#!/usr/bin/env bash
set -x
set -e

is_prod=false
args="$(getopt -o '' --long prod -- "$@")"
eval "set -- $args"
while true; do
    case "$1" in
        --prod)
            is_prod=true
            shift
            ;;
        --)
            shift
            break
            ;;
    esac
done

is_centos=false
is_rhel=false
if [ -e /etc/centos-release ]; then
    is_centos=true
    yum install -y epel-release

    if [ "$is_prod" = true ]; then
        # IUS is needed for installing python36u-mod_wsgi on prod env
        yum localinstall -y https://centos7.iuscommunity.org/ius-release.rpm
    fi

elif grep -q "Red Hat" /etc/redhat-release; then
    is_rhel=true
    yum localinstall -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
fi

yum update -y

# "Development Tools" is the equivalent of build-essential
yum groupinstall -y "Development Tools"

RHVER="$(rpm -qf --queryformat="%{VERSION}" /etc/redhat-release)"
RHARCH="$(rpm -qf --queryformat="%{ARCH}" /etc/redhat-release)"
PGVER=10
if [ "$is_centos" = true ]; then
    # PostgreSQL $PGVER
    yum localinstall -y "https://yum.postgresql.org/$PGVER/redhat/rhel-$RHVER-$RHARCH/pgdg-redhat-repo-latest.noarch.rpm"

    # PGroonga
    # https://pgroonga.github.io/install/centos.html
    yum localinstall -y https://packages.groonga.org/centos/groonga-release-latest.noarch.rpm
elif [ "$is_rhel" = true ]; then
    yum localinstall -y https://download.postgresql.org/pub/repos/yum/10/redhat/rhel-latest-x86_64/pgdg-redhat10-10-2.noarch.rpm
    yum localinstall -y https://packages.groonga.org/centos/groonga-release-latest.noarch.rpm
else
    # TODO make the postgres version a variable.
    PGVER=13
    dnf install -y "https://download.postgresql.org/pub/repos/yum/reporpms/F-$RHVER-x86_64/pgdg-fedora-repo-latest.noarch.rpm"
fi