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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ENV_FILE="${ENV_FILE:-$ROOT_DIR/docker/.env.multisite}"
COMPOSE_FILE="$ROOT_DIR/docker/docker-compose.multisite.yml"

upsert_env_var() {
  local key="$1"
  local value="$2"

  if grep -qE "^${key}=" "$ENV_FILE"; then
    sed -i "s#^${key}=.*#${key}=${value}#" "$ENV_FILE"
  else
    printf '\n%s=%s\n' "$key" "$value" >> "$ENV_FILE"
  fi
}

load_env_file() {
  local env_file="$1"
  local line key value

  while IFS= read -r line || [[ -n "$line" ]]; do
    line="${line%$'\r'}"
    [[ -z "$line" || "$line" =~ ^[[:space:]]*# ]] && continue
    [[ "$line" != *=* ]] && continue

    key="${line%%=*}"
    value="${line#*=}"
    export "$key=$value"
  done < "$env_file"
}

if [[ ! -f "$ENV_FILE" ]]; then
  echo "File env non trovato: $ENV_FILE"
  echo "Crea il file da template: cp docker/.env.multisite.example docker/.env.multisite"
  exit 1
fi

load_env_file "$ENV_FILE"

if [[ -z "${APP_KEY:-}" ]]; then
  GENERATED_APP_KEY="base64:$(openssl rand -base64 32 | tr -d '\n')"
  upsert_env_var "APP_KEY" "$GENERATED_APP_KEY"
  APP_KEY="$GENERATED_APP_KEY"
  echo "APP_KEY generata automaticamente in $ENV_FILE"
fi

echo "[0/4] Preparazione persistenza host..."
"$ROOT_DIR/scripts/ops/netgescon-prepare-multisite-host-paths.sh" --env-file "$ENV_FILE"

echo "[1/4] Validazione compose..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" config >/tmp/netgescon-multisite.config

echo "[2/4] Build immagini..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" build prod_app demo_app

echo "[3/4] Avvio stack multisito..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" up -d

echo "[4/4] Stato servizi..."
docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" ps

echo "Deploy completato."