/*jsl:import ipa.js */

/*  Authors:
 *    Pavel Zuna <pzuna@redhat.com>
 *    Adam Young <ayoung@redhat.com>
 *    Endi S. Dewata <edewata@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/>.
 */

/* IPA Object Details - populating definiton lists from entry data */

/* REQUIRES: ipa.js */

IPA.expand_icon = 'ui-icon-minus';
IPA.collapse_icon = 'ui-icon-plus';

IPA.details_section = function(spec) {

    spec = spec || {};

    var that = {};

    that.name = spec.name || '';
    that.label = spec.label || '';
    that.template = spec.template;
    that._entity_name = spec.entity_name;

    that.fields = [];
    that.fields_by_name = {};

    that.__defineGetter__('entity_name', function() {
        return that._entity_name;
    });

    that.__defineSetter__('entity_name', function(entity_name) {
        that._entity_name = entity_name;

        for (var i=0; i<that.fields.length; i++) {
            that.fields[i].entity_name = entity_name;
        }
    });

    that.get_field = function(name) {
        return that.fields_by_name[name];
    };

    that.add_field = function(field) {
        field.entity_name = that.entity_name;
        that.fields.push(field);
        that.fields_by_name[field.name] = field;
        return field;
    };

    that.field = function(field) {
        that.add_field(field);
        return that;
    };

    that.text = function(spec) {
        var field = IPA.text_widget(spec);
        that.add_field(field);
        return that;
    };

    that.multivalued_text = function(spec) {
        spec.entity_name = that.entity_name;
        var field = IPA.multivalued_text_widget(spec);
        that.add_field(field);
        return that;
    };

    that.textarea = function(spec) {
        var field = IPA.textarea_widget(spec);
        that.add_field(field);
        return that;
    };

    that.radio = function(spec) {
        var field = IPA.radio_widget(spec);
        that.add_field(field);
        return that;
    };

    that.init = function() {
        for (var i=0; i<that.fields.length; i++) {
            var field = that.fields[i];
            field.init();
        }
    };

    that.create = function(container) {

        if (that.template) return;

        var fields = that.fields;
        for (var i = 0; i < fields.length; ++i) {
            var field = fields[i];

            var span = $('<span/>', { 'name': field.name }).appendTo(container);
            field.create(span);
        }
    };

    that.setup = function(container) {

        that.container = container;

        if (that.template) return;

        var fields = that.fields;
        for (var i = 0; i < fields.length; ++i) {
            var field = fields[i];

            var span = $('span[name='+field.name+']', this.container).first();
            field.setup(span);
        }
    };

    that.load = function(record) {

        that.record = record;

        var fields = that.fields;

        if (that.template) {
            var template = IPA.get_template(that.template);
            this.container.load(
                template,
                function(data, text_status, xhr) {
                    for (var i = 0; i < fields.length; ++i) {
                        var field = fields[i];
                        var span = $('span[name='+field.name+']', this.container).first();
                        field.setup(span);
                        field.load(record);
                    }
                }
            );
            return;
        }

        for (var j=0; j<fields.length; j++) {
            var field = fields[j];
            var span = $('span[name='+field.name+']', this.container).first();
            field.load(record);
        }
    };

    that.reset = function() {
        for (var i=0; i<that.fields.length; i++) {
            var field = that.fields[i];
            var span = $('span[name='+field.name+']', this.container).first();
            field.reset();
        }
    };

    that.is_dirty = function() {
        for (var i=0; i<that.fields.length; i++) {
            var field = that.fields[i];
            if (field.is_dirty()) {
                return true;
            }
        }
        return false;
    };

    // methods that should be invoked by subclasses
    that.section_init = that.init;
    that.section_create = that.create;
    that.section_setup = that.setup;
    that.section_load = that.load;
    that.section_reset = that.reset;

    return that;
};


/**
 * This class creates a details section formatted as a list of
 * attributes names and values. The list is defined using a <dl> tag.
 * The attribute name is defined inside a <dt> tag. The attribute
 * value is specified within a <span> inside a <dd> tag. If the
 * attribute has multiple values the <span> will contain be
 * duplicated to display each value.
 *
 * Example:
 *   <dl class="entryattrs">
 *
 *     <dt title="givenname">First Name:</dt>
 *     <dd>
 *       <span name="givenname">
 *         John Smith
 *       </span>
 *     </dd>
 *
 *     <dt title="telephonenumber">Telephone Number:</dt>
 *     <dd>
 *       <span name="telephonenumber">
 *         <div name="value">111-1111</div>
 *         <div name="value">222-2222</div>
 *       </span>
 *     </dd>
 *
 *   </dl>
 */
IPA.details_list_section = function(spec) {

    spec = spec || {};

    var that = IPA.details_section(spec);

    that.create = function(container) {

        // do not call section_create() here

        if (that.template) return;

        var dl = $('<dl/>', {
            'id': that.name,
            'class': 'entryattrs'
        }).appendTo(container);

        var fields = that.fields;
        for (var i = 0; i < fields.length; ++i) {
            var field = fields[i];

            var label = field.label || '';

