#!/bin/sh
set -e -u

SCRIPTNAME=termux-share
show_usage () {
    echo "Usage: $SCRIPTNAME [-a action] [-c content-type] [-d] [-t title] [file]"
    echo "Share a file specified as argument or the text received on stdin if no file argument is given."
    echo "  -a action        which action to performed on the shared content:"
    echo "                     edit/send/view (default:view)"
    echo "  -c content-type  content-type to use (default: guessed from file extension,"
    echo "                     text/plain for stdin)"
    echo "  -d               share to the default receiver if one is selected"
    echo "                     instead of showing a chooser"
    echo "  -t title         title to use for shared content (default: shared file name)"
    exit 0
}

validate_share () {
    SHARETYPE=$1
    case "$SHARETYPE" in
        edit) ;;
        send) ;;
        view) ;;
        *) echo "$SCRIPTNAME: Unsupported action: '$SHARETYPE'"; exit 1;;
    esac
}

PARAMS=""
while getopts :ha:c:dt: option
do
    case "$option" in
        h) show_usage;;
        a) validate_share $OPTARG; PARAMS="$PARAMS --es action $OPTARG";;
        c) PARAMS="$PARAMS --es content-type $OPTARG";;
        d) PARAMS="$PARAMS --ez default-receiver true";;
        t) PARAMS="$PARAMS --es title $OPTARG";;
        ?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
    esac
done
shift $(($OPTIND-1))

if [ $# -gt 1 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi

if [ $# != 0 ]; then
    # Note that the file path can contain whitespace.
    @TERMUX_API@ Share $PARAMS --es file "`realpath "$1"`"
else
    @TERMUX_API@ Share $PARAMS
fi