#!/usr/bin/env bash
# ===============================================================================================================
# deploy-frontend-s3.sh - Sincroniza el frontend React con S3
# Descripción:
#       Sube la carpeta build/ al bucket S3 designado para el sitio estático.
#       La invalidación de CloudFront se realiza en el pipeline (paso 7).
#
# Uso:
#       S3_FRONTEND_BUCKET=ccsoft-proyectosacc-frontend bash deploy-frontend-s3.sh
#
# Autor: Área de Tecnología y Desarrollo - CCsoft
# ===============================================================================================================

set -euo pipefail

# -------------------------------------------------------------------------------
# Validación de variables
# -------------------------------------------------------------------------------
S3_FRONTEND_BUCKET="${S3_FRONTEND_BUCKET:-}"
BUILD_DIR="${BUILD_DIR:-build}"

if [[ -z "$S3_FRONTEND_BUCKET" ]]; then
    echo "[ERROR] Variable S3_FRONTEND_BUCKET no definida" >&2
    exit 1
fi

if [[ ! -d "$BUILD_DIR" ]]; then
    echo "[ERROR] Directorio ${BUILD_DIR} no encontrado" >&2
    exit 1
fi

# -------------------------------------------------------------------------------
# Sincronización a S3
# -------------------------------------------------------------------------------
echo "[INFO] Sincronizando ${BUILD_DIR}/ a s3://${S3_FRONTEND_BUCKET}/ ..."
aws s3 sync "${BUILD_DIR}/" "s3://${S3_FRONTEND_BUCKET}/" --delete
echo "[INFO] Sincronización completada exitosamente"