#!/bin/sh
set -e

ENV_FILE=".env"

[ -f "$ENV_FILE" ] || { echo "Error: $ENV_FILE not found."; exit 1; }

while IFS='=' read -r key value; do
  case "$key" in
    ''|\#*) continue ;;
  esac
  value=$(echo "$value" | sed 's/^"//;s/"$//;s/^'\''//;s/'\''$//')
  export "$key=$value"
done < "$ENV_FILE"

[ -z "$RCON_PORT" ] && echo "Error: RCON_PORT not set." && exit 1
[ -z "$RCON_PASSWORD" ] && echo "Error: RCON_PASSWORD not set." && exit 1
[ -z "$SERVER_NAME" ] && echo "Error: SERVER_NAME not set." && exit 1

COMMAND="$*"

[ -z "$COMMAND" ] && echo "Error: no command provided." && exit 1
[ "$(printf '%s' "$COMMAND" | wc -c)" -gt 256 ] && echo "Error: command too long." && exit 1

LOGFILE="./commands.log"
touch "$LOGFILE"

docker exec -i "${SERVER_NAME}_minecraft" rcon-cli \
  --host localhost \
  --port "${RCON_PORT}" \
  --password "${RCON_PASSWORD}" \
  $COMMAND \
  && echo "$(date '+%Y-%m-%d %H:%M:%S') | $COMMAND" >> "$LOGFILE" \
  && echo "Command sent: $COMMAND" \
  || { echo "Error: failed to send command to server."; exit 1; }