'use strict';

function sendForm (show_modal) {
    var show_modal = show_modal || false,
        $form = $('#mailing_settings_form');

    $form.find('.field_error').removeClass('field_error');
    $form.find('.text_error').remove();

    var form_data = $form.serializeArray();
    if (show_modal) {
        form_data.push({
            name: 'save',
            value: true
        })
    }

    $.ajax({
        url: $form.attr('action'),
        type: $form.attr('method'),
        data: form_data,
        success: function(response){
            console.log(response);
            if (response.hasOwnProperty('redirect_url')){
                window.location.pathname = response.redirect_url;
            }
        },
        error: function (error) {
            var form_errors = error.responseJSON.form_errors;

            if (show_modal){
                var $error_list = $('<ol></ol>', {class: 'errorlist'});

                $.each(form_errors, function (field, err) {
                    $error_list.append('<li>' + err + '</li>');
                });

                $('#error_messages').html($error_list);

                $.fancybox.open({
                    href: '#error_modal'
                })
            } else {
                $.each(form_errors, function (field, err) {
                    var $field = $form.find('#id_' + field);
                    $field.addClass('field_error');
                    $field.parent('.pr-input').prepend('<span class="text_error">' + err + '</span>');
                });
            }
        }
    });
}


// Выбор тем
(function () {
    var $themes_modal = $('.popup-window.themes'),
        $autocomplete = $('#autocomplete_themes', $themes_modal),
        $autocomplete_results = $('#autocomplete_themes_results', $themes_modal),
        $selected_themes = $('.selected_themes', $themes_modal),
        timer,
        themes_data = {},
        // template for mustache.js
        tag_tpl = '{{#tags}}<li>' +
                        '<label>' +
                            '<input type="checkbox" class="hidden_checkbox" name="tg" id="id_tg_{{ id }}" value="{{ id }}" {{#checked}}checked{{/checked}} />' +

                            '<span class="custom_checkbox"></span>' +
                            '<span class="label">{{ text }}</span>' +
                        '</label>' +
                    '</li>{{/tags}}',

        renderSublist = function (theme_id, $sub_list) {
            var theme_tags = themes_data[theme_id]['tags'],
                tags = Mustache.to_html(tag_tpl, {tags: theme_tags});

            $sub_list
                .html(tags)
                .addClass('has_items')
                .slideDown(100);
        },

        getAutocompleteResults = function () {
            var term = $autocomplete.val();
            if ($.trim(term).length >= 3){

                $.get(
                    $autocomplete.data('url'),
                    {
                        form: $autocomplete.data('form'),
                        term: term
                    },
                    function (response) {

                        if (response.length > 0){
                            var results = '';
                            response.forEach(function (obj) {
                                results += '<li data-type="' + obj.name + '"' +
                                               'data-id="' + obj.id + '"' +
                                               'data-text="' + obj.text + '"' +
                                               'data-parent="' + obj.theme_id + '">' + obj.text +
                                                ' <span>(' + obj.cat + ')</span>' +
                                            '</li>'
                            });

                            $autocomplete_results
                                .html(results)
                                .show();
                        }
                    }
                )
            }
        };


    $.get($themes_modal.data('url'), function (response) {
        response['data'].forEach(function(obj){
            themes_data[obj.id] = obj;
            if (themes_data[obj.id].checked) {
                themes_data[obj.id].tags.forEach(function (tag) {
                    tag.checked = true;
                })
            }
        });
    });


    // открываем список тегов в теме
    $themes_modal.on('click', '.trigger', function (e) {
        e.preventDefault();

        var $link = $(this),
            theme_id = $link.parents('.theme_item').data('id'),
            $sub_list = $link.next('.sub');

