/* import moralis */
const Moralis = require("moralis/node");
var utils = require('./utils.js');
// var config = require('../config/config.js')(db_config,
//     moralis_config)
var { moralis_config, reids_token_config, account_config } = require('../config/config.js')
const redis = require("./redis_db")  //导入 db.js
const mysql = require("./mysql_db")

/* Moralis init code */
var serverUrl = moralis_config.SERVER_URL;
var appId = moralis_config.APP_ID;
var masterKey = moralis_config.MASTER_KEY;
var moralisSecret = moralis_config.MORALIS_SECRET;

// 内部异常
const ERROR_CODE_001 = -1;
const SUCCEED_CODE = 0;



/**
 * 初始化 moralis
 * https://st94nif1cq.feishu.cn/docs/doccnNxG2UwHPCdZXbywgbdy13f#
 */
async function initMasterSDK() {
    await Moralis.start({ serverUrl, appId, masterKey });
}
async function initMoralisSecretSDK() {
    await Moralis.start({ serverUrl, appId, moralisSecret });
}

function toJson(code_, obj_, errMsg_) {
    return utils.toJson(code_, obj_, errMsg_);
}


const withdraw = async (obj) => {
    obj.withdraw = 1;
    return await transfer(obj);
}


async function getAccountBalances(options) {
    await initMasterSDK();
    if (options.chain) {
        options.chain = utils.getChainName(options.chain)
    }
    console.log('getAccountBalances :', options)
    if (options.type == 'native') {
        var opt_ret = await Moralis.Web3API.account.getNativeBalance(options);
        console.log('getNativeBalance=', opt_ret);
        return opt_ret
    } else {
        var aar = await Moralis.Web3API.account.getTokenBalances(options);
        console.log('getTokenBalances=', aar);
        return aar;
    }
}

/**
 * 获取当前账户下所有不同种类的币  主流币 + 20币
 * 
 * 必填项
 * obj.chain = ?
 * @param {*} obj 
 */
async function getAccountAllCoins(obj) {
    var temp_chain = obj.chain;

    //拿到我当前所有的币种
    obj.type = 'native'
    obj.chain = temp_chain
    var native_balance = await getAccountBalances(obj);


    //拿到我当前所有的 20 币
    obj.type = '20'
    obj.chain = temp_chain
    var others_balances = await getAccountBalances(obj);
    return {
        native: native_balance,
        other: others_balances,
    }
}

/**
 * 判断是否转 gas 费
 * @param {*} my_account_all_coins 
 */
async function computeTransferGasFree(my_account_all_coins, tokenPrices) {
    var totalCount = 0;
    var tokenCount = 0;
    var tokenGasPrice = 0;
    var nativeGasPrice = 0;

    var ret_total_gas_price = 0;
    var ret_total_count = 0;
    var ret_a_gas = 0;

    //得到 20 币 满足 1美刀的 count
    if (Array.isArray(my_account_all_coins.other) && my_account_all_coins.other.length > 0) {
        my_account_all_coins.other.forEach(element => {
            console.debug('20 element=', element);
            var find_transfer_item = findTokenPriceItem(element.token_address, tokenPrices);
            var total_all_usdprice = calculate_total_usdprice(element.balance, element.decimals, find_transfer_item.usdPrice);
            console.debug('findTokenPriceItem ret=', element.token_address, find_transfer_item, total_all_usdprice);
            if (find_transfer_item && total_all_usdprice > 1.0) {
                tokenCount += 1;
                console.debug('token > 1.0', tokenCount, element.token_address);
            }
        });
        console.log('account_config.TOKEN_GAS_LIMIT=', account_config.TOKEN_GAS_LIMIT);

        tokenGasPrice = parseInt(tokenCount) * parseInt(account_config.TOKEN_GAS_LIMIT) * parseInt(account_config.BNB_GAS_PRICE);
        ret_a_gas = account_config.BNB_GAS_PRICE;
        console.log('tokenGasPrice=', tokenGasPrice);
    }


    //计算 native 是否满足 1美刀
    console.log('isTransferGasFree token count:', tokenCount);
    var nativeAllBalance = my_account_all_coins.native.balance;
    var nativeCount = 0
    var nativePriceItem = findTokenPriceItem('0x0000000000000000000000000000000000000000', tokenPrices);//todo 线上环境需要换
    console.debug('native nativePriceItem=', nativePriceItem, nativeAllBalance);
    if (nativePriceItem) {
        var total_all_usdprice = calculate_total_usdprice(nativeAllBalance, '18', nativePriceItem.usdPrice);
        console.debug('native total_all_usdprice=', total_all_usdprice);
        if (total_all_usdprice > 1.0) {
            nativeCount = 1;
            console.debug('native > 1.0', tokenCount);
            nativeGasPrice = parseInt(nativeCount) * parseInt(account_config.BNB_GAS_LIMIT) * parseInt(account_config.BNB_GAS_PRICE);
            ret_a_gas = account_config.BNB_GAS_PRICE;
        }
    }

