#!/usr/bin/env bash
# http://github.com/w00fz/xdebug-osx
#
# @author   Djamil Legato http://github.com/w00fz/xdebug-osx
# @license  MIT
# @version  1.2

app="$(basename "$0")"
command="$1"
options="$2"
php_version_dot=$(php -dxdebug.mode=off -r "\$v=explode('.', PHP_VERSION ); echo implode('.', array_splice(\$v, 0, -1));")
php_version="${php_version_dot//./}"

xdebug_conf_path="$(brew --prefix)/etc/php/$php_version_dot/conf.d"
xdebug_conf_file="ext-xdebug.ini"
xdebug_conf=${xdebug_conf_path}/${xdebug_conf_file}
extension_dir=$(php -r "echo PEAR_EXTENSION_DIR;")

if [ ! -f "$extension_dir"/xdebug.so ]; then
    if [ ! -f "$xdebug_conf" ] && [ ! -f "$xdebug_conf.disabled" ]; then
        echo ""
        echo "The ini file for Xdebug was not found at '$xdebug_conf_path'"
        echo "Did you install Xdebug via PECL?"
        echo "For more informations: http://github.com/w00fz/xdebug-osx/blob/master/README.md"
        echo ""

        exit 1
    else
        STATUS="enabled"
        IS_PHP_FPM=false
        SERVER_NAME="apache"

        if [ -f "$xdebug_conf" ] && [ -f "$xdebug_conf.disabled" ]; then
            echo ""
            echo "Detected both enabled and disabled Xdebug ini files. Deleting the disabled one."
            echo ""

            rm -rf "$xdebug_conf.disabled"
            STATUS="enabled"
        elif [ -f "$xdebug_conf.disabled" ]; then
            STATUS="disabled"
        fi

        if [ $# -ge 1 ] && [ "$command" == "on" ] || [ "$command" == "off" ]; then
            if [ "$command" == "on" ]; then
                mv "$xdebug_conf.disabled" "$xdebug_conf" 2> /dev/null
                STATUS="enabled"
            elif [ "$command" == "off" ]; then
                mv "$xdebug_conf" "$xdebug_conf.disabled" 2> /dev/null
                STATUS="disabled"
            fi

            current_stable_php_path="$(brew --prefix php)/bin/php"
            if [ -f $(eval echo ${current_stable_php_path}) ]; then
                current_stable_php_version=$(${current_stable_php_path} -dxdebug.mode=off -r "\$v=explode('.', PHP_VERSION ); echo implode('.', array_splice(\$v, 0, -1));")
            fi

            php_plist_file="~/Library/LaunchAgents/homebrew.mxcl.php@$php_version_dot.plist"
            if [ "${php_version_dot}" == "${current_stable_php_version}" ]; then
                php_plist_file="~/Library/LaunchAgents/homebrew.mxcl.php.plist"
            fi

            if [ -f $(eval echo ${php_plist_file}) ]; then
                IS_PHP_FPM=true
                SERVER_NAME="php-fpm"
            fi

            if [ "$options" == '--no-server-restart' ]; then
                echo ""
                echo "Xdebug has been $STATUS. Will not restart $SERVER_NAME"
            else
                if [ "$IS_PHP_FPM" == true ]; then
                    echo ""
                    echo "Xdebug has been $STATUS, restarting $SERVER_NAME"

                    brew services restart php@"${php_version_dot}"
                else
                    echo ""
                    echo "Xdebug has been $STATUS, restarting $SERVER_NAME (it might ask for your password)"

                    sudo pkill -9 httpd
                    sudo apachectl -k restart > /dev/null 2>&1
                fi
            fi
        else
            echo ""
            echo "Usage: ${app} <on | off> [--no-server-restart]"
        fi

        echo ""
        echo "You are running PHP v$php_version_dot with Xdebug $STATUS"
        echo ""
    fi
else
    echo ""
    echo "Xdebug for PHP $php_version_dot was never installed or not installed via PECL."
    echo "For more informations: http://github.com/w00fz/xdebug-osx/blob/master/README.md"
    echo ""
    exit 1
fi