#!/usr/bin/env bash
# اجرای deploy_settings_const.sql روی یک یا چند دیتابیس — بدون کپی در Navicat.
#
# از ریشهٔ سرور:
#   bash database/sql/run_deploy_settings.sh
#   bash database/sql/run_deploy_settings.sh abaeigold
#   bash database/sql/run_deploy_settings.sh abaeigold gholaktala
#
# اتصال از .env (DB_HOST / DB_PORT / DB_USERNAME / DB_PASSWORD).
# اگر نام DB ندهی، همان DB_DATABASE داخل .env استفاده می‌شود.
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
cd "$ROOT"

SQL_FILE="${SQL_FILE:-database/sql/deploy_settings_const.sql}"

read_env() {
  grep "^${1}=" .env | cut -d= -f2- | tr -d '\r"' | head -1
}

DB_HOST=$(read_env DB_HOST)
DB_PORT=$(read_env DB_PORT)
DB_USERNAME=$(read_env DB_USERNAME)
DB_PASSWORD=$(read_env DB_PASSWORD)
DB_DATABASE=$(read_env DB_DATABASE)

if [[ ! -f "$SQL_FILE" ]]; then
  echo "ERROR: SQL file not found: $SQL_FILE" >&2
  exit 1
fi

if [[ -z "${DB_HOST:-}" || -z "${DB_USERNAME:-}" ]]; then
  echo "ERROR: DB_HOST / DB_USERNAME missing in .env" >&2
  exit 1
fi

if [[ $# -gt 0 ]]; then
  DBS=("$@")
else
  if [[ -z "${DB_DATABASE:-}" ]]; then
    echo "ERROR: no database name. Pass it as argument or set DB_DATABASE in .env" >&2
    exit 1
  fi
  DBS=("$DB_DATABASE")
fi

mysql_run() {
  local db="$1"
  mysql -h "$DB_HOST" -P "${DB_PORT:-3306}" -u "$DB_USERNAME" -p"$DB_PASSWORD" \
    --default-character-set=utf8mb4 "$db"
}

for db in "${DBS[@]}"; do
  echo "==> $SQL_FILE → $db @ $DB_HOST:${DB_PORT:-3306}"
  mysql_run "$db" < "$SQL_FILE"
  echo "    done: $db"
done

echo "==> all done"