use std::cell::RefCell;
use std::cmp::min;
use std::rc::Rc;
use super::*;
use crate::window::popups;

use adw::ResponseAppearance;
use uuid::Uuid;

pub(in crate::window) async fn select_device_config(main_window: &AudioDeviceManagerWindow) {
    let device_config_names = main_window.imp().state_manager.borrow_mut().get_device_config_names();

    if device_config_names.is_empty() {
        popups::new_device_config_type::new_device_config_type(main_window).await;
        return
    }

    let cancel_response = "cancel";
    let create_new_response = "create-new";
    let duplicate_response = "duplicate";
    let select_response = "select";

    let dialog_body = gtk::Box::builder()
        .spacing(12)
        .orientation(gtk::Orientation::Vertical)
        .build();

    let entry = gtk::Entry::builder()
        .placeholder_text("search")
        .activates_default(true)
        .hexpand(true)
        .build();

    let device_configs_list = gtk::ListBox::builder()
        .css_classes(["boxed-list"])
        .build();

    let selected_config_id = Rc::new(RefCell::new(None));

    let mut device_configs_list_len = 0;
    for device_config_row in build_device_config_rows(main_window, &selected_config_id) {
        device_configs_list_len += 1;
        device_configs_list.append(&device_config_row);
    }

    let dialog_body_clamp = adw::Clamp::builder()
        .maximum_size(400)
        .tightening_threshold(300)
        .child(&dialog_body)
        .build();

    println!("{}", device_configs_list.height());

    dialog_body.append(&entry);
    if device_configs_list_len > 3 {
        let device_configs_list_scrollable = gtk::ScrolledWindow::builder()
            .child(&device_configs_list)
            .vexpand(true)
            .build();
        dialog_body.append(&device_configs_list_scrollable);
    } else {
        dialog_body.append(&device_configs_list);
    }

    // Create new dialog
    let dialog = adw::AlertDialog::builder()
        .heading("Select Configuration")
        .close_response(cancel_response)
        .default_response(select_response)
        .extra_child(&dialog_body_clamp)
        .height_request(
            min(
                min(809, main_window.height()),
                383 + 55 * device_configs_list_len
            )
        )
        .width_request(min(500, main_window.width()))
        .build();

    dialog.add_responses(&[(cancel_response, "Cancel"), (create_new_response, "Create New"), (duplicate_response, "Duplicate"), (select_response, "Select")]);

    // Make the dialog button insensitive initially
    dialog.set_response_enabled(select_response, false);
    dialog.set_response_appearance(select_response, ResponseAppearance::Suggested);
    dialog.set_response_enabled(duplicate_response, false);
    dialog.set_response_appearance(cancel_response, ResponseAppearance::Destructive);

    device_configs_list.connect_row_selected(clone!(
            #[weak]
            dialog,
            move |list_box, row_option| {
                match row_option {
                    Some(row) => {
                        dialog.set_response_enabled(select_response, true);
                        dialog.set_response_enabled(duplicate_response, true);
                        row.activate();
                    }
                    None => {
                        dialog.set_response_enabled(select_response, false);
                        dialog.set_response_enabled(duplicate_response, false);
                    }
                };
            }
        ));


    let response = dialog.choose_future(main_window).await;

    // Return if the user chose 'cancel_response'

    if response == cancel_response {
        println!("Cancel");
        return;
    }

    if response == create_new_response {
        popups::new_device_config_type::new_device_config_type(main_window).await;
        return;
    }

    let selected_row = device_configs_list.selected_row().unwrap();

    let config_id = selected_config_id.borrow().clone().unwrap();

    if response == duplicate_response {
        let mut state_manager = main_window.imp().state_manager.borrow_mut();

        let config_name = state_manager.get_device_config_name(&config_id);
        let properties = state_manager.get_device_config_properties(&config_id).clone();
        let profiles = state_manager.get_device_config_profiles(&config_id).clone();
        let selected_profile = state_manager.get_device_config_selected_profile(&config_id).clone();

        drop(state_manager);

        popups::new_device_config::new_device_config(
            main_window,
            Some(config_name),
            properties,
            profiles,
            selected_profile
        ).await;
        return;
    }

    if response == select_response {
        main_window.add_device_config(config_id);
        return;
    }
}

fn build_device_config_rows(
    main_window: &AudioDeviceManagerWindow,
    selected_config_id: &Rc<RefCell<Option<Uuid>>>,
) -> Vec<adw::ActionRow> {
    let mut row_vec = Vec::new();

    let mut device_names: Vec<_> = main_window.imp().state_manager.borrow_mut()
        .get_device_config_names()
        .into_iter()
        .collect();

    device_names.sort_by(|(_, v1), (_, v2)| v1.cmp(v2));

    for (config_id, config_name) in device_names {
        let row = adw::ActionRow::builder()
            .title(config_name.clone())
            .build();

        row.connect_activate(clone!(
            #[weak]
            selected_config_id,
            move |row| {
                *selected_config_id.borrow_mut() = Some(config_id.clone());
            }
            )
        );

        row_vec.push(
            row
        );
    }



    row_vec
}