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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2020 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//

use std::sync::Arc;

use cursive::views::LinearLayout;
use cursive::views::Layer;
use cursive::views::EditView;
use cursive::views::ResizedView;
use cursive::views::TextView;
use cursive::view::View;
//use cursive::theme::ColorStyle;
use cursive::view::Boxable;
use cursive::Printer;
use cursive::view::SizeConstraint;

use libimagstore::store::Store;

pub struct StatusView(Arc<Store>, ResizedView<CurrentStatusView>);

impl StatusView {
    pub fn new(store: Arc<Store>) -> Self {
        StatusView(store, {
            let mut rv = ResizedView::with_min_height(2, CurrentStatusView::new());
            rv.set_height(SizeConstraint::Free);
            rv
        })
    }
}

impl View for StatusView {
    fn draw(&self, printer: &Printer) {
        self.1.draw(printer)
    }
}


enum CurrentStatusView {
    Standard(LinearLayout),

    /// A list of buttons to click
    Buttons(LinearLayout),

    /// A Command-line (think vim ":")
    ShellLine(EditView),

    /// A Combination of a current shell line including a list of autocompletions
    AutoCompleteList(LinearLayout),
}

impl CurrentStatusView {
    fn new() -> Self {
        CurrentStatusView::Standard({
            LinearLayout::vertical()
                .child(TextView::new("[imag]").resized(SizeConstraint::AtMost(12), SizeConstraint::AtMost(4)))
                .child(TextView::new("Dummy"))
        })
    }
}

impl View for CurrentStatusView {
    fn draw(&self, printer: &Printer) {
        match self {
            CurrentStatusView::Standard(ll)         => ll.draw(printer),
            CurrentStatusView::Buttons(ll)          => ll.draw(printer),
            CurrentStatusView::ShellLine(ev)        => ev.draw(printer),
            CurrentStatusView::AutoCompleteList(ll) => ll.draw(printer),
        }
    }
}