/*  Authors:
 *    Adam Young <ayoung@redhat.com>
 *    Petr Vobornik <pvoborni@redhat.com>
 *
 * Copyright (C) 2010 Red Hat
 * see file 'COPYING' for use and warranty information
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/* CURRENTLY ALSO REQUIRES search.js, because it reuses it's code to create
 * the AssociationList elements; IT NEEDS IT'S OWN CODE! */

define(['./ipa', './jquery', './navigation', './text', './search', './dialog'],
       function(IPA, $, navigation, text) {

IPA.associator = function (spec) {

    spec = spec || {};

    var that = {};

    that.entity = IPA.get_entity(spec.entity);
    that.pkey = spec.pkey;

    that.other_entity = IPA.get_entity(spec.other_entity);
    that.values = spec.values;

    that.method = spec.method;

    that.on_success = spec.on_success;
    that.on_error = spec.on_error;

    that.execute = function() {
    };

    return that;
};


/**
 * This associator is built for the case where each association requires a separate rpc
 */
IPA.serial_associator = function(spec) {

    spec = spec || {};

    var that = IPA.associator(spec);

    that.execute = function() {

        if (!that.values || !that.values.length) {
            that.on_success();
            return;
        }

        var batch = IPA.batch_command({
            on_success: that.on_success,
            on_error: that.on_error
        });

        var args, options, command;

        for(var i=0; i < that.values.length; i++) {
            args = [that.values[i]];
            options = {};
            options[that.entity.name] = that.pkey;

            command = IPA.command({
                entity: that.other_entity.name,
                method: that.method,
                args: args,
                options: options
            });

            batch.add_command(command);
        }
        //alert(JSON.stringify(command.to_json()));

        batch.execute();
    };

    return that;
};

/**
 * This associator is for the common case where all the asociations can be sent
 * in a single rpc
 */
IPA.bulk_associator = function(spec) {

    spec = spec || {};

    var that = IPA.associator(spec);

    that.execute = function() {

        if (!that.values || !that.values.length) {
            that.on_success();
            return;
        }

        var command = IPA.command({
            entity: that.entity.name,
            method: that.method,
            args: [that.pkey],
            options: { 'all': true },
            on_success: that.on_success,
            on_error: that.on_error
        });

        command.set_option(that.other_entity.name, that.values);

        //alert(JSON.stringify(command.to_json()));

        command.execute();
    };

    return that;
};

/**
 * This dialog is for adding value of multivalued attribute which behaves like
 * association attribute.
 */
IPA.attribute_adder_dialog = function(spec) {

    spec = spec || {};

    spec.name = spec.name || 'attr_adder_dialog';
    spec.method = spec.method || 'add_member';

    var metadata = IPA.get_command_option(spec.entity.name+'_'+spec.method, spec.attribute);

    spec.fields = spec.fields || [
        {
            name: spec.attribute,
            metadata: metadata,
            required: true
        }
    ];
    spec.title = spec.title || IPA.messages.dialogs.add_title.replace('${entity}', metadata.label);
    spec.subject = metadata.label;

    var that = IPA.entity_adder_dialog(spec);
    that.pkeys = spec.pkeys || [];

    that.create_add_command = function(record) {

        var command = that.entity_adder_dialog_create_add_command(record);

        command.add_args(that.pkeys);

        return command;
    };

    that.create_buttons = function() {

        that.buttons.remove('add_and_edit');
    };

    that.on_add = function() {

        that.hide_message();
        that.add(
            function(data, text_status, xhr) {
                if (data.result.completed > 0) {
                    that.added.notify();
                    that.close();
                    that.notify_success(data);
                }
            },
            that.on_error);
    };

    that.create_buttons();

    return that;
};

