from django.db import models

# Create your models here.
# planner/models.py

from django.db import models

class Ingredient(models.Model):
    name = models.CharField(max_length=100)
    unit = models.CharField(max_length=50)  # e.g., grams, cups

    def __str__(self):
        return self.name

class Meal(models.Model):
    name = models.CharField(max_length=100)
    ingredients = models.ManyToManyField(Ingredient, through='MealIngredient')

    def __str__(self):
        return self.name

class MealIngredient(models.Model):
    meal = models.ForeignKey(Meal, on_delete=models.CASCADE)
    ingredient = models.ForeignKey(Ingredient, on_delete=models.CASCADE)
    quantity = models.FloatField()

    def __str__(self):
        return f"{self.quantity} {self.ingredient.unit} of {self.ingredient.name} for {self.meal.name}"

class MealPlan(models.Model):
    date = models.DateField()
    meal = models.ForeignKey(Meal, on_delete=models.CASCADE)

    def __str__(self):
        return f"{self.date} - {self.meal.name}"