    //计算所有币转账所需要的 gas 
    totalCount = nativeCount + tokenCount;
    // var gasPrice = await redis.readRedis(reids_token_config.GASPRICE);
    console.log('nativeAllBalance', nativeAllBalance);
    console.log('totalCount', totalCount);




    var total2Gas = nativeGasPrice + tokenGasPrice;
    var service_charge = 0;
    console.log('total2Gas', total2Gas);

    //如果当前的钱不够  gas
    if (nativeAllBalance < total2Gas) {
        if (tokenCount > 0) {//出现 token 需要转移手续费
            service_charge = 1;
            total2Gas = (total2Gas - nativeAllBalance);//充手续费
            console.log('需要转账=', total2Gas);
        }
    }
    ret_total_gas_price = total2Gas.toString();
    ret_total_count = totalCount;

    //返回结果
    return {
        gasPrice: ret_total_gas_price, //需要 归集到用户地址的 gas 费转移
        totalCount: ret_total_count, //一共归集次数
        aGasPrice: ret_a_gas, //单个 gas 费用
        get_service_charge: service_charge,//是否需要服务费
    };
}

function findTokenPriceItem(token_address, tokenPrices) {
    return tokenPrices.tokenPrice.find(element => {
        console.log('findTokenPriceItem find=', element.contract, token_address)
        return element.contract.toLowerCase() == token_address.toLowerCase();
    })
}

// function calculate_total_usdprice(amount, decimals, usdprice) {
//     return parseInt(amount) / (10**parseInt(decimals)) * parseInt(usdprice) ;
function calculate_total_usdprice(amount, decimals, usdprice) {
    return parseInt(amount) / (10 ** parseInt(decimals)) * parseFloat(usdprice);
}


async function updateNativeBalance(nativeBalance, obj) {
    var temp = obj
    var retryCount = 30;
    do {
        //上面转账完 BNB 会减去，这里再获取一次
        var native_ret = await Moralis.Web3API.account.getNativeBalance(temp);
        console.log('更新余额 ：', native_ret, retryCount)
        if (nativeBalance != native_ret.balance) {
            return native_ret.balance;
        }
        await utils.sleep(3000);
        retryCount--;
    } while (native_ret.balance == nativeBalance && retryCount > 0);
    return null;
}

//支持多账户转账
async function transfers(obj, my_account_all_coins) {
    var address = obj.address;
    var chain = obj.chain;
    var tokenPrices = obj.tokenPrices;
    console.log('tokenPrices=', tokenPrices, my_account_all_coins);
    if (!my_account_all_coins || !tokenPrices) return 'error.'

    console.log(' my_account_all_coins.other.lenth=', my_account_all_coins.other.length);

    var isUpdateNativeBalance = 0;

    //token 归集
    if (my_account_all_coins.other && Array.isArray(my_account_all_coins.other) && my_account_all_coins.other.length > 0) {
        var available = Array.isArray(tokenPrices.tokenPrice) && tokenPrices.tokenPrice.length > 0
        if (!available) return -1;
        for (let i = 0; i < my_account_all_coins.other.length; ++i) {
            var transfer_item = my_account_all_coins.other[i];
            if (my_account_all_coins.other[i].token_address != null) {
                var find_transfer_item = findTokenPriceItem(transfer_item.token_address, tokenPrices);
                //todo 计算 token 币价格 * token美元单价 
                if (find_transfer_item && calculate_total_usdprice(transfer_item.balance, transfer_item.decimals, find_transfer_item.usdPrice) > 1.0) {
                    var obj_20 = {
                        chain: obj.chain,
                        contractAddress: transfer_item.token_address,
                        amount: transfer_item.balance,
                        receiver: account_config.WELLET_PUBLIC_KEY,
                        type: 'erc20',
                        address: address,
                    }
                    console.log('start_collectCoins erc20:', obj_20);
                    console.log('calculate_total_usdprice 20', calculate_total_usdprice(transfer_item.balance, transfer_item.decimals, '0.1'));
                    isUpdateNativeBalance = 1;
                    var ret = await start_collectCoins(obj_20)
                    console.log('start_collectCoins erc20 respose...', ret);
                }
            } else {
                console.error('token Must be greater than  a dollar.', transfer_item.balance, transfer_item.decimals);
                return toJson(-1, null, 'token Must be greater than  a dollar.');
            }
        }
    }

