {
                        $item_snum = $free_v[ 'snum' ];//条件(件数)
                        $item_sprice = $free_v[ 'sprice' ];//条件  商品总额

                        if ($item_sprice <= $item_goods_money && $item_snum <= $item_num) {//满足包邮条件,免邮
                            $is_exist_free = true;
//                            continue 2;
                        }
                    }
                }
            }
            if (!$is_exist_free) {
                //开始计算
                $is_exist_template = false;
                foreach ($template_info[ 'template_item' ] as $k_item => $v_item) {
                    if (strpos($v_item[ 'area_ids' ], '"' . $data[ 'member_address' ][ 'district_id' ] . '"') !== false) {
                        $is_exist_template = true;
                        //运算方式
                        switch ( $template_info[ 'fee_type' ] ) {
                            case 1:
                                $tag = $v_template[ 'weight' ];
                                break;
                            case 2:
                                $tag = $v_template[ 'volume' ];
                                break;
                            case 3:
                                $tag = $v_template[ 'num' ];
                                break;
                            default:
                                break;
                        }
                        //开始计算
                        if ($template_info[ 'fee_type' ] == 1 && $tag == 0) {
                            $price += 0.0;
                        } else {
                            if ($tag <= $v_item[ 'snum' ]) {
                                $price += $v_item[ 'sprice' ];
                            } else {
                                $ext_tag = $tag - $v_item[ 'snum' ];
                                if ($v_item[ 'xnum' ] == 0) {
                                    $v_item[ 'xnum' ] = 1;
                                }
                                if (( $ext_tag * 100 ) % ( $v_item[ 'xnum' ] * 100 ) == 0) {
                                    $ext_data = $ext_tag / $v_item[ 'xnum' ];
                                } else {
                                    $ext_data = floor($ext_tag / $v_item[ 'xnum' ]) + 1;
                                }
                                $price += $v_item[ 'sprice' ] + $ext_data * $v_item[ 'xprice' ];
                            }
                        }

                        break;
                    }

                }
                if ($is_exist_template == false) {
                    return $this->error('', 'TEMPLATE_AREA_EXIST');
                }
            }

        }
        return $this->success([ 'delivery_fee' => $price ]);
    }


    /**
     * 区域是否支持配送
     * @param $condition
     */
    public function isSupportDelivery($area_id, $site_id)
    {

        $condition = array (
            [ 'ati.area_ids', 'like', '"' . $area_id . '"' ],
            [ 'et.site_id', '=', $site_id ]
        );

        $alias = 'ati';
        $join = [
            [
                'express_template et',
                'et.template_id = ati.template_id',
                'left'
            ]
        ];
        $field = 'ati.template_id';

        $list = model('express_template_item')->getList($condition, $field, '', $alias, $join);
        if (empty($list)) {
            return $this->error('', 'TEMPLATE_AREA_EXIST');
        } else {
            return $this->success();
        }
    }

    /**
     * 积分兑换计算费用
     * @param $goods_info
     * @param $data
     * @return array
     */
    public function pointExchangeCalculate($goods_info, $data)
    {
        $num = $data[ 'num' ];

        if ($goods_info[ 'is_free_shipping' ] == 1) {
            return $this->success([ 'delivery_fee' => 0 ]);
        }

        $template_data = [
            'num' => $num,
            'weight' => $goods_info[ 'weight' ] * $num,
            'volume' => $goods_info[ 'volume' ] * $num
        ];

        $express_template = new ExpressTemplate();
        $price = 0;

        if ($goods_info[ 'shipping_template' ] == 0) {
            //默认模板
            $template_info = $express_template->getDefaultTemplate($data[ 'site_id' ]);
        } else {
            //默认模板
            $template_info = $express_template->getExpressTemplateInfo($goods_info[ 'shipping_template' ], $data[ 'site_id' ]);
        }

        //判断模板是否配置完善
        if (empty($template_info[ 'data' ])) {
            return $this->error([], 'TEMPLATE_EMPTY');
        }

        $template_info = $template_info[ 'data' ];
        //开始计算
        $is_exist_template = false;
        foreach ($template_info[ 'template_item' ] as $k_item => $v_item) {
            if (strpos($v_item[ 'area_ids' ], '"' . $data[ 'member_address' ][ 'district_id' ] . '"') !== false) {
                $is_exist_template = true;
                //运算方式
                switch ( $template_info[ 'fee_type' ] ) {

                    case 1:
                        $tag = $template_data[ 'weight' ];
                        break;
                    case 2:
                        $tag = $template_data[ 'volume' ];
                        break;
                    case 3:
                        $tag = $template_data[ 'num' ];
                        break;
                    default:
                        break;
                }
                //开始计算
                if ($tag <= $v_item[ 'snum' ]) {
                    $price += $v_item[ 'sprice' ];
                } else {
                    $ext_tag = $tag - $v_item[ 'snum' ];
                    if ($v_item[ 'xnum' ] == 0) {
                        $v_item[ 'xnum' ] = 1;
                    }
                    if (( $ext_tag * 100 ) % ( $v_item[ 'xnum' ] * 100 ) == 0) {
                        $ext_data = $ext_tag / $v_item[ 'xnum' ];
                    } else {
                        $ext_data = floor($ext_tag / $v_item[ 'xnum' ]) + 1;
                    }
                    $price += $v_item[ 'sprice' ] + $ext_data * $v_item[ 'xprice' ];
                }
                break;
            }
        }
        if ($is_exist_template == false) {
            return $this->error('', 'TEMPLATE_AREA_EXIST');
        }

        return $this->success([ 'delivery_fee' => $price ]);
    }
}