/**
 * configuration.js - Copyright(C) 2021 Donald Zou [https://github.com/donaldzou]
 * Under Apache-2.0 License
 */

/**
 * This will load peers data from server
 * @param search
 */
function load_data(search){
    startProgressBar();
    let result = '';
    $.ajax({
        method: "GET",
        url: "/get_config/"+conf_name+"?search="+encodeURIComponent(search),
        headers:{
            "Content-Type": "application/json"
        },
        success: function (response){
            removeNoResponding();
            peers = response.peer_data;
            if (response.listen_port === "" && response.status === "stopped"){
                $("config_info_alert").append('<div class="alert alert-warning" role="alert">Peer QR Code and configuration file download required a specified <strong>Listen Port</strong>.</div>');
            }
            if (response.conf_address === "N/A"){
                $("config_info_alert").append('<div class="alert alert-warning" role="alert">Configuration <strong>Address</strong> need to be specified to have peers connect to it.</div>');
            }
            let $conf_status_btn = $("#conf_status_btn");
            if (response.checked === "checked"){
                $conf_status_btn.html('<a href="#" id="'+response.name+'" '+response.checked+' class="switch text-primary"><i class="bi bi-toggle2-on"></i> ON</a>');
            }else{
                $conf_status_btn.html('<a href="#" id="'+response.name+'" '+response.checked+' class="switch text-primary"><i class="bi bi-toggle2-off"></i> OFF</a>');
            }
            $("#sort_by_dropdown option").removeAttr("selected");
            $("#sort_by_dropdown option[value="+response.sort_tag+"]").attr("selected", "selected");
            $(".interval-btn-group button").removeClass("active");
            $("button[data-refresh-interval="+response.dashboard_refresh_interval+"]").addClass("active");
            $(".display-btn-group button").removeClass("active");
            $("button[data-display-mode="+response.peer_display_mode+"]").addClass("active");



            $("#conf_status").html(response.status+'<span class="dot dot-'+response.status+'"></span>');
            $("#conf_connected_peers").html(response.running_peer);
            $("#conf_total_data_usage").html(response.total_data_usage[0] +" GB");
            $("#conf_total_data_received").html(response.total_data_usage[2] +" GB");
            $("#conf_total_data_sent").html(response.total_data_usage[1]+" GB");
            $("#conf_public_key").html(response.public_key);
            $("#conf_listen_port").html(response.listen_port === "" ? "N/A":response.listen_port);
            $("#conf_address").html(response.conf_address);
            $(".info h6").removeClass("info_loading");
            $conf_status_btn.removeClass("info_loading");



