#!/usr/bin/env bash

# Configure these 2 lines and leave the rest
YOURLS_HOST="https://sho.rt/"
YOURLS_KEY="eb9444558f" # see sho.rt/admin/tools.php

yourls_help() {
    echo "Shorten URLs with YOURLS"
    echo
    echo "Usage:"
    echo "  ${0##*/} <url>"
    echo "  ${0##*/} <url> -k <KEYWORD> -t <TITLE> -f <FORMAT>"
    echo "  ${0##*/} <url> --help"
    echo
    echo "Options:"
    echo "  -h | --help                Show this screen"
    echo "  -k | --keyword <KEYWORD>   Custom keyword"
    echo "  -t | --title <TITLE>       Custom title"
    echo "  -f | --format <FORMAT>     Ouput format (json, xml, simple)"
    exit 1
}

# If no param or param is -h|--help
if [ -z "$1" ] || [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
    yourls_help
fi

# Assuming first parameter is the URL
URL=$1;
shift;

POSITIONAL=()
while [[ $# -gt 0 ]]
do
    key="$1"
    case $key in
        -k|--keyword)
        KEYWORD="$2"
        shift # argument
        shift # value
        ;;
        -t|--title)
        TITLE="$2"
        shift # argument
        shift # value
        ;;
        -f|--format)
        FORMAT="$2"
        shift # argument
        shift # value
        ;;
        -h|--help)
        yourls_help
        exit 1
        ;;
        *)    # unknown option
        echo "${0##*/}: unknown option $1"
        echo "Try '${0##*/} --help' for more information."
        exit 1
        ;;
    esac
done

if [ -z "$FORMAT" ]; then
    FORMAT="simple"
fi

curl -s "$YOURLS_HOST/yourls-api.php?signature=$YOURLS_KEY&action=shorturl&url=$URL&keyword=$KEYWORD&title=$TITLE&format=$FORMAT"