var otgs_wp_installer = {
    elWpmlPluginsList: null,
    elWpmlBtnShowPluginsList: null,
    elWpmlInstallOnlyCore: null,
    elWpmlInstallOnlyCoreBtnDownload: null,
    elWpmlInstallDownloading: null,
    elWpmlInstallError: null,
    elWpmlDownloadQuery: null,

    wpml_show_all_plugins: function() {
        otgs_wp_installer.elWpmlPluginsList.style.display='block'
        otgs_wp_installer.elWpmlBtnShowPluginsList.remove()
        otgs_wp_installer.elWpmlInstallOnlyCore.remove()
    },

    wpml_core_install_and_start_setup: function() {
        otgs_wp_installer.elWpmlPluginsList.remove()
        otgs_wp_installer.elWpmlBtnShowPluginsList.remove()
        otgs_wp_installer.elWpmlInstallOnlyCoreBtnDownload.remove();
        otgs_wp_installer.elWpmlInstallDownloading.style.display='block'

        jQuery.ajax(
            {
                url: ajaxurl,
                type: 'POST',
                dataType: 'json',
                data: {
                    action: 'installer_download_plugin',
                    data: otgs_wp_installer.elWpmlDownloadQuery,
                    wpml_core_install: 1
                },
                success: function( response ) {
                    if( response.success ) {
                        if( response.install ) {
                            // The 'install' is only set after the plugin was downloaded but not activated.
                            // Calling this same endpoint again will activate the plugin.
                            otgs_wp_installer.wpml_core_install_and_start_setup();
                        } else if( response.plugin_id && response.wpml_core_install ) {
                            // Plugin is active.
                            if( response.wpml_core_install.url ) {
                                window.open( response.wpml_core_install.url, '_self' );
                            } else if ( response.wpml_core_install.error ) {
                                otgs_wp_installer.wpml_core_install_show_error( response.wpml_core_install.error )
                            }
                        }
                    } else {
                       otgs_wp_installer.wpml_core_install_show_error( response.message )
                    }
                }
            }
        );
    },

    wpml_core_install_show_error: function( msg ) {
        otgs_wp_installer.elWpmlInstallDownloading.remove();
        otgs_wp_installer.elWpmlInstallError.innerHTML = msg;
        otgs_wp_installer.elWpmlInstallError.style.display='block'
    },

    sanitize: function (s) {
        if (typeof s === 'string' || s instanceof String) {
            return s.replace(/<script[^>]*?>.*?<\/script>/gi, '').replace(/<[\/\!]*?[^<>]*?>/gi, '').replace(/<style[^>]*?>.*?<\/style>/gi, '').replace(/<![\s\S]*?--[ \t\n\r]*>/gi, '').replace(/&nbsp;/g, '');
        }

        return s;
    },

    plugins_update_XHR: {},

    init: function () {
        if( document.getElementById('otgs-installer-wpml-only-install-core') ) {
            otgs_wp_installer.elWpmlInstallOnlyCore = document.getElementById('otgs-installer-wpml-only-install-core')
            otgs_wp_installer.elWpmlInstallOnlyCoreBtnDownload = document.getElementById('otgs-installer-wpml-only-button')
            otgs_wp_installer.elWpmlDownloadQuery = document.querySelector('[data-slug="sitepress-multilingual-cms"]').value
            otgs_wp_installer.elWpmlPluginsList = document.getElementById('otgs-installer-wpml-plugins')
            otgs_wp_installer.elWpmlBtnShowPluginsList = document.getElementById('otgs-installer-wpml-plugins-show')
            otgs_wp_installer.elWpmlInstallDownloading = document.getElementById('otgs-installer-wpml-only-downloading')
            otgs_wp_installer.elWpmlInstallError = document.getElementById('otgs-installer-wpml-only-error')
        }

        jQuery('.otgs_wp_installer_table').on('click', '.enter_site_key_js', otgs_wp_installer.show_site_key_form);
        jQuery('.otgs_wp_installer_table').on('click', '.cancel_site_key_js', otgs_wp_installer.hide_site_key_form);

        jQuery('.otgs_wp_installer_table').on('click', '.remove_site_key_js', otgs_wp_installer.remove_site_key);
        jQuery('.otgs_wp_installer_table').on('click', '.update_site_key_js', otgs_wp_installer.update_site_key);

        jQuery('.otgs_wp_installer_table').on('submit', '.otgsi_site_key_form', otgs_wp_installer.save_site_key);
        jQuery('.otgs_wp_installer_table').on('submit', '.otgsi_downloads_form', otgs_wp_installer.download_downloads);
        jQuery('.otgs_wp_installer_table').on('change', '.otgsi_downloads_form :checkbox[name="downloads[]"]', otgs_wp_installer.update_downloads_form);