            if (response.peer_data.length === 0){
                $(".peer_list").html('<div class="col-12" style="text-align: center; margin-top: 1.5rem"><h3 class="text-muted">Oops! No peers found ‘︿’</h3></div>');
            }else{
                let display_mode = response.peer_display_mode === "list" ? "col-12" : "col-sm-6 col-lg-4";
                response.peer_data.forEach(function(peer){
                    let total_r = 0;
                    let total_s = 0;
                    total_r += peer.cumu_receive;
                    total_s += peer.cumu_sent;
                    let spliter = '<div class="w-100"></div>';
                    let peer_name =
                        '<div class="col-sm display" style="display: flex; align-items: center; margin-bottom: 0.2rem">' +
                            '<h5 style="margin: 0;">'+ (peer.name === "" ? "Untitled" : peer.name) +'</h5>' +
                            '<h6 style="text-transform: uppercase; margin: 0; margin-left: auto !important;"><span class="dot dot-'+peer.status+'" style="margin-left: auto !important;" data-toggle="tooltip" data-placement="left" title="Peer Connected"></span></h6>' +
                        '</div>';
                    let peer_transfer = '<div class="col-12 peer_data_group" style="text-align: right; display: flex; margin-bottom: 0.5rem"><p class="text-primary" style="text-transform: uppercase; margin-bottom: 0; margin-right: 1rem"><small><i class="bi bi-arrow-down-right"></i> '+ roundN(peer.total_receive + total_r, 4) +' GB</small></p> <p class="text-success" style="text-transform: uppercase; margin-bottom: 0"><small><i class="bi bi-arrow-up-right"></i> '+ roundN(peer.total_sent + total_s, 4) +' GB</small></p> </div>';
                    let peer_key = '<div class="col-sm"><small class="text-muted" style="display: flex"><strong>PEER</strong><strong style="margin-left: auto!important; opacity: 0; transition: 0.2s ease-in-out" class="text-primary">CLICK TO COPY</strong></small> <h6><samp class="ml-auto key">'+peer.id+'</samp></h6></div>';
                    let peer_allowed_ip = '<div class="col-sm"><small class="text-muted"><strong>ALLOWED IP</strong></small><h6 style="text-transform: uppercase;">'+peer.allowed_ip+'</h6></div>';
                    let peer_latest_handshake = '<div class="col-sm"> <small class="text-muted"><strong>LATEST HANDSHAKE</strong></small> <h6 style="text-transform: uppercase;">'+peer.latest_handshake+'</h6> </div>';
                    let peer_endpoint = '<div class="col-sm"><small class="text-muted"><strong>END POINT</strong></small><h6 style="text-transform: uppercase;">'+peer.endpoint+'</h6></div>';
                    let peer_control = '<div class="col-sm"><hr><div class="button-group" style="display:flex"><button type="button" class="btn btn-outline-primary btn-setting-peer btn-control" id="'+peer.id+'" data-toggle="modal"><i class="bi bi-gear-fill" data-toggle="tooltip" data-placement="bottom" title="Peer Settings"></i></button> <button type="button" class="btn btn-outline-danger btn-delete-peer btn-control" id="'+peer.id+'" data-toggle="modal"><i class="bi bi-x-circle-fill" data-toggle="tooltip" data-placement="bottom" title="Delete Peer"></i></button>';
                    if (peer.private_key !== ""){
                        peer_control += '<div class="share_peer_btn_group" style="margin-left: auto !important; display: inline"><button type="button" class="btn btn-outline-success btn-qrcode-peer btn-control" img_src="/qrcode/'+response.name+'?id='+encodeURIComponent(peer.id)+'"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" style="width: 19px;" fill="#28a745"><path d="M3 11h8V3H3v8zm2-6h4v4H5V5zM3 21h8v-8H3v8zm2-6h4v4H5v-4zM13 3v8h8V3h-8zm6 6h-4V5h4v4zM13 13h2v2h-2zM15 15h2v2h-2zM13 17h2v2h-2zM17 17h2v2h-2zM19 19h2v2h-2zM15 19h2v2h-2zM17 13h2v2h-2zM19 15h2v2h-2z"/></svg></button><a href="/download/'+response.name+'?id='+encodeURIComponent(peer.id)+'" class="btn btn-outline-info btn-download-peer btn-control"><i class="bi bi-download"></i></a></div>';
                    }
                    peer_control += '</div>';
                    let html = '<div class="'+display_mode+'" data-id="'+peer.id+'">' +
                                    '<div class="card mb-3 card-'+peer.status+'">' +
                                        '<div class="card-body">' +
                                         '<div class="row">' +
                                            peer_name +
                                            spliter +
                                            peer_transfer +
                                            peer_key +
                                            peer_allowed_ip +
                                            peer_latest_handshake +
                                            spliter +
                                            peer_endpoint +
                                            spliter +
                                            peer_control +
                                        '</div>' +
                                    '</div>' +
                                    '</div>' +
                                '</div></div>';
                    result += html;
                });
                $(".peer_list").html(result);
                if (response.dashboard_refresh_interval !== load_interval){
                    load_interval = response.dashboard_refresh_interval;
                    clearInterval(load_timeout);
                    load_timeout = setInterval(function (){
                        load_data($('#search_peer_textbox').val());
                    }, response.dashboard_refresh_interval);
                }
            }
            $(".dot.dot-running").attr("title","Peer Connected").tooltip();
            $(".dot.dot-stopped").attr("title","Peer Disconnected").tooltip();
            $("i[data-toggle='tooltip']").tooltip();
            endProgressBar();
        }
    }).fail(function(){
        noResponding();
    });
}

function noResponding(){
    $(".no-response").addClass("active");
    setTimeout(function (){
        $(".no-response").addClass("show");
        $("#right_body").addClass("no-responding");
        $(".navbar").addClass("no-responding");
    },10);
}

function removeNoResponding(){
    $(".no-response").removeClass("show");
    $("#right_body").removeClass("no-responding");
    $(".navbar").removeClass("no-responding");
    setTimeout(function (){
        $(".no-response").removeClass("active");
    },1010);
}

$("[data-toggle='tooltip']").tooltip();
$("[data-toggle='popover']").popover();
let $body = $("body");
let $progress_bar = $(".progress-bar");
let available_ips = [];
let $save_peer = $("#save_peer");

$(".add_btn").on("click", function(){
    $addModal.toggle();
});

/**
 * Round Transfer number into 4 digits
 * @param value
 * @param digits
 * @returns {number}
 */
function roundN(value, digits) {
   let tenToN = 10 ** digits;
   return (Math.round(value * tenToN)) / tenToN;
}

/**
 * Start Progress Bar
 */
function startProgressBar(){
    $progress_bar.css("width","0%")
        .css("opacity", "100")
        .css("background", "rgb(255,69,69)")
        .css("background",
            "linear-gradient(145deg, rgba(255,69,69,1) 0%, rgba(0,115,186,1) 100%)")
        .css("width","25%");
    setTimeout(function(){
        stillLoadingProgressBar();
    },300);
}

/**
 * Still Loading Progress Bar
 */
function stillLoadingProgressBar(){
    $progress_bar.css("transition", "3s ease-in-out").css("width", "75%");
}

