'use strict';

$(document).ready(function () {
    // translate to user-selected language
    localize();

    // alternative - window.navigator.appVersion.match(/Chrome\/([0-9.]*)/)[1];
    GUI.log('Running - OS: <strong>' + GUI.operating_system + '</strong>, ' +
        'Chrome: <strong>' + window.navigator.appVersion.replace(/.*Chrome\/([0-9.]*).*/, "$1") + '</strong>, ' +
        'Configurator: <strong>' + chrome.runtime.getManifest().version + '</strong>');

    $('#status-bar .version').text(chrome.runtime.getManifest().version);
    $('#logo .version').text(chrome.runtime.getManifest().version);

    // notification messages for various operating systems
    switch (GUI.operating_system) {
        case 'Windows':
            break;
        case 'MacOS':
            // var main_chromium_version = window.navigator.appVersion.replace(/.*Chrome\/([0-9.]*).*/,"$1").split('.')[0];
            break;
        case 'ChromeOS':
            break;
        case 'Linux':
            break;
        case 'UNIX':
            break;
    }

    // check for newer releases online to inform people in case they are running an old release

    chrome.storage.local.get(['lastVersionChecked', 'lastVersionAvailableOnline'], function (result) {
        if (typeof result.lastVersionChecked === undefined || ($.now() - result.lastVersionChecked) > 3600 * 1000) {
            try {
                var url = 'https://api.github.com/repos/betaflight/betaflight-configurator/tags';
                $.get(url).done(function (data) {
                    var versions = data.sort(function (v1, v2) {
                        try {
                            return semver.compare(v2.name, v1.name);
                        } catch (e) {
                            return false;
                        }
                    });
                    chrome.storage.local.set({
                        'lastVersionChecked': $.now(),
                        'lastVersionAvailableOnline': versions[0].name
                    }, function (result) {
                        console.log("Latest version available online: " + versions[0].name);
                    });
                    notifyOutdatedVersion(versions[0].name);
                });
            } catch (e) {
                // Just to catch and supress warnings if no internet connection is available
            }
        } else if (result.lastVersionAvailableOnline) {
            notifyOutdatedVersion(result.lastVersionAvailableOnline);
        }
    });

    chrome.storage.local.get('logopen', function (result) {
        if (result.logopen) {
            $("#showlog").trigger('click');
        }
    });

    // log webgl capability
    // it would seem the webgl "enabling" through advanced settings will be ignored in the future
    // and webgl will be supported if gpu supports it by default (canary 40.0.2175.0), keep an eye on this one
    var canvas = document.createElement('canvas');

    // log library versions in console to make version tracking easier
    console.log('Libraries: jQuery - ' + $.fn.jquery + ', d3 - ' + d3.version + ', three.js - ' + THREE.REVISION);

    // Tabs
    var ui_tabs = $('#tabs > ul');
    $('a', ui_tabs).click(function () {
        if ($(this).parent().hasClass('active') == false && !GUI.tab_switch_in_progress) { // only initialize when the tab isn't already active
            var self = this,
                tabClass = $(self).parent().prop('class');

            var tabRequiresConnection = $(self).parent().hasClass('mode-connected');

            var tab = tabClass.substring(4);
            var tabName = $(self).text();

            if (tabRequiresConnection && !CONFIGURATOR.connectionValid) {
                GUI.log(chrome.i18n.getMessage('tabSwitchConnectionRequired'));
                return;
            }

            if (GUI.connect_lock) { // tab switching disabled while operation is in progress
                GUI.log(chrome.i18n.getMessage('tabSwitchWaitForOperation'));
                return;
            }

            if (GUI.allowedTabs.indexOf(tab) < 0) {
                GUI.log(chrome.i18n.getMessage('tabSwitchUpgradeRequired', [tabName]));
                return;
            }

            GUI.tab_switch_in_progress = true;

            GUI.tab_switch_cleanup(function () {
                // disable previously active tab highlight
                $('li', ui_tabs).removeClass('active');

                // Highlight selected tab
                $(self).parent().addClass('active');

                // detach listeners and remove element data
                var content = $('#content');
                content.empty();

                // display loading screen
                $('#cache .data-loading').clone().appendTo(content);

                function content_ready() {
                    GUI.tab_switch_in_progress = false;
                }

                switch (tab) {
                    case 'landing':
                        TABS.landing.initialize(content_ready);
                        break;
                    case 'firmware_flasher':
                        TABS.firmware_flasher.initialize(content_ready);
                        break;
                    case 'help':
                        TABS.help.initialize(content_ready);
                        break;
                    case 'auxiliary':
                        TABS.auxiliary.initialize(content_ready);
                        break;
                    case 'adjustments':
                        TABS.adjustments.initialize(content_ready);
                        break;
                    case 'ports':
                        TABS.ports.initialize(content_ready);
                        break;
                    case 'led_strip':
                        TABS.led_strip.initialize(content_ready);
                        break;
                    case 'failsafe':
                        TABS.failsafe.initialize(content_ready);
                        break;
                    case 'transponder':
                        TABS.transponder.initialize(content_ready);
                        break;
                    case 'osd':
                        TABS.osd.initialize(content_ready);
                        break;
                    case 'power':
                        TABS.power.initialize(content_ready);
                        break;
                    case 'setup':
                        TABS.setup.initialize(content_ready);
                        break;
                    case 'setup_osd':
                        TABS.setup_osd.initialize(content_ready);
                        break;
                        