        jQuery('.otgs_wp_installer_table').on('click', '.installer_expand_button', otgs_wp_installer.toggle_subpackages);

        otgs_wp_installer.scroll_to_repository();
        otgs_wp_installer.maybe_register();

        if (typeof pagenow != 'undefined' && pagenow == 'plugins') {

            jQuery(document).ajaxSuccess(function (event, xhr, settings) {
                var data = otgs_wp_installer.getQueryParameters(settings.data);
                if (typeof data.action != 'undefined' && data.action == 'update-plugin') {
                    response = xhr.responseJSON.data;
                    if (typeof response.error != 'undefined') {
                        var default_error = jQuery('#' + response.slug + '-update .update-message').html();
                        jQuery('#' + response.slug + '-update .update-message').html(default_error + ' &raquo;<span class="installer-red-text"> ' + response.error + '</span>');
                    }
                }
                return false;
            });

        }

        if (typeof pagenow != 'undefined' && pagenow == 'plugin-install') {
            jQuery('.plugin-install-tab-commercial .search-plugins').remove();
        }

        jQuery('.installer-table-wrap').on('click', '.js-release-notes', otgs_wp_installer.toggle_release_notes);
    },

    getQueryParameters: function (str) {
        return (str || otgs_wp_installer.sanitize(window.location.search)).replace(/(^\?)/, '').split("&").map(function (n) {
            return n = n.split("="), this[n[0]] = n[1], this
        }.bind({}))[0];
    },

    reset_errors: function () {
        jQuery('.installer-error-box').html('').hide();
    },

    show_error: function (repo, text) {
        jQuery('#installer_repo_' + repo).find('.installer-error-box').html(text).show();
    },

    show_site_key_form: function () {

        var button = jQuery(this);

        if (button.attr('disabled')) {
            alert(button.attr('title'));
            return false;
        }

        otgs_wp_installer.reset_errors();

        var form = button.closest('td').find('form.otgsi_site_key_form');
        button.closest('.enter_site_key_wrap_js').hide();

        form.show();
        form.find('input[name^=site_key_]').focus().val('');
        form.find('input').removeAttr('disabled');

        form.closest('.otgsi_register_product_wrap').addClass('otgsi_insert_key');

        return false;

    },

    hide_site_key_form: function () {
        var button = jQuery(this);
        var form = button.closest('td').find('form');
        form.hide();

        form.closest('.otgsi_register_product_wrap').removeClass('otgsi_insert_key').find('.enter_site_key_wrap_js').show();
        otgs_wp_installer.reset_errors();
        return false;
    },

    save_site_key: function () {

        var thisf = jQuery(this);
        var data = jQuery(this).serialize();
        jQuery(this).find('input').attr('disabled', 'disabled');

        var spinner = jQuery('<span class="spinner"></span>');
        spinner.css({display: 'inline-block', float: 'right', visibility: 'visible'}).prependTo(jQuery(this));

        otgs_wp_installer.reset_errors();

        jQuery.ajax({
            url: ajaxurl, type: 'POST', dataType: 'json', data: data, success:
                function (ret) {
                    if (!ret.data.error) {
                        otgs_wp_installer.saved_site_key();
                    } else {
                        otgs_wp_installer.show_error(thisf.find('[name=repository_id]').val(), ret.data.error);
                        thisf.find('input').removeAttr('disabled');
                    }

                    if (typeof ret.data.debug != 'undefined') {
                        thisf.append('<textarea style="width:100%" rows="20">' + ret.data.debug + '</textarea>');
                    }

                    spinner.remove();
                }
        });

        return false;

    },

    saved_site_key: function () {
        location.reload();
    },

    remove_site_key: function () {

        if (jQuery(this).attr('disabled') == 'disabled') {

            alert(jQuery(this).attr('title'));
            return false;

        } else {

            if (confirm(jQuery(this).data('confirmation'))) {

                jQuery('<span class="spinner"></span>').css({
                    visibility: 'visible',
                    float: 'none'
                }).prependTo(jQuery(this).parent());
                data = {
                    action: 'remove_site_key',
                    repository_id: jQuery(this).data('repository'),
                    nonce: jQuery(this).data('nonce')
                }
                jQuery.ajax({url: ajaxurl, type: 'POST', data: data, success: otgs_wp_installer.removed_site_key});
            }

