package schema

import (
	"time"

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

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

// Fields of the GameSession.
func (GameSession) Fields() []ent.Field {
	return []ent.Field{
		field.String("id").
			Unique().
			Immutable(),
		field.String("player_name").
			NotEmpty().
			Comment("Name of the player"),
		field.String("user_id").
			Optional().
			Comment("Optional authenticated user ID"),
		field.Int("total_score").
			Default(0).
			NonNegative().
			Comment("Total score accumulated in this session"),
		field.Int("questions_asked").
			Default(0).
			NonNegative().
			Comment("Number of questions asked in this session"),
		field.Int("questions_correct").
			Default(0).
			NonNegative().
			Comment("Number of questions answered correctly"),
		field.Int("hints_used").
			Default(0).
			NonNegative().
			Comment("Number of hints used in this session"),
		field.Time("start_time").
			Default(time.Now).
			Immutable().
			Comment("When the game session started"),
		field.Time("end_time").
			Optional().
			Nillable().
			Comment("When the game session ended"),
		field.Enum("status").
			Values("active", "completed", "timeout", "abandoned").
			Default("active").
			Comment("Current status of the game session"),
		field.String("current_question_id").
			Optional().
			Comment("ID of the current question being asked"),
		field.Int("current_attempts").
			Default(0).
			NonNegative().
			Comment("Number of attempts on current question"),
		field.JSON("session_data", map[string]interface{}{}).
			Optional().
			Comment("Additional session data as JSON"),
	}
}

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

// Indexes of the GameSession.
func (GameSession) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("user_id"),
		index.Fields("status"),
		index.Fields("start_time"),
		index.Fields("end_time"),
		index.Fields("status", "start_time"),
		index.Fields("total_score"),
	}
}