                    case 'configuration':
                        TABS.configuration.initialize(content_ready);
                        break;
                    case 'pid_tuning':
                        TABS.pid_tuning.initialize(content_ready);
                        break;
                    case 'receiver':
                        TABS.receiver.initialize(content_ready);
                        break;
                    case 'servos':
                        TABS.servos.initialize(content_ready);
                        break;
                    case 'gps':
                        TABS.gps.initialize(content_ready);
                        break;
                    case 'motors':
                        TABS.motors.initialize(content_ready);
                        break;
                    case 'sensors':
                        TABS.sensors.initialize(content_ready);
                        break;
                    case 'logging':
                        TABS.logging.initialize(content_ready);
                        break;
                    case 'onboard_logging':
                        TABS.onboard_logging.initialize(content_ready);
                        break;
                    case 'cli':
                        TABS.cli.initialize(content_ready);
                        break;

                    default:
                        console.log('Tab not found:' + tab);
                }
            });
        }
    });

    $('#tabs ul.mode-disconnected li a:first').click();

    // options
    $('a#options').click(function () {
        var el = $(this);

        if (!el.hasClass('active')) {
            el.addClass('active');
            el.after('<div id="options-window"></div>');

            $('div#options-window').load('./tabs/options.html', function () {
                // translate to user-selected language
                localize();

                // if notifications are enabled, or wasn't set, check the notifications checkbox
                chrome.storage.local.get('update_notify', function (result) {
                    if (typeof result.update_notify === 'undefined' || result.update_notify) {
                        $('div.notifications input').prop('checked', true);
                    }

                    $('div.notifications input').change(function () {
                        var check = $(this).is(':checked');

                        chrome.storage.local.set({'update_notify': check});
                    });
                });

                chrome.storage.local.get('permanentExpertMode', function (result) {
                    if (result.permanentExpertMode) {
                        $('div.permanentExpertMode input').prop('checked', true);
                    }

                    $('div.permanentExpertMode input').change(function () {
                        var checked = $(this).is(':checked');

                        chrome.storage.local.set({'permanentExpertMode': checked});

                        $('input[name="expertModeCheckbox"]').prop('checked', checked).change();
                        if (FEATURE_CONFIG) {
                            updateTabList(FEATURE_CONFIG.features);
                        }

                    }).change();
                });

                function close_and_cleanup(e) {
                    if (e.type == 'click' && !$.contains($('div#options-window')[0], e.target) || e.type == 'keyup' && e.keyCode == 27) {
                        $(document).unbind('click keyup', close_and_cleanup);

                        $('div#options-window').slideUp(250, function () {
                            el.removeClass('active');
                            $(this).empty().remove();
                        });
                    }
                }

                $(document).bind('click keyup', close_and_cleanup);

                $(this).slideDown(250);
            });
        }
    });

    // listen to all input change events and adjust the value within limits if necessary
    $("#content").on('focus', 'input[type="number"]', function () {
        var element = $(this),
            val = element.val();

        if (!isNaN(val)) {
            element.data('previousValue', parseFloat(val));
        }
    });

    $("#content").on('keydown', 'input[type="number"]', function (e) {
        // whitelist all that we need for numeric control
        var whitelist = [
            96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, // numpad and standard number keypad
            109, 189, // minus on numpad and in standard keyboard
            8, 46, 9, // backspace, delete, tab
            190, 110, // decimal point
            37, 38, 39, 40, 13 // arrows and enter
        ];

        if (whitelist.indexOf(e.keyCode) == -1) {
            e.preventDefault();
        }
    });

    $("#content").on('change', 'input[type="number"]', function () {
        var element = $(this),
            min = parseFloat(element.prop('min')),
            max = parseFloat(element.prop('max')),
            step = parseFloat(element.prop('step')),
            val = parseFloat(element.val()),
            decimal_places;

        // only adjust minimal end if bound is set
        if (element.prop('min')) {
            if (val < min) {
                element.val(min);
                val = min;
            }
        }

        // only adjust maximal end if bound is set
        if (element.prop('max')) {
            if (val > max) {
                element.val(max);
                val = max;
            }
        }

        // if entered value is illegal use previous value instead
        if (isNaN(val)) {
            element.val(element.data('previousValue'));
            val = element.data('previousValue');
        }

        // if step is not set or step is int and value is float use previous value instead
        if (isNaN(step) || step % 1 === 0) {
            if (val % 1 !== 0) {
                element.val(element.data('previousValue'));
                val = element.data('previousValue');
            }
        }

        // if step is set and is float and value is int, convert to float, keep decimal places in float according to step *experimental*
        if (!isNaN(step) && step % 1 !== 0) {
            decimal_places = String(step).split('.')[1].length;

            if (val % 1 === 0) {
                element.val(val.toFixed(decimal_places));
            } else if (String(val).split('.')[1].length != decimal_places) {
                element.val(val.toFixed(decimal_places));
            }
        }
    });

