<?php

namespace backend\modules\api\logic;

use backend\modules\api\models\OperaLine;
use backend\modules\api\models\OrderMain;
use backend\modules\api\models\RunMain;
use Yii;

class ChangeSeat
{
    /**
     * Function Description:获取可换座位数组
     * Function Name: getSeatInfo
     * @param $order_id
     *
     * @return array
     *
     * @author 娄梦宁
     */
    public function getSeatInfo($order_id)
    {
        $order_main = new OrderMain();
        $opera_line = new OperaLine();
        $run_main = new RunMain();

        $getBusSeat  = $order_main->getBusInfoByOrderId($order_id);
        if (empty($getBusSeat['SEAT_MATRIX_ID']) || $getBusSeat['SEAT_MATRIX_ID'] == 0) {
           return [
                'code' => 1,
                'info' => '该车为临时外调车辆，暂不支持选座。'
            ];
        }
        #region 1:获取订单相关数据
        $order_info = $order_main->getOrderInfoForGetSeat($order_id);
        #判断线路是否支持选座#
        $line_allow_seat = $opera_line->getLineSeatAllow($order_info['line_id']);
        if ($line_allow_seat['allow_select_seat'] == 0) {
            return [
                'code' => 1,
                'info' => '该车为临时外调车辆，暂不支持选座。'
            ];
        }
        #run_x表表名#
        $run_x = 'run_' . substr($order_info['run_date'], 0, 4) . substr($order_info['run_date'], 5, 2);
        #endregion

        #region 3：找出run_x表所有该班次车次的座位信息
        $run_x_arr = $run_main->getRunxSeatInfo($run_x, $order_info['run_id'], $order_info['run_date'], $order_info['bus_order_id']);
        #循环处理车座数组#
        $run_seat_arr = [];
        foreach ($run_x_arr as $v) {
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_status'] = $v['seat_status'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['order_main_id'] = $v['order_main_id'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['allow_select_seat'] = $v['allow_select_seat'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_seq_id'] = $v['seat_seq_id'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['area_id'] = $v['area_id'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_x'] = $v['seat_x'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_y'] = $v['seat_y'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_type'] = $v['seat_type'];
            $run_seat_arr[$v['seat_seq_id']][$v['order_id']]['seat_name'] = $v['seat_name'];
        }
        #endregion

        #region 4：循环座次数组，得到每个座位的状态
        $seat_arr = [];
        $self_seat_seq_id = explode(',', $order_info['run_bus_seat_seq_id']);
        foreach ($run_seat_arr as $key => $val) {
            # ① 订单原来已占座位
            if (in_array($val[1]['seat_seq_id'], $self_seat_seq_id)) {
                $seat_arr[$val[1]['seat_seq_id']] = [
                    'seat_name' => $val[1]['seat_name'],
                    'seat_seq_id' => $val[1]['seat_seq_id'],
                    'seat_status' => 0,
                    'seat_x' => $val[1]['seat_x'],
                    'seat_y' => $val[1]['seat_y'],
                    'seat_type' => $val[1]['seat_type']
                ];
                continue;
            }
            # ② 行程当中的空座位
            $tmp_is_empty = 1;
            foreach ($val as $k => $v) {
                if ($k >= $order_info['start_seq_id'] && $k < $order_info['end_seq_id'])#站点处于行程中
                {
                    if ($v['seat_status'] != 0 or $v['order_main_id'] != 0) {
                        $tmp_is_empty = 0;
                    }
                }
            }
            if ($tmp_is_empty == 1) {
                $seat_arr[$val[1]['seat_seq_id']] = [
                    'seat_name' => $val[1]['seat_name'],
                    'seat_seq_id' => $val[1]['seat_seq_id'],
                    'seat_status' => 1,
                    'seat_x' => $val[1]['seat_x'],
                    'seat_y' => $val[1]['seat_y'],
                    'seat_type' => $val[1]['seat_type']
                ];
                continue;
            }
            # ③ 已被占用座位根据站点查看是否可换
            $other_order_arr=[];#当前订单行程内允许换座的子订单号数组
            foreach ($val as $k => $v) {
                if ($k >= $order_info['start_seq_id'] && $k < $order_info['end_seq_id']) {
                    if ($v['allow_select_seat'] != 156) {
                        #当前座位有订单且不允许换座，
                        $seat_arr[$val[1]['seat_seq_id']] = [
                            'seat_name' => $val[1]['seat_name'],
                            'seat_seq_id' => $val[1]['seat_seq_id'],
                            'seat_status' => 2,
                            'seat_x' => $val[1]['seat_x'],
                            'seat_y' => $val[1]['seat_y'],
                            'seat_type' => $val[1]['seat_type']
                        ];
                        continue 2;
                    }
                    if($v['order_main_id']!=0){
                        $other_order_arr[]=$v['order_main_id'];
                    }
                }
            }
            #检查行程内可换座订单是否还有其他行程；即：本订单所跨站点是否全包含换座订单所有站点
            foreach($val as $k=>$v){
                if ($k < $order_info['start_seq_id'] || $k >= $order_info['end_seq_id']) {
                    if(in_array($v['order_main_id'],$other_order_arr)){
                        #可换座订单有多余站点行程
                        $seat_arr[$val[1]['seat_seq_id']] = [
                            'seat_name' => $val[1]['seat_name'],
                            'seat_seq_id' => $val[1]['seat_seq_id'],
                            'seat_status' => 2,
                            'seat_x' => $val[1]['seat_x'],
                            'seat_y' => $val[1]['seat_y'],
                            'seat_type' => $val[1]['seat_type']
                        ];
                        continue 2;
                    }
                }
            }
            $seat_arr[$val[1]['seat_seq_id']] = [
                'seat_name' => $val[1]['seat_name'],
                'seat_seq_id' => $val[1]['seat_seq_id'],
                'seat_status' => 1,
                'seat_x' => $val[1]['seat_x'],
                'seat_y' => $val[1]['seat_y'],
                'seat_type' => $val[1]['seat_type']
            ];
        }
        #endregion
        return [
            'code' => 0,
            'info' => '获取成功！',
            'list' => $seat_arr,
            'SEAT_MATRIX_ID' => $getBusSeat['SEAT_MATRIX_ID']
        ];
    }
}