            $('<dt/>', {
                html: label+':',
                title: label
            }).appendTo(dl);

            var dd = $('<dd/>', {
                'class': 'first'
            }).appendTo(dl);

            var span = $('<span/>', { 'name': field.name }).appendTo(dd);
            field.create(span);
        }
    };

    return that;
};

IPA.details_facet = function(spec) {

    spec = spec || {};
    spec.name = spec.name || 'details';

    var that = IPA.facet(spec);

    that.label = (IPA.messages && IPA.messages.facets && IPA.messages.facets.details) || spec.label;

    that.sections = [];

    that.__defineGetter__("entity_name", function(){
        return that._entity_name;
    });

    that.__defineSetter__("entity_name", function(entity_name){
        that._entity_name = entity_name;

        for (var i=0; i<that.sections.length; i++) {
            that.sections[i].entity_name = entity_name;
        }
    });

    that.add_section = function(section) {
        section.entity_name = that.entity_name;
        that.sections.push(section);
        return section;
    };

    that.section = function(section) {
        that.add_section(section);
        return that;
    };

    that.create_section = function(spec) {
        var section = IPA.details_section(spec);
        that.add_section(section);
        return section;
    };

    that.init = function() {

        that.facet_init();

        for (var i=0; i<that.sections.length; i++) {
            var section = that.sections[i];
            section.init();
        }
    };

    that.get_primary_key = function() {
        var pkey_name = IPA.metadata.objects[that.entity_name].primary_key;
        if (that.record[pkey_name] instanceof Array){
            return that.record[pkey_name][0];
        }else{
            return that.record[pkey_name];
        }
    };

    that.create_header = function(container) {

        that.facet_create_header(container);

        that.pkey = $.bbq.getState(that.entity_name + '-pkey', true) || '';
        var label = IPA.metadata.objects[that.entity_name].label;

        var title = IPA.messages.details.settings;
        title = title.replace('${entity}', label);
        title = title.replace('${primary_key}', that.pkey);

        that.set_title(container, title);

        that.reset_button = IPA.action_button({
            label: IPA.messages.buttons.reset,
            icon: 'ui-icon-refresh',
            'class': 'details-reset',
            click: function() {
                that.reset();
                return false;
            }
        }).appendTo(that.controls);

        that.update_button = IPA.action_button({
            label: IPA.messages.buttons.update,
            icon: 'ui-icon-check',
            'class': 'details-update',
            click: function() {
                that.update();
                return false;
            }
        }).appendTo(that.controls);

        that.expand_button = $('<a/>', {
            name: 'expand_all',
            href: 'expand_all',
            text: 'Expand All',
            'class': 'expand-collapse-all',
            style: 'display: none;',
            click: function() {
                that.expand_button.css('display', 'none');
                that.collapse_button.css('display', 'inline');

                for (var i=0; i<that.sections.length; i++) {
                    var section = that.sections[i];
                    that.toggle(section, true);
                }

                return false;
            }
        }).appendTo(that.controls);

        that.collapse_button = $('<a/>', {
            name: 'collapse_all',
            href: 'collapse_all',
            text: 'Collapse All',
            'class': 'expand-collapse-all',
            click: function() {
                that.expand_button.css('display', 'inline');
                that.collapse_button.css('display', 'none');

                for (var i=0; i<that.sections.length; i++) {
                    var section = that.sections[i];
                    that.toggle(section, false);
                }

                return false;
            }
        }).appendTo(that.controls);
    };

    that.create_content = function(container) {

        var details = $('<div/>', {
            'name': 'details'
        }).appendTo(container);

        for (var i = 0; i < that.sections.length; ++i) {
            var section = that.sections[i];

            var header = $('<h2/>', {
                name: section.name,
                title: section.label
            }).appendTo(details);

            var icon = $('<span/>', {
                name: 'icon',
                'class': 'ui-icon section-expand '+IPA.expand_icon
            }).appendTo(header);

            header.append(' ');

            header.append(section.label);

            var div = $('<div/>', {
                name: section.name,
                'class': 'details-section'
            }).appendTo(details);

            header.click(function(section, div) {
                return function() {
                    var visible = div.is(":visible");
                    that.toggle(section, !visible);
                };
            }(section, div));

            section.create(div);

            details.append('<hr/>');
        }
    };

    that.setup = function(container) {

        that.facet_setup(container);

        var details = $('div[name=details]', that.container);

        for (var i = 0; i < that.sections.length; ++i) {
            var section = that.sections[i];

            var div = $('div.details-section[name='+section.name+']', that.container);

            section.setup(div);
        }
    };

    that.show = function() {
        that.facet_show();

        that.pkey = $.bbq.getState(that.entity_name+'-pkey', true) || '';
        that.entity.header.set_pkey(that.pkey);

