package handlers

import (
	"context"
	"go-backend/internal/database/sqlc"
	"go-backend/internal/services"
)

// UserService and AuthService are defined here, on the consumer side, so
// handlers depend only on the methods they actually use and tests can swap
// in fakes without touching the services package.

type UserService interface {
	FindByID(ctx context.Context, id string) (*sqlc.UserAuth, error)
	FindByUsername(ctx context.Context, username string) (*sqlc.UserAuth, error)
	CreateUser(ctx context.Context, userInput sqlc.InsertUserParams) (*sqlc.UserAuth, error)
}

type AuthService interface {
	CreateSession(ctx context.Context, userID string) (*services.SessionWithToken, error)
	ValidateSessionToken(ctx context.Context, token string) (*sqlc.UserSession, error)
}

type Handler struct {
	users UserService
	auth  AuthService
}

func NewHandler(users UserService, auth AuthService) *Handler {
	return &Handler{
		users: users,
		auth:  auth,
	}
}