    //native 归集
    if (my_account_all_coins.native) {
        console.log('查询本地余额参数=', obj)
        if (obj.chain) {
            obj.chain = utils.getChainName(obj.chain)
        }
        console.log('查询本地余额 before', my_account_all_coins.native)
        if (isUpdateNativeBalance) {
            // do {
            var updateBalance = await updateNativeBalance(my_account_all_coins.native.balance, obj)
            if (updateBalance)
                my_account_all_coins.native.balance = updateBalance;
            else
                return 'updateNativeBalance error. '

            //     //上面转账完 BNB 会减去，这里再获取一次
            //     var native_ret = await Moralis.Web3API.account.getNativeBalance(obj);
            //     console.log('更新余额 ：', native_ret)
            //     if (my_account_all_coins.native.balance != native_ret.balance) {
            //         my_account_all_coins.native.balance = native_ret.balance;
            //         break
            //     }
            //     await utils.sleep(1000);
            // } while (native_ret.balance == my_account_all_coins.native.balance);
        }
        obj.chain = chain;
        console.log('查询本地余额 after', my_account_all_coins.native)
        var find_native_item = findTokenPriceItem('0x0000000000000000000000000000000000000000', tokenPrices);//todo 线上环境需要换
        var nativeCoins = calculate_total_usdprice(my_account_all_coins.native.balance, '18', find_native_item.usdPrice);
        console.log('start_collectCoins nativeCoins:', nativeCoins, obj);
        console.log('start_collectCoins obj:', obj);
        console.log('start_collectCoins native.balance:', my_account_all_coins.native.balance);
        //todo 计算 token 币价格 * token美元单价
        if (find_native_item && nativeCoins > 1.0) {
            console.log('native.balance', my_account_all_coins.native.balance)
            console.log('aGasPrice', obj.transFerGasFree.aGasPrice)
            console.log('gasLimint', account_config.BNB_GAS_LIMIT)
            // var gasPrice = BigInt(obj.transFerGasFree.aGasPrice);

            var gasPrice = BigInt(account_config.BNB_GAS_PRICE);
            var gasLimit = BigInt(account_config.BNB_GAS_LIMIT);
            var nativeBalance = BigInt(my_account_all_coins.native.balance);

            console.log('native.balance>>>', nativeBalance)
            console.log('aGasPrice>>>', gasPrice)
            console.log('gasLimint>>>', gasLimit)

            var real_native_amount = nativeBalance - gasPrice * gasLimit;
            console.log('start_collectCoins native amount:', real_native_amount.toString());

            obj = {
                chain: chain,
                amount: real_native_amount.toString(),
                receiver: account_config.WELLET_PUBLIC_KEY,
                type: 'native',
                address: address,
            }

            // obj = {
            //     chain: 'bsc_testnet',
            //     amount: real_native_amount.toString(),
            //     receiver: account_config.WELLET_PUBLIC_KEY,
            //     type: 'native',
            //     address: '0x7C7401fcc82D1e53C4090561c3e6fde80d74e317',
            // }

            console.log('start_collectCoins native:', obj);
            console.log('calculate_total_usdprice native', nativeCoins, find_native_item);
            return await start_collectCoins(obj)
        } else {
            return toJson(-1, null, 'native Must be greater than  a dollar.');
        }
    }
}


const start_collectCoins = async (obj) => {
    obj.withdraw = 0;
    return await transfer(obj);
}



/**
 * 用户充币地址的币转移到归集地址
 * 1、检查当前账户的 主流币或者 20 币，是否满足一美刀，并且查看是否满足转账费用 n 如果不满足，先从归集地址 -> 用户提币地址(0.*2 来回2次转移)
 * 2、发起归集 用户账户 -> 从 mysql 拿到私钥进行解密 -> 转移到归集地址
 * 
 * 
 * @param {*} obj 
 */
const collectCoins = async (obj) => {
    var chain = obj.chain;
    //1、拿到当前账户所有的币
    //2、是否满足交易费 如果不满足则 归集地址转移 币count * 手续费 到充币地址
    //3、遍历所有币，开始转移到归集地址
    var my_account_all_coins = await getAccountAllCoins(obj);

    //得到币价格
    obj.tokenPrices = await redis.readRedis(reids_token_config.TOKENPRICE)
    if (typeof obj.tokenPrices == 'string')
        obj.tokenPrices = JSON.parse(obj.tokenPrices);

