export const defaultConfig = {
    global: { gravity: 0.5, drag: 0.9 },
    time: { paused: false, speed: 1 },
    brush: { size: 4 },
    explosive: { 
        radius: 15, 
        force: 2.0,
        destroy: { 
            rock: true, 
            wood: true, 
            dirt: true, 
            sand: true, 
            plant: true, 
            grass: true, 
            water: false, 
            acid: true, 
            ice: true, 
            lava: false, 
            oil: true 
        }
    },
    acid: { 
        dissolveChance: 0.05,
        sinkChance: 0.2,
        dispersion: 4,
        explodeTNT: false,
        dissolve: { 
            rock: false, 
            wood: true, 
            dirt: true, 
            sand: false, 
            plant: true, 
            grass: true, 
            water: false, 
            ice: true, 
            oil: true 
        }
    },
    fire: { burnChance: 0.015 },
    water: { flowChance: 1.0, dispersion: 5 },
    lava: { flowChance: 0.4, dispersion: 2, coolingChance: 0.04, sinkChance: 0.7 },
    oil: { flowChance: 0.85, dispersion: 4, burnChance: 0.04, sinkChance: 0.25, floatChance: 0.25 },
    ice: { meltChance: 0.02, freezeChance: 0.01 },
    steam: { condenseChance: 0.01 },
    smoke: { dissipateChance: 0.02 },
    plant: { growChance: 0.02, woodificationChance: 0.01, burnChance: 0.4 },
    grass: { growChance: 0.03, burnChance: 0.5 },
    wood: { burnChance: 0.05 },
    visual: { style: 'blocky', colorNoise: true }
};

export let config = JSON.parse(JSON.stringify(defaultConfig));

export function setConfig(newConfig) {
    config = newConfig;
}

export function saveSettings() {
    localStorage.setItem('sandGameSettings', JSON.stringify(config));
}

export function loadSettings() {
    if (localStorage.getItem('sandGameSettings')) {
        try {
            const saved = JSON.parse(localStorage.getItem('sandGameSettings'));
            for (const key in saved) {
                if (config[key]) {
                    if (typeof config[key] === 'object' && !Array.isArray(config[key])) {
                        Object.assign(config[key], saved[key]);
                    } else {
                        config[key] = saved[key];
                    }
                }
            }
        } catch (e) {
            console.error('Error loading settings:', e);
        }
    }
}