use std::collections::HashMap;

use sdl2::image::LoadTexture;
use sdl2::render::Texture;
use sdl2::render::TextureCreator;
use sdl2::video::WindowContext;

pub struct SpriteManager<'canvas> {
    texture_creator: &'canvas TextureCreator<WindowContext>, // can't make the lifetimes work when this is owned instead of borrowed
    textures: HashMap<&'static str, Texture<'canvas>>,
}

impl<'canvas> SpriteManager<'canvas> {
    pub fn new(texture_creator: &'canvas TextureCreator<WindowContext>) -> SpriteManager<'canvas> {
        SpriteManager {
            texture_creator,
            textures: HashMap::new(),
        }
    }

    pub fn load(&mut self, name: &'static str, file: &str) {
        self.textures.insert(name, self.texture_creator.load_texture(file).unwrap());
    }

    pub fn get(&self, name: &str) -> &Texture {
        self.textures.get(name).expect(format!("The sprite '{}' was not found", name).as_str())
    }
}