use gtk4::prelude::*;
use gtk4::subclass::prelude::*;
use gtk4::{gio, glib};

glib::wrapper! {
    pub struct PreferencesDialog(ObjectSubclass<imp::PreferencesDialog>)
        @extends libadwaita::Dialog, gtk4::Widget,
        @implements gtk4::Accessible, gtk4::Buildable, gtk4::ConstraintTarget;
}

impl PreferencesDialog {
    pub fn new() -> Self {
        glib::Object::builder().build()
    }
}

pub mod imp {
    use super::*;
    use gtk4::CompositeTemplate;
    use libadwaita::subclass::prelude::*;

    #[derive(CompositeTemplate, Default)]
    #[template(resource = "/net/jeena/FeedTheMonkey/ui/preferences_dialog.ui")]
    pub struct PreferencesDialog {
        #[template_child]
        pub cache_images_row: TemplateChild<libadwaita::SwitchRow>,
        #[template_child]
        pub filters_text_view: TemplateChild<gtk4::TextView>,
    }

    #[glib::object_subclass]
    impl ObjectSubclass for PreferencesDialog {
        const NAME: &'static str = "PreferencesDialog";
        type Type = super::PreferencesDialog;
        type ParentType = libadwaita::Dialog;

        fn class_init(klass: &mut Self::Class) {
            klass.bind_template();
        }

        fn instance_init(obj: &glib::subclass::InitializingObject<Self>) {
            obj.init_template();
        }
    }

    impl ObjectImpl for PreferencesDialog {
        fn constructed(&self) {
            self.parent_constructed();
            let settings = gio::Settings::new("net.jeena.FeedTheMonkey");

            // Cache images switch
            self.cache_images_row.set_active(settings.boolean("cache-images"));
            let s = settings.clone();
            self.cache_images_row.connect_active_notify(move |row| {
                s.set_boolean("cache-images", row.is_active()).ok();
            });

            // Content filters text view
            self.filters_text_view.buffer().set_text(&settings.string("content-filters"));
            let obj_weak = self.obj().downgrade();
            self.filters_text_view.buffer().connect_changed(move |_| {
                if let Some(obj) = obj_weak.upgrade() {
                    obj.imp().save_filters();
                }
            });
        }
    }

    impl PreferencesDialog {
        fn save_filters(&self) {
            let buf = self.filters_text_view.buffer();
            let text = buf.text(&buf.start_iter(), &buf.end_iter(), false);
            let settings = gio::Settings::new("net.jeena.FeedTheMonkey");
            settings.set_string("content-filters", &text).ok();
        }
    }

    impl WidgetImpl for PreferencesDialog {}
    impl AdwDialogImpl for PreferencesDialog {}
}