#!/bin/sh

# Modified from: https://github.com/bjornjohansen/wp-pre-commit-hook
# Also: https://softdiscover.com/wordpress/perfect-setup-for-a-wordpress-project-development/

PROJECT=`php -r "echo dirname(dirname(dirname(realpath('$0'))));"`
STAGED_FILES_CMD=`git diff --cached --name-only --diff-filter=ACMR HEAD | grep \\\\.php`

# Determine if a file list is passed
if [ "$#" -eq 1 ]
then
    oIFS=$IFS
    IFS='
    '
    SFILES="$1"
    IFS=$oIFS
fi
SFILES=${SFILES:-$STAGED_FILES_CMD}

echo "Checking PHP Lint..."
for FILE in $SFILES
do
    php -l -d display_errors=0 $PROJECT/$FILE
    if [ $? != 0 ]
    then
        echo "Fix the error before commit."
        exit 1
    fi
    FILES="$FILES $PROJECT/$FILE"
done

if [ -f "$PROJECT/phpcs.ruleset.xml" ]
then
    RULESET="$PROJECT/phpcs.ruleset.xml"
elif [ -f "$PROJECT/phpcs.xml.dist" ]
then
    RULESET="$PROJECT/phpcs.xml.dist"
else
    RULESET="WordPress"
fi

if [ "$FILES" != "" ]
then
    echo "Checking Code Standard Compliance, using $RULESET as ruleset standard..."
		./vendor/bin/phpcs --standard="$RULESET" --colors --encoding=utf-8 -n -p $FILES
		if [ $? != 0 ]
		then
				echo "Coding standards errors have been detected. Running phpcbf..."
				./vendor/bin/phpcbf --standard="$RULESET" --encoding=utf-8 -n -p $FILES
				git add $FILES
				echo "Running Code Sniffer again..."
				./vendor/bin/phpcs --standard="$RULESET" --colors --encoding=utf-8 -n -p $FILES
				if [ $? != 0 ]
				then
						echo "Errors found not fixable automatically. You need to manually fix them."
						exit 1
				fi
		fi
fi

exit $?