        // если теги подгружены, то открываем(закрываем) список
        // если нет, то подгружаем аяксом теги
        if ($sub_list.hasClass('has_items')){
            $sub_list.slideToggle(100);
        } else {
            renderSublist(theme_id, $sub_list);
        }
    });


    function changeThemeData (theme_id, checked, set_tags) {
        var set_tags = set_tags || false;
        themes_data[theme_id].checked = checked;

        if (set_tags){
            themes_data[theme_id].tags.forEach(function (tag) {
                tag.checked = checked;
            });
        }
    }
    
    function changeTagData (theme_id, tag_id, checked) {
        themes_data[theme_id].tags.forEach(function (tag) {
            if (tag.id == tag_id){
                tag.checked = checked;
            }
        });
    }

    function isAllTagsChecked (theme_id) {
        return themes_data[theme_id].tags.every(function (obj) {
            return obj.checked;
        });
    }

    function renderTheme (theme_id) {
        var tpl = '<li class="unsaved theme_{{ id }}" data-type="th" data-id="{{ id }}">' +
                    '<input type="hidden" name="th" value="{{ id }}"> {{ text }}' +
                    '<a href="#">×</a>' +
                  '</li>';
        var themes = themes_data[theme_id];
        return Mustache.to_html(tpl, themes);
    }

    function renderTag (theme_id, tag_id) {
        var tpl = '<li class="unsaved tag_{{ id }}" data-type="tg" data-parent="' + theme_id + '" data-id="{{ id }}">' +
                    '<input type="hidden" name="tg" value="{{ id }}"> {{ text }}' +
                    '<a href="#">×</a>' +
                  '</li>';

        var tag_data = themes_data[theme_id]['tags'].filter(function(tag){
            return tag.id == tag_id;
        });

        return Mustache.to_html(tpl, tag_data[0]);
    }

    function renderTags (theme_id, tag_id) {
        var tpl = '{{#tags}}<li class="unsaved tag_{{ id }}" data-type="tg" data-parent="' + theme_id + '" data-id="{{ id }}">' +
                    '<input type="hidden" name="tg" value="{{ id }}"> {{ text }}' +
                    '<a href="#">×</a>' +
                  '</li>{{/tags}}';

        var tag_data = themes_data[theme_id]['tags'].filter(function(tag){
            return tag.id != tag_id;
        });

        return Mustache.to_html(tpl, { tags: tag_data });
    }

    function removeSelectedItem (type, id) {
        $selected_themes
            .find('li[data-type="' + type + '"][data-id="' + id + '"]')
            .remove();
    }

    function checkSelected () {
        if ($selected_themes.children('li').length > 0){
            $selected_themes.addClass('visible');
        } else {
            $selected_themes.removeClass('visible');
        }
    }


    $themes_modal.on('change', 'input[type="checkbox"]', function (e) {
        e.preventDefault();
        // sendForm();

        var $checkbox = $(this);

        // Изменили чекбокс темы
        if ($checkbox.attr('name') == 'th'){
            var $sub_list = $checkbox.parents('.theme_item').find('.sub');

            // Поставили чекбокс темы
            if ($checkbox.is(':checked')) {
                changeThemeData($checkbox.val(), true, true);

                $sub_list.find('input[name="tg"]').each(function (i, checkbox) {
                    $(checkbox).prop('checked', true);
                });

                $selected_themes
                    .find('[data-parent="' + $checkbox.val() + '"]')
                    .remove();

                var rendered_theme = renderTheme($checkbox.val());
                $selected_themes.append(rendered_theme);

            // Сняли чекбокс темы
            } else {
                changeThemeData($checkbox.val(), false, true);

                $sub_list.find('input[name="tg"]').each(function (i, checkbox) {
                    $(checkbox).prop('checked', false);
                });

                removeSelectedItem($checkbox.attr('name'), $checkbox.val());
            }

        // Изменили чекбокс тега
        } else {
            var $theme_item = $checkbox.parents('.theme_item'),
                theme_id = $theme_item.data('id'),
                tag_id = $checkbox.val();

            // Поставили чекбокс тега
            if ($checkbox.is(':checked')) {
                changeTagData(theme_id, tag_id, true);

