package backend

import (
	"context"
	"music-server/internal/db/repository"
	"github.com/jackc/pgx/v5/pgxpool"
)

// Global variables - these are initialized by InitBackend
var (
	backendPool *pgxpool.Pool
	repo        *repository.Queries
	backendCtx context.Context = context.Background()
)

// InitBackend initializes the backend package with the database pool.
// This should be called once at application startup.
func InitBackend(pool *pgxpool.Pool) {
	backendPool = pool
	repo = repository.New(pool)
	backendCtx = context.Background()
}

// BackendCtx returns the context used by backend operations.
// This is exposed for use by the backend functions.
func BackendCtx() context.Context {
	return backendCtx
}

// BackendRepo returns the repository queries instance.
// This is exposed for use by the backend functions.
func BackendRepo() *repository.Queries {
	return repo
}

// BackendPool returns the underlying database pool.
// This is exposed for test utilities that need direct pool access.
func BackendPool() *pgxpool.Pool {
	return backendPool
}