#!/bin/bash -eu

# Copyright (c) Kim Alvefur

# This file is MIT/X11 licensed.

# Dependencies:

# - https://httpie.io/

# - https://hg.sr.ht/~zash/httpie-oauth2

# shellcheck disable=SC1091

# Settings

HOST=""

DOMAIN=""

SESSION="session-read-only"

if [ -f "${XDG_CONFIG_HOME:-$HOME/.config}/restrc" ]; then

	# Config file can contain the above settings

	source "${XDG_CONFIG_HOME:-$HOME/.config}/restrc"

	if [ -z "${SCOPE:-}" ]; then

		SCOPE="openid xmpp"

	fi

fi

if [[ $# == 0 ]]; then

	echo "${0##*/} [-h HOST] [-rw] [/path] kind=(message|presence|iq) ...."

	# Last arguments are handed to HTTPie, so refer to its docs for further details

	exit 0

fi

if [[ "$1" == "-h" ]]; then

	HOST="$2"

	shift 2

elif [ -z "${HOST:-}" ]; then

	HOST="$(hostname)"

fi

if [[ "$1" == "-rw" ]]; then

	# To e.g. save Accept headers to the session

	SESSION="session"

	shift 1

fi

if [[ "$HOST" != *.* ]]; then

	# Assumes subdomain of your DOMAIN

	if [ -z "${DOMAIN:-}" ]; then

		DOMAIN="$(hostname -d)"

	fi

	if [[ "$HOST" == *:* ]]; then

		HOST="${HOST%:*}.$DOMAIN:${HOST#*:}"

	else

		HOST="$HOST.$DOMAIN"

	fi

fi

# For e.g /disco/example.com and such GET queries

GET_PATH=""

if [[ "$1" == /* ]]; then

	GET_PATH="$1"

	shift 1

fi

https --check-status -p b --"$SESSION" rest -A oauth2 -a "$HOST" --oauth2-scope "$SCOPE" "$HOST/rest$GET_PATH" "$@"