                // Все теги в теме выбраны
                if (isAllTagsChecked(theme_id)){
                    $theme_item
                        .find('input[name="th"][value="' + theme_id + '"]')
                        .prop('checked', true);

                    changeThemeData(theme_id, true, false);

                    $selected_themes.find('[data-parent="' + theme_id + '"]').remove();

                    var rendered_theme = renderTheme(theme_id);
                    $selected_themes.append(rendered_theme);
                } else {
                    var rendered_tag = renderTag(theme_id, tag_id);
                    $selected_themes.append(rendered_tag);
                }

            // Сняли чекбокс тега
            } else {
                changeTagData(theme_id, tag_id, false);

                // Родительская тема выбрана
                if (themes_data[theme_id].checked) {
                    changeThemeData(theme_id, false);
                    $theme_item
                        .find('input[name="th"][value="' + theme_id + '"]')
                        .prop('checked', false);

                    removeSelectedItem('th', theme_id);

                    var rendered_tags = renderTags(theme_id, tag_id);
                    $selected_themes.append(rendered_tags);

                // Родительская тема не выбрана
                } else {
                    removeSelectedItem($checkbox.attr('name'), tag_id);

                }
            }
        }

        checkSelected();
    });


     // Input автокомплита
    $autocomplete.on('keyup', function () {
        $autocomplete_results.hide();

        clearTimeout(timer);
        timer = setTimeout(getAutocompleteResults, 500);
    });

    // Выбор из автокомплита
    $autocomplete_results.on('click', 'li', function () {
        var $this = $(this);

        if ($this.data('type') == 'th') {
            var $chosen = $themes_modal.find('#id_th_' + $this.data('id'));

            if (!$chosen.is(':checked')){
                $chosen.trigger('click');
            }
        } else {
            var $chosen = $themes_modal.find('#id_tg_' + $this.data('id')),
                parent_id = $this.data('parent'),
                $theme_tags = $('.theme_item[data-id="' + parent_id + '"]').find('.sub');

            if ($theme_tags.is('visible')) {
                $chosen.trigger('click');
            } else {
                $theme_tags.prev('.trigger').trigger('click');
                $themes_modal.find('#id_tg_' + $this.data('id')).trigger('click');
            }
        }

        $autocomplete_results
            .html('')
            .hide();
        $autocomplete.val('');
    });

    function deleteSelected() {
        event.preventDefault();

        var $this = $(this),
            delete_class = $this.parents('li').attr('class'),
            id = $this.parents('li').data('id'),
            type = $this.parents('li').data('type'),
            $deleted_checkbox = $('#id_' + type + '_' + id);


        if ($deleted_checkbox.length) {
            $deleted_checkbox.trigger('click');
        } else {
            var parent_id = $(this).parents('li').data('parent');

            themes_data[parent_id]['tags'].forEach(function (tag) {
                if (tag['id'] == id){
                    tag['checked'] = false;
                }
            });
        }

        /* TODO: find other solution of saving form */
        // Если удаляем со страницы а не с модального окна
        var saveForm = event.path.some(function (item) {
            return $(item).attr('id') == 'selected_themes';
        });

        if (saveForm){
            $('.' + delete_class).remove();
            sendForm();
        } else {
            $this.parents('li').remove();
        }

        checkSelected();
    }

    // Удаление выбранной темы
    $selected_themes.on('click', 'a', deleteSelected);
    $('#selected_themes').on('click', 'a', deleteSelected);

    $('body').on('click', function (e) {
        if ($autocomplete_results.is(':visible') && $(e.target).parents('.autocomplete_block').length == 0){
            $autocomplete_results
                .html('')
                .hide();
        }
    });
    
    $themes_modal.on('click', '.modal-approve', function () {
        var $selected = $selected_themes.find('li').removeClass('unsaved').clone();

        if ($('#pr-promo').length){
            if (!$('#id_moscow').is(':checked') && !$('#id_russia').is(':checked') && $selected_themes.children().length && !$('#selected_themes').children().length){
                $('#id_moscow').prop('checked', true);
                $('#id_russia').prop('checked', true);
            }
        }

