#!/bin/sh

CONFIG=~/nbdl.cfg
APIEP='https://users.api.nebula.app'

[ -z "$1" ] && echo need nebula video name!

for i in zenity curl jq; do
	which $i
	[ ! "$?" = 0 ] && exit
done

[ ! -f "$CONFIG" ] && touch "$CONFIG" && echo generated config file
. $CONFIG

curlc="curl -sL"

nblogin() {
	USRNAME=`zenity --entry --text 'enter your nebula email.'`
	[ -z "$USRNAME" ] && zenity --error --text='email was blank!' && exit
	PASSWORD=`zenity --password`
	[ -z "$PASSWORD" ] && zenity --error --text='password was blank!' && exit
	TOK=$($curlc -X POST --json "{\"email\":\"$USRNAME\",\"password\":\"$PASSWORD\"}" "$APIEP/api/v1/auth/login/" | jq -r .key)
	unset USRNAME
	unset PASSWORD
	echo saving token \"$TOK\" to "$CONFIG"
	echo -e "\nTOK=$TOK" >> "$CONFIG"
}

[ -z "$TOK" ] && nblogin

nbgetbearer() {
	$curlc -LX POST -H "Authorization: Token $1" $APIEP/api/v1/authorization | jq -r .token
}

BEARER=$(nbgetbearer $TOK)
TDATE=$(date +%s)
echo bearer $BEARER
$curlc "https://content.api.nebula.app/video/$1/stream/" -H "Authorization: Bearer $BEARER" > "/tmp/$1.neb"
curl "$(jq -r '.subtitles[0].url' "/tmp/$1.neb")" -o "/tmp/$1.vtt"
ffplay $(jq -r .download "/tmp/$1.neb") -vf subtitles=filename="/tmp/$1.vtt"