package schema

import (
	"time"

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

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

// Fields of the QuestionAttempt.
func (QuestionAttempt) Fields() []ent.Field {
	return []ent.Field{
		field.String("id").
			Unique().
			Immutable(),
		field.String("session_id").
			NotEmpty().
			Comment("ID of the game session this attempt belongs to"),
		field.String("question_id").
			NotEmpty().
			Comment("ID of the question being attempted"),
		field.Int("attempt_number").
			Positive().
			Comment("Which attempt this is (1, 2, or 3)"),
		field.String("submitted_answer").
			NotEmpty().
			Comment("The answer submitted by the player"),
		field.Bool("is_correct").
			Comment("Whether the submitted answer was correct"),
		field.Bool("used_hint").
			Default(false).
			Comment("Whether a hint was used for this attempt"),
		field.Int("points_awarded").
			Default(0).
			NonNegative().
			Comment("Points awarded for this attempt"),
		field.Time("submitted_at").
			Default(time.Now).
			Immutable().
			Comment("When this attempt was submitted"),
		field.Int64("time_taken_ms").
			NonNegative().
			Comment("Time taken for this attempt in milliseconds"),
		field.JSON("metadata", map[string]interface{}{}).
			Optional().
			Comment("Additional metadata as JSON"),
	}
}

// Edges of the QuestionAttempt.
func (QuestionAttempt) Edges() []ent.Edge {
	return []ent.Edge{
		edge.From("session", GameSession.Type).
			Ref("attempts").
			Unique().
			Required().
			Field("session_id"),
		edge.To("question", Question.Type).
			Unique().
			Required().
			Field("question_id"),
	}
}

// Indexes of the QuestionAttempt.
func (QuestionAttempt) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("session_id"),
		index.Fields("question_id"),
		index.Fields("submitted_at"),
		index.Fields("is_correct"),
		index.Fields("session_id", "question_id"),
		index.Fields("session_id", "attempt_number"),
	}
}