import {PartType, PlanetType} from "./protocol.ts";
import tex_earth from "./assets/earth.svg";
import tex_hearty from "./assets/hearty.svg";
import tex_missing from "./assets/missing.svg";

let planet_textures: Map<PlanetType, HTMLImageElement> = new Map();

function planet_texture_url(type: PlanetType): string {
    if (type == PlanetType.Earth) {
        return tex_earth;
    }
    return tex_missing;
}

export async function planet_texture(type: PlanetType): Promise<HTMLImageElement> {
    return new Promise((resolve, reject) => {
        if (planet_textures.has(type)) {
            resolve(planet_textures.get(type)!);
        } else {
            let img = new Image();
            img.onload = () => {
                planet_textures.set(type, img);
                resolve(img);
            };
            img.onerror = reject;
            img.src = planet_texture_url(type)
        }
    });
}

let part_textures: Map<PartType, HTMLImageElement> = new Map();

function part_texture_url(type: PartType): string {
    if (type == PartType.Hearty) {
        return tex_hearty;
    }
    return tex_missing;
}

export async function part_texture(type: PartType): Promise<HTMLImageElement> {
    return new Promise((resolve, reject) => {
        if (part_textures.has(type)) {
            resolve(part_textures.get(type)!);
        } else {
            let img = new Image();
            img.onload = () => {
                part_textures.set(type, img);
                resolve(img);
            };
            img.onerror = reject;
            img.src = part_texture_url(type)
        }
    });
}