/**
 * This method manages the redirection based on given page name
 * @param pageName
 * @param group
 */
function redirectTo(pageName, group = '') {

    if (!group) {
        if (pageMap[pageName]) {
            window.location = pageMap[pageName];
        }
    }
    else {
        if (groupPageMap[group][pageName]) {
            window.location = groupPageMap[group][pageName];
        } else {
            window.location = groupPageMap[group]['default'];
        }
    }
}

/**
 * FIXME: document this method !
 * @returns {boolean}
 * @constructor
 */
function LoggedIn(callback) {

    var response = CheckSession();
    response.then(function(authSession) {

        // Initialize interface
        initIdentity(authSession);
        callback();
    }).catch(function(error) {
        redirectTo('unexpected', 'error');
    });

    return true;
}


/**
 * FIXME: document this method !
 * FIXME: call the new api service 'checkSession' in order to validate authentication token from HTTP cookie
 * @returns {boolean}
 * @constructor
 */
function CheckSession() {

    var apiRequest = initAPIRequest('post', 'session', 'CheckSession');
    return makeSyncAPICall(apiRequest);
}

/**
 * FIXME: Document this method !!!
 * @param containerId
 */
function freeze(containerId) {
    var container = $('#' + containerId);
    container.find(':button').prop('disabled', true);
    container.find('a').addClass('forbiddenLink').click(function () {return false;});
}

/**
 * FIXME: Document this method !!!
 * @param formId
 */
function freezeForm(formId) {
    var container = $('#' + formId);
    container.find(':input').prop('disabled', true);
    container.find('select').prop('disabled', true);
    container.find('textarea').prop('disabled', true);
    container.find(':button').prop('disabled', true);
    container.find('a').addClass('forbiddenLink').click(function () {return false;});
}

/**
 * Initialize interface identity information, based on logged user
 */
function initIdentity(authSession) {

    var _currentAuthUser = window.localStorage.getItem('_currentAuthUser');

    if (!_currentAuthUser) {

        _currentAuthUser = {
            id: authSession.id,
            email: authSession.email,
            role: authSession.groups['0']['user_role'],
            name: authSession.first_name + ' ' + authSession.last_name,
            club: authSession.club,
            club_group: authSession.club_group
        };
        window.localStorage.setItem('_currentAuthUser', JSON.stringify(_currentAuthUser));

    } else {
        _currentAuthUser = JSON.parse(_currentAuthUser);
    }

    if (!userAccessChecker(_currentAuthUser.role)) {
        LogOut();
    }
    else {

        var clubName = (_currentAuthUser.club) ? _currentAuthUser.club : 'Unknown';
        var userName = (_currentAuthUser.name) ? _currentAuthUser.name : 'Unknown';
        var role = (_currentAuthUser.role) ? _currentAuthUser.role : 'Unknown';

        $(".clubHeaderTitle").text('').text(clubName);
        $(".authUserName").text('').text(userName + ' (' + userRoleHuman[role] + ')');

        adjustInterface(role);
        initXHRLoader();
    }
}

/**
 * FIXME: document this method !
 */
function adjustInterface(role = null) {

    if (!role) {
        var _currentAuthUser = JSON.parse(window.localStorage.getItem('_currentAuthUser'));
        role = _currentAuthUser.role;
    }

    var accessLevel;
    var customSections = $('[data-access_level]');
    $.each(customSections, function (idx, element) {
        accessLevel = $(element).data('access_level');
        accessLevel = accessLevel.split(",");
        if (accessLevel.indexOf(role) < 0) {
            $(element).hide();
        }
    });
}

function userAccessChecker(authUserRole) {

    var viewContext = getCurrentContext();
    var viewContextId = viewContextMap[viewContext];

    if (accessLevel[viewContextId].length > 0) {
        if (accessLevel[viewContextId].indexOf(authUserRole) < 0) {
            return false;
        }
    }