    $("#showlog").on('click', function () {
        var state = $(this).data('state');
        if (state) {
            $("#log").animate({height: 27}, 200, function () {
                var command_log = $('div#log');
                command_log.scrollTop($('div.wrapper', command_log).height());
            });
            $("#log").removeClass('active');
            $("#content").removeClass('logopen');
            $(".tab_container").removeClass('logopen');
            $("#scrollicon").removeClass('active');
            chrome.storage.local.set({'logopen': false});

            state = false;
        } else {
            $("#log").animate({height: 111}, 200);
            $("#log").addClass('active');
            $("#content").addClass('logopen');
            $(".tab_container").addClass('logopen');
            $("#scrollicon").addClass('active');
            chrome.storage.local.set({'logopen': true});

            state = true;
        }
        $(this).text(state ? 'Hide Log' : 'Show Log');
        $(this).data('state', state);
    });

    chrome.storage.local.get('permanentExpertMode', function (result) {
        if (result.permanentExpertMode) {
            $('input[name="expertModeCheckbox"]').prop('checked', true);
        }

        $('input[name="expertModeCheckbox"]').change(function () {
            if (FEATURE_CONFIG) {
                updateTabList(FEATURE_CONFIG.features);
            }
        }).change();
    });
});

function notifyOutdatedVersion(version) {
    if (semver.lt(chrome.runtime.getManifest().version, version)) {
        GUI.log('You are using an old version of ' + chrome.runtime.getManifest().name + '. Version ' + version + ' is available online with possible improvements and fixes.');
    }
}

function update_packet_error(caller) {
    $('span.packet-error').html(caller.packet_error);
}

function microtime() {
    var now = new Date().getTime() / 1000;

    return now;
}

function millitime() {
    var now = new Date().getTime();

    return now;
}

var DEGREE_TO_RADIAN_RATIO = Math.PI / 180;

function degToRad(degrees) {
    return degrees * DEGREE_TO_RADIAN_RATIO;
}

function bytesToSize(bytes) {
    if (bytes < 1024) {
        bytes = bytes + ' Bytes';
    } else if (bytes < 1048576) {
        bytes = (bytes / 1024).toFixed(3) + ' KB';
    } else if (bytes < 1073741824) {
        bytes = (bytes / 1048576).toFixed(3) + ' MB';
    } else {
        bytes = (bytes / 1073741824).toFixed(3) + ' GB';
    }

    return bytes;
}

function isExpertModeEnabled() {
    return $('input[name="expertModeCheckbox"]').is(':checked');
}

function updateTabList(features) {
    if (features.isEnabled('GPS') && isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_gps').show();
    } else {
        $('#tabs ul.mode-connected li.tab_gps').hide();
    }

    if (isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_failsafe').show();
    } else {
        $('#tabs ul.mode-connected li.tab_failsafe').hide();
    }

    if (isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_adjustments').show();
    } else {
        $('#tabs ul.mode-connected li.tab_adjustments').hide();
    }

    if (isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_servos').show();
    } else {
        $('#tabs ul.mode-connected li.tab_servos').hide();
    }

    if (features.isEnabled('LED_STRIP')) {
        $('#tabs ul.mode-connected li.tab_led_strip').show();
    } else {
        $('#tabs ul.mode-connected li.tab_led_strip').hide();
    }

    if (isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_sensors').show();
    } else {
        $('#tabs ul.mode-connected li.tab_sensors').hide();
    }

    if (isExpertModeEnabled()) {
        $('#tabs ul.mode-connected li.tab_logging').show();
    } else {
        $('#tabs ul.mode-connected li.tab_logging').hide();
    }

    if (features.isEnabled('TRANSPONDER')) {
        $('#tabs ul.mode-connected li.tab_transponder').show();
    } else {
        $('#tabs ul.mode-connected li.tab_transponder').hide();
    }
    if (features.isEnabled('OSD')) {
        $('#tabs ul.mode-connected li.tab_osd').show();
    } else {
        $('#tabs ul.mode-connected li.tab_osd').hide();
    }
}

function zeroPad(value, width) {
    value = "" + value;

    while (value.length < width) {
        value = "0" + value;
    }

    return value;
}

function generateFilename(prefix, suffix) {
    var date = new Date();
    var filename = prefix;

    if (CONFIG) {
        if (CONFIG.flightControllerIdentifier) {
        	filename = CONFIG.flightControllerIdentifier + '_' + filename; 	
        }
        if(CONFIG.name && CONFIG.name.trim() !== '') {
        	filename = filename + '_' + CONFIG.name.trim().replace(' ', '_');
        }
    }

    filename = filename + '_' + date.getFullYear()
        + zeroPad(date.getMonth() + 1, 2)
        + zeroPad(date.getDate(), 2)
        + '_' + zeroPad(date.getHours(), 2)
        + zeroPad(date.getMinutes(), 2)
        + zeroPad(date.getSeconds(), 2);

    return filename + '.' + suffix;
}