#!/bin/bash

workspace='/opt/codiki'
codikiScreenName='codiki'
logFile='codiki-'`date '+%Y-%m-%d_%H-%M-%S'`'.log'
screenRegex='codiki.\(([0-9]{2}/){2}[0-9]{4} [0-9]{2}(:[0-9]{2}){2}\)'
screenRegexInteg='codiki-integ.\(([0-9]{2}/){2}[0-9]{4} [0-9]{2}(:[0-9]{2}){2}\)'

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m'

start() {
    screen -dmS "$codikiScreenName" java -jar $workspace/bin/codiki.jar &>> "$workspace/log/$logFile"
    if [ $? -ne 0 ]
    then
        echo "Service failed to start..."
        exit 1
    fi
}

stop() {
    if [ $(status_by_screen) -eq 1 ]
    then
        screen -dr $codikiScreenName -X -S quit
        if [ $? -eq 0 ]
        then
            sleep 10
        else
            echo "Service failed to stop..."
            exit 1
        fi
    else
        echo "Service is not running."
    fi
}

status() {
    if [ $(status_by_screen) -eq 1 ]
    then
        echo -e " codiki.service - The Codiki web app server"
        echo -e "    Active: ${GREEN}active${NC} (running)"
        echo ''
    else
        echo -e " codiki.service - The Codiki web app server"
        echo -e "    Active: ${RED}inactive${NC} (dead)"
        echo ''
    fi
}

restart() {
    if [ $(status_by_screen) -eq 1 ]
    then
        stop
    fi
    start
}

status_by_screen() {
    echo $(screen -ls | egrep -o "$screenRegex" | wc -l)
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    restart)
        restart
        ;;
    *)
        echo "Usage: $0 {start|stop|status}"
        echo ''
        exit 1
esac
exit 0