    return true;
}

function getCurrentContext() {

    var allScripts = document.getElementsByTagName('script');
    var lastScript = allScripts[allScripts.length-1];
    var srcSegs = lastScript.src.split('/');
    var contextIdx = srcSegs.length-1 ;

    return srcSegs[contextIdx].slice(0,-3); // remove ".js" extension
}

function getCurrentContextId() {

    return viewContextMap[getCurrentContext()];
}

function changeModalHeaderClass(container, oldClass, newClass) {

    if ($(container).find('.modal-content').find('.modal-header').hasClass(oldClass)) {
        $(container).find('.modal-content').find('.modal-header').removeClass(oldClass);
    }

    if (!$(container).find('.modal-content').find('.modal-header').hasClass(newClass)) {
        $(container).find('.modal-content').find('.modal-header').addClass(newClass);
    }
}

function initXHRLoader () {

    if ($('#XHRWaitDialog')) {
        $('#XHRWaitDialog').bind('ajaxStart', function(){
            $(this).modal('show');
        }).bind('ajaxStop', function(){
            $(this).modal('hide');
        });
    }
}

function getCurrentPage() {

    var currentPage = getUrlParameter('page');
    validationResults = validateData({current_page: currentPage});

    if (!currentPage || validationResults.error || currentPage < 1) {
        currentPage = 1;
    }

    return currentPage;
}

/**
 * FIXME: document this method !
 */
function initNextActivityPanels() {

    var apiRequest = initAPIRequest('post', 'activity', 'AUX');
    makeSyncAPICall(apiRequest).then(function(activities) {

        $.each(activities, function(key, obj) {

            var baseString = "#activity" + (key + 1);
            var title = baseString + '_title';
            $(title).text(obj.title);

            var responsible = baseString + '_responsible';
            $(responsible).text("Coordonator: " + obj.responsible);

            var data = baseString + '_data';
            $(data).text(obj.data);

            var img = baseString + '_icon';
            if (obj.category == "Competitie") {
                $(img).attr("src", "images/competition_pic.png");
            }
            else {
                $(img).attr("src", "images/debate_meeting.png");
            }
        });
    });
}

/**
 * Method that extracts cookies
 * @param name
 * @returns {*}
 */
function getCookie(name) {
    var value = "; " + document.cookie;
    var parts = value.split("; " + name + "=");
    if (parts.length == 2)
        return parts.pop().split(";").shift();
}

/**
 * input: 2016-12-31T05:18:43Z
 * output: 2016-12-31T05:18 (yyyy-MM-ddThh:mm::ss)
 * @param date
 */
function formatDateToLocalFormat(date) {

    var isoDate = new Date(date);
    var year = isoDate.getUTCFullYear(),
        month = isoDate.getUTCMonth() + 1,
        day = isoDate.getUTCDate(),
        hour = isoDate.getUTCHours(),
        minute = isoDate.getUTCMinutes();

    if (month.toString().length < 2) month = '0' + month;
    if (day.toString().length < 2) day = '0' + day;
    if (hour.toString().length < 2) hour = '0' + hour;
    if (minute.toString().length < 2) minute = '0' + minute;

    return year + '-' + month + '-' + day + 'T' + hour + ':' + minute;
}

function formatDateToPrettyFormat(date) {

    var isoDate = new Date(date);
    var year = isoDate.getUTCFullYear(),
        month = isoDate.getUTCMonth() + 1,
        day = isoDate.getUTCDate(),
        hour = isoDate.getUTCHours(),
        minute = isoDate.getUTCMinutes(),
        second = isoDate.getUTCSeconds();

    if (year.toString().length < 2) year = '0' + year.toString();
    if (month.toString().length < 2) month = '0' + month.toString();
    if (day.toString().length < 2) day = '0' + day.toString();
    if (hour.toString().length < 2) hour = '0' + hour.toString();
    if (minute.toString().length < 2) minute = '0' + minute.toString();
    if (second.toString().length < 2) second = '0' + second.toString();

    return  day + '.' + month + '.' + year + ', ora ' + hour + ':' + minute;
}

function countObjectProperties(obj) {
    
    var count = 0;
    for (var k in obj) {
        if (obj.hasOwnProperty(k)) {
            ++count;
        }
    }
    return count;
}


