<?php

namespace mt;

use phpcommon;

class Box {

    public static function get($id)
    {
        return array_key_exists($id, self::getMetaList()) ? self::getMetaList()[$id] : null;
    }

    public static function getOldBox($id)
    {
        $meta = self::get($id);
        if (!$meta) {
            return null;
        }
        return array(
            'box_id' => $$meta['box_type'],
            'item_id' => $$meta['item_id'],
            'num' => $$meta['num'],
            'weight' => $$meta['weight'],
            'type' => $$meta['type'],
            'time' => $$meta['time'],
            'count' => $$meta['count'],
        );
    }

    public static function randomBox($id, &$itemList, $cb = null)
    {
        $meta = self::get($id);
        if ($meta) {
            $ids = splitStr1($meta['item_id']);
            $times = splitStr1($meta['time']);
            $nums = splitStr1($meta['num']);
            $weights = splitStr1($meta['weight']);
            $totalWeights = 0;
            foreach ($weights as $weight) {
                $totalWeights += $weight;
            }
            if (count($ids) == count($times) &&
                count($ids) == count($nums) &&
                count($ids) == count($weights) &&
                count($ids) > 0 &&
                $totalWeights > 0
            ) {
                $rnd = rand(0, $totalWeights);
                $currWeight = 0;
                $i = 0;
                foreach ($weights as $weight) {
                    $currWeight += $weight;
                    if ($currWeight > $rnd) {
                        if ($cb && !$cb($ids[i])){
                            continue;
                        }
                        array_push($itemList, array(
                            'item_id' => $ids[$i],
                            'item_num' => $nums[$i],
                            'time' => $times[$i]
                        ));
                        if ($id == 8) { //这是为啥???
                            array_push($itemList, array(
                                'item_id' => $ids[$i]+ 2000,
                                'item_num' => $nums[$i],
                                'time' => $times[$i]
                            ));

                        }
                        break;
                    }//end if
                    ++$i;
                }
            }
        }
    }

    public static function randomBoxNN($id, &$itemList)
    {
        $meta = self::get($id);
        if ($meta) {
            $ids = splitStr1($meta['item_id']);
            $times = splitStr1($meta['time']);
            $nums = splitStr1($meta['num']);
            $weights = splitStr1($meta['weight']);
            if (count($ids) == count($times) &&
                count($ids) == count($nums) &&
                count($ids) == count($weights) &&
                count($ids) > 0
            ) {
                $i = 0;
                foreach ($weights as $weight) {
                    $rnd = rand(0, 10000);
                    if ($weight >= $rnd) {
                        array_push($itemList, array(
                            'item_id' => $ids[$i],
                            'item_num' => $nums[$i],
                            'time' => $times[$i]
                        ));
                    }//end if
                    ++$i;
                }
            }
        }
    }

    public static function randomBoxNew($id, &$itemList)
    {
        $meta = self::get($id);
        if ($meta) {
            $cb = function ($itemId) use(&$itemList) {
                foreach ($itemList as $item) {
                    if ($item['item_id'] == $itemId) {
                        return false;
                    }
                }
                return true;
            };
            for ($i = 0; $i < $meta['count']; ++$i) {
                self::randomBox($id, $itemList, $cb);
            }
        }
    }

    protected static function getMetaList()
    {
        if (!self::$metaList) {
            self::$metaList = getMetaTable('box@box.php');
        }
        return self::$metaList;
    }

    protected static $metaList;

}