using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace HyperCube.Models
{
    public class Blockchain
    {
        public static bool newData = false;
        public static List<Blockchain> loaded = new List<Blockchain>();
        public int port;
        public string url;
        public string address;
        public string name;

        Blockchain()
        {
        }

        public Blockchain(string url, int port)
        {
            this.url = url;
            this.port = port;
        }

        public static string bin2hex(string code)
        {
            //code = "0x".bin2hex('getCount()');
            var bytes = Encoding.UTF8.GetBytes(code);
            var hex = BitConverter.ToString(bytes).Replace("-", "");
            Console.WriteLine("hex " + hex);
            return "0x"+hex;
        }

        public async Task<string> GetSHA3(string code)
        {
            var hex = bin2hex(code);
            var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"web3_sha3\",\"params\":[\"{hex}\"], \"id\":1}}";

            var answer = await Post.PostRequestAsync(req);
            //dynamic jsonDe = JsonConvert.DeserializeObject(answer);

            Console.WriteLine("result " + answer);
            return answer;
        }

        public async Task<string> RunContract(string contractAddress, string data)
        {
            Console.WriteLine("RunContract contractAddress " + contractAddress);
            var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"eth_sendTransaction\",\"params\":[{{\"from\":\"{address}\",\"to\":\"{contractAddress}\",\"gas\":\"0x31b2e\", \"data\":\"{data}\"}}], \"id\":1}}";

            var answer = await Post.PostRequestAsync(req);
            dynamic jsonDe = JsonConvert.DeserializeObject(answer);

            Console.WriteLine("result " + answer);
            return contractAddress;
        }

        public async Task<string> GetReceipt(string transactionAddress)
        {
            Console.WriteLine("transactionAddress " + transactionAddress);
            var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"eth_getTransactionReceipt\",\"params\":[\"{transactionAddress}\"], \"id\":1}}";

            var answer = await Post.PostRequestAsync(req);

            dynamic jsonDe = JsonConvert.DeserializeObject(answer);
            var blockHash = jsonDe.result.blockHash;
            var blockNumber = jsonDe.result.blockNumber;
            var contractAddress = jsonDe.result.contractAddress;

            Console.WriteLine("result " + answer);
            return contractAddress;
        }

        public async Task<string> Initialize()
        {
            await ListAccounts();
            if (!loaded.Contains(this))
                loaded.Add(this);
            Console.WriteLine("loaded blockchains " + loaded.Count);
            return $"Blockchain connected: {url}";
        }

        public async void GetGas(string bytecode)
        {

        }

        public async Task<string> AddContract(string bytecode)
        {
            Console.WriteLine("bytecode " + bytecode);
            var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"eth_sendTransaction\",\"params\":[{{\"from\":\"{address}\",\"gas\":\"0x31b2e\", \"data\":\"{bytecode}\"}}], \"id\":1}}";

            var answer = await Post.PostRequestAsync(req);
            dynamic jsonDe = JsonConvert.DeserializeObject(answer);
            var res = jsonDe.result;
            Console.WriteLine("result AddContract transactionAddress: " + res);
            return res;
        }

        public async Task ListAccounts()
        {
            string answer = "no";
            //{ "jsonrpc":"2.0","method":"eth_getCode","params":["0x938cae6f6c21ed9d55196e96ef880f562e530553", "latest" ],"id":1}
            //string req = "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getCode\",\"params\":[\"0x874c6a51e62680d4594cd2555ed8fa47b63ed253\",\"latest\"],\"id\":1}";
            string req = "{\"jsonrpc\":\"2.0\",\"method\":\"eth_accounts\", \"params\":[],\"id\":1}";

            answer = await Post.PostRequestAsync(req);

            //string json = Encoding.UTF8.GetString(bytedata, 1, bytedata.Length - 1);
            //try
            //{
            Console.WriteLine("Json string " + answer);
            dynamic jsonDe = JsonConvert.DeserializeObject(answer);
            address = jsonDe.result[0];
            Console.WriteLine("Json addr " + jsonDe.result[0]);
            var methodName = (string)jsonDe.name;
            newData = true;
        }

        public async void ExecuteContract()
        {
            string answer = "no";
            string req = "{\"jsonrpc\":\"2.0\",\"method\":\"eth_call\",\"params\":[{\"to\":\"0x874c6a51e62680d4594cd2555ed8fa47b63ed253\", \"data\":\"0xa87d942c\"},\"latest\"],\"id\":1}";
            //string req = "{\"jsonrpc\":\"2.0\",\"id\":1,\"result\":\"0x0000000000000000000000000000000000000000000000000000000000000004\"}";
            //Console.WriteLine($"req " + req);
            await Post.PostRequestAsync(req);
            //Console.WriteLine($"answer {answer} len {answer.Length}" );
            address = answer;            
        }

        public string GetAddress()
        {
            //this.address = address;
            return address;
            //post запрос
        }
    }
}