/*
 * @project: TERA
 * @version: Development (beta)
 * @license: MIT (not for evil)
 * @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
 * Web: https://terafoundation.org
 * Twitter: https://twitter.com/terafoundation
 * Telegram:  https://t.me/terafoundation
*/

var MIN_VERSION = 1020;
var COUNT_BLOCK_PROOF = 300;
var MIN_SUM_POWER = COUNT_BLOCK_PROOF * 35;
var MainServer = undefined;
var MaxConnectedCount = 10;
var MaxTimeConnecting = 3 * 1000;
var StartTimeConnecting = 0;
var ConnectedCount = 0;
var NETWORK = "TERA-MAIN";
var ServerMap = {};
var ServerMainMap = {
    "127.0.0.1": { "ip": "127.0.0.1", "port": 80, "Name": "LOCAL" }, "terafoundation.org": {
        "ip": "terafoundation.org",
        "port": 443, "Name": "TERA", "System": 1
    }, "dappsgate.com": { "ip": "dappsgate.com", "port": 80, "Name": "SUPPORT2", "System": 1 }, "t1.teraexplorer.com": {
        "ip": "t1.teraexplorer.com",
        "port": 80, "Name": "t1.teraexplorer.com", "System": 1
    }, "t2.teraexplorer.com": {
        "ip": "t2.teraexplorer.com", "port": 80, "Name": "t2.teraexplorer.com",
        "System": 1
    }, "t3.teraexplorer.com": { "ip": "t3.teraexplorer.com", "port": 80, "Name": "t3.teraexplorer.com", "System": 1 }, "t4.teraexplorer.com": {
        "ip": "t4.teraexplorer.com",
        "port": 80, "Name": "t4.teraexplorer.com", "System": 1
    }, "t5.teraexplorer.com": {
        "ip": "t5.teraexplorer.com", "port": 80, "Name": "t5.teraexplorer.com",
        "System": 1
    },
};
var ServerTestMap = {
    "127.0.0.1": { "ip": "127.0.0.1", "port": 80, "Name": "LOCAL" }, "dappsgate.com": {
        "ip": "dappsgate.com", "port": 88,
        "Name": "SUPPORT2", "System": 1
    },
};

function StartWebWallet() {
    if (NETWORK === "TERA-TEST2") {
        MIN_SUM_POWER = 0;
        ServerMap = ServerTestMap;
    }
    else {
        MIN_SUM_POWER = COUNT_BLOCK_PROOF * 35;
        ServerMap = ServerMainMap;
    }
    $("idNetwork").innerText = NETWORK;
    OnInitWebWallet();
    ConnectWebWallet();
};

function OnInitWebWallet() {
    var str = Storage.getItem(NETWORK + "NodesArrayList");
    if (str) {
        var arr = JSON.parse(str);
        for (var i = 0; i < arr.length; i++) {
            var Item = ServerMap[arr[i].ip];
            if (Item && Item.System)
                continue;
            ServerMap[arr[i].ip] = arr[i];
        }
    }
};

function SaveServerMap() {
    var arr = [];
    for (var key in ServerMap) {
        var Item = ServerMap[key];
        if (Item.SumPower >= MIN_SUM_POWER) {
            arr.push({ ip: Item.ip, port: Item.port });
        }
    }
    Storage.setItem(NETWORK + "NodesArrayList", JSON.stringify(arr));
};

function SetStatus(Str) {
    var id = $("idStatus");
    id.innerHTML = Str;
    if (Str)
        console.log(id.innerText);
};

function SetError(Str, bNoSound) {
    SetStatus("<DIV  align='left' style='color:red'><B>" + Str + "</B></DIV>");
};
var CountConnect = 0;
var CountWallet = 0;

function ConnectWebWallet() {
    StartTimeConnecting = Date.now();
    ConnectedCount = 0;
    for (var key in ServerMap) {
        var Item = ServerMap[key];
        Item.SendHandShake = 0;
    }
    if (window.BrowserIE && !IsLocalClient()) {
        MainServer = undefined;
        return;
    }
    CountConnect = 0;
    CountWallet = 0;
    SetStatus("Connecting...");
    LoopHandShake();
    setTimeout(LoopWalletInfo, 1500);
};
var Stage = 0;

function LoopHandShake() {
    Stage++;
    SetStatus("Connecting: " + Stage + "...");
    for (var key in ServerMap) {
        var Item = ServerMap[key];
        if (Item.SendHandShake || !Item.port)
            continue;
        CountConnect++;
        if (window.BrowserIE && CountConnect > 4)
            break;
        DoNodeList(Item);
    }
};