/* =================== HTML tools =================== */

/**
 * Usage: create simple select with options list
 * @param elementType
 * @param data
 * @returns {string}
 */
function createFormElement(elementType, data) {

    var content = '';
    if (elementType == 'option') {
        content += '<option value="">- alege -</option>';
        $.each(data, function(key, obj) {
            if (obj.label_value) {
                content += '<option value="' + obj.id + '">' + obj.label_value + '</option>';
            } else {
                content += '<option value="' + obj.id + '">' + obj.name + '</option>';
            }
        });
    }
    else if (elementType == 'checkbox') {
        // do nothing
    }
    return content;
}

/**
 * Usage: create text field with simple select - Training field
 * @param data
 * @returns {string}
 */
function createFormRowSelect_Training(data) {

    var content = '';
    var selectOption = createFormElement('option', data);

    content += '<div class="row selectRow" style="border-bottom: 5px;">';
    content += '<div class="col-lg-8">';
    content += '<input class="form-control" placeholder="denumire training" name="training_title[]">';
    content += '</div>';

    content += '<div class="col-lg-4">';
    content += '<select data-activity-form="training-labels" name="training_labels[]" class="form-control">';

    content += selectOption;
    content += '</select>';
    content += '</div>';
    content += '</div>';

    return content;
}

/**
 * Usage: create text field with simple select - Motion field
 * @param data
 * @returns {string}
 */
function createFormRowSelect_Motion(data) {

    var content = '';
    var selectOption = createFormElement('option', data);

    content += '<div class="row selectRow">';
    content += '<div class="col-lg-8">';
    content += '<input class="form-control" placeholder="titlu motiune" name="motion_title[]">';
    content += '</div>';

    content += '<div class="col-lg-4">';
    content += '<select data-activity-form="motion-labels" name="motion_labels[]" class="form-control">';

    content += selectOption;
    content += '</select>';
    content += '</div>';
    content += '</div>';

    return content;
}

/**
 * Usage: create text field with simple select - Activity labels field
 * @param data
 * @param addButtons
 * @returns {string}
 */
function createFormRowSelect_ActivityLabels(data, addButtons) {

    var content = '';
    var selectOption = createFormElement('option', data);

    content += '<div class="row selectRow">';
    content += '<div class="col-lg-5">';
    content += '<select data-activity-form="activity-labels" name="activity_labels[]" class="form-control">';
    content += selectOption;
    content += '</select>';
    content += '</div>';

    if (addButtons === true) {

        content += '<div class="col-lg-7">';

        content += '<button onClick="removeRowField(\'activity_labels\')" type="button" class="btn btn-danger btn-sm" style="float: right; margin-left: 5px;" name="remove_row_activity_labels">';
        content += '<span class="glyphicon glyphicon-remove" aria-hidden="true"></span>';
        content += '&nbsp;Șterge';
        content += '</button>';

        content += '<button onClick="addRowField(\'activity_labels\')" style="float: right;" type="button" class="btn btn-primary btn-sm">';
        content += '<span class="glyphicon glyphicon-plus-sign" aria-hidden="true"></span>';
        content += '&nbsp;Adaugă activitate';
        content += '</button>';

        content += '</div>';
    } else {
        $('button[name="remove_row_activity_labels"]').show();
        content += '<div class="col-lg-6">';
        content += '&nbsp;';
        content += '</div>';
    }

    content += '</div>';

    return content;
}

/**
 * Usage: create checkbox list - Debaters and Trainers lists
 * @param data
 * @param context
 * @returns {string}
 */
function createFormCheckboxList(data, context) {

    var content = '';