        }

        return false;
    },

    removed_site_key: function () {
        location.reload();
    },

    update_site_key: function () {
        var error_wrap = jQuery(this).closest('.otgsi_register_product_wrap').find('.installer-error-box');
        error_wrap.html('');

        var spinner = jQuery('<span class="spinner"></span>');

        spinner.css({visibility: 'visible', float: 'none'}).insertAfter(jQuery(this));
        data = {
            action: 'update_site_key',
            repository_id: jQuery(this).data('repository'),
            nonce: jQuery(this).data('nonce')
        }
        jQuery.ajax({
            url: ajaxurl,
            type: 'POST',
            data: data,
            dataType: 'json',
            complete: function (event, xhr, settings) {
                var error = '';
                if (xhr == 'success') {
                    var ret = event.responseJSON;
                    if (ret.data.error) {
                        error = ret.data.error;
                    } else {
                        otgs_wp_installer.updated_site_key(ret);
                    }
                } else {
                    error = '<p>Error processing request (' + xhr + '). Please try again!</p>';
                }
                if (error) {
                    error_wrap.html(error).show();
                    spinner.remove();
                }

            }
        });

        return false;

    },

    updated_site_key: function (ret) {
        location.reload();
    },

    update_downloads_form: function () {

        var checked = jQuery('.otgsi_downloads_form :checkbox:checked[name="downloads[]"]').length;

        if (checked) {
            jQuery(this).closest('form').find(':submit, :checkbox[name=activate]').removeAttr('disabled');
        } else {
            jQuery(this).closest('form').find(':submit, :checkbox[name=activate]').attr('disabled', 'disabled');
        }


    },

    download_downloads: function () {

        var activate = jQuery(this).find(":checkbox:checked[name=activate]").val(),
            action_button = jQuery(this).find('input[type="submit"]'),
            activate_checkbox = jQuery(this).find(":checkbox[name=activate]"),
            downloads_form = jQuery(this),
            idx = 0,
            checkboxes = [];

        jQuery(this).find(':checkbox:checked[name="downloads[]"]').each(function () {
            if (jQuery(this).attr('disabled')) return;
            checkboxes[idx] = jQuery(this);
            idx++;
            jQuery(this).attr('disabled', 'disabled');
        });

        idx = 0;

        if (typeof checkboxes[idx] != 'undefined') {
            download_and_activate(checkboxes[idx]);
            action_button.attr('disabled', 'disabled');
            activate_checkbox.attr('disabled', 'disabled');
        }

        function download_and_activate(elem) {

            var this_tr = elem.closest('tr');
            var is_update = this_tr.find('.installer-red-text').length;
            if (is_update) {
                var installing = this_tr.find('.installer-status-updating');
                var installed = this_tr.find('.installer-status-updated');
            } else {
                var installing = this_tr.find('.installer-status-installing');
                var installed = this_tr.find('.installer-status-installed');

            }
            if (activate) {
                var activating = this_tr.find('.installer-status-activating');
                var activated = this_tr.find('.installer-status-activated');
            }

            if (this_tr.find('.for_spinner_js .spinner').length > 0) {
                var spinner = this_tr.find('.for_spinner_js .spinner');
            } else {
                var spinner = this_tr.find('.installer-status-downloading');
            }

            otgs_wp_installer.reset_errors();
            downloads_form.find('div.installer-status-success').hide();
            spinner.css('visibility', 'visible');
            installing.show();

            var plugin_name = this_tr.find('.installer_plugin_name').html();
            if (is_update) {
                otgs_wp_installer.show_download_progress_status(downloads_form, installer_strings.updating.replace('%s', plugin_name));
            } else {
                otgs_wp_installer.show_download_progress_status(downloads_form, installer_strings.installing.replace('%s', plugin_name));
            }


            data = {
                action: 'installer_download_plugin',
                data: elem.val(),
                activate: activate,
                reset_to_channel: downloads_form.find('input[name="reset-to-channel"]').val()
            }

            otgs_wp_installer.plugins_update_XHR = jQuery.ajax({
                url: ajaxurl,
                type: 'POST',
                dataType: 'json',
                data: data,
                success: function (ret) {
                    installing.hide();

                    if (!ret.success) {
                        installed.addClass('installer-status-error');
                        installed.html(
                            installed.data('fail') +
                            '<a class="error-details" href="#" title="' + ret.message + '"></a>'
                        );

                        if (ret.message) {
                            installed.closest('.otgs_wp_installer_table')
                                .find('.installer-error-box')
                                .html('<p>' + ret.message + '</p>')
                                .show();
                        } else {
                            installed.closest('.otgs_wp_installer_table')
                                .find('.installer-error-box')
                                .html('<p>' + downloads_form.find('.installer-revalidate-message').html() + '</p>')
                                .show();
                        }

