<?php

require_once('mt/Item.php');
require_once('mt/Shop.php');
require_once('mt/Parameter.php');
require_once('mt/Dailyselection.php');

require_once('services/AwardService.php');
require_once('services/PropertyChgService.php');
require_once('services/LogService.php');

use services\LogService;
use services\AwardService;
use services\PropertyChgService;

class DailySelectionController extends BaseAuthedController {

    const MAX_GRID_ID = 6;

    /*
      {
      "refresh_time": 0,
      "refresh_count": 0,
      "grid_list": [
      {
        "id": 0,
        "count": 0
      }
      ]
      }
     */
    private $data = null;

    public function _handlePre()
    {
        parent::_handlePre();
        $this->load();
    }

    public function info()
    {
        $goodsList = array();
        $slot = 1;
        foreach ($this->data['grid_list'] as $grid) {
            $meta = mt\Dailyselection::get($grid['id']);
            if ($meta) {
                array_push($goodsList,
                           array(
                               'slot' => $slot,
                               'count' => $grid['count'],
                               'goods_meta' => array(
                                   'goods_id' => $meta['id'],
                                   'item_id' => $meta['goods_id'],
                                   'item_num' => $meta['goods_num'],
                                   'price' => $meta['price'],
                                   'discount' => $meta['discount'],
                                   'token_type' => $meta['token_type'],
                               )
                           ));
            }
            ++$slot;
        }

        $count = $this->data['refresh_count'];
        $costs = mt\Parameter::getByName('daily_selection_refresh_cost');
        $arrCosts = explode('|', $costs['param_value']);

        $maxCount = count($arrCosts);
        $cost = $count < $maxCount ? $arrCosts[$count] : -1;

       $this->_rspData(
            array(
                'refresh_count' => min($maxCount, $this->data['refresh_count']),
                'refresh_max_count' => $maxCount,
                'cost' => $cost,
                'goods_list' => $goodsList,
            )
        );
     }

    public function refresh()
    {
        $costs = mt\Parameter::getByName('daily_selection_refresh_cost');
        $arrCosts = explode('|', $costs['param_value']);
        $maxCount  = count($arrCosts);

        $count = $this->data['refresh_count'];
        if ($count >= $maxCount) {
            myself()->_rspErr(1, 'The maximum number of refreshes has been reached');
            return;
        }

        $cost = $arrCosts[$count];
        $costItems = array(
            array(
                'item_id' => V_ITEM_GOLD,
                'item_num' => $cost
            )
        );
        $lackItem = null;
        if (!myself()->_hasEnoughItems($costItems, $lackItem)) {
            myself()->_rspErr(2, $this->_getLackItemErrMsg($lackItem));
            return;
        }
        myself()->_decItems($costItems);
        $this->internalRefresh(true);
        $this->save();
        $propertyChgService = new PropertyChgService();
        $propertyChgService->addUserChg();

        ++$count;
        $newCost = $count < $maxCount ? $arrCosts[$count] : -1;
        myself()->_rspData(array(
            'cost' => $newCost,
            'property_chg' => $propertyChgService->toDto()
        ));
    }

    public function buy()
    {
        $grid = getReqVal('grid', 0);
        $tokenType = getReqVal('token_type', 0);

        if ($grid < 0 || $grid >= count($this->data['grid_list'])) {
            $this->_rspErr(1, 'paramater error grid');
            return;
        }
        if (!in_array(
            $tokenType,
            array(
                mt\Shop::TOKEN_TYPE_GOLD,
                mt\Shop::TOKEN_TYPE_DIAMOND,
            )
        )) {
            $this->_rspErr(1, 'paramater error token_type');
            return;
        }

