const request = require('request');

function fromAscii(str) {
    var hex = "";
    for(var i = 0; i < str.length; i++) {
        var code = str.charCodeAt(i);
        var n = code.toString(16);
        hex += n.length < 2 ? '0' + n : n;
    }
    return "0x" + hex;
};

var StatusDev = function(options) {
    this.url = "http://" + options.ip + ":5561";
};

StatusDev.prototype.addContact = function(contactData, cb) {
    request({
        url: this.url + "/add-dapp",
        method: "POST",
        json: true,
        body: { encoded: fromAscii(contactData) }
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

StatusDev.prototype.removeContact = function(contactData, cb) {
    request({
        url: this.url + "/remove-dapp",
        method: "POST",
        json: true,
        body: { encoded: fromAscii(contactData) }
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

StatusDev.prototype.refreshContact = function(contactData, cb) {
    request({
        url: this.url + "/dapp-changed",
        method: "POST",
        json: true,
        body: { encoded: fromAscii(contactData) }
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

StatusDev.prototype.switchNode = function(rpcUrl, cb) {
    request({
        url: this.url + "/switch-node",
        method: "POST",
        json: true,
        body: {encoded: fromAscii({"url": rpcUrl})}
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

StatusDev.prototype.listDApps = function(cb) {
    request({
        url: this.url + "/list",
        json: true,
        method: "POST",
        body: {}
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

StatusDev.prototype.getLog = function(identity, cb) {
    request({
        url: this.url + "/log",
        method: "POST",
        json: true,
        body: { identity: identity }
    }, function (error, response, body) {
        if (cb === undefined) { return }
        cb(error, body);
    });
};

module.exports = StatusDev;