#!/bin/bash
# WordPress Plugin pre-commit hook

set -e

message="Checking staged changes..."
git_status_egrep='^[MARC].+'

for i; do
	case "$i"
	in
		-m)
			message="Checking any uncommitted changes..."
			git_status_egrep='^.?[MARC].+'
			shift;;
	esac
done

echo $message

# Check for staged JS files
IFS=$'\n' staged_js_files=( $(git status --porcelain | sed 's/[^ ]* -> *//g' | egrep $git_status_egrep'\.js$' | cut -c4-) )
if [ ${#staged_js_files[@]} != 0 ]; then
	# JSHint
	if [ -e .jshintrc ]; then
		echo "## jslint"
		if command -v jshint >/dev/null 2>&1; then
			jshint "${staged_js_files[@]}"
		else
			echo "Skipping jshint since not installed"
		fi
	fi

fi

# Check for staged PHP files
IFS=$'\n' staged_php_files=( $(git status --porcelain | sed 's/[^ ]* -> *//g' | egrep $git_status_egrep'\.php$' | cut -c4-) )
if [ ${#staged_php_files[@]} != 0 ]; then
	# PHP Syntax Check
	for php_file in "${staged_php_files[@]}"; do
		php -lf $php_file
	done

	# PHPUnit
	if [ -e phpunit.xml ] || [ -e phpunit.xml.dist ]; then
		echo "## phpunit"
		if [ "$USER" != 'vagrant' ] && command -v vagrant >/dev/null 2>&1 && command -v vassh >/dev/null 2>&1; then
			echo "Running phpunit in vagrant..."
			vassh phpunit
		elif ! command -v phpunit >/dev/null 2>&1;then
			echo "Skipping phpunit since not installed"
		elif [ -z "$WP_TESTS_DIR" ]; then
			echo "Skipping phpunit since WP_TESTS_DIR env missing"
		else
			phpunit
		fi
	fi

	# PHP_CodeSniffer WordPress Coding Standards
	echo "## phpcs"
	if command -v phpcs >/dev/null 2>&1; then
		phpcs_standard=$(if [ -e ruleset.xml ]; then echo ruleset.xml; else echo WordPress; fi)
		phpcs -p -s -v --standard=$phpcs_standard "${staged_php_files[@]}"
	else
		echo "Skipping phpcs since not installed"
	fi
fi

# Make sure the readme.md never gets out of sync with the readme.txt
generate_markdown_readme=$(find . -name generate-markdown-readme -print -quit)
if [ -n "$generate_markdown_readme" ]; then
	markdown_readme_path=$($generate_markdown_readme)
	git add $markdown_readme_path
fi