import { describe, expect, it } from 'vitest';

import type { EventPackageLimits } from '../../services/eventApi';
import { buildLimitSummaries } from '../limitSummaries';

const translations = new Map<string, string>([
  ['upload.limitSummary.cards.photos.title', 'Fotos'],
  ['upload.limitSummary.cards.photos.remaining', 'Noch {remaining} von {limit}'],
  ['upload.limitSummary.cards.photos.unlimited', 'Unbegrenzte Uploads'],
  ['upload.limitSummary.cards.guests.title', 'Gäste'],
  ['upload.limitSummary.cards.guests.remaining', '{remaining} Gäste frei (max. {limit})'],
  ['upload.limitSummary.cards.guests.unlimited', 'Unbegrenzte Gäste'],
  ['upload.limitSummary.badges.ok', 'OK'],
  ['upload.limitSummary.badges.warning', 'Warnung'],
  ['upload.limitSummary.badges.limit_reached', 'Limit erreicht'],
  ['upload.limitSummary.badges.unlimited', 'Unbegrenzt'],
]);

const t = (key: string) => translations.get(key) ?? key;

describe('buildLimitSummaries', () => {
  it('builds photo summary with progress and warning tone', () => {
    const limits: EventPackageLimits = {
      photos: {
        limit: 100,
        used: 80,
        remaining: 20,
        percentage: 80,
        state: 'warning',
        threshold_reached: 80,
        next_threshold: 95,
        thresholds: [80, 95],
      },
      guests: null,
      gallery: null,
      can_upload_photos: true,
      can_add_guests: true,
    };

    const cards = buildLimitSummaries(limits, t);

    expect(cards).toHaveLength(1);
    const card = cards[0];
    expect(card.id).toBe('photos');
    expect(card.tone).toBe('warning');
    expect(card.progress).toBe(80);
    expect(card.valueLabel).toBe('80 / 100');
    expect(card.description).toBe('Noch 20 von 100');
    expect(card.badgeLabel).toBe('Warnung');
  });

  it('builds unlimited guest summary without progress', () => {
    const limits: EventPackageLimits = {
      photos: null,
      guests: {
        limit: null,
        used: 5,
        remaining: null,
        percentage: null,
        state: 'unlimited',
        threshold_reached: null,
        next_threshold: null,
        thresholds: [],
      },
      gallery: null,
      can_upload_photos: true,
      can_add_guests: true,
    };

    const cards = buildLimitSummaries(limits, t);

    expect(cards).toHaveLength(1);
    const card = cards[0];
    expect(card.id).toBe('guests');
    expect(card.progress).toBeNull();
    expect(card.tone).toBe('neutral');
    expect(card.valueLabel).toBe('Unbegrenzt');
    expect(card.description).toBe('Unbegrenzte Gäste');
    expect(card.badgeLabel).toBe('Unbegrenzt');
  });

  it('returns empty list when no limits are provided', () => {
    expect(buildLimitSummaries(null, t)).toEqual([]);
    expect(buildLimitSummaries(undefined, t)).toEqual([]);
  });
});