package dish

import "time"

// Dish is a canonical dish record combining dish metadata with optional recipes.
type Dish struct {
	ID           string    `json:"id"`
	CuisineSlug  *string   `json:"cuisine_slug"`
	CategorySlug *string   `json:"category_slug"`
	Name         string    `json:"name"`
	Description  *string   `json:"description"`
	ImageURL     *string   `json:"image_url"`
	Tags         []string  `json:"tags"`
	AvgRating    float64   `json:"avg_rating"`
	ReviewCount  int       `json:"review_count"`
	Recipes      []Recipe  `json:"recipes,omitempty"`
	CreatedAt    time.Time `json:"created_at"`
	UpdatedAt    time.Time `json:"updated_at"`
}

// Recipe is a cooking variant attached to a Dish.
type Recipe struct {
	ID                 string             `json:"id"`
	DishID             string             `json:"dish_id"`
	Source             string             `json:"source"`
	Difficulty         *string            `json:"difficulty"`
	PrepTimeMin        *int               `json:"prep_time_min"`
	CookTimeMin        *int               `json:"cook_time_min"`
	Servings           *int               `json:"servings"`
	CaloriesPerServing *float64           `json:"calories_per_serving"`
	ProteinPerServing  *float64           `json:"protein_per_serving"`
	FatPerServing      *float64           `json:"fat_per_serving"`
	CarbsPerServing    *float64           `json:"carbs_per_serving"`
	FiberPerServing    *float64           `json:"fiber_per_serving"`
	Ingredients        []RecipeIngredient `json:"ingredients"`
	Steps              []RecipeStep       `json:"steps"`
	Notes              *string            `json:"notes,omitempty"`
	CreatedAt          time.Time          `json:"created_at"`
	UpdatedAt          time.Time          `json:"updated_at"`
}

// RecipeIngredient is a single ingredient row from recipe_ingredients.
type RecipeIngredient struct {
	ID           string   `json:"id"`
	IngredientID *string  `json:"ingredient_id"`
	Name         string   `json:"name"`
	Amount       float64  `json:"amount"`
	UnitCode     *string  `json:"unit_code"`
	IsOptional   bool     `json:"is_optional"`
	SortOrder    int      `json:"sort_order"`
}

// RecipeStep is a single step row from recipe_steps.
type RecipeStep struct {
	ID           string  `json:"id"`
	StepNumber   int     `json:"step_number"`
	Description  string  `json:"description"`
	TimerSeconds *int    `json:"timer_seconds"`
	ImageURL     *string `json:"image_url"`
}

// DishSearchResult is a lightweight dish returned by the search endpoint.
type DishSearchResult struct {
	ID                 string   `json:"id"`
	Name               string   `json:"name"`
	ImageURL           *string  `json:"image_url,omitempty"`
	AvgRating          float64  `json:"avg_rating"`
	CaloriesPerServing *float64 `json:"calories_per_serving,omitempty"`
}

// CreateRequest is the body used to create a new dish + recipe at once.
// Used when saving a Gemini-generated recommendation.
type CreateRequest struct {
	Name         string             `json:"name"`
	Description  string             `json:"description"`
	CuisineSlug  string             `json:"cuisine_slug"`
	ImageURL     string             `json:"image_url"`
	Tags         []string           `json:"tags"`
	Source       string             `json:"source"`
	Difficulty   string             `json:"difficulty"`
	PrepTimeMin  int                `json:"prep_time_min"`
	CookTimeMin  int                `json:"cook_time_min"`
	Servings     int                `json:"servings"`
	Calories     float64            `json:"calories_per_serving"`
	Protein      float64            `json:"protein_per_serving"`
	Fat          float64            `json:"fat_per_serving"`
	Carbs        float64            `json:"carbs_per_serving"`
	Ingredients  []IngredientInput  `json:"ingredients"`
	Steps        []StepInput        `json:"steps"`
}

// IngredientInput is a single ingredient in the create request.
type IngredientInput struct {
	Name       string  `json:"name"`
	Amount     float64 `json:"amount"`
	Unit       string  `json:"unit"`
	IsOptional bool    `json:"is_optional"`
}

// StepInput is a single step in the create request.
type StepInput struct {
	Number       int    `json:"number"`
	Description  string `json:"description"`
	TimerSeconds *int   `json:"timer_seconds"`
}