<?php

namespace App\Tool;

/**
 * L3 Distribution
 */
class ThirdApi
{

    const USER_AGENT = "Jose's Chrome/1.2";
    const ADDR_USDT_ERC20 = '0xdac17f958d2ee523a2206206994597c13d831ec7';
    const ID_BTC = 1;
    const ID_ETH = 1027;

    /**
     * Send a Message to Tg.
     * 
     * @param {string} msg: message
     * @return {boolean}
     */
    public static function sendToTg($msg): bool
    {
        // config
        $groupid = -1001256080228;
        $token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdXRob3JpemVkIjp0cnVlLCJleHAiOjE2ODQ3NDM4ODYsInVzZXJuYW1lIjoic3VwZXJtYXN0ZXIifQ.1R-PvyUg_GXpJOk-7lQTBjBnw0cLRxajx5kNsvuY7OA';

        $hc = new \GuzzleHttp\Client();
        $resp = $hc->post(config('app.tg_url'), [
            'headers' => [
                'User-Agent' => self::USER_AGENT,
                'Content-Type' => 'application/json',
                'Token' => $token,
            ],
            'json' => [
                'groupid' => $groupid,
                'msg' => $msg,
            ]
        ]);

        // In fact, we dont care the result.
        return true;
    }

    /**
     * Price of Coin in USD.
     * 
     *  API Sample Return:
     * 
     *      {
     *          "data": {
     *              "symbol": "ETH",
     *              "id": "1027",
     *              "name": "Ethereum",
     *              "amount": 1,
     *              "last_updated": 1653295260000,
     *              "quote": [
     *                  {
     *                      "cryptoId": 2781,
     *                      "symbol": "USD",
     *                      "price": 2057.2269068671376,
     *                      "lastUpdated": 1653295336000
     *                  }
     *              ]
     *          },
     *          "status": {
     *              "timestamp": "2022-05-23T08:43:37.410Z",
     *              "error_code": "0",
     *              "error_message": "SUCCESS",
     *              "elapsed": "1",
     *              "credit_count": 0
     *          }
     *      }
     * 
     * @param {integer} id: id of coin.(CoinMarketCap API)
     * @return {float}
     */
    public static function getPrice($id): float
    {
        $base_url = 'https://api.coinmarketcap.com/data-api/v3/tools/price-conversion';
        $amount = 1;
        $convert_id = 2781; // USD

        $url = $base_url . "?amount=$amount&convert_id=$convert_id&id=$id";

        $hc = new \GuzzleHttp\Client();
        $resp = $hc->get($url, [
            'headers' => [
                'User-Agent' => self::USER_AGENT,
            ]
        ]);
        if ($resp->getStatusCode() == 200 && $body = $resp->getBody()) {
            $body->seek(0);
            $data = $body->read(1024);

            $d = json_decode($data, true);
            if (
                $d['status'] &&
                $d['status']['error_code'] == 0 &&
                $d['data'] &&
                $d['data']['id'] == $id &&
                $d['data']['quote']
            ) {
                return $d['data']['quote'][0]['price'] ?? 0.0;
            }
        }
        return 0.0;
    }

    /**
     * Get Price of ETH in USD.
     */
    public static function getETHPrice(): float
    {
        return self::getPrice(self::ID_ETH);
    }

    public static function getUSDTBalance($address): float
    {
        /*
        {
            "code":1,
            "msg":"成功",
            "data":[
                {
                    "network":"ETH",
                    "hash":"0xdac17f958d2ee523a2206206994597c13d831ec7",
                    "tokenInfo":{
                        "h":"0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "f":"Tether USD",
                        "s":"USDT",
                        "d":"6"
                    },
                    "transferCnt":2,
                    "balance":"17095417"
                }
            ]
        }
        */
        $data = file_get_contents('https://eth.tokenview.com/api/eth/address/tokenbalance/' . strtolower($address));
        $data_array = json_decode($data, true);

        if ($data_array['code'] == 1) {
            foreach ($data_array['data'] as $v) {
                if ($v['hash'] == self::ADDR_USDT_ERC20) {
                    return $v['balance'] / pow(10, $v['tokenInfo']['d']);
                }
            }
        }

        return 0.0;
    }
}