/**
 * Organisations widget.  Sets up dropdowns, modals, etc for a table of organisations.
 */

/**
 * Set up the form in a modal after being successfully attached to the body.
 */
function attachOrganisationForm() {
    $("body").on('renderSuccess.ufModal', function(data) {
        var modal = $(this).ufModal('getModal');
        var form = modal.find('.js-form');

        /**
         * Set up modal widgets
         */
        // Set up any widgets inside the modal
        form.find(".js-select2").select2({
            width: '100%'
        });

        // Auto-generate slug
        form.find('input[name=name]').on('input change', function() {
            var manualSlug = form.find('#form-organisation-slug-override').prop('checked');
            if (!manualSlug) {
                var slug = getSlug($(this).val());
                form.find('input[name=slug]').val(slug);
            }
        });

        form.find('#form-organisation-slug-override').on('change', function() {
            if ($(this).prop('checked')) {
                form.find('input[name=slug]').prop('readonly', false);
            } else {
                form.find('input[name=slug]').prop('readonly', true);
                form.find('input[name=name]').trigger('change');
            }
        });

        // Set up the form for submission
        form.ufForm({
            validator: page.validators
        }).on("submitSuccess.ufForm", function() {
            // Reload page on success
            window.location.reload();
        });
    });
}

/**
 * Approve/Deny organisation registration
 */
function approveOrganisationRegistration(slug, approve, options) {
    var data = {};
    data[site.csrf.keys.name] = site.csrf.name;
    data[site.csrf.keys.value] = site.csrf.value;

    var url = site.uri.public + '/api/organisations/o/' + slug + '/registration/' + (approve ? 'approve' : 'deny');
    var debugAjax = (typeof site !== "undefined") && site.debug.ajax;

    return $.ajax({
        type: "PUT",
        url: url,
        data: data,
        dataType: debugAjax ? 'html' : 'json',
    }).fail(function(jqXHR) {
        // Error messages
        if (debugAjax && jqXHR.responseText) {
            document.write(jqXHR.responseText);
            document.close();
        } else {
            console.log("Error (" + jqXHR.status + "): " + jqXHR.responseText);

            // Display errors on failure
            // TODO: ufAlerts widget should have a 'destroy' method
            if (!$("#alerts-page").data('ufAlerts')) {
                $("#alerts-page").ufAlerts();
            } else {
                $("#alerts-page").ufAlerts('clear');
            }

            $("#alerts-page").ufAlerts('fetch').ufAlerts('render');
        }

        return jqXHR;
    }).done(function(response) {
        if (!approve && options.delete_redirect) window.location.href = options.delete_redirect;
        else window.location.reload();
    });
}

/**
 * Restore a deleted organisation
 */
function restoreOrganisation(slug, options) {
    var data = {};
    data[site.csrf.keys.name] = site.csrf.name;
    data[site.csrf.keys.value] = site.csrf.value;

    var url = site.uri.public + '/api/organisations/o/' + slug + '/restore';
    var debugAjax = (typeof site !== "undefined") && site.debug.ajax;

    return $.ajax({
        type: "PUT",
        url: url,
        data: data,
        dataType: debugAjax ? 'html' : 'json',
    }).fail(function(jqXHR) {
        // Error messages
        if (debugAjax && jqXHR.responseText) {
            document.write(jqXHR.responseText);
            document.close();
        } else {
            console.log("Error (" + jqXHR.status + "): " + jqXHR.responseText);

            // Display errors on failure
            // TODO: ufAlerts widget should have a 'destroy' method
            if (!$("#alerts-page").data('ufAlerts')) {
                $("#alerts-page").ufAlerts();
            } else {
                $("#alerts-page").ufAlerts('clear');
            }

            $("#alerts-page").ufAlerts('fetch').ufAlerts('render');
        }

        return jqXHR;
    }).done(function(response) {
      window.location.reload();
    });
}

/**
 * Link organisation action buttons, for example in a table or on a specific organisation's page.
 * @param {module:jQuery} el jQuery wrapped element to target.
 * @param {{delete_redirect: string}} options Options used to modify behaviour of button actions.
 */
function bindOrganisationButtons(el, options) {
    if (!options) options = {};

    /**
     * Link row buttons after table is loaded.
     */

    /**
     * Buttons that launch a modal dialog
     */
    // Edit organisation details button
    el.find('.js-organisation-edit').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/edit",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        attachOrganisationForm();
    });

    // Manage organisation merge button
    el.find('.js-organisation-merge').click(function(e) {
        e.preventDefault();

        var organisation_slug = $(this).data('slug');

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/merge",
            ajaxParams: {
                slug: organisation_slug
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function(data) {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            var dropdownTemplate = modal.find('#organisation-select-option').html();

