import { promisify } from 'util';

export const mockFiles = {
    file: 'uploads/toBeResized/some-file.jpg',
    undownloadableFile: 'uploads/toBeResized/undownloadable-file',
    unuploadableFile: 'uploads/toBeResized/unuploadable-file',
};
const mockExistingFile = { exists: () => [true], download: () => new File([], mockFiles.file) };
const mockUndownLoadableFile = {
    exists: () => [true],
    download: promisify(() => {
        throw new Error();
    }),
};

const mockMissingFile = { exists: () => [false] };
const mockBucket = (name: string) => ({
    file: (fileName) => {
        switch (fileName) {
            case mockFiles.file:
                return mockExistingFile;
            case mockFiles.undownloadableFile:
                return mockUndownLoadableFile;
            default:
                return mockMissingFile;
        }
    },
    name,
});

export class Storage {
    constructor() {}

    bucket = (name: string) => mockBucket(name);
}