        $('#selected_themes').html($selected);
        sendForm();

        $.fancybox.close();
    });

    $themes_modal.on('click', '.modal-clear', function () {
        $selected_themes.find('a').trigger('click');
    });

    $('#mailing_settings_form button').on('click', function (event) {
        event.preventDefault();
        var show_modal = true;
        sendForm(show_modal);
    });

})();


// Выбор городов
(function () {
    var $cities_modal = $('.popup-window.r_cities'),
        $selected_cities = $('#selected_cities'),
        $cities_select = $('#id_r_cities'),
        selected_cities = {},

        renderSelectedCountry = function (id, text) {
            return '<li>' +
                        '<input type="hidden" name="r_cities" value="' + id + '">' +
                        text +
                        '<a href="#">&times;</a>' +
                    '</li>'
        },

        renderSelectedCities = function () {
            $selected_cities.html('');

            for (var city_id in selected_cities) {
                var $city = $(renderSelectedCountry(city_id, selected_cities[city_id]));
                $selected_cities.append($city);
            }

            sendForm();
        };

    // Записываем данные в selected_cities при инициализации
    $cities_select.find('option').each(function () {
        $cities_modal.find('input[name="r_cities"][value="' + $(this).val() + '"]').prop('checked', true);

        selected_cities[$(this).val()] = $(this).text();

        var $city = $(renderSelectedCountry($(this).val(), $(this).text()));
        $selected_cities.append($city);
    });

    $cities_modal.on('change', 'input[type="checkbox"]', function (e) {
        e.preventDefault();
        var $checkbox = $(this);

        // записываем(удаляем) в объект selected_cities отмеченные темы(теги)
        if($checkbox.is(':checked')){
            selected_cities[$checkbox.val()] = $checkbox.parent().find('.label').text();
        } else {
            delete selected_cities[$checkbox.val()];
            $('#id_' + $checkbox.attr('name')).find('option[value="' + $checkbox.val() + '"]').remove();
        }

        renderSelectedCities();
    });


    // Удаление выбранного тега
    $selected_cities.on('click', 'a', function (event) {
        event.preventDefault();

        var $input = $(this).siblings('input');

        delete selected_cities[$input.val()];
        $('.modal_checkboxes').find('input[name="' + $input.attr('name') + '"][value="' + $input.val() + '"]').prop('checked', false);
        $('#id_' + $input.attr('name')).find('option[value="' + $input.val() + '"]').remove();

        $(this).parent('li').remove();
        sendForm();
    });

    $cities_modal.on('click', '.modal-approve', $.fancybox.close);
    $cities_modal.on('click', '.modal-clear', function () {
        $cities_modal.find('input:checked').prop('checked', false);
        $selected_cities.html('');
        $cities_select.html('');
        sendForm();
    });
})();


// Выбор стран
(function () {
    var $countries_modal = $('.popup-window.countries'),
        $areas_select = $('#id_area'),
        $co_select = $('#id_co'),
        $selected_areas = $('#selected_areas'),
        $selected_co = $('#selected_countries'),
        user_countries = {
            area: {},
            co: {}
        },

        renderSublistItem = function (data) {
            return '<li>' +
                        '<label>' +
                            '<input type="checkbox" class="hidden_checkbox" name="' + data.name + '" value="' + data.id + '" />' +
                            '<span class="custom_checkbox"></span>' +
                            '<span class="label">' + data.text + '</span>' +
                        '</label>' +
                    '</li>';
        },

        renderSublist = function (url, $sub_list) {
            var $loader = $countries_modal.find('.wait-ajax').show();

            $.getJSON(url, function (data, status) {
                if (status == 'success'){
                    $.each(data, function (i) {
                        var $sub_item = $(renderSublistItem( data[i] ));

                        if (data[i]['id'] in user_countries['co']){
                            $sub_item.find('input').prop('checked', true);
                        }
                        $sub_list
                            .addClass('has_items')
                            .append($sub_item);

