package schema

import (
	"time"

	"entgo.io/ent"
	"entgo.io/ent/schema/edge"
	"entgo.io/ent/schema/field"
	"entgo.io/ent/schema/index"
)

// Question holds the schema definition for the Question entity.
type Question struct {
	ent.Schema
}

// Fields of the Question.
func (Question) Fields() []ent.Field {
	return []ent.Field{
		field.String("id").
			Unique().
			Immutable(),
		field.String("theme").
			NotEmpty().
			Comment("The theme category of the question"),
		field.Text("text").
			NotEmpty().
			Comment("The actual question text"),
		field.String("answer").
			NotEmpty().
			Comment("The correct answer to the question"),
		field.Text("hint").
			Optional().
			Comment("Optional hint for the question"),
		field.Enum("difficulty").
			Values("easy", "medium", "hard").
			Default("medium").
			Comment("Difficulty level of the question"),
		field.Bool("is_active").
			Default(true).
			Comment("Whether this question is currently active"),
		field.Time("created_at").
			Default(time.Now).
			Immutable().
			Comment("When the question was created"),
		field.Time("updated_at").
			Default(time.Now).
			UpdateDefault(time.Now).
			Comment("When the question was last updated"),
	}
}

// Edges of the Question.
func (Question) Edges() []ent.Edge {
	return []ent.Edge{
		edge.To("attempts", QuestionAttempt.Type),
		edge.From("current_sessions", GameSession.Type).
			Ref("current_question"),
	}
}

// Indexes of the Question.
func (Question) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("theme"),
		index.Fields("difficulty"),
		index.Fields("is_active"),
		index.Fields("created_at"),
		index.Fields("theme", "difficulty", "is_active"),
	}
}