    $.each(data, function(key, obj) {

        content += '<div class="checkbox">';
        content += '<label>';
        content += '<input type="checkbox" name="participants[' + context + '][]" value="' + obj.id + '">';
        content += '' + obj.name;
        content += '</label>';
        content += '</div>';
    });

    return content;
}

/**
 * Usage: add new form row - this method is called from html action button
 * @param areaName
 */
function addRowField(areaName) {

    var _localLabels = JSON.parse(window.localStorage.getItem('_activity_labels'));
    if (!_localLabels) {
        return;
    }

    var context = '',
        contextName = '';

    if (areaName == 'training' && _localLabels['training'] && _localLabels['training'].length > 0) {

        contextName = 'activity-training-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        content = createFormRowSelect_Training(_localLabels['training']);
        context.append(content);
        $('button[name="remove_row_training"]').show();

    } else if (areaName == 'motion' && _localLabels['motion'] && _localLabels['motion'].length > 0) {

        contextName = 'activity-motion-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        content = createFormRowSelect_Motion(_localLabels['motion']);
        context.append(content);
        $('button[name="remove_row_motion"]').show();

    } else if (areaName == 'activity_labels' && _localLabels['activity'] && _localLabels['activity'].length > 0) {

        contextName = 'activity-labels-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        var addButtons = false;
        if (context.children().length < 1) {
            addButtons = true;
        }
        content = createFormRowSelect_ActivityLabels(
            _localLabels['activity'],
            addButtons,
            context.children().length
        );
        context.append(content);
        $('button[name="remove_row_activity_labels"]').show();

    }
}

/**
 * Usage: remove form row - this method is called from html action button
 * @param areaName
 */
function removeRowField(areaName) {

    var context = '',
        contextName = '';

    if (areaName == 'training') {

        contextName = 'activity-training-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        if (context.children().length > 1) {
            context.children().last().remove();
        }
        if (context.children().length == 1) {
            $('button[name="remove_row_training"]').hide();
        }

    } else if (areaName == 'motion') {

        contextName = 'activity-motion-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        if (context.children().length > 1) {
            context.children().last().remove();
        }
        if (context.children().length == 1) {
            $('button[name="remove_row_motion"]').hide();
        }

    } else if (areaName == 'activity_labels') {

        contextName = 'activity-labels-area';
        context = $('div[' + activityFormBaseDataAttr + '="' + contextName + '"]');
        if (context.children().length > 1) {
            context.children().last().remove();
        }
        if (context.children().length == 1) {
            $('button[name="remove_row_activity_labels"]').hide();
        }

    }
}

function initPageBar(response, dto) {

    var numberOfItems = response.total_number;
    var currentPage = dto.page;

    var pageBar = $('#pageBar');
    var numberOfPages = Math.ceil(numberOfItems / itemsPerPage);
    var barContent = '';

    if (numberOfPages < 2) {
        // do not show pagination bar
        pageBar.hide();
    }
    else {

        // remake the pagination bar
        pageBar.html('');

        if (numberOfPages == 2) {
            barContent += '<li><a href="#" onclick="listControl.getItems({\'page\': 1}); return false;">1</a></li>';
            barContent += '<li><a href="#" onclick="listControl.getItems({\'page\': 2}); return false;">2</a></li>';
            pageBar.append(barContent);
        }
        else {
            barContent = '<li><a href="#" onclick="listControl.getItems({\'page\': 1}); return false;">Prima</a></li>';
            for (var i = Math.max(1, currentPage-2); i <= Math.min(numberOfPages, currentPage+2); i++) {
                barContent += '<li><a href="#" onclick="listControl.getItems({\'page\': ' + i + '}); return false;">' + i + '</a></li>';
            }
            barContent += '<li><a href="#" onclick="listControl.getItems({\'page\': ' + numberOfPages + '}); return false;">Ultima</a></li>';
            pageBar.append(barContent);
        }

        // the page bar might have been hidden from a previous filter query
        pageBar.show();
    }
}

/**
 * Usage: check all checkboxes from a specific list, determined by contextName
 * @param checkGroup
 * @param contextName
 */
function checkAll(checkGroup, contextName) {

