package menu

// MenuPlan is a weekly meal plan for a user.
type MenuPlan struct {
	ID        string    `json:"id"`
	WeekStart string    `json:"week_start"` // YYYY-MM-DD (Monday)
	Days      []MenuDay `json:"days"`
}

// MenuDay groups three meal slots for one calendar day.
type MenuDay struct {
	Day           int        `json:"day"` // 1=Monday … 7=Sunday
	Date          string     `json:"date"`
	Meals         []MealSlot `json:"meals"`
	TotalCalories float64    `json:"total_calories"`
}

// MealSlot holds a single meal within a day.
type MealSlot struct {
	ID       string      `json:"id"`
	MealType string      `json:"meal_type"` // breakfast | lunch | dinner
	Recipe   *MenuRecipe `json:"recipe,omitempty"`
}

// MenuRecipe is a thin projection of a saved recipe used in the menu view.
type MenuRecipe struct {
	ID        string        `json:"id"`
	Title     string        `json:"title"`
	ImageURL  string        `json:"image_url"`
	Nutrition NutritionInfo `json:"nutrition_per_serving"`
}

// NutritionInfo holds macronutrient data.
type NutritionInfo struct {
	Calories float64 `json:"calories"`
	ProteinG float64 `json:"protein_g"`
	FatG     float64 `json:"fat_g"`
	CarbsG   float64 `json:"carbs_g"`
}

// PlanItem is the input needed to create one menu_items row.
type PlanItem struct {
	DayOfWeek int
	MealType  string
	RecipeID  string
}

// ShoppingItem is one entry in the shopping list.
type ShoppingItem struct {
	Name     string  `json:"name"`
	Category string  `json:"category"`
	Amount   float64 `json:"amount"`
	Unit     string  `json:"unit"`
	Checked  bool    `json:"checked"`
	InStock  float64 `json:"in_stock"`
}