                    });

                    $loader.hide();
                }
            });
        },

        renderSelectedCountry = function (id, name, text) {
            return '<li>' +
                        '<input type="hidden" name="' + name + '" value="' + id + '">' +
                        text +
                        '<a href="#">&times;</a>' +
                    '</li>'
        },

        renderSelectedCountries = function () {
            $selected_co.html('');
            $selected_areas.html('');


            for (var area_id in user_countries['area']) {
                var $area = $(renderSelectedCountry(area_id, 'area', user_countries['area'][area_id]));
                $selected_areas.append($area);
            }

            for (var co_id in user_countries['co']) {
                var $co = $(renderSelectedCountry(co_id, 'co', user_countries['co'][co_id]));
                $selected_co.append($co);
            }

            sendForm();
        },

        removeCheckbox = function (type, id) {
            delete user_countries[type][id];
            $('.modal_checkboxes').find('input[name="' + type + '"][value="' + id + '"]').prop('checked', false);
            $('#id_' + type).find('option[value="' + id + '"]').removeAttr('selected');
        };

    // Записываем данные в user_countries при инициализации
    $areas_select.find('option[selected]').each(function () {
        $countries_modal.find('input[name="area"][value="' + $(this).val() + '"]').prop('checked', true);

        user_countries['area'][$(this).val()] = $(this).text();

        var $area = $(renderSelectedCountry($(this).val(), 'area', $(this).text()));
        $selected_areas.append($area);
    });

    $co_select.find('option[selected]').each(function () {
        user_countries['co'][$(this).val()] = $(this).text();

        var $co = $(renderSelectedCountry($(this).val(), 'co', $(this).text()));
        $selected_co.append($co);
    });

    // открываем список тегов в теме
    $countries_modal.on('click', '.trigger', function (e) {
        e.preventDefault();

        var $link = $(this),
            $sub_list = $link.next('.sub');

        // если теги подгружены, то открываем(закрываем) список
        // если нет, то подгружаем аяксом теги
        if ($sub_list.hasClass('has_items')){
            $sub_list.slideToggle(100);
        } else {
            renderSublist($link.attr('href'), $sub_list);
        }
    });


    $countries_modal.on('change', 'input[type="checkbox"]', function (e) {
        e.preventDefault();
        var $checkbox = $(this);

        // записываем(удаляем) в объект user_choice отмеченные темы(теги)
        if($checkbox.is(':checked')){
            user_countries[$checkbox.attr('name')][$checkbox.val()] = $checkbox.parent().find('.label').text();
        } else {
            delete user_countries[$checkbox.attr('name')][$checkbox.val()];
            $('#id_' + $checkbox.attr('name')).find('option[value="' + $checkbox.val() + '"]').removeAttr('selected');
        }

        renderSelectedCountries();
    });


    // Удаление выбранного континента
    $selected_areas.on('click', 'a', function (event) {
        event.preventDefault();

        var $input = $(this).siblings('input');

        removeCheckbox($input.attr('name'), $input.val());

        $(this).parent('li').remove();
        sendForm();
    });


    // Удаление выбранной страны
    $selected_co.find('a').on('click', function (event) {
        event.preventDefault();

        var $input = $(this).siblings('input');

        removeCheckbox($input.attr('name'), $input.val());

        $(this).parent('li').remove();
        sendForm();
    });

    $countries_modal.on('click', '.modal-approve', $.fancybox.close);
    $countries_modal.on('click', '.modal-clear', function () {
        $countries_modal.find('input:checked').prop('checked', false);
        $selected_areas.html('');
        $selected_co.html('');
        $areas_select.html('');
        $co_select.html('');
        sendForm();
    });
})();



$(function () {
    $('.modal_trigger').fancybox({
        padding: 0
    });

    $('.scroll-container').mCustomScrollbar();


    if ($('#unsibscribed').length)
        $.fancybox.open({href: '#unsibscribed'});
});