/**
 * End Progress Bae
 */
function endProgressBar(){
    $progress_bar.css("transition", "0.3s ease-in-out").css("width","100%");
    setTimeout(function(){
        $progress_bar.css("opacity", "0");
    },250);

}

/**
 * Show toast
 * @param msg
 */
function showToast(msg) {
    $('#alertToast').toast('show');
    $('#alertToast .toast-body').html(msg);
}

/**
 * When configuration switch got click
 */
$body.on("click", ".switch", function (){
    $(this).siblings($(".spinner-border")).css("display", "inline-block");
     $(this).remove();
   location.replace("/switch/"+$(this).attr('id'));
});

/**
 * Generate Private and Public key for a new peer
 */
function generate_key(){
    let keys = wireguard.generateKeypair();
    $("#private_key").val(keys.privateKey);
    $("#public_key").val(keys.publicKey);
    $("#add_peer_alert").addClass("d-none");
    $("#re_generate_key i").removeClass("rotating");
    $("#enable_preshare_key").val(keys.presharedKey);
}

/**
 * Generate Public key when private got change
 */
$("#private_key").on("change",function(){
    if ($(this).val().length === 44){
        $("#re_generate_key i").addClass("rotating");
        $("#public_key").val(wireguard.generatePublicKey($("#private_key").val()));
    }else{
        $("#public_key").removeAttr("disabled").val("");
    }
});

/**
 * Trigger IP badge and item
 * @param ip
 */
function trigger_ip(ip){
    let $ip_ele = $(".available-ip-item[data-ip='"+ip+"']");
    if ($ip_ele.html()){
        if ($ip_ele.hasClass("active")){
            $ip_ele.removeClass("active");
            $("#selected_ip_list .badge[data-ip='"+ip+"']").remove();
        }else{
            $ip_ele.addClass("active");
            $("#selected_ip_list").append('<span class="badge badge-primary available-ip-badge" style="cursor: pointer" data-ip="'+ip+'">'+ip+'</span>')
        }
    }
}

/**
 * Get all available IP for this configuration
 */
function get_available_ip(){
    $.ajax({
        "url": "/available_ips/"+$save_peer.attr("conf_id"),
        "method": "GET",
    }).done(function (res) {
        available_ips = res;
        let $list_group = $("#available_ip_modal .modal-body .list-group");
        $list_group.html("");
        $("#allowed_ips").val(available_ips[0]);
        available_ips.forEach((ip) =>
            $list_group.append('<a class="list-group-item list-group-item-action available-ip-item" style="cursor: pointer" data-ip="'+ip+'">'+ip+'</a>'));
    });
}

$("#available_ip_modal").on("show.bs.modal", () => {
    $('#add_modal').addClass("ip_modal_open");
}).on("hidden.bs.modal", function () {
    $('#add_modal').removeClass("ip_modal_open");
    let ips = [];
    let $selected_ip_list = $("#selected_ip_list");
    $selected_ip_list.children().each(function(){
        ips.push($(this).data("ip"));
    });
    ips.forEach((ele) => trigger_ip(ele));
})

/**
 * When IP Badge got click
 */
$body.on("click", ".available-ip-badge", function(){
    $(".available-ip-item[data-ip='"+$(this).data("ip")+"']").removeClass("active");
    $(this).remove();
})

/**
 * When available ip item got click
 */
$body.on("click", ".available-ip-item", function () {
    trigger_ip($(this).data("ip"));
});

let $ipModal = new bootstrap.Modal(document.getElementById('available_ip_modal'), {
    keyboard: false,
    backdrop: 'static'
});

$("#search_available_ip").on("click", function () {
    $ipModal.toggle();
    let $allowed_ips = $("#allowed_ips");
    if ($allowed_ips.val().length > 0){
        let s = $allowed_ips.val().split(",");
        for (let i = 0; i < s.length; i++){
            s[i] = s[i].trim();
            trigger_ip(s[i]);
        }
    }
}).tooltip();

$("#confirm_ip").on("click", () => {
    $ipModal.toggle();
    let ips = [];
    let $selected_ip_list = $("#selected_ip_list");
    $selected_ip_list.children().each(function(){
        ips.push($(this).data("ip"));
    });
    $("#allowed_ips").val(ips.join(", "));
    ips.forEach((ele) => trigger_ip(ele));
});

$("#allowed_ips").on("keyup", function(){
    let s = clean_ip($(this).val());
    s = s.split(",");
    if (available_ips.includes(s[s.length - 1])){
        $("#allowed_ips_indicator").removeClass().addClass("text-success")
            .html('<i class="bi bi-check-circle-fill"></i>');
    }else{
        $("#allowed_ips_indicator").removeClass().addClass("text-warning")
            .html('<i class="bi bi-exclamation-circle-fill"></i>');
    }
})


$('#add_modal').on('show.bs.modal', function (event) {
    generate_key();
    get_available_ip();
}).on('hide.bs.modal', function(){
    $("#allowed_ips_indicator").html('');
});