/**
 * This dialog is used for adding associations between two entities.
 */
IPA.association_adder_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.adder_dialog(spec);

    that.entity = IPA.get_entity(spec.entity);
    that.pkey = spec.pkey;

    that.other_entity = IPA.get_entity(spec.other_entity);
    that.attribute_member = spec.attribute_member;

    that.exclude = spec.exclude || [];

    var init = function() {
        if (!that.get_columns().length) {
            var pkey_name = that.other_entity.metadata.primary_key;
            that.create_column({
                entity: that.entity,
                name: pkey_name,
                label: that.other_entity.metadata.label,
                primary_key: true,
                width: '600px'
            });
        }
    };

    that.search = function() {
        function on_success(data, text_status, xhr) {

            that.clear_available_values();

            var pkey_attr = that.other_entity.metadata.primary_key;

            var selected = that.get_selected_values();

            var results = data.result;
            var same_entity = that.entity === that.other_entity;
            for (var i=0; i<results.count; i++) {
                var result = results.result[i];
                var pkey = result[pkey_attr][0];

                if (same_entity && pkey === that.pkey) continue;
                if (that.exclude.indexOf(pkey) >= 0) continue;
                if (selected.indexOf(pkey) >= 0) continue;

                that.add_available_value(result);
            }
        }

        var options = { all: true };
        var relationships = that.other_entity.metadata.relationships;

        /* TODO: better generic handling of different relationships! */
        var other_attribute_member = '';
        if (that.attribute_member == 'member')
            other_attribute_member = 'memberof';
        else if (that.attribute_member == 'memberuser')
            other_attribute_member = 'memberof';
        else if (that.attribute_member == 'memberhost')
            other_attribute_member = 'memberof';
        else if (that.attribute_member == 'memberof')
            other_attribute_member = 'member';
        else if (that.attribute_member == 'managedby')
            other_attribute_member = 'managing';

        var relationship = relationships[other_attribute_member];
        if (relationship) {
            var param_name = relationship[2] + that.entity.name;
            var cmd_opt = IPA.get_command_option(that.other_entity.name + '_find',
                                                 param_name);
            if (cmd_opt) {
                options[param_name] = that.pkey;
            }
        }

        IPA.command({
            entity: that.other_entity.name,
            method: 'find',
            args: [that.get_filter()],
            options: options,
            on_success: on_success
        }).execute();
    };

    init();

    return that;
};


/**
 * This dialog is used for removing associations between two entities.
 */
IPA.association_deleter_dialog = function (spec) {

    spec = spec || {};

    var that = IPA.deleter_dialog(spec);

    that.entity = IPA.get_entity(spec.entity);
    that.pkey = spec.pkey;

    that.other_entity = IPA.get_entity(spec.other_entity);
    that.values = spec.values;

    that.associator = spec.associator;
    that.method = spec.method || 'remove_member';

    that.on_success = spec.on_success;
    that.on_error = spec.on_error;

    that.execute = function() {

        var associator = that.associator({
            entity: that.entity,
            pkey: that.pkey,
            other_entity: that.other_entity,
            values: that.values,
            method: that.method,
            on_success: that.on_success,
            on_error: that.on_error
        });

        associator.execute();
    };

    return that;
};


IPA.association_config = function (spec) {

    spec = spec || {};

    var that = {};

    that.name = spec.name;
    that.associator = spec.associator;
    that.add_method = spec.add_method;
    that.remove_method = spec.remove_method;

    return that;
};

IPA.association_table_widget = function (spec) {

    spec = spec || {};

    var index = spec.name.indexOf('_');
    spec.attribute_member = spec.attribute_member || spec.name.substring(0, index);
    spec.other_entity = spec.other_entity || spec.name.substring(index+1);

    spec.managed_entity = IPA.get_entity(spec.other_entity);

    var that = IPA.table_widget(spec);

    that.other_entity = IPA.get_entity(spec.other_entity);
    that.attribute_member = spec.attribute_member;

    that.associator = spec.associator || IPA.bulk_associator;
    that.add_method = spec.add_method || 'add_member';
    that.remove_method = spec.remove_method || 'remove_member';

