"use strict";

const RoomMaterialGame = (function(){

    const RoomMaterialGame = function(hollow_bond){

        const self = this;
        const cache = {};

        const themes_source = (hollow_bond && hollow_bond.themes) 
            ? hollow_bond.themes 
            : new ThemeManager(hollow_bond);

        this.get_materials = (theme_key = null) => {

            const key = theme_key || themes_source.current_theme || "level_0";

            if(cache[key]){
                return cache[key];
            }

            const theme = themes_source.get(key);
            if(!theme || !theme.shaders){
                throw new Error(`[RoomMaterialGame] Theme "${key}" no encontrado o sin shaders.`);
            }

            // Cambiamos a THREE.DoubleSide para que renderice tanto interior como exterior
            const floor_mat = new THREE.ShaderMaterial({
                vertexShader: theme.shaders.floor.vertex,
                fragmentShader: theme.shaders.floor.fragment,
                side: THREE.DoubleSide
            });

            const ceiling_mat = new THREE.ShaderMaterial({
                vertexShader: theme.shaders.ceiling.vertex,
                fragmentShader: theme.shaders.ceiling.fragment,
                side: THREE.DoubleSide
            });

            const walls_mat = new THREE.ShaderMaterial({
                vertexShader: theme.shaders.walls.vertex,
                fragmentShader: theme.shaders.walls.fragment,
                side: THREE.DoubleSide
            });

            cache[key] = [floor_mat, ceiling_mat, walls_mat];

            return cache[key];
        };

        this.reset = () => {
            for(const key in cache){
                if(Array.isArray(cache[key])){
                    cache[key].forEach(mat => mat.dispose && mat.dispose());
                }
            }
        };

    };

    return RoomMaterialGame;
})();