    //计算 gas 费用 是否需要归集
    var transFerGasFree = await computeTransferGasFree(my_account_all_coins, obj.tokenPrices);
    console.log('computeTransferGasFree=', transFerGasFree)

    //是否需要归集
    if (transFerGasFree.totalCount > 0) {
        //需要转移 gas 费
        if (parseInt(transFerGasFree.gasPrice) > 0 && transFerGasFree.get_service_charge == 1) {
            var obj_wd = {
                chain: chain,
                amount: transFerGasFree.gasPrice,
                receiver: obj.address,
                type: 'native',
                address: account_config.WELLET_PUBLIC_KEY, //todo 正式环境需要替换从 mysql read
            }
            console.log('开始充值 gas ', obj_wd)
            var ret = await withdraw(obj_wd)
            console.log('充值完成 gas ', ret)

            //更新本地余额
            var updateBalance = await updateNativeBalance(my_account_all_coins.native.balance, obj)
            if (updateBalance)
                my_account_all_coins.native.balance = updateBalance;
            else return "error."
        }

        obj.chain = chain;
        obj.transFerGasFree = transFerGasFree;
        console.log('transfers--->', obj);
        var ret = await transfers(obj, my_account_all_coins);
        console.log('归集结果=', ret);
        return ret;
    }
    return obj.address+':不满足归集条件';
}

var collectCoinsArrays = [];
async function execCollectCoinsTask() {
    // new Promise((resolve) => {
    while (collectCoinsArrays.length > 0) {
        var obj = collectCoinsArrays.pop();
        //开始收集用户地址里面的币到归集地址
        var ret = await collectCoins(obj);
        await utils.sleep(10000);
        console.log('execCollectCoinsTask=', obj, collectCoinsArrays.length)
    }
    //     resolve('result');
    // })
}


function pushCollectConisObj(obj) {
    collectCoinsArrays.push(obj)
    execCollectCoinsTask();
}


async function readPriveteKeyFromMysql(address) {
    return new Promise(resolve => {
        mysql.queryUserPrivateKeyFromUserAddress(address).then(ret => {
            console.log('readPriveteKeyFromMysql=', ret);
            resolve(ret);
        })
    })
}

const transfer = async (obj) => {
    console.debug("fun transfer in ", obj);
    console.debug("fun transfer serverUrl ", serverUrl);
    console.debug("fun transfer appId ", serverUrl);
    console.debug("fun transfer moralisSecret ", moralisSecret);
    await initMoralisSecretSDK();
    // initSDK(moralisSecret);
    console.debug("fun transfer start ok ");
    const opts = {};
    opts.chainId = 'bsc_testnet';
    opts.privateKey = moralis_config.DEFAULT_PRIVATE_KEY;
    opts.type = "erc20"; //native erc20

    if (!obj.receiver || !obj.amount || parseInt(obj.amount) <= 0) {
        console.error("fun transfer parameter error.");
        return toJson(ERROR_CODE_001, null, "please check receiver or amount parameter is ok ?");
    }
    if (obj.chain != null) {
        opts.chainId = utils.getChainId(obj.chain);
        console.log("chainId:", opts.chainId);
    }

    if (obj.type != null) {
        opts.type = obj.type;
    }

    if (obj.from_block != null) {
        opts.from_block = obj.from_block;
    }

    if (obj.to_block != null) {
        opts.to_block = obj.to_block;
    }

    opts.contractAddress = obj.contractAddress;
    opts.receiver = obj.receiver;
    //调用者传入
    // opts.amount = Moralis.Units.Token(obj.amount, 18);
    opts.amount = obj.amount;

    if (obj.privateKey != null) {
        opts.privateKey = obj.privateKey;
    }

    //解密私钥
    var privateKey = '';
    //提币
    if (obj.withdraw) {
        //提币公司
        opts.privateKey = account_config.WELLET_PRIVATE_KEY;
    } else {
        //读取用户充币地址对应的私钥
        opts.privateKey = await readPriveteKeyFromMysql(obj.address);
        if (opts.privateKey && opts.privateKey.results) {
            opts.privateKey = opts.privateKey.results;
        }
    }

    if (!opts.privateKey) {
        return toJson(-1, null, "decryptPrivityKey error.");
    }

    opts.privateKey = utils.decryptPrivityKey(opts.privateKey);

    console.log('decryptPrivityKey privateKey=', opts.privateKey);
    try {
        // sending 0.5 DAI tokens with 18 decimals on BSC testnet
        var options;
        if (opts.contractAddress) { //如果存在就是代币
            options = Moralis.TransferOptions = {
                type: opts.type,
                amount: opts.amount,
                receiver: opts.receiver, //接收钱包地址
                contractAddress: opts.contractAddress //用户合约地址
            };
            console.log("options 20 =", options);
        } else { //ETH or BNB
            options = Moralis.TransferOptions = {
                type: opts.type,
                amount: opts.amount,
                receiver: opts.receiver, //接收钱包地址
            };
            console.log("options native =", options, opts.chainId);
        }

