#!/usr/bin/env bash
DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )

shopt -s extglob
configfile=$DIR"/wp-test.conf" # set the actual path name of your (DOS or Unix) config file

if [ ! -f $configfile ]; then
    configfile=$DIR"/wp-test.conf.default" # set the actual path name of your (DOS or Unix) config file
fi

tr -d '\r' < $configfile > $configfile.unix
while IFS='= ' read lhs rhs
do
    if [[ ! $lhs =~ ^\ *# && -n $lhs ]]; then
        rhs="${rhs%%\#*}"    # Del in line right comments
        rhs="${rhs%%*( )}"   # Del trailing spaces
        rhs="${rhs%\"*}"     # Del opening string quotes 
        rhs="${rhs#\"*}"     # Del closing string quotes 
        declare $lhs="$rhs"
    fi
done < $configfile.unix

rm $configfile.unix

WP_TESTS_DIR=${WP_TESTS_DIR-/tmp/wordpress-tests-lib}
WP_CORE_DIR=${WP_CORE_DIR-/tmp/wordpress/}

set -ex

install_wp() {
	mkdir -p $WP_CORE_DIR

	if [ $WP_VERSION == 'latest' ]; then 
		local ARCHIVE_NAME='latest'
	else
		local ARCHIVE_NAME="wordpress-$WP_VERSION"
	fi

	wget -nv -O /tmp/wordpress.tar.gz https://wordpress.org/${ARCHIVE_NAME}.tar.gz
	tar --strip-components=1 -zxmf /tmp/wordpress.tar.gz -C $WP_CORE_DIR

	wget -nv -O $WP_CORE_DIR/wp-content/db.php https://raw.github.com/markoheijnen/wp-mysqli/master/db.php
}

install_test_suite() {
	# portable in-place argument for both GNU sed and Mac OSX sed
	if [[ $(uname -s) == 'Darwin' ]]; then
		local ioption='-i .bak'
	else
		local ioption='-i'
	fi

	# set up testing suite
	mkdir -p $WP_TESTS_DIR
	cd $WP_TESTS_DIR
	svn co --quiet https://develop.svn.wordpress.org/trunk/tests/phpunit/includes/

	wget -nv -O wp-tests-config.php https://develop.svn.wordpress.org/trunk/wp-tests-config-sample.php
	sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR':" wp-tests-config.php
	sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" wp-tests-config.php
	sed $ioption "s/yourusernamehere/$DB_USER/" wp-tests-config.php
	sed $ioption "s/yourpasswordhere/$DB_PASS/" wp-tests-config.php
	sed $ioption "s|localhost|${DB_HOST}|" wp-tests-config.php
}

install_db() {
	# parse DB_HOST for port or socket references
	local PARTS=(${DB_HOST//\:/ })
	local DB_HOSTNAME=${PARTS[0]};
	local DB_SOCK_OR_PORT=${PARTS[1]};
	local EXTRA=""

	if ! [ -z $DB_HOSTNAME ] ; then
		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
			EXTRA=" --socket=$DB_SOCK_OR_PORT"
		elif ! [ -z $DB_HOSTNAME ] ; then
			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
		fi
	fi

	# drop the existing test database 
	mysql -u$DB_USER --password="$DB_PASS" -e "DROP DATABASE IF EXISTS $DB_NAME"
	# create database
	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
}

install_wp
install_test_suite
install_db