    that.add_title = text.get(spec.add_title || '@i18n:association.add.member');
    that.remove_title = text.get(spec.remove_title || '@i18n:association.remove.member');

    that.adder_columns = $.ordered_map();

    that.needs_refresh = IPA.observer();

    that.get_adder_column = function(name) {
        return that.adder_columns.get(name);
    };

    that.add_adder_column = function(column) {
        that.adder_columns.put(column.name, column);
    };

    that.create_adder_column = function(spec) {
        spec.entity = that.other_entity;
        var column = IPA.column(spec);
        that.add_adder_column(column);
        return column;
    };

    that.create_columns = function() {
        // create a column if none defined
        if (!that.columns.length) {
            that.create_column({
                name: that.name,
                label: that.label,
                entity: that.other_entity,
                primary_key: true,
                link: true
            });
        }
    };

    that.init_columns = function() {
        var column;
        var columns = that.columns.values;
        for (var i=0; i<columns.length; i++) {
            column = columns[i];
            column.entity = that.other_entity;

            if (column.link) {
                column.link_handler = function(value) {
                    navigation.show_entity(that.other_entity.name, 'default', [value]);
                    return false;
                };
            }
        }
    };

    that.init_adder_columns = function() {
        var column;
        var adder_columns = that.adder_columns.values;
        for (var j=0; j<adder_columns.length; j++) {
            column = adder_columns[j];
            column.entity = that.other_entity;
        }
    };

    that.init = function() {

        that.create_columns();
        that.init_columns();
        that.init_adder_columns();
    };

    that.create = function(container) {

        that.init();

        that.table_create(container);

        that.remove_button = IPA.action_button({
            name: 'remove',
            label: IPA.messages.buttons.remove,
            icon: 'remove-icon',
            'class': 'action-button-disabled',
            click: function() {
                if (!that.remove_button.hasClass('action-button-disabled')) {
                    that.remove_handler();
                }
                return false;
            }
        }).appendTo(that.buttons);

        that.add_button = IPA.action_button({
            name: 'add',
            label: IPA.messages.buttons.add,
            icon: 'add-icon',
            click: function() {
                if (!that.add_button.hasClass('action-button-disabled')) {
                    that.add_handler();
                }
                return false;
            }
        }).appendTo(that.buttons);
    };

    that.add_handler = function() {
        var facet = that.entity.get_facet();

        if (facet.is_dirty()) {
            var dialog = IPA.dirty_dialog({
                entity:that.entity,
                facet: facet
            });

            dialog.callback = function() {
                that.show_add_dialog();
            };

            dialog.open(that.container);

        } else {
            that.show_add_dialog();
        }
    };

    that.remove_handler = function() {
        var facet = that.entity.get_facet();

        if (facet.is_dirty()) {
            var dialog = IPA.dirty_dialog({
                entity:that.entity,
                facet: facet
            });

            dialog.callback = function() {
                that.show_remove_dialog();
            };

            dialog.open(that.container);

        } else {
            that.show_remove_dialog();
        }
    };

    that.set_enabled = function(enabled) {
        that.table_set_enabled(enabled);
        if (enabled) {
            if(that.add_button) {
                that.add_button.removeClass('action-button-disabled');
            }
        } else {
            $('.action-button', that.table).addClass('action-button-disabled');
            that.unselect_all();
        }
        that.enabled = enabled;
    };

    that.select_changed = function() {

        var values = that.get_selected_values();

        if (that.remove_button) {
            if (values.length === 0) {
                that.remove_button.addClass('action-button-disabled');
            } else {
                that.remove_button.removeClass('action-button-disabled');
            }
        }
    };

    that.load = function(result) {
        that.values = result[that.name] || [];
        that.update();
        that.unselect_all();
    };

    that.update = function(values) {

        if (values) that.values = values;

        that.empty();