function DoNodeList(Item) {
    console.log(GetProtocolServerPath(Item) + "/GetNodeList");
    if (window.location.protocol === "https:" && Item.port !== 443)
        return;
    if (Item.port === 443 && IsIPAddres(Item.ip))
        return;
    SetStatus("Try: " + Item.ip + ":" + Item.port);
    Item.SendHandShake = 1;
    GetData(GetProtocolServerPath(Item) + "/GetNodeList", {}, function(Data) {
        if (Data && Data.result && Data.NETWORK === NETWORK && Data.VersionNum >= MIN_VERSION) {
            ConnectedCount++;
            Item.GetHandShake = 1;
            Item.BlockChain = Data.BlockChain;
            SetStatus("Get: " + Item.ip + ":" + Item.port);
            var bWas = 0;
            for (var i = 0; i < Data.arr.length; i++) {
                var Node = Data.arr[i];
                if (!ServerMap[Node.ip] && Node.port) {
                    ServerMap[Node.ip] = Node;
                    console.log("New: " + Node.ip + ":" + Node.port);
                    bWas = 1;
                }
            }
            if (bWas && ConnectedCount < MaxConnectedCount && new Date() - StartTimeConnecting < MaxTimeConnecting) {
                setTimeout(LoopHandShake, 100);
            }
        }
    });
};

function LoopWalletInfo() {
    SetStatus("Get wallets info...");
    for (var key in ServerMap) {
        var Item = ServerMap[key];
        if (Item.port) {
            CountWallet++;
            if (window.BrowserIE && CountWallet > 4)
                break;
            DoWalletInfo(Item);
        }
    }
    setTimeout(FindLider, 500);
};

function DoWalletInfo(Item) {
    if (window.location.protocol === "https:" && Item.port !== 443)
        return;
    if (Item.port === 443 && IsIPAddres(Item.ip))
        return;
    Item.StartTime = Date.now();
    Item.SendWalletInfo = 1;
    GetData(GetProtocolServerPath(Item) + "/GetCurrentInfo", { BlockChain: 1 }, function(Data) {
        if (Data && Data.result && Data.BlockChain && Data.NETWORK === NETWORK) {
            Item.Name = Data.NODES_NAME;
            Item.GetWalletInfo = 1;
            Item.DeltaTime = new Date() - Item.StartTime;
            Item.BlockChain = Data.BlockChain;
            Item.MaxNumBlockDB = Data.MaxNumBlockDB;
            console.log("Get: " + Item.ip + ":" + Item.port + " delta=" + Item.DeltaTime);
        }
    });
};

function FindLider() {
    MainServer = undefined;
    var Arr = [];
    var MapSumPower = {};
    for (var key in ServerMap) {
        var Item = ServerMap[key];
        if (Item.GetWalletInfo && Item.BlockChain) {
            var arr = Item.BlockChain;
            if (arr.data)
                arr = arr.data;
            Item.SumPower = CalcPowFromBlockChain(arr);
            if (Item.SumPower < MIN_SUM_POWER) {
                console.log("Skip: " + Item.ip + ":" + Item.port + " SumPower(" + Item.SumPower + ") < MIN_SUM_POWER(" + MIN_SUM_POWER + ")");
                continue;
            }
            if (!MapSumPower[Item.SumPower])
                MapSumPower[Item.SumPower] = 0;
            MapSumPower[Item.SumPower]++;
            Arr.push(Item);
        }
    }
    var Max = 0, MaxKey;
    for (var key in MapSumPower) {
        if (MapSumPower[key] >= Max) {
            Max = MapSumPower[key];
            MaxKey = parseInt(key);
        }
    }
    Arr.sort(function(a, b) {
        return a.DeltaTime - b.DeltaTime;
    });
    for (var i = 0; i < Arr.length; i++) {
        var Item = Arr[i];
        if (Item.SumPower === MaxKey) {
            SetStatus("Find " + Item.ip + ":" + Item.port + " with pow=" + Item.SumPower + "/" + MaxKey + "  ping=" + Item.DeltaTime);
            MainServer = Item;
            SaveServerMap();
            break;
        }
    }
    OnFindServer();
};

function CalcPowFromBlockChain(BufRead) {
    var Sum = 0;
    var Arr = GetBlockArrFromBuffer(BufRead);
    if (Arr.length === COUNT_BLOCK_PROOF) {
        for (var i = 0; i < Arr.length; i++) {
            Sum += Arr[i].Power;
        }
    }
    return Sum;
};

function SetAllSum() {
    var Item = MapAccounts[$("idAccount").value];
    if (Item)
        $("idSumSend").value = FLOAT_FROM_COIN(Item.Value).toStringF();
};