#!/bin/bash

set -e

. ${INSTALLER_DIR}/wizard

OSFAMILY="$(wiz_fact osfamily)"
OSVERSION="$(wiz_fact osversion)"

install_required_dependencies_for_apache2() {
	local dependencies=""
	case "$OSFAMILY" in
		"debian")
			dependencies="subversion git libapache2-mod-perl2 libjson-perl"
			for dependency in $dependencies ; do
				wiz_check_package "$dependency" || apt-get install -y "$dependency"
			done

			if apt-cache show "libapache2-svn" &>/dev/null ; then
				wiz_check_package "libapache2-svn" || apt-get install -y libapache2-svn
			else
				# debian 9
				wiz_check_package "libapache2-mod-svn" || apt-get install -y libapache2-mod-svn
			fi

			a2enmod perl
			a2enmod dav
			a2enmod dav_svn
			a2enmod cgi
			;;
		"redhat")
			dependencies="mod_dav_svn subversion git mod_perl perl-Digest-SHA perl-libwww-perl perl-JSON"
			case "$OSVERSION" in
				8*)
					dependencies="$dependencies perl-Apache-Reload"
					;;
			esac
			for dependency in $dependencies ; do
				wiz_check_package "$dependency" || yum install -y "$dependency"
			done

			wiz_set "repositories/git-http-backend" "/usr/libexec/git-core/git-http-backend/"
			;;
		"suse")
			dependencies="subversion git subversion-server apache2-mod_perl perl-Digest-SHA1 perl-libwww-perl perl-JSON"
			for dependency in $dependencies ; do
				wiz_check_package "$dependency" || zypper install -y "$dependency"
			done

			wiz_set "repositories/git-http-backend" "/usr/lib/git/git-http-backend"

			a2enmod perl
			a2enmod dav
			a2enmod dav_svn
			a2enmod cgi

			;;
	esac
}

case "$(wiz_get "server/autoinstall")" in
	"skip")
		;;
	"install")
		case "$(wiz_get "server/variant")" in
			"apache2")
				install_required_dependencies_for_apache2
				;;
			*)
				echo "Unsupported server variant."
				;;
		esac
		;;
esac