#!/usr/bin/env bash
set -euo pipefail

SCRIPT_VERSION="1.1.0"

# ================================================
# FACTUGES SYNC - Docker Build Script
# -----------------------------------------------
# Uso:
#   ./build.sh <company> [--load]
# ================================================

# ---------- 1. Validación ----------
if [[ $# -eq 0 || "$1" == --* ]]; then
  echo "❌ ERROR: Falta el parámetro <company>"
  echo "Uso: ./build.sh <company> [--load]"
  exit 1
fi

COMPANY="$1"
LOAD=false
[[ "${2:-}" == "--load" ]] && LOAD=true

# ---------- 2. Directorios ----------
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(realpath "${SCRIPT_DIR}/..")"
OUT_DIR="${PROJECT_DIR}/out/${COMPANY}"

mkdir -p "$OUT_DIR"

# ---------- 3. Info ----------
DATE=$(date +'%Y%m%d-%H%M%S')
ISO_DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
USER_NAME=$(whoami)

IMAGE_VERSION=$(sed -n 's/^version[[:space:]]*=[[:space:]]*\(.*\)$/\1/p' "$PROJECT_DIR/setup.cfg" | head -n1)
IMAGE_VERSION="${IMAGE_VERSION:-0.0.0}"

echo ""
echo "-------------------------------------------------------"
echo " FACTUGES SYNC Build Script v${SCRIPT_VERSION}"
echo " Compañía:       ${COMPANY}"
echo " Versión:        ${IMAGE_VERSION}"
echo " Fecha:          ${DATE}"
echo "-------------------------------------------------------"
echo ""

# ---------- 4. Función para generar 1 build ----------
build_image() {
    local MODE="$1"   # factuges | verifactu

    local IMAGE_NAME="factuges-sync-${MODE}"

    local TAG_VERSION="${IMAGE_NAME}:${COMPANY}-${IMAGE_VERSION}"
    local TAG_LATEST="${IMAGE_NAME}:${COMPANY}-latest"

    echo "📦 Construyendo imagen Docker (${MODE})..."

    docker build --no-cache \
      -t "${TAG_VERSION}" \
      -t "${TAG_LATEST}" \
      --build-arg COMPANY="${COMPANY}" \
      -f "${PROJECT_DIR}/Dockerfile.${MODE}" "${PROJECT_DIR}"

    echo "✅ Imagen construida: ${TAG_VERSION}"

    local TAR_V="${OUT_DIR}/${IMAGE_NAME}-${COMPANY}-v${IMAGE_VERSION}-${DATE}.tar"
    local TAR_LATEST="${OUT_DIR}/${IMAGE_NAME}-${COMPANY}-latest.tar"

    docker save -o "${TAR_V}" "${TAG_VERSION}" "${TAG_LATEST}"
    cp -f "${TAR_V}" "${TAR_LATEST}"

    echo "📦 Imagen guardada:"
    echo "  - ${TAR_V}"
    echo "  - ${TAR_LATEST}"

    # Exportamos variables a nivel global para el LOAD opcional
    echo "${TAR_V}"
    echo "${TAR_LATEST}"

    echo "${TAR_V}|${TAR_LATEST}"
}

# ---------- 5. Ejecutar build para ambos modos ----------
BUILD_OUT_FACTUGES=$(build_image "factuges")
FACTUGES_TAR_V=$(echo "$BUILD_OUT_FACTUGES" | cut -d '|' -f1)
FACTUGES_TAR_LATEST=$(echo "$BUILD_OUT_FACTUGES" | cut -d '|' -f2)

BUILD_OUT_VERIFACTU=$(build_image "verifactu")
VERIFACTU_TAR_V=$(echo "$BUILD_OUT_VERIFACTU" | cut -d '|' -f1)
VERIFACTU_TAR_LATEST=$(echo "$BUILD_OUT_VERIFACTU" | cut -d '|' -f2)

# ---------- 6. Manifest ----------
MANIFEST_FILE="${OUT_DIR}/manifest-${IMAGE_VERSION}-${DATE}.json"
cat > "${MANIFEST_FILE}" <<EOF
{
  "company": "${COMPANY}",
  "version": "${IMAGE_VERSION}",
  "build_time": "${ISO_DATE}",
  "docker_images": {
    "factuges": {
      "versioned": "$(basename "${FACTUGES_TAR_V}")",
      "latest": "$(basename "${FACTUGES_TAR_LATEST}")"
    },
    "verifactu": {
      "versioned": "$(basename "${VERIFACTU_TAR_V}")",
      "latest": "$(basename "${VERIFACTU_TAR_LATEST}")"
    }
  }
}
EOF

echo ""
echo "📄 Manifest generado: ${MANIFEST_FILE}"
echo ""

# ---------- 7. LOAD opcional ----------
if [[ "$LOAD" == true ]]; then
  echo "📥 Subiendo imágenes al servidor..."

  # Subimos solo los .tar
  scp -P 49152 "${OUT_DIR}"/*.tar \
    rodax@vps-2.rodax-software.com:/opt/factuges/${COMPANY}/sync/

  scp -P 49152 deploy-cron.sh \
    rodax@vps-2.rodax-software.com:/opt/factuges/${COMPANY}/

  echo "📥 Cargando imágenes en Docker remoto..."

  ssh -p 49152 rodax@vps-2.rodax-software.com <<EOF
  docker load -i /opt/factuges/${COMPANY}/sync/$(basename "${FACTUGES_TAR_V}")
  docker load -i /opt/factuges/${COMPANY}/sync/$(basename "${FACTUGES_TAR_LATEST}")
  docker load -i /opt/factuges/${COMPANY}/sync/$(basename "${VERIFACTU_TAR_V}")
  docker load -i /opt/factuges/${COMPANY}/sync/$(basename "${VERIFACTU_TAR_LATEST}")
EOF

  echo "✔ Todas las imágenes cargadas en producción"
fi

# ---------- 8. Resumen ----------
echo ""
echo "-------------------------------------------------------"
echo "🎯 BUILD COMPLETADO PARA '${COMPANY}'"
echo "  - factuges"
echo "  - verifactu"
[[ "$LOAD" == true ]] && echo "✔ Load OK"
echo "🧩 Script version: ${SCRIPT_VERSION}"
echo "-------------------------------------------------------"
echo ""