/*
Copyright 2023-2024, Savanni D'Gerinel <savanni@luminescent-dreams.com>

This file is part of FitnessTrax.

FitnessTrax 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.

FitnessTrax 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 FitnessTrax. If not, see <https://www.gnu.org/licenses/>.
*/

mod action_group;
pub use action_group::ActionGroup;

mod day;
pub use day::{DayDetail, DayEdit, DaySummary};

mod singleton;
pub use singleton::{Singleton, SingletonImpl};

mod steps;
pub use steps::{steps_editor, Steps};

mod text_entry;
pub use text_entry::{weight_field, TextEntry};

mod time_distance;
pub use time_distance::{time_distance_summary, TimeDistanceView};

mod weight;
pub use weight::WeightLabel;

use glib::Object;
use gtk::{prelude::*, subclass::prelude::*};
use std::{cell::RefCell, path::PathBuf, rc::Rc};

pub struct FileChooserRowPrivate {
    path: RefCell<Option<PathBuf>>,
    label: gtk::Label,
}

#[glib::object_subclass]
impl ObjectSubclass for FileChooserRowPrivate {
    const NAME: &'static str = "FileChooser";
    type Type = FileChooserRow;
    type ParentType = gtk::Box;

    fn new() -> Self {
        Self {
            path: RefCell::new(None),
            label: gtk::Label::builder().hexpand(true).build(),
        }
    }
}

impl ObjectImpl for FileChooserRowPrivate {}
impl WidgetImpl for FileChooserRowPrivate {}
impl BoxImpl for FileChooserRowPrivate {}

glib::wrapper! {
    pub struct FileChooserRow(ObjectSubclass<FileChooserRowPrivate>) @extends gtk::Box, gtk::Widget, @implements gtk::Orientable;
}

impl FileChooserRow {
    pub fn new<F>(on_selected: F) -> Self
    where
        F: Fn(PathBuf) + 'static,
    {
        let s: Self = Object::builder().build();

        s.set_css_classes(&["dialog-row", "card"]);
        s.set_orientation(gtk::Orientation::Horizontal);
        s.set_spacing(8);

        // The database selection row should be a box that shows a default database path, along with a
        // button that triggers a file chooser dialog. Once the dialog returns, the box should be
        // updated to reflect the chosen path.
        s.imp().label.set_text("No database selected");

        let on_selected = Rc::new(Box::new(on_selected));

        let import_button = gtk::Button::builder().label("Import a Database").build();

        let handle_file_selection = Rc::new(Box::new({
            let s = s.clone();
            let on_selected = on_selected.clone();
            move |file_id: Result<gio::File, glib::Error>| match file_id {
                Ok(file_id) => match file_id.path() {
                    Some(path) => {
                        s.imp().label.set_text(path.to_str().unwrap());
                        on_selected(path.clone());
                        *s.imp().path.borrow_mut() = Some(path);
                    }
                    None => {
                        *s.imp().path.borrow_mut() = None;
                        s.imp().label.set_text("No database selected");
                    }
                },
                Err(err) => println!("file opening failed: {}", err),
            }
        }));

        import_button.connect_clicked({
            let handle_file_selection = handle_file_selection.clone();
            move |_| {
                let no_window: Option<&gtk::Window> = None;
                let not_cancellable: Option<&gio::Cancellable> = None;
                let handle_file_selection = handle_file_selection.clone();
                gtk::FileDialog::builder().build().open(
                    no_window,
                    not_cancellable,
                    move |file_id| handle_file_selection(file_id),
                );
            }
        });

        let new_button = gtk::Button::builder().label("Create Database").build();
        new_button.connect_clicked({
            let handle_file_selection = handle_file_selection.clone();
            move |_| {
                let no_window: Option<&gtk::Window> = None;
                let not_cancellable: Option<&gio::Cancellable> = None;
                let handle_file_selection = handle_file_selection.clone();
                gtk::FileDialog::builder().build().save(
                    no_window,
                    not_cancellable,
                    move |file_id| handle_file_selection(file_id),
                );
            }
        });

        s.imp().label.set_halign(gtk::Align::Start);
        s.append(&s.imp().label);
        s.append(&import_button);
        s.append(&new_button);

        s
    }

    pub fn path(&self) -> Option<PathBuf> {
        self.imp().path.borrow().clone()
    }
}