#!/bin/bash

set -e

QUIET=false
#SFLOG="/start.log"

#print timestamp
timestamp() {
    date +"%Y-%m-%d %T"
}

#screen/file logger
sflog() {
    #if $1 is not null
    if [ ! -z ${1+x} ]; then
        message=$1
    else
        #exit function
        return 1;
    fi
    #if $QUIET is not true
    if ! $($QUIET); then
        echo "${message}"
    fi
    #if $SFLOG is not null
    if [ ! -z ${SFLOG+x} ]; then
        #if $2 is regular file or does not exist
        if [ -f ${SFLOG} ] || [ ! -e ${SFLOG} ]; then
            echo "$(timestamp) ${message}" >> ${SFLOG}
        fi
    fi
}

#start services function
startc() {
    sflog "Services for container are being started..."
    /etc/init.d/fcgiwrap start > /dev/null
    /etc/init.d/nginx start > /dev/null
    sflog "The container services have started..."
}

#stop services function
stopc() {
    sflog "Services for container are being stopped..."
    /etc/init.d/nginx stop > /dev/null
    /etc/init.d/fcgiwrap stop > /dev/null
    sflog "Services for container have successfully stopped. Exiting."
    exit 0
}

#trap "docker stop <container>" and shuts services down cleanly
trap "(stopc)" TERM INT

#startup

#test for ENV varibale $FQDN
if [ ! -z ${FQDN+x} ]; then
    sflog "FQDN is set to ${FQDN}"
else
    export FQDN=dehub
    sflog "FQDN is set to ${FQDN}"
fi

#modify config files with fqdn
sed -i "s,MYSERVER,${FQDN},g" /etc/nginx/nginx.conf &> /dev/null

# create the individual repo directories
while [ ! -z "$1" ]; do
    dir="/repos/$1.git";
    if [ ! -d "$dir" ]; then
        echo "Initializing repo $1"
        mkdir "$dir"
        git init --bare "$dir"
        git config -f "$dir/config" http.receivepack true
        git config -f "$dir/config" receive.denyNonFastForwards true
        git symbolic-ref HEAD refs/heads/main
        chown -R git:git "$dir"
    fi

    mkdir -p "$dir/hooks"
    cp /pre-receive "$dir/hooks/"
    chmod +x "$dir/hooks/pre-receive"

    shift
done

#start init.d services
startc

#pause script to keep container running...
sflog "Services for container successfully started."
sflog "Dumping logs"
tail -f /var/log/nginx/*.log