$("#re_generate_key").on("click",function (){
    $("#public_key").attr("disabled","disabled");
    $("#re_generate_key i").addClass("rotating");
    generate_key();
});

let $addModal = new bootstrap.Modal(document.getElementById('add_modal'), {
    keyboard: false,
    backdrop: 'static'
});

function clean_ip(val){
    let clean_ip = val.split(',');
    for (let i = 0; i < clean_ip.length; i++) clean_ip[i] = clean_ip[i].trim(' ');
    return clean_ip.filter(Boolean).join(",");
}


$("#new_add_amount").on("keyup", function(){
    let $bulk_amount_validation = $("#bulk_amount_validation");
    // $(this).removeClass("is-valid").addClass("is-invalid");
    if ($(this).val().length > 0){
        if (isNaN($(this).val())){
            $(this).removeClass("is-valid").addClass("is-invalid");
            $bulk_amount_validation.html("Please enter a valid integer");
        }else if ($(this).val() > available_ips.length){
            $(this).removeClass("is-valid").addClass("is-invalid");
            $bulk_amount_validation.html(`Cannot create more than ${available_ips.length} peers.`);
        }else if ($(this).val() < 1){
            $(this).removeClass("is-valid").addClass("is-invalid");
            $bulk_amount_validation.html("Please enter at least 1 or more.");
        }else{
            $(this).removeClass("is-invalid").addClass("is-valid");
        }
    }else{
        $(this).removeClass("is-invalid").removeClass("is-valid");
    }
});


function bulk_add_peers() {
    let $new_add_amount = $("#new_add_amount");
    $save_peer.attr("disabled","disabled");
    $save_peer.html("Adding "+$new_add_amount.val()+" peers...");
    let $new_add_DNS = $("#new_add_DNS");
    $new_add_DNS.val(clean_ip($new_add_DNS.val()));
    let $new_add_endpoint_allowed_ip = $("#new_add_endpoint_allowed_ip");
        $new_add_endpoint_allowed_ip.val(clean_ip($new_add_endpoint_allowed_ip.val()));
    let $new_add_MTU = $("#new_add_MTU");
    let $new_add_keep_alive = $("#new_add_keep_alive");
    let $enable_preshare_key = $("#enable_preshare_key");
    let data_list = [$new_add_DNS, $new_add_endpoint_allowed_ip,$new_add_MTU, $new_add_keep_alive];
    if ($new_add_amount.val() > 0 && !$new_add_amount.hasClass("is-invalid")){
        if ($new_add_DNS.val() !== "" && $new_add_endpoint_allowed_ip.val() !== ""){
            let conf = $save_peer.attr('conf_id');
            let keys = [];
            for (let i = 0; i < $new_add_amount.val(); i++) {
                keys.push(wireguard.generateKeypair());
            }
            $.ajax({
                method: "POST",
                url: "/add_peer_bulk/"+conf,
                headers:{
                    "Content-Type": "application/json"
                },
                data: JSON.stringify({
                    "DNS": $new_add_DNS.val(),
                    "endpoint_allowed_ip": $new_add_endpoint_allowed_ip.val(),
                    "MTU": $new_add_MTU.val(),
                    "keep_alive": $new_add_keep_alive.val(),
                    "enable_preshared_key": $enable_preshare_key.prop("checked"),
                    "keys": keys,
                    "amount": $new_add_amount.val()
                }),
                success: function (response){
                    if(response !== "true"){
                        $("#add_peer_alert").html(response).removeClass("d-none");
                        data_list.forEach((ele) => ele.removeAttr("disabled"));
                        $save_peer.removeAttr("disabled").html("Save");
                    }
                    else{
                        load_data("");
                        data_list.forEach((ele) => ele.removeAttr("disabled"));
                        $("#add_peer_form").trigger("reset");
                        $save_peer.removeAttr("disabled").html("Save");
                        showToast($new_add_amount.val()+" peers added successful!");
                        $addModal.toggle();
                    }
                }
            });
        }else{
            $("#add_peer_alert").html("Please fill in all required box.").removeClass("d-none");
            $save_peer.removeAttr("disabled");
            $save_peer.html("Add");
        }
    }else{
        $save_peer.removeAttr("disabled").html("Add");
    }
}