                        downloads_form.trigger('installer-update-fail');
                    }

                    installed.show();
                    spinner.fadeOut();

                    if (ret.version) {
                        var updated_version = '<span class="installer-green-text">' + ret.version + '</span>';
                        if (ret.non_stable) {
                            updated_version += ' (' + ret.non_stable + ')';
                        }
                        this_tr.find('.installer_version_installed').html(updated_version);
                    }

                    if (ret.success && activate) {

                        otgs_wp_installer.show_download_progress_status(downloads_form, installer_strings.activating.replace('%s', plugin_name));
                        activating.show();
                        spinner.show();
                        this_tr.find('.installer-red-text').removeClass('installer-red-text').addClass('installer-green-text').html(ret.version);

                        jQuery.ajax({
                            url: ajaxurl,
                            type: 'POST',
                            dataType: 'json',
                            data: {action: 'installer_activate_plugin', plugin_id: ret.plugin_id, nonce: ret.nonce},
                            success: function (ret) {
                                activating.hide();
                                if (!ret.error) {
                                    activated.show();
                                }

                                spinner.fadeOut();

                                idx++;
                                if (typeof checkboxes[idx] != 'undefined') {
                                    download_and_activate(checkboxes[idx]);
                                } else {
                                    otgs_wp_installer.hide_download_progress_status(downloads_form);
                                    downloads_form.find('div.installer-status-success').show();

                                    var availableToDownloadCount = jQuery(this).find(':checkbox[name="downloads[]"]:not(:disabled)').length;
                                    if (availableToDownloadCount !== 0) {
                                        action_button.removeAttr('disabled');
                                        activate_checkbox.removeAttr('disabled');
                                    }

                                    downloads_form.trigger('installer-update-complete');
                                }
                            }
                        });
                    } else {
                        idx++;
                        if (typeof checkboxes[idx] != 'undefined') {
                            download_and_activate(checkboxes[idx]);
                        } else {
                            otgs_wp_installer.hide_download_progress_status(downloads_form);
                            downloads_form.find('div.installer-status-success').show();
                            action_button.removeAttr('disabled');

                            downloads_form.trigger('installer-update-complete');

                        }
                    }
                }

            });

        };

        return false;
    },

    show_download_progress_status: function (downloads_form, text) {

        downloads_form.find('.installer-download-progress-status').html(text).fadeIn();

    },

    hide_download_progress_status: function (downloads_form) {

        downloads_form.find('.installer-download-progress-status').html('').fadeOut();

    },

    toggle_subpackages: function () {
        var list = jQuery(this).closest('td').find('.otgs_wp_installer_subtable');

        if (list.is(':visible')) {
            list.slideUp('fast');
        } else {
            list.slideDown('fast');
        }


        return false;

    },

    scroll_to_repository: function () {

        var ref = otgs_wp_installer.sanitize(window.location.hash).replace('#', '');

        if (ref) {
            var split = ref.split('/');
            var repo = split[0];

            if (typeof split[1] != 'undefined') {
                var package = split[1];
                var repo_element = jQuery('#repository-' + repo);


                if (repo_element.length) {

                    jQuery('html, body').animate({
                        scrollTop: repo_element.offset().top
                    }, 1000);

                    var package_element = jQuery('#repository-' + repo + '_' + package);

                    if (package_element.length && !package_element.is(':visible')) {
                        package_element.parents('.otgs_wp_installer_subtable').slideDown();
                        package_element.addClass('installer_highlight_package');
                    }

                    package_element.find('.button-secondary').removeClass('button-secondary').addClass('button-primary');
                }
            }

        }

    },

    toggle_release_notes: function () {
        var handle = jQuery(this);
        var tr = handle.closest('tr');
        if (tr.next('.installer-release-notes').is(':visible')) {
            handle.removeClass('extended');
        } else {
            handle.addClass('extended');
        }
        tr.next('.installer-release-notes').fadeToggle();

        return false;
    },

    maybe_register: function () {
        var getQueryStringValue = function (key) {
            return decodeURIComponent(otgs_wp_installer.sanitize(window.location.search).replace(new RegExp("^(?:.*[&\\?]" + encodeURIComponent(key).replace(/[\.\+\*]/g, "\\$&") + "(?:\\=([^&]*))?)?.*$", "i"), "$1"));
        };
        if (getQueryStringValue('action') === 'register') {
            var repo = getQueryStringValue('repository'),
                sitekey = getQueryStringValue('sitekey'),
                repoElement = jQuery('#installer_repo_' + repo);

            repoElement.find('.enter_site_key_js').trigger('click');
            jQuery('html, body').animate({
                scrollTop: repoElement.offset().top
            }, 1000);
            if (sitekey) {
                repoElement.find('input[name="site_key_' + repo + '"]').val(sitekey).focus();
            }
        }
    },

    check_account: function (data, onFound, onError) {
        jQuery.ajax(
            {
                url: ajaxurl,
                type: 'POST',
                dataType: 'json',
                data: data,
                success: onFound,
                error: onError
            }
        );
    }

}


jQuery(document).ready(otgs_wp_installer.init);