        var i;
        var columns = that.columns.values;
        if (columns.length == 1) { // show pkey only
            var name = columns[0].name;
            for (i=0; i<that.values.length; i++) {
                var record = {};
                record[name] = that.values[i];
                that.add_record(record);
            }
        } else {
            for (i=0; i<that.values.length; i++) {
                that.add_record(that.values[i]);
            }
        }
    };

    that.create_add_dialog = function() {

        var entity_label = that.entity.metadata.label_singular;
        var pkey = that.facet.get_pkey();
        var other_entity_label = that.other_entity.metadata.label;

        var title = that.add_title;
        title = title.replace('${entity}', entity_label);
        title = title.replace('${primary_key}', pkey);
        title = title.replace('${other_entity}', other_entity_label);

        return IPA.association_adder_dialog({
            title: title,
            entity: that.entity,
            pkey: pkey,
            other_entity: that.other_entity,
            attribute_member: that.attribute_member,
            method: that.add_method,
            exclude: that.values
        });
    };

    that.show_add_dialog = function() {

        var dialog = that.create_add_dialog({entity:that.entity});

        var columns = that.adder_columns.values;
        if (columns.length) {
            dialog.set_columns(columns);
        }

        dialog.execute = function() {
            that.add(
                dialog.get_selected_values(),
                function() {
                    that.refresh();
                    dialog.close();
                    IPA.notify_success(IPA.messages.association.added);
                },
                function() {
                    that.refresh();
                    dialog.close();
                }
            );
        };

        dialog.open(that.container);
    };

    that.add = function(values, on_success, on_error) {

        var pkey = that.facet.get_pkey();

        var command = IPA.command({
            entity: that.entity.name,
            method: that.add_method,
            args: [pkey],
            on_success: on_success,
            on_error: on_error
        });
        command.set_option(that.other_entity.name, values);

        command.execute();
    };

    that.show_remove_dialog = function() {

        var selected_values = that.get_selected_values();

        if (!selected_values.length) {
            var message = IPA.messages.dialogs.remove_empty;
            alert(message);
            return;
        }

        var entity_label = that.entity.metadata.label_singular;
        var pkey = that.facet.get_pkey();
        var other_entity_label = that.other_entity.metadata.label;

        var title = that.remove_title;
        title = title.replace('${entity}', entity_label);
        title = title.replace('${primary_key}', pkey);
        title = title.replace('${other_entity}', other_entity_label);

        var dialog = IPA.association_deleter_dialog({
            title: title,
            entity: that.entity,
            pkey: pkey,
            other_entity: that.other_entity,
            values: selected_values,
            method: that.remove_method
        });

        dialog.execute = function() {
            that.remove(
                selected_values,
                function() {
                    that.refresh();
                    IPA.notify_success(IPA.messages.association.removed);
                },
                function() {
                    that.refresh();
                }
            );
        };


        dialog.open(that.container);
    };

    that.remove = function(values, on_success, on_error) {

        var pkey = that.facet.get_pkey();

        var command = IPA.command({
            entity: that.entity.name,
            method: that.remove_method,
            args: [pkey],
            on_success: on_success,
            on_error: on_error
        });

        command.set_option(that.other_entity.name, values);

        command.execute();
    };

    that.refresh = function() {

        that.needs_refresh.notify([], that);
    };

    /*initialization code*/
    /*this is duplicated in the facet... should be unified*/
    var i;
    if (spec.columns){
        for (i = 0; i < spec.columns.length; i+= 1){
            spec.columns[i].entity = spec.columns[i].entity || that.other_entity;
            that.create_column(spec.columns[i]);
        }
    }
    if (spec.adder_columns){
        for (i = 0; i < spec.adder_columns.length; i+= 1){
            that.create_adder_column(spec.adder_columns[i]);
        }
    }

    // methods that should be invoked by subclasses
    that.association_table_widget_create_columns = that.create_columns;
    that.association_table_widget_show_add_dialog = that.show_add_dialog;
    that.association_table_widget_show_remove_dialog = that.show_remove_dialog;

    return that;
};