$save_peer.on("click",function(){
    let $bulk_add = $("#bulk_add");
    if ($bulk_add.prop("checked")){
        if (!$("#new_add_amount").hasClass("is-invalid")){
           bulk_add_peers()
        }
    }else {
        let $public_key = $("#public_key");
        let $private_key = $("#private_key");
        let $allowed_ips = $("#allowed_ips");
        $allowed_ips.val(clean_ip($allowed_ips.val()));
        let $new_add_DNS = $("#new_add_DNS");
        $new_add_DNS.val(clean_ip($new_add_DNS.val()));
        let $new_add_endpoint_allowed_ip = $("#new_add_endpoint_allowed_ip");
        $new_add_endpoint_allowed_ip.val(clean_ip($new_add_endpoint_allowed_ip.val()));
        let $new_add_name = $("#new_add_name");
        let $new_add_MTU = $("#new_add_MTU");
        let $new_add_keep_alive = $("#new_add_keep_alive");
        let $enable_preshare_key = $("#enable_preshare_key");
        $(this).attr("disabled","disabled");
        $(this).html("Adding...");
        if ($allowed_ips.val() !== "" && $public_key.val() !== "" && $new_add_DNS.val() !== "" && $new_add_endpoint_allowed_ip.val() !== ""){
            let conf = $(this).attr('conf_id');
            let data_list = [$private_key, $allowed_ips, $new_add_name, $new_add_DNS, $new_add_endpoint_allowed_ip,$new_add_MTU, $new_add_keep_alive];
            data_list.forEach((ele) => ele.attr("disabled", "disabled"));
            $.ajax({
                method: "POST",
                url: "/add_peer/"+conf,
                headers:{
                    "Content-Type": "application/json"
                },
                data: JSON.stringify({
                    "private_key":$private_key.val(),
                    "public_key":$public_key.val(),
                    "allowed_ips": $allowed_ips.val(),
                    "name":$new_add_name.val(),
                    "DNS": $new_add_DNS.val(),
                    "endpoint_allowed_ip": $new_add_endpoint_allowed_ip.val(),
                    "MTU": $new_add_MTU.val(),
                    "keep_alive": $new_add_keep_alive.val(),
                    "enable_preshared_key": $enable_preshare_key.prop("checked"),
                    "preshared_key": $enable_preshare_key.val()
                }),
                success: function (response){
                    if(response !== "true"){
                        $("#add_peer_alert").html(response).removeClass("d-none");
                        data_list.forEach((ele) => ele.removeAttr("disabled"));
                        $save_peer.removeAttr("disabled").html("Save");
                    }
                    else{
                        load_data("");
                        data_list.forEach((ele) => ele.removeAttr("disabled"));
                        $("#add_peer_form").trigger("reset");
                        $save_peer.removeAttr("disabled").html("Save");
                        showToast("Add peer successful!");
                        $addModal.toggle();
                    }
                }
            });
        }else{
            $("#add_peer_alert").html("Please fill in all required box.").removeClass("d-none");
            $(this).removeAttr("disabled");
            $(this).html("Add");
        }
    }
});

// QR Code
let qrcodeModal = new bootstrap.Modal(document.getElementById('qrcode_modal'), {
    keyboard: false
});
$body.on("click", ".btn-qrcode-peer", function (){
    let src = $(this).attr('img_src');
    $.ajax({
        "url": src,
        "method": "GET"
    }).done(function(res){
        $("#qrcode_img").attr('src', res);
        qrcodeModal.toggle();
    });
});

// Delete Peer Modal
let deleteModal = new bootstrap.Modal(document.getElementById('delete_modal'), {
    keyboard: false,
    backdrop: 'static'
});

$body.on("click", ".btn-delete-peer", function(){
    let peer_id = $(this).attr("id");
    $("#delete_peer").attr("peer_id", peer_id);
    deleteModal.toggle();
});

$("#delete_peer").on("click",function(){
    $(this).attr("disabled","disabled");
    $(this).html("Deleting...");
    let peer_id = $(this).attr("peer_id");
    let config = $(this).attr("conf_id");
    let peer_ids = [peer_id];
    deletePeers(config, peer_ids);
});

function deletePeers(config, peer_ids){
    $.ajax({
        method: "POST",
        url: "/remove_peer/"+config,
        headers:{
            "Content-Type": "application/json"
        },
        data: JSON.stringify({"action": "delete", "peer_ids": peer_ids}),
        success: function (response){
            if(response !== "true"){
                if (deleteModal._isShown) {
                    $("#remove_peer_alert").html(response+$("#add_peer_alert").html())
                                        .removeClass("d-none");
                }
                if (deleteBulkModal._isShown){
                    $("#bulk_remove_peer_alert").html(response+$("#bulk_remove_peer_alert").html())
                                                            .removeClass("d-none");
                }

            }
            else{
                if (deleteModal._isShown) {
                    deleteModal.toggle()
                }
                if (deleteBulkModal._isShown){
                    $("#confirm_delete_bulk_peers").removeAttr("disabled").html("Delete");
                    $("#selected_peer_list").html('');
                    $(".delete-bulk-peer-item.active").removeClass('active');
                    deleteBulkModal.toggle();
                }
                load_data($('#search_peer_textbox').val());
                $('#alertToast').toast('show');
                $('#alertToast .toast-body').html("Peer deleted!");
                $("#delete_peer").removeAttr("disabled").html("Delete");
            }
        }
    });
}

