import { describe, expect, it } from 'vitest';
import {
    buildLogSettingsPatch,
    formatBytes,
    isAllAccountsConfirmation,
    logStoragePresentation,
} from '../src/lib/storage-presentation';

describe('storage presentation helpers', () => {
    it('omits environment-locked and unchanged fields from a settings patch', () => {
        expect(
            buildLogSettingsPatch(
                { logMaxTotalMb: 2048, logRetainDays: 0, logPerUin: true },
                { logMaxTotalMb: 1024, logRetainDays: 7, logPerUin: false },
                ['logMaxTotalMb'],
            ),
        ).toEqual({
            logRetainDays: 0,
            logPerUin: true,
        });
    });

    it('prioritizes degraded state over capacity percentage and warns at 80 percent', () => {
        expect(
            logStoragePresentation({
                state: 'degraded',
                totalBytes: 10,
                maxTotalBytes: 100,
            }),
        ).toMatchObject({ label: '磁盘写入已暂停', tone: 'danger', percent: 10 });
        expect(
            logStoragePresentation({
                state: 'healthy',
                totalBytes: 80,
                maxTotalBytes: 100,
            }),
        ).toMatchObject({ label: '接近上限', tone: 'warning', percent: 80 });
        expect(
            logStoragePresentation({
                state: 'healthy',
                totalBytes: 20,
                maxTotalBytes: 100,
            }),
        ).toMatchObject({ label: '正常', tone: 'success', percent: 20 });
    });

    it('formats byte counts without exposing implementation units', () => {
        expect(formatBytes(0)).toBe('0 B');
        expect(formatBytes(1536)).toBe('1.5 KB');
        expect(formatBytes(1024 * 1024)).toBe('1 MB');
    });

    it('requires the exact all-account confirmation phrase', () => {
        expect(isAllAccountsConfirmation('清理全部账号')).toBe(true);
        expect(isAllAccountsConfirmation(' 清理全部账号 ')).toBe(false);
        expect(isAllAccountsConfirmation('确认')).toBe(false);
    });
});