use gtk4 as gtk;

use async_channel::Sender;
use chrono::NaiveDate;
use gtk::glib;
use gtk::prelude::*;
use rusqlite::Connection;
use std::rc::Rc;
use uuid::Uuid;

use crate::{app::update, app::update::Msg, db, model::event};

pub async fn show(
    conn: Rc<Connection>,
    tx: Sender<Msg>,
    window: Rc<gtk::ApplicationWindow>,
    date: NaiveDate,
) {
    let dialog = gtk::Dialog::builder()
        .transient_for(&*window)
        .modal(true)
        .title("Ajouter")
        .css_classes(vec!["g-Form".to_string()])
        .build();

    let content_area = dialog.content_area();

    let vbox = gtk::Box::builder()
        .orientation(gtk::Orientation::Vertical)
        .build();
    vbox.add_css_class("g-Form__Inputs");
    content_area.append(&vbox);

    let name = entry("");
    vbox.append(&label("Événement"));
    vbox.append(&name);

    let date = entry(&date.format(event::DATE_FORMAT).to_string());
    vbox.append(&label("Jour"));
    vbox.append(&date);

    let start = entry("");
    vbox.append(&label("Début"));
    vbox.append(&start);

    let end = entry("");
    vbox.append(&label("Fin"));
    vbox.append(&end);

    let button = gtk::Button::with_label("Créer");
    vbox.append(&button);
    button.connect_clicked(glib::clone!(@weak dialog => move |_| {
        match event::validate(Uuid::new_v4(), date.buffer().text(), name.buffer().text(), start.buffer().text(), end.buffer().text()) {
            Some(event) => {
                match db::insert(&conn, &event) {
                    Ok(_) => {
                        update::send(tx.clone(), Msg::AddEvent { event: event });
                        dialog.close()
                    },
                    Err(_) => ()
                }
            },
            None => ()
        }
    }));

    dialog.run_future().await;
}

fn entry(text: &str) -> gtk::Entry {
    gtk::Entry::builder().text(text).margin_bottom(10).build()
}

fn label(text: &str) -> gtk::Label {
    gtk::Label::builder()
        .label(text)
        .halign(gtk::Align::Start)
        .margin_bottom(5)
        .build()
}