import { describe, expect, it } from 'vitest';
import { CreateTextureCommand } from '../../src/core/commands/assetCommands';
import { CommandError } from '../../src/core/commands/Command';
import { isTextureAsset } from '../../src/core/model/Asset';
import { findAsset } from '../../src/core/model/Project';
import { makeProject } from '../helpers';

const FILE = `${'b'.repeat(64)}.webp`;

describe('CreateTextureCommand', () => {
  it('adds a texture asset carrying the uploaded image, and removes it again', () => {
    const { project, stack } = makeProject();
    const command = new CreateTextureCommand('Hero', { file: FILE, width: 64, height: 32 });
    stack.execute(command);

    const asset = findAsset(project, command.asset.id);
    expect(asset && isTextureAsset(asset)).toBe(true);
    expect(asset).toMatchObject({ type: 'texture', name: 'Hero', file: FILE, width: 64, height: 32 });
    // The schema default comes along, so the new texture is a complete asset – nothing to fill in later.
    expect(asset?.props).toEqual({ filter: 'linear' });

    stack.undo();
    expect(project.assets).toHaveLength(0);
    stack.redo();
    expect(findAsset(project, command.asset.id)?.name).toBe('Hero');
  });

  it('rejects a file name the server cannot have produced – in execute, not in the constructor', () => {
    const { project, stack } = makeProject();
    const command = new CreateTextureCommand('Hero', { file: '../secrets.png', width: 1, height: 1 });
    expect(() => stack.execute(command)).toThrow(CommandError);
    expect(project.assets).toHaveLength(0);
  });

  it('keeps two assets for the same file apart', () => {
    const { project, stack } = makeProject();
    stack.execute(new CreateTextureCommand('Hero', { file: FILE, width: 8, height: 8 }));
    stack.execute(new CreateTextureCommand('Hero copy', { file: FILE, width: 8, height: 8 }));
    expect(project.assets.map((a) => a.id)).toHaveLength(2);
    expect(new Set(project.assets.map((a) => a.id)).size).toBe(2);
  });
});