//---------------------------------------------------------------------------
// @syndicate-lang/core, an implementation of Syndicate dataspaces for JS.
// Copyright (C) 2016-2021 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
//
// 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 <https://www.gnu.org/licenses/>.
//---------------------------------------------------------------------------

import { Embedded, Value } from '@syndicate-lang/core';
activate import { UIEvent, GlobalEvent, HtmlFragments, template, Anchor } from '@syndicate-lang/html';

assertion type Person(id, firstName, lastName, address, age);
message type SetSortColumn(number);

boot {
    function newRow(id: number, firstName: string, lastName: string, address: string, age: number) {
        spawn named ('model' + id) {
            assert Person(id, firstName, lastName, address, age);
        }
    }

    newRow(1, 'Keith', 'Example', '94 Main St.', 44);
    newRow(2, 'Karen', 'Fakeperson', '5504 Long Dr.', 34);
    newRow(3, 'Angus', 'McFictional', '2B Pioneer Heights', 39);
    newRow(4, 'Sue', 'Donnem', '1 Infinite Loop', 104);
    newRow(5, 'Boaty', 'McBoatface', 'Arctic Ocean', 1);

    spawn named 'view' {
        let ui = new Anchor();
        field orderColumn: number = 2;

        function cell(text: Value): HtmlFragments {
            return template`<td>${text.toString()}</td>`;
        }

        on message SetSortColumn($c: number) => this.orderColumn = c;

        during Person($id: number, $firstName: string, $lastName: string, $address: string, $age: number) => {
            assert ui.context(id)
                .html('table#the-table tbody',
                      template`<tr>${[id, firstName, lastName, address, age].map(cell)}</tr>`,
                      [id, firstName, lastName, address, age][this.orderColumn]);
        }
    }

    spawn named 'controller' {
        on message GlobalEvent('table#the-table th', 'click', $e) => {
            send message SetSortColumn(
                JSON.parse(((e as Embedded<Event>).embeddedValue.target as HTMLElement).dataset.column!));
        }
    }

    spawn named 'alerter' {
        let ui = new Anchor();
        assert ui.html('#extra', template`<button>Click me</button>`);

        on message UIEvent(ui.fragmentId, '.', 'click', $_e) => {
            alert("Hello!");
        }
    }
}