package diary

import "time"

// Entry is a single meal diary record.
type Entry struct {
	ID        string    `json:"id"`
	Date      string    `json:"date"` // YYYY-MM-DD
	MealType  string    `json:"meal_type"`
	Name      string    `json:"name"`                // from dishes or products JOIN
	Portions  float64   `json:"portions"`
	Calories  *float64  `json:"calories,omitempty"`  // recipe.calories_per_serving * portions, or product * portion_g
	ProteinG  *float64  `json:"protein_g,omitempty"`
	FatG      *float64  `json:"fat_g,omitempty"`
	CarbsG    *float64  `json:"carbs_g,omitempty"`
	Source    string    `json:"source"`
	DishID    *string   `json:"dish_id,omitempty"`
	ProductID *string   `json:"product_id,omitempty"`
	RecipeID  *string   `json:"recipe_id,omitempty"`
	PortionG  *float64  `json:"portion_g,omitempty"`
	JobID     *string   `json:"job_id,omitempty"`
	CreatedAt time.Time `json:"created_at"`
}

// RecentDiaryItem is a lightweight summary of a recently logged product or dish.
type RecentDiaryItem struct {
	ItemType           string   `json:"item_type"` // "dish" | "product"
	DishID             *string  `json:"dish_id,omitempty"`
	ProductID          *string  `json:"product_id,omitempty"`
	Name               string   `json:"name"`
	ImageURL           *string  `json:"image_url,omitempty"`
	CategoryName       *string  `json:"category_name,omitempty"`
	CaloriesPer100g    *float64 `json:"calories_per_100g,omitempty"`
	CaloriesPerServing *float64 `json:"calories_per_serving,omitempty"`
}

// CreateRequest is the body for POST /diary.
type CreateRequest struct {
	Date      string   `json:"date"`
	MealType  string   `json:"meal_type"`
	Name      string   `json:"name"`      // input-only; used if DishID is nil and ProductID is nil
	Portions  float64  `json:"portions"`
	Source    string   `json:"source"`
	DishID    *string  `json:"dish_id"`
	ProductID *string  `json:"product_id"`
	RecipeID  *string  `json:"recipe_id"`
	PortionG  *float64 `json:"portion_g"`
	JobID     *string  `json:"job_id"`
}