        $gridInfo = &$this->data['grid_list'][$grid];
        if ($gridInfo['count'] <= 0) {
            $this->_rspErr(1, 'goods not enough');
            return;
        }
        $goodsMeta = mt\Dailyselection::get($gridInfo['id']);
        if (!$goodsMeta) {
            $this->_rspErr(1, 'config error grid');
            return;
        }
        $arrPrice = splitStr1($goodsMeta['price']);
        $arrTokenType = splitStr1($goodsMeta['token_type']);
        if (count($arrPrice) != count($arrTokenType)) {
            $this->_rspErr(1, 'config error price');
            return;
        }
        if (!in_array(
            $tokenType,
            $arrTokenType
        )) {
            $this->_rspErr(1, 'paramater error token_type');
            return;
        }
        $tokenPos = array_search($tokenType, $arrTokenType);
        if (is_null($tokenPos) ||
            $tokenPos === false) {
            $this->_rspErr(1, 'paramater error token_pos');
            return;
        }
        $costItemId = mt\Shop::getCostItemIdByTokenType($tokenType);
        if ($costItemId <= 0) {
            $this->_rspErr(1, 'paramater error cost item id');
            return;
        }
        $costItems = array(
            array(
                'item_id' => $costItemId,
                'item_num' => $arrPrice[$tokenPos]
            )
        );
        $lackItem = null;
        if (!myself()->_hasEnoughItems($costItems, $lackItem)) {
            myself()->_rspErr(2, myself()->_getLackItemErrMsg($lackItem));
            return;
        }
        $gridInfo['count'] = 0;
        $this->save();

        $awardService = new AwardService();
        $propertyChgService = new PropertyChgService();
        $propertyChgService->addUserChg();

        myself()->_decItems($costItems);
        myself()->_addItems(
            array(
                array(
                    'item_id' => $goodsMeta['goods_id'],
                    'item_num' => $goodsMeta['goods_num'],
                    'is_payed' => true
                )
            ),
            $awardService,
            $propertyChgService
        );

        {
            $event = [
                'name' => LogService::SHOP_BUY_ITEM_DAILY,
                'val' => $costItems[0]['item_num']
            ];
            switch ($tokenType) {
            case mt\Shop::TOKEN_TYPE_GOLD:
            {
                LogService::consumeGold($event);
            }
            break;
            default:
            {
                break;
            }
            }
        }

        myself()->_rspData(array(
            'award' => $awardService->toDto(),
            'property_chg' => $propertyChgService->toDto()
        ));
    }

    private function internalRefresh($manual)
    {
        if ($manual) {
            $this->data['refresh_time'] = myself()->_getNowTime();
            ++$this->data['refresh_count'];
        } else {
            $this->data = array(
                "refresh_time" => myself()->_getNowTime(),
                "refresh_count" => 0,
                "grid_list" => array()
            );
        }
        $this->data['grid_list'] = array();
        for ($i = 1; $i <= self::MAX_GRID_ID; $i++) {
            $rndMeta = mt\Dailyselection::randomBySlot($i);
            if ($rndMeta) {
                array_push(
                    $this->data['grid_list'],
                    array(
                        'id' => $rndMeta['id'],
                        'count' => 1
                    )
                );
            }
        }
    }

    private function load()
    {
        $rawData = myself()->_getSelfRedis()->get($this->getRedisKey());
        if (empty($rawData)) {
            $this->internalRefresh(false);
            $this->save();
            return;
        }
        $this->data = json_decode($rawData, true);
    }

    private function save()
    {
        $remainSec = 3600 * 24 - (myself()->_getNowTime() - myself()->_getNowDaySeconds());
        $remainSec = $remainSec + rand() % (3600 * 3);
        $remainSec = max(0, $remainSec);
        myself()->_getSelfRedis()->set(
            $this->getRedisKey(),
            json_encode($this->data)
        );
        myself()->_getSelfRedis()->pexpire(
            $this->getRedisKey(),
            $remainSec * 1000);
    }

    private function getRedisKey()
    {
        $key = DAILY_SELECTION_KEY .
             myself()->_getTodayLeadStr() .  ':' . myself()->_getAccountId();
        return $key;
    }

}