using Logging;
using Nethereum.Contracts;
using Nethereum.RPC.Eth.DTOs;
using Nethereum.Web3;
using Utils;

namespace NethereumWorkflow
{
    public class NethereumInteraction
    {
        private readonly ILog log;
        private readonly Web3 web3;

        internal NethereumInteraction(ILog log, Web3 web3)
        {
            this.log = log;
            this.web3 = web3;
        }

        public void SendEth(string toAddress, decimal ethAmount)
        {
            var receipt = Time.Wait(web3.Eth.GetEtherTransferService().TransferEtherAndWaitForReceiptAsync(toAddress, ethAmount));
            if (!receipt.Succeeded()) throw new Exception("Unable to send Eth");
        }

        public decimal GetEthBalance()
        {
            return GetEthBalance(web3.TransactionManager.Account.Address);
        }

        public decimal GetEthBalance(string address)
        {
            var balance = Time.Wait(web3.Eth.GetBalance.SendRequestAsync(address));
            return Web3.Convert.FromWei(balance.Value);
        }

        public TResult Call<TFunction, TResult>(string contractAddress, TFunction function) where TFunction : FunctionMessage, new()
        {
            var handler = web3.Eth.GetContractQueryHandler<TFunction>();
            return Time.Wait(handler.QueryAsync<TResult>(contractAddress, function));
        }

        public void SendTransaction<TFunction>(string contractAddress, TFunction function) where TFunction : FunctionMessage, new()
        {
            var handler = web3.Eth.GetContractTransactionHandler<TFunction>();
            var receipt = Time.Wait(handler.SendRequestAndWaitForReceiptAsync(contractAddress, function));
            if (!receipt.Succeeded()) throw new Exception("Unable to perform contract transaction.");
        }

        //public bool IsSynced(string marketplaceAddress, string marketplaceAbi)
        //{
        //    try
        //    {
        //        return IsBlockNumberOK() && IsContractAvailable(marketplaceAddress, marketplaceAbi);
        //    }
        //    catch
        //    {
        //        return false;
        //    }
        //}

        //private bool IsBlockNumberOK()
        //{
        //    log.Debug();
        //    var sync = Time.Wait(web3.Eth.Syncing.SendRequestAsync());
        //    var number = Time.Wait(web3.Eth.Blocks.GetBlockNumber.SendRequestAsync());
        //    var numberOfBlocks = number.ToDecimal();
        //    return !sync.IsSyncing && numberOfBlocks > 256;
        //}

        //private bool IsContractAvailable(string marketplaceAddress, string marketplaceAbi)
        //{
        //    log.Debug();
        //    try
        //    {
        //        var contract = web3.Eth.GetContract(marketplaceAbi, marketplaceAddress);
        //        return contract != null;
        //    }
        //    catch
        //    {
        //        return false;
        //    }
        //}
    }
}