import { describe, expect, it } from 'vitest';
import { WebLoadStarter } from '@motajs/loader';
import { SaveCompression } from '@user/data-common';
import { CoreState } from '../src/core';

/** 按 08-08 约定的 CoreState 装配创建一个独立状态实例 */
function createCoreState(): CoreState {
    return new CoreState({
        loadStarter: new WebLoadStarter(),
        coreURL: 'placeholder'
    });
}

describe('Node CoreState factory', () => {
    // 验证无参数工厂创建的状态实例不会共享勇士、地图、事件存储和存档系统
    it('creates independent mutable data-side instances', () => {
        const first = createCoreState();
        const second = createCoreState();

        expect(first).not.toBe(second);
        expect(first.hero).not.toBe(second.hero);
        expect(first.hero.attribute).not.toBe(second.hero.attribute);
        expect(first.eventStore).not.toBe(second.eventStore);

        first.hero.getModifiableAttribute().set('hp', 99);
        expect(second.hero.attribute.getFinalAttribute('hp')).not.toBe(99);

        const map = first.maps.createMap('isolated-floor', 1, 1);
        map.setActiveStatus(true);
        const layer = map.addLayer('event');
        layer.setMapRef(new Uint32Array([7]));
        expect(second.maps.getMap('isolated-floor')).toBeNull();

        const saved = first.maps.saveState(SaveCompression.NoCompression);
        const savedFloor = saved.floors.get('isolated-floor');
        const savedLayer = savedFloor?.layers.get(0);
        if (!savedLayer?.fullMap)
            throw new Error('missing isolated map snapshot');
        savedLayer.fullMap[0] = 99;
        expect(layer.getBlock(0, 0)).toBe(7);
    });
});