import { signupSchema, signinSchema, addPantryItemSchema, updatePantryItemSchema, addShoppingListItemSchema, updateShoppingListItemSchema, addRecipesToListSchema, recipeQuerySchema, syncQuerySchema } from '../../utils/validators';

describe('Validators', () => {
  describe('signupSchema', () => {
    it('accepts valid signup data', () => {
      const result = signupSchema.safeParse({ email: 'user@example.com', password: 'password123', name: 'Jane' });
      expect(result.success).toBe(true);
    });

    it('rejects invalid email', () => {
      const result = signupSchema.safeParse({ email: 'not-an-email', password: 'password123', name: 'Jane' });
      expect(result.success).toBe(false);
    });

    it('rejects short password', () => {
      const result = signupSchema.safeParse({ email: 'user@example.com', password: 'short', name: 'Jane' });
      expect(result.success).toBe(false);
    });

    it('rejects non-alphanumeric password', () => {
      const result = signupSchema.safeParse({ email: 'user@example.com', password: 'pass!word', name: 'Jane' });
      expect(result.success).toBe(false);
    });

    it('rejects empty name', () => {
      const result = signupSchema.safeParse({ email: 'user@example.com', password: 'password123', name: '' });
      expect(result.success).toBe(false);
    });
  });

  describe('addPantryItemSchema', () => {
    it('accepts valid pantry item', () => {
      const result = addPantryItemSchema.safeParse({ item_name: 'Flour', quantity: 5 });
      expect(result.success).toBe(true);
    });

    it('rejects zero quantity', () => {
      const result = addPantryItemSchema.safeParse({ item_name: 'Flour', quantity: 0 });
      expect(result.success).toBe(false);
    });

    it('rejects negative quantity', () => {
      const result = addPantryItemSchema.safeParse({ item_name: 'Flour', quantity: -1 });
      expect(result.success).toBe(false);
    });

    it('rejects fractional quantity', () => {
      const result = addPantryItemSchema.safeParse({ item_name: 'Flour', quantity: 1.5 });
      expect(result.success).toBe(false);
    });

    it('rejects empty item name', () => {
      const result = addPantryItemSchema.safeParse({ item_name: '', quantity: 5 });
      expect(result.success).toBe(false);
    });
  });

  describe('updatePantryItemSchema', () => {
    it('accepts valid update', () => {
      const result = updatePantryItemSchema.safeParse({ quantity: 3 });
      expect(result.success).toBe(true);
    });

    it('accepts update with last_modified', () => {
      const result = updatePantryItemSchema.safeParse({ quantity: 3, last_modified: '2024-01-15T10:30:00.000Z' });
      expect(result.success).toBe(true);
    });
  });

  describe('addShoppingListItemSchema', () => {
    it('accepts valid item', () => {
      const result = addShoppingListItemSchema.safeParse({ item_name: 'Milk', quantity: 2, unit: 'cups' });
      expect(result.success).toBe(true);
    });

    it('rejects invalid unit', () => {
      const result = addShoppingListItemSchema.safeParse({ item_name: 'Milk', quantity: 2, unit: 'gallons' });
      expect(result.success).toBe(false);
    });

    it('accepts fractional quantity', () => {
      const result = addShoppingListItemSchema.safeParse({ item_name: 'Flour', quantity: 2.5, unit: 'cups' });
      expect(result.success).toBe(true);
    });
  });

  describe('updateShoppingListItemSchema', () => {
    it('accepts partial update', () => {
      const result = updateShoppingListItemSchema.safeParse({ checked_off: true });
      expect(result.success).toBe(true);
    });

    it('rejects empty object', () => {
      const result = updateShoppingListItemSchema.safeParse({});
      expect(result.success).toBe(false);
    });
  });

  describe('addRecipesToListSchema', () => {
    it('accepts valid recipe ids', () => {
      const result = addRecipesToListSchema.safeParse({
        recipe_ids: ['123e4567-e89b-12d3-a456-426614174000'],
        scale_factor: 2,
      });
      expect(result.success).toBe(true);
    });

    it('rejects empty recipe_ids', () => {
      const result = addRecipesToListSchema.safeParse({ recipe_ids: [] });
      expect(result.success).toBe(false);
    });

    it('rejects scale_factor > 3', () => {
      const result = addRecipesToListSchema.safeParse({
        recipe_ids: ['123e4567-e89b-12d3-a456-426614174000'],
        scale_factor: 4,
      });
      expect(result.success).toBe(false);
    });

    it('defaults scale_factor to 1', () => {
      const result = addRecipesToListSchema.safeParse({
        recipe_ids: ['123e4567-e89b-12d3-a456-426614174000'],
      });
      expect(result.success).toBe(true);
      if (result.success) expect(result.data.scale_factor).toBe(1);
    });
  });

  describe('recipeQuerySchema', () => {
    it('defaults to all filter, page 1, limit 20', () => {
      const result = recipeQuerySchema.safeParse({});
      expect(result.success).toBe(true);
      if (result.success) {
        expect(result.data.filter).toBe('all');
        expect(result.data.page).toBe(1);
        expect(result.data.limit).toBe(20);
      }
    });

    it('rejects limit > 50', () => {
      const result = recipeQuerySchema.safeParse({ limit: '51' });
      expect(result.success).toBe(false);
    });
  });

  describe('syncQuerySchema', () => {
    it('accepts valid ISO timestamp', () => {
      const result = syncQuerySchema.safeParse({ since: '2024-01-15T10:30:00.000Z' });
      expect(result.success).toBe(true);
    });

    it('rejects invalid timestamp', () => {
      const result = syncQuerySchema.safeParse({ since: 'not-a-date' });
      expect(result.success).toBe(false);
    });
  });
});