        if (that.entity.facets.length == 1) {
            that.entity.header.facet_tabs.css('visibility', 'hidden');
        } else {
            that.entity.header.facet_tabs.css('visibility', 'visible');
        }
    };

    that.toggle = function(section, visible) {
        var header = $('h2[name='+section.name+']', that.container);

        var icon = $('span[name=icon]', header);
        icon.toggleClass(IPA.expand_icon, visible);
        icon.toggleClass(IPA.collapse_icon, !visible);

        var div = section.container;

        if (visible != div.is(":visible")) {
            div.slideToggle();
        }
    };

    function new_key(){
        var pkey = $.bbq.getState(that.entity_name + '-pkey', true) || '';
        return pkey != that.pkey;
    }
    that.new_key = new_key;


    that.is_dirty = function() {

        var i;
        for ( i =0; i <   that.sections.length; i +=1 ){
            if (that.sections[i].is_dirty()){
                return true;
            }
        }

        return false;
    };

    that.load = function (record) {
        that.record = record;
        for (var i=0; i<that.sections.length; i++) {
            var section = that.sections[i];
            section.load(record);
        }
    };

    that.reset = function() {

        for (var i=0; i<that.sections.length; i++) {
            var section = that.sections[i];
            section.reset();
        }
    };

    that.update = function(on_win, on_fail) {

        var entity_name = that.entity_name;

        function on_success(data, text_status, xhr) {
            if (on_win)
                on_win(data, text_status, xhr);
            if (data.error)
                return;

            var result = data.result.result;
            that.load(result);
        }

        function on_error(xhr, text_status, error_thrown) {
            if (on_fail)
                on_fail(xhr, text_status, error_thrown);
        }

        var values;
        var modlist = {'all': true, 'setattr': [], 'addattr': [], 'rights': true};
        var attrs_wo_option = {};

        for (var i=0; i<that.sections.length; i++) {
            var section = that.sections[i];

            if (section.save){
                section.save(modlist);
                continue;
            }

            for (var j=0; j<section.fields.length; j++) {
                var field = section.fields[j];

                var span = $('span[name='+field.name+']', section.container).first();
                values = field.save();
                if (!values) continue;

                var param_info = IPA.get_entity_param(entity_name, field.name);
                if (param_info) {
                    if (param_info['primary_key']) continue;
                    if (values.length === 1) {
                        modlist[field.name] = values[0];
                    } else if (values.length > 1){
                        if (field.join) {
                            modlist[field.name] = values.join(',');
                        } else {
                            modlist[field.name] = values;
                        }
                    } else if (param_info['multivalue']){
                        modlist[field.name] = [];
                    }
                } else {
                    if (values.length) attrs_wo_option[field.name] = values;
                }
            }
        }

        for (var attr in attrs_wo_option) {
            values = attrs_wo_option[attr];
            modlist['setattr'].push(attr + '=' + values[0]);
            for (var k = 1; k < values.length; ++k){
                modlist['addattr'].push(attr + '=' + values[k]);
            }
        }

        var pkey = that.get_primary_key();

        var args = pkey ? [pkey] : [];

        var command = IPA.command({
            entity: entity_name,
            method: 'mod',
            args: args,
            options: modlist,
            on_success: on_success,
            on_error: on_error
        });

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

        command.execute();
    };

    that.refresh = function() {

        that.pkey = $.bbq.getState(that.entity_name + '-pkey', true) ;

        var command = IPA.command({
            entity: that.entity_name,
            method: 'show',
            options: { all: true, rights: true }
        });

        if (IPA.details_refresh_devel_hook){
            IPA.details_refresh_devel_hook(that.entity_name,command,that.pkey);
        }


        if (that.pkey){
            command.args =  [that.pkey];
        }

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

        command.on_error = function(xhr, text_status, error_thrown) {
            var details = $('.details', that.container).empty();
            details.append('<p>Error: '+error_thrown.name+'</p>');
            details.append('<p>'+error_thrown.title+'</p>');
            details.append('<p>'+error_thrown.message+'</p>');
        };

        command.execute();
    };

    that.details_facet_init = that.init;
    that.details_facet_create_content = that.create_content;
    that.details_facet_load = that.load;

    return that;
};

IPA.action_button = function(spec) {
    var button = IPA.button(spec);
    button.removeClass("ui-state-default").addClass("action-button");
    return button;
};

IPA.button = function(spec) {

    spec = spec || {};

    var button = $('<a/>', {
        id: spec.id,
        html: spec.label,
        title: spec.title || spec.label,
        'class': 'ui-state-default ui-corner-all'
    });

    if (spec.click) {
        button.click(spec.click);
    }

    if (spec['class']) button.addClass(spec['class']);

    if (spec.icon) {
        button.addClass('input_link');
        button.append('<span class="ui-icon '+spec.icon+'" ></span> ');
    } else {
        button.addClass('button-without-icon');
    }

    return button;
};