urlchar

#!/bin/bash

FILE_PATH="/var/www/html/url.php"

create_file() {
    cat > $FILE_PATH <<EOL
<?php
\$hashtag = "#";
\$e = "&";
\$str = \$_GET['char'];
echo "Usage: url.php?char=yourtext" . "<br/><br/>\n";
echo rawurlencode(\$str) . "<br/><br/>\n";
echo "Showing #: " . rawurlencode(\$hashtag) . "<br/>\n";
echo "Showing &: " . rawurlencode(\$e);
?>
EOL
}

start_server() {
    sudo service apache2 start
    IP_ADDR=$(ip addr show | grep "inet " | grep -v 127.0.0.1 | awk '{print $2}' | cut -d/ -f1 | head -n 1)
    firefox "http://$IP_ADDR/url.php?char=$1" &
}

stop_server() {
    sudo service apache2 stop
}

show_help() {
    echo "Usage:"
    echo "  urlchar start : Starts service and opens the browser."
    echo "  urlchar stop : Stop service."
    echo "  urlchar -c \"your text\" : Opens the browser with the specified text."
    echo "  urlchar -r : Replaces the url.php file."
    echo "  urlchar -h : Shows this help message."
}

if [ ! -d "/var/www/html" ]; then
    echo "Directory /var/www/html does not exist!"
    exit 1
elif [ ! -f "$FILE_PATH" ]; then
    create_file
fi

case "$1" in
    start)
        start_server
        ;;
    -c)
        if [[ -n "$2" ]]; then
            start_server "$2"
        else
            echo "You must provide a text after -c option."
        fi
        ;;
    stop)
        stop_server
        ;;
    -r)
        create_file
        echo "url.php has been replaced."
        ;;
    -h)
        show_help
        ;;
    *)
        echo "Invalid option. Use urlchar -h for help."
        ;;
esac

exit 0