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

// ---------------------------------------------------------------------------
// Logic extracted from the league home page component
// ---------------------------------------------------------------------------

type SeasonStatus = 'pre_draft' | 'draft' | 'active' | 'completed';

/**
 * Mirrors the isDraftOrPreDraft and draft-order-card visibility logic
 * from app/routes/leagues/$leagueId.tsx:
 *
 *   const isDraftOrPreDraft = season?.status === "pre_draft" || season?.status === "draft";
 *   ...
 *   {season && isDraftOrPreDraft && draftSlots.length > 0 && <DraftOrderCard />}
 */
function shouldShowDraftOrderCard(
  season: { status: SeasonStatus } | null,
  draftSlotCount: number
): boolean {
  if (!season) return false;
  const isDraftOrPreDraft = season.status === 'pre_draft' || season.status === 'draft';
  return isDraftOrPreDraft && draftSlotCount > 0;
}

// ---------------------------------------------------------------------------
// Tests
// ---------------------------------------------------------------------------

describe('Draft Order Card Visibility', () => {
  describe('visible states (pre_draft / draft)', () => {
    it('shows when status is pre_draft and draft slots are set', () => {
      expect(shouldShowDraftOrderCard({ status: 'pre_draft' }, 4)).toBe(true);
    });

    it('shows when status is draft and draft slots are set', () => {
      expect(shouldShowDraftOrderCard({ status: 'draft' }, 4)).toBe(true);
    });

    it('shows with a single draft slot', () => {
      expect(shouldShowDraftOrderCard({ status: 'pre_draft' }, 1)).toBe(true);
    });
  });

  describe('hidden states (active / completed)', () => {
    it('hides when status is active even if draft slots exist', () => {
      expect(shouldShowDraftOrderCard({ status: 'active' }, 4)).toBe(false);
    });

    it('hides when status is completed even if draft slots exist', () => {
      expect(shouldShowDraftOrderCard({ status: 'completed' }, 4)).toBe(false);
    });
  });

  describe('no draft slots', () => {
    it('hides when no draft slots are set (pre_draft)', () => {
      expect(shouldShowDraftOrderCard({ status: 'pre_draft' }, 0)).toBe(false);
    });

    it('hides when no draft slots are set (draft)', () => {
      expect(shouldShowDraftOrderCard({ status: 'draft' }, 0)).toBe(false);
    });
  });

  describe('no season', () => {
    it('hides when there is no season', () => {
      expect(shouldShowDraftOrderCard(null, 4)).toBe(false);
    });
  });
});
