<?php

namespace metatable;

use phpcommon;

function getDropConf()
{
    return _internalGetDropConf();
}

function getDropById($drop_id)
{
    $conf = getDropConf();
    $drop_id = (int)$drop_id;
    return array_key_exists($drop_id, $conf) ? $conf[$drop_id] : null;
}

function getExplode($string)
{
    $delim = "|";
    $drop_multiply = explode($delim, $string);
    $delim1 = ":";
    $arr = array();
    for ($i = 0; $i < count($drop_multiply); $i++) {
        $mul = explode($delim1, $drop_multiply[$i]);
        array_push($arr, $mul);
    }
    return $arr;
}

function _internalGetDropConf()
{
    global $g_drop_table;
    if (!$g_drop_table) {
        $g_drop_table = require(getConfigBaseDir() . 'drop@drop.php');
    }
    return $g_drop_table;
}

function getDropAllListById($drop_id, $item_list)
{
    $d = getDropById($drop_id);
    if (!$d) {
        return null;
    }
    $item_list = getDropInfo($d, $item_list);
    return $item_list;
}

function getDropInfo($d, $item_list) {
    $item_id_array = getExplode($d['item_id']);
    $item_num_array = getExplode($d['num']);
    $weight_array = getExplode($d['weight']);
    $time_array = getExplode($d['time']);
    if ($d['type'] == 1) {
        for ($i = 0; $i < count($weight_array); $i++) {
            $random = Rand(0, 10000);
            if ($weight_array[$i][0] > $random) {
                $item_id = $item_id_array[$i][0];
                $item_num = $item_num_array[$i][0];
                $time = 0;
                if (!empty($time_array[$i][0]) && $time_array[$i][0] != '') {
                    $time = $time_array[$i][0];
                }
                array_push($item_list, array(
                    'item_id' => $item_id,
                    'item_num' => $item_num,
                    'time' => $time,
                ));
            }
        }
    } else if ($d['type'] == 2) {
        $weight_sum = 0;
        $keys = 0;
        for ($i = 0; $i < count($weight_array); $i++) {
            $weight_sum += $weight_array[$i][0];
        }
        $random = Rand(0, $weight_sum);
        $weight = 0;
        for ($i = 0; $i < count($weight_array); $i++) {
            $weight += $weight_array[$i][0];
            if ($weight > $random) {
                $keys = $i;
                break;
            }
        }
        $item_id = $item_id_array[$keys][0];
        $item_num = $item_num_array[$keys][0];
        $item_time = $time_array[$keys][0];
        array_push($item_list, array(
            'item_id' => $item_id,
            'item_num' => $item_num,
            'time' => $item_time,
        ));
    }
    return $item_list;
}

function getDropListById($drop_id)
{
    $d = getDropById($drop_id);
    if (!$d) {
        return null;
    }
    $item_list = array();
    $item_list = getDropInfo($d, $item_list);
    return $item_list;
}

function getDropInfoById($drop_id)
{
    $d = getDropById($drop_id);
    if (!$d) {
        return null;
    }
    $item_list = array();
    $item_id_array = getExplode($d['item_id']);
    $item_num_array = getExplode($d['num']);
    $weight_array = getExplode($d['weight']);
    $time_array = getExplode($d['time']);
    for ($i = 0; $i < count($weight_array); $i++) {
        $item_id = $item_id_array[$i][0];
        $item_num = $item_num_array[$i][0];
        $weight = $weight_array[$i][0];
        $time = 0;
        if (!empty($time_array[$i][0]) && $time_array[$i][0] != '') {
            $time = $time_array[$i][0];
        }
        array_push($item_list, array(
            'item_id' => $item_id,
            'item_num' => $item_num,
            'time' => $time,
            'weight' => $weight,
        ));
    }
    return $item_list;
}