IPA.association_table_field = function (spec) {

    spec = spec || {};

    var that = IPA.field(spec);

    that.refresh = function() {

        function on_success(data, text_status, xhr) {
            that.load(data.result.result);
        }

        function on_error(xhr, text_status, error_thrown) {
            that.widget.summary.text(error_thrown.name+': '+error_thrown.message);
        }

        var pkey = that.facet.get_pkey();
        IPA.command({
            entity: that.entity.name,
            method: 'show',
            args: [pkey],
            options: { all: true, rights: true },
            on_success: on_success,
            on_error: on_error
        }).execute();
    };

    that.widgets_created = function() {

        that.field_widgets_created();
        that.widget.needs_refresh.attach(that.refresh);
    };

    return that;
};

IPA.widget_factories['association_table'] = IPA.association_table_widget;
IPA.field_factories['association_table'] = IPA.association_table_field;


IPA.association_facet = function (spec, no_init) {

    spec = spec || {};

    /*
       Link parameter is used to turn off the links in selfservice mode.
       Default it to true if not set so that facets that would not otherwise
       link by default get links set.

       link must be set before the call to the base class, to affect the  table.
     */
    spec.link = spec.link === undefined ? true : spec.link;
    spec.managed_entity = IPA.get_entity(spec.other_entity);


    //default buttons and their actions
    spec.actions = spec.actions || [];
    spec.actions.unshift(
        IPA.refresh_action,
        {
            name: 'remove',
            hide_cond: ['read-only'],
            show_cond: ['direct'],
            enable_cond: ['item-selected'],
            handler: function(facet) {
                facet.show_remove_dialog();
            }
        },
        {
            name: 'add',
            hide_cond: ['read-only'],
            show_cond: ['direct'],
            handler: function(facet) {
                facet.show_add_dialog();
            }
        }
    );

    spec.control_buttons = spec.control_buttons || [];
    spec.control_buttons.unshift(
        {
            name: 'refresh',
            label: IPA.messages.buttons.refresh,
            icon: 'reset-icon'
        },
        {
            name: 'remove',
            label: IPA.messages.buttons.remove,
            icon: 'remove-icon'
        },
        {
            name: 'add',
            label: IPA.messages.buttons.add,
            icon: 'add-icon'
        });

    spec.state = spec.state || {};
    spec.state.evaluators = spec.state.evaluators || [];
    spec.state.evaluators.push(
        IPA.selected_state_evaluator,
        IPA.association_type_state_evaluator,
        IPA.read_only_state_evaluator);

    var that = IPA.table_facet(spec, true);

    that.attribute_member = spec.attribute_member;
    that.indirect_attribute_member = spec.indirect_attribute_member;

    that.other_entity = IPA.get_entity(spec.other_entity);

    that.association_type = 'direct';
    that.facet_group = spec.facet_group;

    that.read_only = spec.read_only;

    that.associator = spec.associator || IPA.bulk_associator;
    that.add_method = spec.add_method || 'add_member';
    that.remove_method = spec.remove_method || 'remove_member';

    that.add_title = text.get(spec.add_title || '@i18n:association.add.member');
    that.remove_title = text.get(spec.remove_title || '@i18n:association.remove.member');

    that.adder_columns = $.ordered_map();

    that.get_adder_column = function(name) {
        return that.adder_columns.get(name);
    };

    that.add_adder_column = function(column) {
        column.entity = that.other_entity;
        that.adder_columns.put(column.name, column);
    };