    $('input[name="participants[' + contextName + '][]"]')
        .not(checkGroup)
        .prop('checked', checkGroup.checked);
}

function checkAll_Groups(checkbox) {

    $('input[name="apply_groups[]"]').prop('checked', checkbox.checked);
}


function localStoreGroups(data) {

    var groupMembers = {};
    var groupDetails = {};
    var groupLabels = {};

    $.each(data, function(key, group) {
        
        var entity = {};
        entity['name'] = group.name;
        entity['label'] = group.label;

        if (!groupLabels[group.id]) {
            groupLabels[group.id] = [];
        }
        groupLabels[group.id].push(group.label);
        groupDetails[group.id] = entity;
        groupMembers[group.id] = group.members;    
    });

    window.localStorage.removeItem('_groupDetails');
    window.localStorage.setItem('_groupDetails', JSON.stringify(groupDetails));

    window.localStorage.removeItem('_groupLabels');
    window.localStorage.setItem('_groupLabels', JSON.stringify(groupLabels));

    window.localStorage.removeItem('_groupMembers');
    window.localStorage.setItem('_groupMembers', JSON.stringify(groupMembers));
}
/* =================== end of HTML tools =================== */



/* =================== Usual tools =================== */

/**
 * Return a flipped array
 * @param arr
 * @returns {{}|*}
 */
function flipArray(arr) {
    arr_flipped={};
    $.each(arr, function(idx, value) {
        arr_flipped[value]=idx;
    });
    return arr_flipped;
}
/**
 * Simple tool that merge started date and finished date for an activity
 * @param startDate
 * @param endDate
 * @returns {{started_at: *, finished_at: *}}
 */
function formatDateInput(startDate, endDate) {

    return {
        started_at: startDate,
        finished_at: endDate
    };
}

function showAlertMessage(type, text, modal) {

    var typeMap = {
        error: 'danger',
        warning: 'warning',
        info: 'info',
        success: 'success'
    };
    var alertClass = 'alert-' + typeMap[type];
    var alertTextLabel = (type == 'error') ? '<strong>Oups!</strong>&nbsp;' : '';

    var cleanUpAlertClass = function(alertDiv) {
        for (var key in typeMap) {
            if (typeMap.hasOwnProperty(key) && alertDiv.hasClass('alert-' + typeMap[key])) {
                alertDiv.removeClass('alert-' + typeMap[key])
            }
        }
    };

    var alertMessageDiv;
    if (modal) {
        alertMessageDiv = modal.find('.modal_alert_message');
        alertMessageDiv = alertMessageDiv[0];
        $(alertMessageDiv).hide();

        cleanUpAlertClass($(alertMessageDiv));
        $(alertMessageDiv).addClass(alertClass);
        $(alertMessageDiv).find('[data-context="alert_message_text"]').html(alertTextLabel + text);
        $(alertMessageDiv).show();
    }
    else {
        alertMessageDiv = $('#alert_message');
        alertMessageDiv.hide();

        cleanUpAlertClass(alertMessageDiv);
        alertMessageDiv.addClass(alertClass);
        alertMessageDiv.find('[data-context="alert_message_text"]').html(alertTextLabel + text);
        alertMessageDiv.show();
    }
}

/**
 * Check password matching
 * @param new_password
 * @param old_password
 * @returns {boolean}
 */
function checkPasswordMatch(new_password, old_password){
    if(new_password.val() && old_password.val()){
        return true;
    }
    else if(!new_password.val() && !old_password.val()){
        return true;
    }
    return false;
}

/**
 * Get query parameters from url
 * @param sParam
 * @returns {boolean}
 */
function getUrlParameter(sParam) {

    var sPageURL = decodeURIComponent(window.location.search.substring(1)),
        sURLVariables = sPageURL.split('&'),
        sParameterName,
        i;

    for (i = 0; i < sURLVariables.length ;i++) {
        sParameterName = sURLVariables[i].split('=');
        if (sParameterName[0] === sParam) {
            return (sParameterName[1]) ? sParameterName[1] : false;
        }
    }
}