use bevy::prelude::*;

use crate::{player::Player, PlayerGUIStatus};

#[derive(Debug, Default, Component)]
pub struct PlayerInventoryGUI {}

impl PlayerInventoryGUI {
    pub fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
        let image = asset_server.load::<Image>("inventory.png");
        let sprite = Sprite::from_image(image);
        commands.spawn((
            sprite.clone(),
            Transform::from_scale(Vec3 {
                x: 20.0,
                y: 20.0,
                z: 0.0,
            }),
            Visibility::Hidden,
            PlayerInventoryGUI::default(),
        ));
    }

    pub fn toggle(
        mut player_inventory_gui_transform_query: Query<
            &mut Transform,
            (With<PlayerInventoryGUI>, Without<Player>),
        >,
        mut player_query: Query<&mut Player, With<Player>>,
        player_transform_query: Query<&Transform, With<Player>>,
        mut player_inventory_visibility_query: Query<&mut Visibility, With<PlayerInventoryGUI>>,
        keyboard: Res<ButtonInput<KeyCode>>,
        mut player_gui_status: ResMut<PlayerGUIStatus>,
    ) {
        let mut player_inventory_visibility =
            player_inventory_visibility_query.get_single_mut().unwrap();

        if keyboard.just_pressed(KeyCode::Tab) && player_gui_status.looking_inventory == false {
            let mut player_inventory_gui_transform = player_inventory_gui_transform_query
                .get_single_mut()
                .unwrap();
            let player_inventory = &player_query.get_single_mut().unwrap().inventory;
            let player_position = player_transform_query.get_single().unwrap();

            let new_inventory_position = player_position.translation.truncate().extend(2.0);
            player_inventory_gui_transform.translation = new_inventory_position;
            player_gui_status.looking_inventory = true;
            player_inventory_visibility.toggle_visible_hidden();
            println!("{:#?}", player_inventory);
        } else if keyboard.just_pressed(KeyCode::Tab) && player_gui_status.looking_inventory == true
        {
            player_gui_status.looking_inventory = false;
            player_inventory_visibility.toggle_visible_hidden();
        }
    }
}