            // Set up select2 dropdown
            var dropdownControl = modal.find('.js-select-new');
            _dropdownTemplateCompiled = Handlebars.compile(dropdownTemplate);
            var options = {
                ajax: {
                    url: site.uri.public + '/api/organisations',
                    processResults: function (data) {
                        var items = data.rows.filter((i) =>  i.slug != organisation_slug);
                        return {
                            results: items.map((i) => { return {
                                id: i.slug,
                                text: i.name,
                                name: i.name,
                                description: i.description,
                                slug: i.slug
                            }})
                        };
                    }
                },
                placeholder: "Select an organisation to merge with",
                selectOnClose: true,
                templateResult: $.proxy(function(item) {
                    // Must wrap this in a jQuery selector to render as HTML
                    return $(_dropdownTemplateCompiled(item));
                }, this)
            };
            dropdownControl.select2(options);

            // Set up form for submission
            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Reload page on success
                    window.location.reload();
                });
        });
    });

    // Join organisation button
    el.find('.js-organisation-join').click(function(e) {
        e.preventDefault();

        var data = {};
        data[site.csrf.keys.name] = site.csrf.name;
        data[site.csrf.keys.value] = site.csrf.value;

        var url = site.uri.public + '/api/organisations/o/' + $(this).data('slug') + '/members';
        var debugAjax = (typeof site !== "undefined") && site.debug.ajax;

        return $.ajax({
            type: "POST",
            url: url,
            data: data,
            dataType: debugAjax ? 'html' : 'json',
        }).fail(function(jqXHR) {
            // Error messages
            if (debugAjax && jqXHR.responseText) {
                document.write(jqXHR.responseText);
                document.close();
            } else {
                console.log("Error (" + jqXHR.status + "): " + jqXHR.responseText);

                // Display errors on failure
                // TODO: ufAlerts widget should have a 'destroy' method
                if (!$("#alerts-page").data('ufAlerts')) {
                    $("#alerts-page").ufAlerts();
                } else {
                    $("#alerts-page").ufAlerts('clear');
                }

                $("#alerts-page").ufAlerts('fetch').ufAlerts('render');
            }

            return jqXHR;
        }).done(function(response) {
          window.location.reload();
        });
    });

    // Cancel a registration request
    el.find('.js-organisation-cancelJoin').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/o/" + $(this).data('slug') + "/members/confirm-cancel",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function() {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Navigate or reload page on success
                    if (options.delete_redirect) window.location.href = options.delete_redirect;
                    else window.location.reload();
                });
        });
    });


    // Leave organisation button
    el.find('.js-organisation-leave').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/o/" + $(this).data('slug') + "/members/confirm-leave",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function() {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Navigate or reload page on success
                    if (options.leave_redirect) window.location.href = options.leave_redirect;
                    else window.location.reload();
                });
        });
    });

    // Cancel a registration request
    el.find('.js-organisation-cancelRegistration').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/registration/confirm-cancel",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function() {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Navigate or reload page on success
                    if (options.delete_redirect) window.location.href = options.delete_redirect;
                    else window.location.reload();
                });
        });
    });

    // Cancel a registration request
    el.find('.js-organisation-approveRegistration').click(function(e) {
        e.preventDefault();

        approveOrganisationRegistration($(this).data('slug'), true, options);
    });

    // Cancel a registration request
    el.find('.js-organisation-denyRegistration').click(function(e) {
        e.preventDefault();

        approveOrganisationRegistration($(this).data('slug'), false, options);
    });

    // Delete organisation button
    el.find('.js-organisation-delete').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/confirm-delete",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function() {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Navigate or reload page on success
                    if (options.delete_redirect) window.location.href = options.delete_redirect;
                    else window.location.reload();
                });
        });
    });


    // View the deleted organisations page
    el.find('.js-organisation-viewDeleted').click(function(e) {
        e.preventDefault();

        window.location.href = site.uri.public + '/organisations/deleted';
    });

    // Permenetly delete organisation button
    el.find('.js-organisation-permenentDelete').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/confirm-permenent-delete",
            ajaxParams: {
                slug: $(this).data('slug')
            },
            msgTarget: $("#alerts-page")
        });

        $("body").on('renderSuccess.ufModal', function() {
            var modal = $(this).ufModal('getModal');
            var form = modal.find('.js-form');

            form.ufForm()
                .on("submitSuccess.ufForm", function() {
                    // Navigate or reload page on success
                    if (options.delete_redirect) window.location.href = options.delete_redirect;
                    else window.location.reload();
                });
        });
    });

    // Permenetly delete organisation button
    el.find('.js-organisation-restore').click(function(e) {
        e.preventDefault();

        restoreOrganisation($(this).data('slug'), options);
    });

    // Return from the deleted organisations page
    el.find('.js-organisation-return').click(function(e) {
        e.preventDefault();

        window.location.href = site.uri.public + '/organisations';
    });
}

function bindOrganisationCreationButton(el) {
    // Link create button
    el.find('.js-organisation-create').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/create",
            msgTarget: $("#alerts-page")
        });

        attachOrganisationForm();
    });
};

function bindOrganisationRegistrationButton(el) {
    // Link create button
    el.find('.js-organisation-register').click(function(e) {
        e.preventDefault();

        $("body").ufModal({
            sourceUrl: site.uri.public + "/modals/organisations/register",
            msgTarget: $("#alerts-page")
        });

        attachOrganisationForm();
    });
};