#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# OS specific support.  $var _must_ be set to either true or false.
cygwin=false
os400=false
darwin=false
case "`uname`" in
CYGWIN*) cygwin=true;;
OS400*) os400=true;;
Darwin*) darwin=true;;
esac

# resolve links - $0 may be a softlink
PRG="$0"

while [ -h "$PRG" ]; do
  ls=`ls -ld "$PRG"`
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
  else
    PRG=`dirname "$PRG"`/"$link"
  fi
done

# Get standard environment variables
PRGDIR=`dirname "$PRG"`

# Only set OODT_HOME if not already set
[ -z "$OODT_HOME" ] && OODT_HOME=`cd "$PRGDIR/.." ; pwd`

# Get OODT environment set up
if [ -r "$OODT_HOME"/bin/env.sh ]; then
  . "$OODT_HOME"/bin/env.sh
fi

# Only output this if we have a TTY
if [ $have_tty -eq 1 ]; then
  echo "Using OODT_BASE:   $OODT_BASE"
  echo "Using OODT_HOME:   $OODT_HOME"
  echo "Using OODT_TMPDIR: $OODT_TMPDIR"
  if [ "$1" = "debug" ] ; then
    echo "Using JAVA_HOME:       $JAVA_HOME"
  else
    echo "Using JRE_HOME:        $JRE_HOME"
  fi
  echo "Using CLASSPATH:       $CLASSPATH"
fi

WORKFLOW_EXEC=wmgr
RESMGR_EXEC=resmgr
FILEMGR_EXEC=filemgr
TOMCAT_EXEC=catalina.sh

# Check that target executable exists
if [ ! -x "$FILEMGR_HOME"/bin/"$FILEMGR_EXEC" ]; then
  echo "Cannot find $FILEMGR_HOME/bin/$FILEMGR_EXEC"
  echo "This file is needed to run this program"
  exit 1
fi

# Check that target executable exists
if [ ! -x "$WORKFLOW_HOME"/bin/"$WORKFLOW_EXEC" ]; then
  echo "Cannot find $WORKFLOW_HOME/bin/$WORKFLOW_EXEC"
  echo "This file is needed to run this program"
  exit 1
fi

# Check that target executable exists
if [ ! -x "$RESMGR_HOME"/bin/"$RESMGR_EXEC" ]; then
  echo "Cannot find $RESMGR_HOME/bin/$RESMGR_EXEC"
  echo "This file is needed to run this program"
  exit 1
fi

# Check that target executable exists
if [ ! -x "$OODT_BASE"/tomcat/bin/"$TOMCAT_EXEC" ]; then
  echo "Cannot find $OODT_BASE/tomcat/bin/$TOMCAT_EXEC"
  echo "This file is needed to run this program"
  exit 1
fi

if [ "$1" = "start" ]; then
  exec "$FILEMGR_HOME"/bin/"$FILEMGR_EXEC" start "$@" >> "$OODT_OUT" 2>&1  &
  exec "$WORKFLOW_HOME"/bin/"$WORKFLOW_EXEC" start "$@" >> "$OODT_OUT" 2>&1  &
  exec "$RESMGR_HOME"/bin/"$RESMGR_EXEC" start "$@" >> "$OODT_OUT" 2>&1  &  
  exec "$OODT_BASE"/tomcat/bin/"$TOMCAT_EXEC" start "$@" >> "$OODT_OUT" 2>&1 &
  sleep 0.2s
# Print confirmation messages to the end user
# FileManager
# check if the PID file exists:
  if [ ! -e "../filemgr/run/cas.filemgr.pid" ] 
  then
    # no pid file was created by the process, it must have failed.
    echo -e 'Starting OODT File Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'

  else
    # pid file exists, check if the associated process is running.
    if kill -0 `cat ../filemgr/run/cas.filemgr.pid` > /dev/null 2>&1;
    then
        echo -e 'Starting OODT File Manager [' $'\e[32m' 'Successful' $'\e[00m' ']'
    else
        echo -e 'Starting OODT File Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'
    fi
  fi

# ResourceManager
# check if the PID file exists:
  if [ ! -e "../resmgr/run/cas.resmgr.pid" ]
  then
    # no pid file was created by the process, it must have failed.
    echo -e 'Starting OODT Resource Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'

  else
    # pid file exists, check if the associated process is running.
    if kill -0 `cat ../resmgr/run/cas.resmgr.pid` > /dev/null 2>&1;
    then
        echo -e 'Starting OODT Resource Manager [' $'\e[32m' 'Successful' $'\e[00m' ']'
    else
        echo -e 'Starting OODT Resource Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'
    fi
  fi


# WorkflowManager
# check if the PID file exists:
  if [ ! -e "../workflow/run/cas.workflow.pid" ]
  then
    # no pid file was created by the process, it must have failed.
    echo -e 'Starting OODT Workflow Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'

  else
    # pid file exists, check if the associated process is running.
    if kill -0 `cat ../workflow/run/cas.workflow.pid` > /dev/null 2>&1;
    then
        echo -e 'Starting OODT Workflow Manager [' $'\e[32m' 'Successful' $'\e[00m' ']'
    else
        echo -e 'Starting OODT Workflow Manager [' $'\e[31m' 'Failed' $'\e[00m' ']'
    fi
  fi
elif [ "$1" = "stop" ]; then
  exec "$FILEMGR_HOME"/bin/"$FILEMGR_EXEC" stop "$@" >> "$OODT_OUT" 2>&1  &
  exec "$WORKFLOW_HOME"/bin/"$WORKFLOW_EXEC" stop "$@" >> "$OODT_OUT" 2>&1 &
  exec "$RESMGR_HOME"/bin/"$RESMGR_EXEC" stop "$@" >> "$OODT_OUT" 2>&1 &
  exec "$OODT_BASE"/tomcat/bin/"$TOMCAT_EXEC" stop "$@" >> "$OODT_OUT" 2>&1 &
else
  echo "Usage: oodt.sh ( commands ... )"
  echo "commands:"
  echo "  start             Start OODT in a separate window"
  echo "  stop              Stop OODT, waiting up to 5 seconds for the process to end"
#  echo "  version           What version of OODT are you running?"
  exit 1
fi