// Peer Setting Modal
let settingModal = new bootstrap.Modal(document.getElementById('setting_modal'), {
    keyboard: false,
    backdrop: 'static'
});
$body.on("click", ".btn-setting-peer", function(){
    startProgressBar();
    let peer_id = $(this).attr("id");
    $("#save_peer_setting").attr("peer_id", peer_id);
    $.ajax({
        method: "POST",
        url: "/get_peer_data/"+$("#setting_modal").attr("conf_id"),
        headers:{
            "Content-Type": "application/json"
        },
        data: JSON.stringify({"id": peer_id}),
        success: function(response){
            let peer_name = ((response.name === "") ? "Untitled Peer" : response.name);
            $("#setting_modal .peer_name").html(peer_name);
            $("#setting_modal #peer_name_textbox").val(response.name);
            $("#setting_modal #peer_private_key_textbox").val(response.private_key);
            $("#setting_modal #peer_DNS_textbox").val(response.DNS);
            $("#setting_modal #peer_allowed_ip_textbox").val(response.allowed_ip);
            $("#setting_modal #peer_endpoint_allowed_ips").val(response.endpoint_allowed_ip);
            $("#setting_modal #peer_mtu").val(response.mtu);
            $("#setting_modal #peer_keep_alive").val(response.keep_alive);
            $("#setting_modal #peer_preshared_key_textbox").val(response.preshared_key);
            settingModal.toggle();
            endProgressBar();
        }
    });
});

$('#setting_modal').on('hidden.bs.modal', function (event) {
  $("#setting_peer_alert").addClass("d-none");
});

$("#peer_private_key_textbox").on("change",function(){
    let $save_peer_setting = $("#save_peer_setting");
    if ($(this).val().length > 0){
        $.ajax({
            "url": "/check_key_match/"+$save_peer_setting.attr("conf_id"),
            "method": "POST",
            "headers":{"Content-Type": "application/json"},
            "data": JSON.stringify({
                "private_key": $("#peer_private_key_textbox").val(),
                "public_key": $save_peer_setting.attr("peer_id")
            })
        }).done(function(res){
            if(res.status === "failed"){
                $("#setting_peer_alert").html(res.status).removeClass("d-none");
            }else{
                $("#setting_peer_alert").addClass("d-none");
            }
        });
    }
});

$("#save_peer_setting").on("click",function (){
    $(this).attr("disabled","disabled");
    $(this).html("Saving...");
    let $peer_DNS_textbox = $("#peer_DNS_textbox");
    let $peer_allowed_ip_textbox = $("#peer_allowed_ip_textbox");
    let $peer_endpoint_allowed_ips = $("#peer_endpoint_allowed_ips");
    let $peer_name_textbox = $("#peer_name_textbox");
    let $peer_private_key_textbox = $("#peer_private_key_textbox");
    let $peer_preshared_key_textbox = $("#peer_preshared_key_textbox");
    let $peer_mtu = $("#peer_mtu");
    let $peer_keep_alive = $("#peer_keep_alive");

    if ($peer_DNS_textbox.val() !== "" &&
        $peer_allowed_ip_textbox.val() !== "" && $peer_endpoint_allowed_ips.val() !== ""){
        let peer_id = $(this).attr("peer_id");
        let conf_id = $(this).attr("conf_id");
        let data_list = [$peer_name_textbox, $peer_DNS_textbox, $peer_private_key_textbox, $peer_preshared_key_textbox, $peer_allowed_ip_textbox, $peer_endpoint_allowed_ips, $peer_mtu, $peer_keep_alive];
        data_list.forEach((ele) => ele.attr("disabled","disabled"));
        $.ajax({
            method: "POST",
            url: "/save_peer_setting/"+conf_id,
            headers:{
                "Content-Type": "application/json"
            },
            data: JSON.stringify({
                id: peer_id,
                name: $peer_name_textbox.val(),
                DNS: $peer_DNS_textbox.val(),
                private_key: $peer_private_key_textbox.val(),
                allowed_ip: $peer_allowed_ip_textbox.val(),
                endpoint_allowed_ip: $peer_endpoint_allowed_ips.val(),
                MTU: $peer_mtu.val(),
                keep_alive: $peer_keep_alive.val(),
                preshared_key: $peer_preshared_key_textbox.val()
            }),
            success: function (response){
                if (response.status === "failed"){
                    $("#setting_peer_alert").html(response.msg).removeClass("d-none");
                }else{
                    settingModal.toggle();
                    load_data($('#search_peer_textbox').val());
                    $('#alertToast').toast('show');
                    $('#alertToast .toast-body').html("Peer Saved!");
                }
                $("#save_peer_setting").removeAttr("disabled").html("Save");
                data_list.forEach((ele) => ele.removeAttr("disabled"));
            }
        });
        }else{
        $("#setting_peer_alert").html("Please fill in all required box.").removeClass("d-none");
        $("#save_peer_setting").removeAttr("disabled").html("Save");
    }
});

