#!/bin/bash
#
# Copyright (c) 2023 Contributors to the Eclipse Foundation
# Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
#
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License v. 2.0, which is available at
# http://www.eclipse.org/legal/epl-2.0.
#
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the
# Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
# version 2 with the GNU Classpath Exception, which is available at
# https://www.gnu.org/software/classpath/license.html.
#
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
#

AS_INSTALL=`dirname "$0"`/..
case "`uname`" in
  CYGWIN*) AS_INSTALL=`cygpath --windows $AS_INSTALL`
esac
AS_INSTALL_LIB="$AS_INSTALL/modules"
. "${AS_INSTALL}/config/asenv.conf"
JAVA=java
#Depends upon Java from ../config/asenv.conf
if [ ${AS_JAVA} ]; then
    JAVA=${AS_JAVA}/bin/java
fi

start_as_main_process () {
    local COMMAND

    if [[ "$@" == "--help" ]] || [[ "$@" == "--help=true" ]] || [[ "$@" == "-?" ]]; then
      exec java -jar "$ASADMIN_JAR" start-domain --help
    fi

    # Execute start-domain --dry-run and store the output line by line into an array.
    # The first and last line will not be part of the command to execute, we'll remove them later.
    # If command fails, the last item in the array will be "FAILED"
    DRY_RUN_OUTPUT=()
    while read COM; do
      DRY_RUN_OUTPUT+=("$COM");
    done < <(java -jar "$ASADMIN_JAR" start-domain --dry-run "$@" 2> /dev/null || echo "FAILED" )
    OUTPUT_LENGTH=${#DRY_RUN_OUTPUT[@]}
    LAST_LINE=${DRY_RUN_OUTPUT[${OUTPUT_LENGTH}-1]}

    # If asadmin command failed (last line is FAILED), we execute it again to show
    #   the output to the user and exit
    if [[ "$LAST_LINE" == FAILED ]]
      then
        exec "$JAVA" -jar "$ASADMIN_JAR" start-domain --dry-run "$@"
      else
        # If all OK, execute the command to start GlassFish. 
        # Remove the first and last line as they aren't part of the command.
        FINAL_COMMAND=(${DRY_RUN_OUTPUT[@]:1:${OUTPUT_LENGTH}-2})
        exec "${FINAL_COMMAND[@]}"
    fi

}

ASADMIN_JAR="$AS_INSTALL_LIB/admin-cli.jar"
start_as_main_process "$@"

# Alternatively, run the following:
# exec "$JAVA" -jar "$ASADMIN_JAR" start-domain --verbose "$@"