let socket;


function indexload(){
    console.log("Index loaded");
    socket = io.connect(':9092/socketio');

    let intervalhandle;
    socket.on('connect', function() {
        console.log("Connected, id: " + socket.id);
        intervalhandle = setInterval(function(){
            socket.emit('command', requestdata('getCpuInfo',''), (response)=>{
                let data = isSuccess(response);
                if (data) {
                    let cpuUsage = JSON.parse(data.cpuUsage);
                    $('#cpuStatus').text('Temp: ' + data.cpuTemperature + ' °C, Usage: ' + cpuUsage.cpu + '%');
                }
            });
            socket.emit('command', requestdata('getRamInfo','') , (response)=>{
                let data = isSuccess(response);
                if (data) {
                    $('#ramStatus').text('Total: ' + data.totalKB + ' , Free: ' + data.availableKB + ' , Usage: ' + data.usedKB);
                }
            });
            socket.emit('command', requestdata('getSipStatus',''), (response)=>{
                let data = isSuccess(response);
                if (data) {
                    $('#sipStatus').text(data);
                }
            });
            socket.emit('command', requestdata('getNetworkInfo',''), (response)=>{
                let data = isSuccess(response);
                if (data) {
                    let txmap = JSON.parse(data.txmap);
                    let rxmap = JSON.parse(data.rxmap);
                    $('#networkStatus').text('TX: '+txmap.eth0+', RX: '+rxmap.eth0);
                }
            });
            socket.emit('command', requestdata('getDiskInfo',''), (response)=>{
                let data = isSuccess(response);
                if (data) {
                    $('#storageStatus').text('Total: ' + data.total + ' , Free: ' + data.free);
                }
            });
        }, 5000);
    });
    socket.on('disconnect', function() {
        console.log("Disconnected");
        clearInterval(intervalhandle);
    });


}

/**
 * Create Socketio RequestData
 * @param {string} request
 * @param {string }data
 * @returns JsonObject
 */
function requestdata(request, data){
    return {request: request, data: data};
}

/**
 * Check if response is success
 * @param {Object} value response data to check
 * @return {null} if failed, Object if success
 */
function isSuccess(value){
    if (value){
        if (value.hasOwnProperty('response') && value.hasOwnProperty('data')){
            if (value.response && value.response.length>0){
                if (value.response==='success'){
                    let len = value.data.length;
                    if (len>0){
                        if (value.data[0]==='{'){
                            if (value.data[len-1]==='}'){
                                return JSON.parse(value.data);
                            }
                        }
                    }
                    return value.data;
                }
            }
        }

    }
    return null;
}

function dialClick(){
    console.log("Dial clicked");
    let number = $('#dialNumber').val();
    if (socket && socket.connected) socket.emit('command', requestdata('dial',number), (response)=>{
        console.log("Dial response: "+response);
    });
}

function hangupClick(){
    console.log("Hangup clicked");
    if (socket && socket.connected) socket.emit('command', requestdata('hangup',''), (response)=>{
        console.log("Hangup response: "+response);
    });
}

function settingload(){
    console.log("Setting loaded");
    if (socket && socket.connected) {
        socket.disconnect();
    }
    fetch('/setting', {method: 'GET'}).then((response)=>{
        response.json().then((data)=>{
            //console.log(JSON.stringify(data));
            $('#webUsername').val(data.loginSetting.Username);
            $('#webPassword').val(data.loginSetting.Password);
            $('#sipServer').val(data.sipSetting.Server);
            $('#sipPort').val(data.sipSetting.Port);
            $('#sipUsername').val(data.sipSetting.Username);
            $('#sipPassword').val(data.sipSetting.Password);
        });
    });
}

function sendLoginData(){
    console.log("Send login data");
    let loginData = {
        Username: $('#webUsername').val(),
        Password: $('#webPassword').val()
    };
    fetch('/logindata', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(loginData)
    }).then((response)=>{
        response.text().then((msg)=>{
            alert(msg);
        });
    });
}

function sendSipData(){
    console.log("Send SIP data");
    let sipData = {
        Server: $('#sipServer').val(),
        Port: $('#sipPort').val(),
        Username: $('#sipUsername').val(),
        Password: $('#sipPassword').val()
    };
    fetch('/sipdata', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify(sipData)
    }).then((response)=>{
        response.text().then((msg)=>{
            alert(msg);
        });
    });
}

function loginload(){
    console.log("Login loaded");
    if (socket && socket.connected) {
        socket.disconnect();
    }
}

function logload(){
    console.log("Log loaded");
    if (socket && socket.connected) {
        socket.disconnect();
    }
    getLogFiles();
    $('#logfiles').change(function(){
        let logname = $('#logfiles').val();
        if (logname && logname.length>0){
            getLogData(logname);
        }
    });
}

function getLogFiles(){
    fetch('/logfiles', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        }
        }).then((response)=>{
        response.json().then((data)=>{
            let logList = $('#logfiles');
            logList.empty();
            logList.append('<option value="">Select Logfile</option>');
            data.forEach((log)=>{
                logList.append('<option value="'+log+'">'+log+'</option>');
            });
        });
    });
}

function getLogData(logname){
    fetch('/logdata', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: logname
    }).then((response)=>{
        response.json().then((data)=>{
            let tablebody = $('#tablebody');
            tablebody.empty();
            data.forEach((log)=>{
                let str = '<tr>';
                str += '<td>'+log.Date+'</td>';
                str += '<td>'+log.Time+'</td>';
                str += '<td>'+log.Method+'</td>';
                str += '<td>'+log.Message+'</td>';
                str += '</tr>';
                tablebody.append(str);
            });
        });
    });
}