package product

import "time"

// Product is a user's food item in their pantry.
type Product struct {
	ID                 string    `json:"id"`
	UserID             string    `json:"user_id"`
	PrimaryIngredientID *string  `json:"primary_ingredient_id"`
	Name               string    `json:"name"`
	Quantity           float64   `json:"quantity"`
	Unit               string    `json:"unit"`
	Category           *string   `json:"category"`
	StorageDays        int       `json:"storage_days"`
	AddedAt            time.Time `json:"added_at"`
	ExpiresAt          time.Time `json:"expires_at"`
	DaysLeft           int       `json:"days_left"`
	ExpiringSoon       bool      `json:"expiring_soon"`
}

// CreateRequest is the body for POST /products.
type CreateRequest struct {
	PrimaryIngredientID *string  `json:"primary_ingredient_id"`
	// Accept both "primary_ingredient_id" (new) and "mapping_id" (legacy client) fields.
	MappingID           *string  `json:"mapping_id"`
	Name                string   `json:"name"`
	Quantity            float64  `json:"quantity"`
	Unit                string   `json:"unit"`
	Category            *string  `json:"category"`
	StorageDays         int      `json:"storage_days"`
}

// UpdateRequest is the body for PUT /products/{id}.
// All fields are optional (nil = keep existing value).
type UpdateRequest struct {
	Name        *string  `json:"name"`
	Quantity    *float64 `json:"quantity"`
	Unit        *string  `json:"unit"`
	Category    *string  `json:"category"`
	StorageDays *int     `json:"storage_days"`
}