    /*TODO try to reuse the association_table_widget in association_facet*/
    that.create_adder_column = function(spec) {
        var column;
        var factory;
        if (spec instanceof Object) {
            factory = spec.factory || IPA.column;
        } else {
            factory  = IPA.column;
            spec = { name: spec };
        }
        spec.entity = that.other_entity;
        column = factory(spec);
        that.add_adder_column(column);
        return column;
    };

    var init = function() {

        var column;
        var i;

        var pkey_name;
        if (that.other_entity) {
            pkey_name = that.other_entity.metadata.primary_key;
        }

        if (!that.columns.length){
            that.create_column({
                name: pkey_name
            });
        }

        var columns = that.columns.values;
        for (i=0; i<columns.length; i++) {
            column = columns[i];
            column.link = spec.link;
        }

        that.init_table(that.other_entity);

        var adder_columns = spec.adder_columns || [];
        for (i=0; i<adder_columns.length; i++) {
            that.create_adder_column(adder_columns[i]);
        }

        if (!that.adder_columns.length) {
            that.create_adder_column({
                name: pkey_name,
                primary_key: true
            });
        }

        adder_columns = that.adder_columns.values;
        for (i=0; i<adder_columns.length; i++) {
            column = adder_columns[i];
            column.entity = that.other_entity;
        }
    };

    that.get_records_command_name = function() {
        return that.entity.name+'_'+that.get_attribute_name();
    };

    that.create_header = function(container) {

        that.facet_create_header(container);

        if (that.indirect_attribute_member) {

            var div = $('<div/>', {
                'class': 'right-aligned-facet-controls'
            }).appendTo(that.controls);

            div.append(IPA.messages.association.show_results);
            div.append(' ');

            var name = that.entity.name+'-'+that.attribute_member+'-'+that.other_entity.name+'-type-radio';
            var direct_id = name + '-direct';

            that.direct_radio = $('<input/>', {
                id: direct_id,
                type: 'radio',
                name: name,
                value: 'direct',
                click: function() {
                    that.association_type = $(this).val();
                    that.refresh();
                    return true;
                }
            }).appendTo(div);

            $('<label/>', {
                text: IPA.messages.association.direct_membership,
                'for': direct_id
            }).appendTo(div);

            div.append(' ');

            var indirect_id = name + '-indirect';

            that.indirect_radio = $('<input/>', {
                id: indirect_id,
                type: 'radio',
                name: name,
                value: 'indirect',
                click: function() {
                    that.association_type = $(this).val();
                    that.refresh();
                    return true;
                }
            }).appendTo(div);

            $('<label/>', {
                text: IPA.messages.association.indirect_membership,
                'for': indirect_id
            }).appendTo(div);
        }

        that.create_control_buttons(that.controls);
    };

    that.get_attribute_name = function() {
        if (that.association_type == 'direct') {
            return that.attribute_member+'_'+that.other_entity.name;
        } else {
            return that.indirect_attribute_member+'_'+that.other_entity.name;
        }
    };

    that.show = function() {
        that.facet_show();
        var pkey = that.get_pkey();
        that.header.set_pkey(pkey);
    };

    that.show_add_dialog = function() {

        var entity_label = that.entity.metadata.label_singular;
        var pkey = that.get_pkey();
        var other_entity_label = that.other_entity.metadata.label;

        var title = that.add_title;
        title = title.replace('${entity}', entity_label);
        title = title.replace('${primary_key}', pkey);
        title = title.replace('${other_entity}', other_entity_label);

        var pkeys = that.data.result.result[that.get_attribute_name()];

        var dialog = IPA.association_adder_dialog({
            title: title,
            entity: that.entity,
            pkey: pkey,
            other_entity: that.other_entity,
            attribute_member: that.attribute_member,
            exclude: pkeys
        });

        var adder_columns = that.adder_columns.values;
        if (adder_columns.length) {
            dialog.set_columns(adder_columns);
        }

        dialog.execute = function() {

            var pkey = that.get_pkey();

            var associator = that.associator({
                entity: that.entity,
                pkey: pkey,
                other_entity: that.other_entity,
                values: dialog.get_selected_values(),
                method: that.add_method,
                on_success: function() {
                    that.refresh();
                    dialog.close();
                    IPA.notify_success(IPA.messages.association.added);
                },
                on_error: function() {
                    that.refresh();
                    dialog.close();
                }
            });

