use gtk4::glib;
use gtk4::prelude::*;
use gtk4::subclass::prelude::*;
use std::cell::RefCell;

#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
pub struct Article {
    pub id: String,
    pub title: String,
    pub feed_title: String,
    pub author: String,
    pub link: String,
    pub published: i64,
    pub content: String,
    pub excerpt: String,
    pub unread: bool,
}

// ── GObject wrapper ──────────────────────────────────────────────────────────

glib::wrapper! {
    pub struct ArticleObject(ObjectSubclass<imp::ArticleObject>);
}

impl ArticleObject {
    pub fn new(article: Article) -> Self {
        let obj: Self = glib::Object::new();
        *obj.imp().article.borrow_mut() = article;
        obj
    }

    pub fn article(&self) -> std::cell::Ref<'_, Article> {
        self.imp().article.borrow()
    }

    pub fn set_unread(&self, unread: bool) {
        self.imp().article.borrow_mut().unread = unread;
        self.notify("unread");
    }
}

mod imp {
    use super::*;

    #[derive(Default)]
    pub struct ArticleObject {
        pub article: RefCell<Article>,
    }

    #[glib::object_subclass]
    impl ObjectSubclass for ArticleObject {
        const NAME: &'static str = "ArticleObject";
        type Type = super::ArticleObject;
    }

    impl ObjectImpl for ArticleObject {
        fn properties() -> &'static [glib::ParamSpec] {
            use std::sync::OnceLock;
            static PROPS: OnceLock<Vec<glib::ParamSpec>> = OnceLock::new();
            PROPS.get_or_init(|| {
                vec![
                    glib::ParamSpecBoolean::builder("unread")
                        .read_only()
                        .build(),
                ]
            })
        }

        fn property(&self, _id: usize, pspec: &glib::ParamSpec) -> glib::Value {
            match pspec.name() {
                "unread" => self.article.borrow().unread.to_value(),
                _ => unimplemented!(),
            }
        }
    }
}