$(".peer_private_key_textbox_switch").on("click",function (){
    let $peer_private_key_textbox = $("#peer_private_key_textbox");
    let mode = (($peer_private_key_textbox.attr('type') === 'password') ? "text":"password");
    let icon = (($peer_private_key_textbox.attr('type') === 'password') ? "bi bi-eye-slash-fill":"bi bi-eye-fill");
    $peer_private_key_textbox.attr('type',mode);
    $(".peer_private_key_textbox_switch i").removeClass().addClass(icon);
});

// Search Peer
let typingTimer;
let doneTypingInterval = 200;
let $input = $('#search_peer_textbox');
$input.on('keyup', function () {
    clearTimeout(typingTimer);
    typingTimer = setTimeout(doneTyping, doneTypingInterval);
});

$input.on('keydown', function () {
    clearTimeout(typingTimer);
});

function doneTyping () {
    load_data($input.val());
}

// Sorting
$body.on("change", "#sort_by_dropdown", function (){
    $.ajax({
        method:"POST",
        data: JSON.stringify({'sort':$("#sort_by_dropdown option:selected").val()}),
        headers:{"Content-Type": "application/json"},
        url: "/update_dashboard_sort",
        success: function (res){
            load_data($('#search_peer_textbox').val());
        }
    });
});

// Click key to copy animation
$body.on("mouseenter", ".key", function(){
    let label = $(this).parent().siblings().children()[1];
    label.style.opacity = "100";
}).on("mouseout", ".key", function(){
    let label = $(this).parent().siblings().children()[1];
    label.style.opacity = "0";
    setTimeout(function (){
        label.innerHTML = "CLICK TO COPY";
    },200);
}).on("click", ".key", function(){
    var label = $(this).parent().siblings().children()[1];
    copyToClipboard($(this));
    label.innerHTML = "COPIED!";
});

/**
 * CopyToClipboard
 * @param element
 */
function copyToClipboard(element) {
    let $temp = $("<input>");
    $body.append($temp);
    $temp.val($(element).text()).trigger( "select" );
    document.execCommand("copy");
    $temp.remove();
}

// Update Interval
$body.on("click", ".update_interval", function(){
    $(".interval-btn-group button").removeClass("active");
    let _new = $(this);
    _new.addClass("active");
    let interval = $(this).data("refresh-interval");
    $.ajax({
        method:"POST",
        data: "interval="+$(this).data("refresh-interval"),
        url: "/update_dashboard_refresh_interval",
        success: function (res){
            if (res === "true"){
                load_interval = interval;
                clearInterval(load_timeout);
                load_timeout = setInterval(function (){
                    load_data($('#search_peer_textbox').val());
                }, interval);
                showToast("Refresh Interval set to "+Math.round(interval/1000)+" seconds");
            }else{
                $(".interval-btn-group button").removeClass("active");
                $('.interval-btn-group button[data-refresh-interval="'+load_interval+'"]').addClass("active");
                showToast("Refresh Interval set unsuccessful");
            }
        }
    });
});

// Refresh Button
$body.on("click", ".refresh", function (){
    load_data($('#search_peer_textbox').val());
});

// Switch display mode
$body.on("click", ".display_mode", function(){
    $(".display-btn-group button").removeClass("active");
    $(this).addClass("active");
    let display_mode = $(this).data("display-mode");
    $.ajax({
        method:"GET",
        url: "/switch_display_mode/"+$(this).data("display-mode"),
        success: function (res){
           if (res === "true"){
                if (display_mode === "list"){
                Array($(".peer_list").children()).forEach(function(child){
                    $(child).removeClass().addClass("col-12");
                });
                showToast("Displaying as List");
            }else{
               Array($(".peer_list").children()).forEach(function(child){
                    $(child).removeClass().addClass("col-sm-6 col-lg-4");
               });
               showToast("Displaying as Grids");
            }
           }
        }
    });
});

// Toggle bulk add mode
$("#bulk_add").on("change", function (){
    let hide = $(".non-bulk").find("input");
    let amount = $("#new_add_amount");
    if ($(this).prop("checked") === true){
        for(let i = 0; i < hide.length; i++){
            $(hide[i]).attr("disabled", "disabled");
        }
        amount.removeAttr("disabled");
    }
    else{
        for(let i = 0; i < hide.length; i++){
            if ($(hide[i]).attr('id') !== "public_key"){
                $(hide[i]).removeAttr("disabled");
            }
        }
        amount.attr("disabled", "disabled");
    }
});

// Configuration sub menu
let $setting_btn_menu = $(".setting_btn_menu");
$setting_btn_menu.css("top", ($setting_btn_menu.height() + 54)*(-1));
let $setting_btn = $(".setting_btn");
$setting_btn.on("click", function(){
    if ($setting_btn_menu.hasClass("show")){
        $setting_btn_menu.removeClass("showing");
        setTimeout(function(){
            $setting_btn_menu.removeClass("show");
        }, 201);