            associator.execute();
        };

        dialog.open(that.container);
    };

    that.show_remove_dialog = function() {

        var values = that.table.get_selected_values();

        if (!values.length) {
            var message = IPA.messages.dialogs.remove_empty;
            alert(message);
            return;
        }

        var entity_label = that.entity.metadata.label_singular;
        var pkey = that.get_pkey();
        var other_entity_label = that.other_entity.metadata.label;

        var title = that.remove_title;
        title = title.replace('${entity}', entity_label);
        title = title.replace('${primary_key}', pkey);
        title = title.replace('${other_entity}', other_entity_label);

        var dialog = IPA.association_deleter_dialog({
            title: title,
            entity: that.entity,
            pkey: pkey,
            other_entity: that.other_entity,
            values: values
        });

        dialog.execute = function() {

            var associator = that.associator({
                entity: that.entity,
                pkey: pkey,
                other_entity: that.other_entity,
                values: values,
                method: that.remove_method,
                on_success: function() {
                    that.refresh();
                    IPA.notify_success(IPA.messages.association.removed);
                },
                on_error: function() {
                    that.refresh();
                }
            });

            associator.execute();
        };

        dialog.open(that.container);
    };

    that.get_records_map = function(data) {

        var records_map = $.ordered_map();
        var association_name = that.get_attribute_name();
        var pkey_name = that.managed_entity.metadata.primary_key;

        var pkeys = data.result.result[association_name];
        for (var i=0; pkeys && i<pkeys.length; i++) {
            var pkey = pkeys[i];
            var record = {};
            record[pkey_name] = pkey;
            records_map.put(pkey, record);
        }

        return records_map;
    };

    that.refresh = function() {

        if (that.association_type == 'direct') {
            if (that.direct_radio) that.direct_radio.prop('checked', true);
        } else {
            if (that.indirect_radio) that.indirect_radio.prop('checked', true);
        }

        var pkeys = that.get_pkeys();

        var command = IPA.command({
            entity: that.entity.name,
            method: 'show',
            args: pkeys
        });

        command.on_success = function(data, text_status, xhr) {
            that.load(data);
            that.show_content();
        };

        command.on_error = function(xhr, text_status, error_thrown) {
            that.redirect_error(error_thrown);
            that.report_error(error_thrown);
        };

        command.execute();
    };

    that.clear = function() {
        that.header.clear();
        that.table.clear();
    };

    that.init_association_facet = function() {

        that.init_facet();
        that.init_table_columns();
        init();
    };

    if (!no_init) that.init_association_facet();


    return that;
};

IPA.attribute_facet = function(spec, no_init) {

    spec = spec || {};

    //default buttons and their actions
    spec.actions = spec.actions || [];
    spec.actions.unshift(
        IPA.refresh_action,
        {
            name: 'remove',
            hide_cond: ['read-only'],
            enable_cond: ['item-selected'],
            handler: function(facet) {
                facet.show_remove_dialog();
            }
        },
        {
            name: 'add',
            hide_cond: ['read-only'],
            handler: function(facet) {
                facet.show_add_dialog();
            }
        }
    );

    spec.control_buttons = spec.control_buttons || [];
    spec.control_buttons.unshift(
        {
            name: 'refresh',
            label: IPA.messages.buttons.refresh,
            icon: 'reset-icon'
        },
        {
            name: 'remove',
            label: IPA.messages.buttons.remove,
            icon: 'remove-icon'
        },
        {
            name: 'add',
            label: IPA.messages.buttons.add,
            icon: 'add-icon'
        });

    spec.state = spec.state || {};
    spec.state.evaluators = spec.state.evaluators || [];
    spec.state.evaluators.push(
        IPA.selected_state_evaluator,
        IPA.read_only_state_evaluator,
        {
            factory: IPA.attr_read_only_evaluator,
            attribute: spec.attribute
        });