        // Enable web3
        await Moralis.enableWeb3({
            //BSC mainnet = 0x38-56 testnet:0x61-97
            chainId: opts.chainId,
            privateKey: opts.privateKey,
        });
        var ret = await Moralis.transfer(options);
        return toJson(SUCCEED_CODE, ret, "");
    } catch (error) {
        console.log('transfer error:', error);
        if (error.reason != null) {
            return toJson(ERROR_CODE_001, null, error.toString());
        } else {
            return toJson(ERROR_CODE_001, null, error);;
        }
    }
};
const getAllTokenWithdrawInfoLists = async (obj) => {
    try {
        var key = reids_token_config.TOKENWITHDRAW;
        var ret = await redis.readRedis(key);
        return toJson(SUCCEED_CODE, ret, null);
    } catch (error) {
        console.error("getAllTokenWithdrawInfoLists=", error);
        return toJson(ERROR_CODE_001, null, error.toString());
    }
}



/**
 * 获取代币价格 -> usdPrice
 */
const getAllTotkenPrice = async () => {
    try {
        console.log('当前环境：', process.env.NODE_ENV);
        console.log("getAllTotkenPrice in", reids_token_config); // Prints "value"
        var token_price_key = reids_token_config.TOKENPRICE;
        console.log("getAllTotkenPrice token_price_key=", token_price_key);
        return await redis.readRedis(token_price_key)
    } catch (error) {
        console.error("getTotkenPrice=", error);
        return toJson(ERROR_CODE_001, null, error.toString());
    }
}

//获取交易记录
//hash 0xe09ba3a4c9f7a8902e01af68d0f1f91906f3f7db1195227e61c45c0e86b2630a
async function getTokenTransfers(opt) {
    await initMasterSDK();
    console.debug("fun getTokenTransfers in ", opt);
    const options = {};
    options.type = 'all';
    options.chain = 'bsc_mainnet';

    if (opt.chain != null) {
        options.chain = utils.getChainName(opt.chain);
        console.log('getTokenTransfers=', options.chain);
    }

    if (opt.order != null) {
        options.order = opt.order;
    }

    if (opt.startTime != null) {
        options.from_date = opt.startTime;
    }

    if (opt.endTime != null) {
        options.to_date = opt.endTime;
    }

    if (opt.from_block != null) {
        options.from_block = opt.from_block;
    }

    if (opt.to_block != null) {
        options.to_block = opt.to_block;
    }

    if (opt.transaction_hash) {
        options.transaction_hash = opt.transaction_hash;
        options.type = 'transaction_hash';
    }

    console.debug('getTokenTransfers-->>>', options);
    if (options.type == 'all') {//查询主流币和 20 币所有的交易
        try {
            if (opt.address != null) {
                options.address = opt.address;
            } else {
                return toJson(ERROR_CODE_001, null, "please check address parameter is ok ?");
            }
            //主流币
            var t_1 = await Moralis.Web3API.account.getTransactions(options);
            //20币
            var t_2 = await Moralis.Web3API.account.getTokenTransfers(options);
            let arr = t_1.result;
            let arr1 = t_2.result;
            if (Array.isArray(arr1) && Array.isArray(arr)) {
                let arr2 = arr.concat(arr1);
                t_1.result = arr2;
            }
            return toJson(SUCCEED_CODE, t_1, null);
        } catch (error) {
            console.error("getTransactions error:", error)
            return toJson(ERROR_CODE_001, null, error);;
        }
    } else if (options.type == 'transaction_hash') {//根据哈希查询
        try {
            //native
            const transaction = await Moralis.Web3API.native.getTransaction(options);
            var arr = [];
            if (transaction)
                arr.push(transaction)
            var obj = { result: arr }
            return toJson(SUCCEED_CODE, obj, null);
        } catch (error) {
            console.error("native getTransaction error:", error)
            return toJson(ERROR_CODE_001, null, error);;
        }
    } else {
        return toJson(ERROR_CODE_001, null, "This type is not supported.");;
    }
}

module.exports = {
    transfer,
    getTokenTransfers,
    toJson,
    getAllTokenWithdrawInfoLists,
    getAllTotkenPrice,
    withdraw,
    collectCoins,
    pushCollectConisObj,
}