    }else{
         $setting_btn_menu.addClass("show");
         setTimeout(function(){
             $setting_btn_menu.addClass("showing");
         },10);
    }
})
$("html").on("click", function(r){
    if (document.querySelector(".setting_btn") !== r.target){
        if (!document.querySelector(".setting_btn").contains(r.target)){
            if (!document.querySelector(".setting_btn_menu").contains(r.target)){
                $setting_btn_menu.removeClass("showing");
                setTimeout(function(){
                    $setting_btn_menu.removeClass("show");
                }, 310);
            }
        }
    }
});

// Delete peers by bulk
let deleteBulkModal = new bootstrap.Modal(document.getElementById('delete_bulk_modal'), {
    keyboard: false,
    backdrop: 'static'
});
$("#delete_peers_by_bulk_btn").on("click", () => {
    let $delete_bulk_modal_list = $("#delete_bulk_modal .list-group");
    $delete_bulk_modal_list.html('');
    peers.forEach((peer) => {
        let name = ""
        if (peer["name"] === "") { name = "Untitled Peer"; }
        else { name = peer["name"]; }
        $delete_bulk_modal_list.append('<a class="list-group-item list-group-item-action delete-bulk-peer-item" style="cursor: pointer" data-id="'
            +peer['id']+'" data-name="'+name+'">'+name+'<br><code>'+peer['id']+'</code></a>');
    });
    deleteBulkModal.toggle();
});

function toggleBulkIP(element){
    let $selected_peer_list = $("#selected_peer_list");
    let id = element.data("id");
    let name = element.data("name") === "" ? "Untitled Peer" : element.data("name");
     if (element.hasClass("active")){
        element.removeClass("active");
        $("#selected_peer_list .badge[data-id='"+id+"']").remove();
    }else{
        element.addClass("active");
        $selected_peer_list.append('<span class="badge badge-danger delete-peer-bulk-badge" style="cursor: pointer; text-overflow: ellipsis; max-width: 100%; overflow-x: hidden" data-id="'+id+'">'+name+' - '+id+'</span>')
    }
}

$body.on("click", ".delete-bulk-peer-item", function(){
    toggleBulkIP($(this));
}).on("click", ".delete-peer-bulk-badge", function(){
    toggleBulkIP($(".delete-bulk-peer-item[data-id='" + $(this).data("id") + "']"));
});

let $selected_peer_list = document.getElementById("selected_peer_list");
let changeObserver = new MutationObserver(function(mutationsList, observer){
    if ($selected_peer_list.hasChildNodes()){
        $("#confirm_delete_bulk_peers").removeAttr("disabled");
    }else{
        $("#confirm_delete_bulk_peers").attr("disabled", "disabled");
    }
});
changeObserver.observe($selected_peer_list, {
    attributes: true,
    childList: true,
    characterData: true
})


let confirm_delete_bulk_peers_interval = undefined;
$("#confirm_delete_bulk_peers").on("click", function(){
    let btn = $(this);
    if (confirm_delete_bulk_peers_interval !== undefined){
        clearInterval(confirm_delete_bulk_peers_interval);
        confirm_delete_bulk_peers_interval = undefined;
        btn.html("Delete");
    }else{
        let timer = 5;
        btn.html(`Deleting in ${timer} secs... Click to cancel`);
        confirm_delete_bulk_peers_interval = setInterval(function(){
            timer -= 1;
            btn.html(`Deleting in ${timer} secs... Click to cancel`);
            if (timer === 0){
                btn.html(`Deleting...`);
                btn.attr("disabled", "disabled");
                let ips = [];
                $selected_peer_list.childNodes.forEach((ele) => ips.push(ele.dataset.id));
                deletePeers(btn.data("conf"), ips);
                clearInterval(confirm_delete_bulk_peers_interval);
                confirm_delete_bulk_peers_interval = undefined;
            }
        }, 1000)
    }
});

$("#select_all_delete_bulk_peers").on("click", function(){
   $(".delete-bulk-peer-item").each(function(){
       if (!$(this).hasClass("active")) {
           toggleBulkIP($(this));
       }
   });
});

$(deleteBulkModal._element).on("hidden.bs.modal", function(){
    $(".delete-bulk-peer-item").each(function(){
       if ($(this).hasClass("active")) {
           toggleBulkIP($(this));
       }
   });
});

// Download Peers
function download_one_config(conf){
    let link = document.createElement('a');
    link.download = conf.filename;
    let blob = new Blob([conf.content], {type: 'text/conf'});
    link.href = window.URL.createObjectURL(blob);
    link.click();
}

function download_all_config(confs){
    wireguard.generateZipFiles(confs);
}

$body.on("click", ".btn-download-peer", function(e){
    e.preventDefault();
    let link = $(this).attr("href");
    $.ajax({
        "url": link,
        "method": "GET",
        success: function(res){
            download_one_config(res);
        }
    });
});

$("#download_all_peers").on("click", function(){
    $.ajax({
        "url": $(this).data("url"),
        "method": "GET",
        success: function(res){
            if (res.peers.length > 0){
                download_all_config(res);
            }
        }
    });
});