import { describe, it, expect } from 'vitest'
import { mapMeal, mapMeals } from '@/api/mappers/mealMapper'

describe('mealMapper', () => {
  it('maps individual meal date fields to Date instances', () => {
    const input = {
      id: 1,
      suggested_date: '2025-01-01T00:00:00Z',
      purchase_date: '2025-01-02T00:00:00Z',
      consumed_date: '2025-01-03T00:00:00Z',
    }
    const result = mapMeal({ ...input })
    expect(result.suggested_date).toBeInstanceOf(Date)
    expect(result.purchase_date).toBeInstanceOf(Date)
    expect(result.consumed_date).toBeInstanceOf(Date)
  })

  it('maps lists of meals', () => {
    const input = [
      { id: 1, suggested_date: '2025-01-01T00:00:00Z' },
      { id: 2, suggested_date: '2025-01-02T00:00:00Z' },
    ]
    const result = mapMeals(input)
    expect(result).toHaveLength(2)
    expect(result[0].suggested_date).toBeInstanceOf(Date)
  })
})