    spec.columns = spec.columns || [ spec.attribute ];
    spec.table_name = spec.table_name || spec.attribute;

    var that = IPA.table_facet(spec, true);

    that.attribute = spec.attribute;

    that.add_method = spec.add_method || 'add_member';
    that.remove_method = spec.remove_method || 'remove_member';

    that.create_header = function(container) {

        that.facet_create_header(container);
        that.create_control_buttons(that.controls);
    };

    that.show = function() {
        that.facet_show();
        var pkey = that.get_pkey();
        that.header.set_pkey(pkey);
    };

    that.get_records_map = function(data) {

        var records_map = $.ordered_map();
        var pkeys = data.result.result[that.attribute];

        for (var i=0; pkeys && i<pkeys.length; i++) {
            var pkey = pkeys[i];
            var record = {};
            record[that.attribute] = pkey;
            records_map.put(pkey, record);
        }

        return records_map;
    };

    that.refresh = function() {

        var pkey = that.get_pkeys();

        var command = IPA.command({
            entity: that.entity.name,
            method: 'show',
            args: pkey
        });

        if (command.check_option('all')) {
            command.set_option('all', true);
        }
        if (command.check_option('rights')) {
            command.set_option('rights', true);
        }

        command.on_success = function(data, text_status, xhr) {
            that.load(data);
            that.show_content();
        };

        command.on_error = function(xhr, text_status, error_thrown) {
            that.redirect_error(error_thrown);
            that.report_error(error_thrown);
        };

        command.execute();
    };

    that.clear = function() {
        that.header.clear();
        that.table.clear();
    };

    that.show_add_dialog = function() {

        var dialog = IPA.attribute_adder_dialog({
            attribute: spec.attribute,
            entity: that.entity,
            pkeys: that.get_pkeys()
        });

        dialog.added.attach(function() {
            that.refresh();
        });
        dialog.open(that.container);
    };

    that.show_remove_dialog = function() {

        var selected_values = that.get_selected_values();

        if (!selected_values.length) {
            var message = IPA.messages.dialogs.remove_empty;
            alert(message);
            return;
        }

        var dialog = IPA.deleter_dialog({
            entity: that.entity,
            values: selected_values
        });

        dialog.execute = function() {
            that.remove(
                selected_values,
                function(data) {
                    that.load(data);
                    that.show_content();
                    IPA.notify_success(IPA.messages.association.removed);
                },
                function() {
                    that.refresh();
                }
            );
        };


        dialog.open(that.container);
    };

    that.remove = function(values, on_success, on_error) {

        var pkey = that.get_pkeys();

        var command = IPA.command({
            entity: that.entity.name,
            method: that.remove_method,
            args: pkey,
            on_success: on_success,
            on_error: on_error
        });

        command.set_option(that.attribute, values);

        if (command.check_option('all')) {
            command.set_option('all', true);
        }
        if (command.check_option('rights')) {
            command.set_option('rights', true);
        }

        command.execute();
    };


    that.init_attribute_facet = function() {

        that.init_facet();
        that.init_table_columns();
        that.init_table(that.entity);
    };

    if (!no_init) that.init_attribute_facet();

    return that;
};

IPA.attr_read_only_evaluator = function(spec) {

    spec.name = spec.name || 'attr_read_only_evaluator';
    spec.event = spec.event || 'post_load';

    var that = IPA.state_evaluator(spec);
    that.attribute = spec.attribute;

    that.on_event = function(data) {

        var old_state, record, rights, i, state;

        old_state = that.state;
        record = data.result.result;

        // ignore loads without --rights
        if (!record.attributelevelrights) return;

        that.state = [];

        rights = record.attributelevelrights[that.attribute];

        if (!rights || rights.indexOf('w') === -1) {
            that.state.push('read-only');
        }

        that.notify_on_change(old_state);
    };

    return that;
};

return {};
});