<?php


namespace refill;

require_once(BASE_HELPER_PATH . '/mtopcard/mtopcard.php');
require_once(BASE_HELPER_PATH . '/refill/IRefill.php');
require_once(BASE_HELPER_PATH . '/refill/IRefillOil.php');
require_once(BASE_HELPER_PATH . '/refill/IRefillPhone.php');
require_once(BASE_HELPER_PATH . '/refill/IRefillCallBack.php');
require_once(BASE_HELPER_PATH . '/refill/CalcMerchantPrice.php');
require_once(BASE_HELPER_PATH . '/refill/util.php');
require_once(BASE_HELPER_RAPI_PATH . '/api.php');

use Log;
use mtopcard;
use Exception;

class ProviderManager
{
    protected $mOilProvider;
    protected $mPhoneProvider;
    protected $mProviderNames;

    protected $mAllQMapPTS;
    protected $mProviders;
    protected $mSpecTypes;

    public function __construct()
    {

    }

    public function getQPTA()
    {
        return $this->mAllQMapPTS;
    }

    private function map_cfg($cfgs,$refill_type)
    {
        $card_types = function ($stypes)
        {
            $result = [];
            $types = explode(',',$stypes);
            foreach ($types as $stype) {
                $type = mtopcard\topcard_type($stype);
                $result[] = $type;
            }
            return $result;
        };

        $result = [];
        foreach ($cfgs as $item)
        {
            $name = $item['name'];
            $cfg = $item['cfg'];

            $provider = $this->create_provider($name,$cfg,$refill_type);
            if($provider !== false) {
                $this->mProviders[$name] = $provider;
                $this->mProviderNames[] = $name;
            } else {
                continue;
            }

            $amounts = $cfg['amount'] ?? [];
            foreach ($amounts as $spec => $goods)
            {
                foreach ($goods as $gitem)
                {
                    $quality = $gitem['quality'] ?? 1;

                    $types = $card_types($gitem['card_type']);
                    foreach ($types as $type) {
                        $this->mAllQMapPTS[$quality]["{$name}-{$type}-{$spec}"] = ['goods_id' => $gitem['goods_id'],'price' => $gitem['price'],'provider' => $provider];
                        $this->mSpecTypes[$quality]["{$type}-{$spec}"][] = $name;
                    }
                }
            }
        }

        return $result;
    }

    private function create_provider($name,$cfg,$refill_type)
    {
        try
        {
            $class = "refill\\{$name}\\{$refill_type}";

            if (class_exists($class, false)) {
                $provider = new $class($cfg);
                $provider->setOpened(false);
                return $provider;
            } else {
                $error = "Base Error: class {$class} isn't exists!";
                Log::record(__FUNCTION__ . " {$error}", Log::ERR);
            }
        }
        catch (Exception $ex) {
            Log::record($ex->getMessage(), Log::ERR);
        }

        return false;
    }

    public function load()
    {
        $this->mProviderNames = [];
        $this->mAllQMapPTS = [];
        $this->mProviders = [];
        $this->mSpecTypes = [];

        global $config;
        $this->map_cfg($config['phone_providers'],'RefillPhone');
        $this->map_cfg($config['oil_providers'],'RefillOil');
        $this->mProviderNames = array_unique($this->mProviderNames);

        $channels = $this->read_channel();

        foreach ($channels as $item)
        {
            $name = $item['name'];
            if(array_key_exists($name,$this->mProviders)) {
                $this->mProviders[$name]->setOpened($item['opened']);
            }
        }
    }

    private function read_channel()
    {
        $refill_provider = Model('refill_provider');
        $items = $refill_provider->getProviderList([]);

        $result = [];
        foreach ($items as $item) {
            $name = $item['name'];
            $val = ['name' => $name,
                    'type' => intval($item['type']),
                    'opened' => (intval($item['opened']) == 1) ? true : false,
                    'sort' => intval($item['sort'])];
            $result[$name] = $val;
        }

        return $result;
    }

    public function find_providers(int $spec, int $card_type,int $quality): array
    {
        $qnames = $this->mSpecTypes[$quality] ?? [];

        $key = "{$card_type}-{$spec}";
        if(array_key_exists($key,$qnames)) {
            $names = $qnames[$key];

            $providers = [];
            foreach ($names as $name)
            {
                $provider = $this->mProviders[$name];
                if($provider->opened()) {
                    $providers[] = $provider;
                }
            }
            return $providers;
        }
        else {
            return [];
        }
    }

    public function provider(string $chname)
    {
        if(array_key_exists($chname,$this->mProviders)) {
            return $this->mProviders[$chname];
        }
        else {
            return null;
        }
    }

    public function combine_goods($configs,$type)
    {
        $mod_prov = Model('refill_provider');
        $provider_items = $mod_prov->getProviderList(['type' => $type]);
        foreach ($provider_items as $item) {
            $providers[$item['name']] = $item;
        }
        $result = [];
        foreach ($configs as $item)
        {
            if($providers[$item['name']]['opened'] != 1) {
                continue;
            }
            $cfg = $item['cfg'];

            $card_types = $cfg['card_type'] ?? [];
            $amounts = $cfg['amount'] ?? [];

            foreach ($card_types as $type) {
                if (array_key_exists($type, $result)) {
                    $item = $result[$type];
                } else {
                    $item = [];
                }

                foreach ($amounts as $amount => $val) {
                    $item[] = $amount;
                }
                $item = array_unique($item);
                $result[$type] = $item;
            }
        }

        return $result;
    }

    public function goods()
    {
        global $config;

        $oil = $this->combine_goods($config['oil_providers'], 1);
        $phone = $this->combine_goods($config['phone_providers'], 2);

        return array_merge($oil, $phone);
    }
    public function providers()
    {
        return ['oil' => $this->mOilProvider,'phone' => $this->mPhoneProvider];
    }

    public function getCaller($chname)
    {
        try
        {
            $class_name = "refill\\{$chname}\\RefillCallBack";
            if (class_exists($class_name, false)) {
                $caller = new $class_name();
                return $caller;
            } else {
                $error = "Base Error: class {$class_name} isn't exists!";
                Log::record($error, Log::ERR);
                return false;
            }
        }
        catch (Exception $ex) {
            Log::record($ex->getMessage(), Log::ERR);
            return false;
        }
    }
}