#!/bin/sh

instance=$(jj -i config.json instance)
ordering='title'
default_player_command='mpv --no-vid --no-ytdl --network-timeout=30'

instance_point="https://$instance/api/v1"
funkwhale_api_check_api_limits()
{
	curl -s --compressed "$instance_point/rate-limit/" | jj -p
}

funkwhale_api_get_tracks()
{
	get_json=$(curl -s --compressed "$instance_point/tracks?ordering=$ordering&playable=true&page=$1&tag=$tag" 2>&1 | tee preload)
	jj -i preload -l 'results.#.uploads.0.listen_url' | sed 's/"//g'
}

funkwhale_api_get_tracks_from_channel()
{
	sub_menu=1
	track_list=$(curl -s --compressed "$instance_point/tracks?channel=$1&playable=true&include_channels=true")  
	echo "Loaded $(echo $track_list | jj count) podcasts"
	
	listen_urls=$(echo $track_list | jj -l results.#.listen_url | sed 's/"//g')
	echo > podcast.m3u8
	counter=0
	track_name_url="{}"
	for i in $listen_urls; do
		title=$(echo $track_list | jj results.$counter.title | sed 's/["#\.]//g')
		track_name_url_writer=$(echo $track_name_url | jj -v $i "$title") 
		track_name_url="${track_name_url_writer}"
		echo "https://$instance$i\n" >> podcast.m3u8
		counter=$(expr $counter + 1)
	done
	
	while [ $sub_menu -eq 1 ]; do
		menu_podcast_choice=$(echo $track_list | jj -l 'results.#.title' | sed 's/["#\.]//g' | fzy)
		play_track=$(echo $track_name_url | jj "$menu_podcast_choice")
		$default_player_command "https://$instance$play_track"
		case $(echo "Back\nMain menu" | fzy) in
			"Back") echo '' ;;

			"Main menu") sub_menu=0 ;;
		esac 
	done 
}

funkwhale_get_podcasts_artists()
{
	echo 'Loading podcast artists...'
	curl -s --compressed --output preload "$instance_point/artists?ordering=-creation_date&playable=true&include_channels=true&content_category=podcast&page=$1"
	counter=0
	count_artists=$(jj -i preload count)
	echo "$count_artists avalaible"
	artist_channels=$(jj -l -i preload 'results.#.channel.uuid' | sed 's/"//g')
	podcast_names=$(jj -l -i preload results.#.name | sed 's/\./_/g' | sed 's/"//g')
	temp_artists="{}"
	for i in $artist_channels; do
		name_uuid=$(echo $temp_artists | jj -v "$i" "$(jj -i preload results.$counter.name | sed 's/\./_/g' | sed 's/\"//g')")
		temp_artists="${name_uuid}"
		counter=$(expr $counter + 1)
	done
	menu_podcast_choice=$(echo "$podcast_names" | fzy)
	channel_uuid=$(echo $temp_artists | jj "$menu_podcast_choice")
	if [ -z $channel_uuid ]; then
		echo 'Error when loading podcast'
	else
		funkwhale_api_get_tracks_from_channel $channel_uuid
	fi
}

load_tracks_to_playlist()
{
	echo "Loading page $1 ..."
	echo '#EXTM3U\n' > playlist.m3u8
	counter_titles=0
	for i in $(funkwhale_api_get_tracks $1); do
		title=$(jj -i preload results."$counter_titles".title)
		artist_name=$(jj -i preload results."$counter_titles".artist.name)
		duration=$(jj -i preload results."$counter_titles".uploads.0.duration)
		echo "#EXTINF:$duration, $artist_name - $title" >> playlist.m3u8
		counter_titles=$(expr $counter_titles + 1)
		echo "https://$instance$i\n" >> playlist.m3u8
	done
	count_tracks_results=$(jj -i preload 'results.#')
	if [ -z $count_tracks_results ] || [ $count_tracks_results -eq 0 ]; then
		echo 'Error: Page empty or connection error'
	else
		echo "Loaded $count_tracks_results tracks"
	fi
}

get_all_avalaible_count_tracks() 
{
	funkwhale_api_get_tracks 1 1>> /dev/null
	count_all_tracks=$(jj -i preload -l count)
	if [ -z $count_all_tracks ]; then
		echo 'Error: Connection error or API limit expired'
	elif [ $count_all_tracks -eq 0 ]; then
		echo 'Error: No tracks'
	else
		echo "Tracks avalaible on $instance: $count_all_tracks\n"
	fi
}

get_all_avalaible_count_tracks

downloadtrackspls='Download tracks in playlist'
startplayer='Start player'
podcasts='Podcasts'
changepod='Switch instance'
checkapilimits='Check API limits (debug)'
Exit='Exit'

while true; do
choice=$(echo "$downloadtrackspls\n$startplayer\n$podcasts\n$changepod\n$checkapilimits\n$Exit" | fzy)

case "$choice" in
	"$downloadtrackspls") 
	echo 'Order by (prefix - is DESC ordering):'
	ordering=$(echo 'title\n-title\ncreation_date\n-creation_date\nrelease_date\n-release_date\nrandom' | fzy)
	export ordering
	echo 'Tags:'
	tag=$(jj -l -i config.json tags | sed 's/"//g' | fzy)
	if [ "$tag" = "TagOFF" ]; then
		tag=
	fi
	export tag
	echo 'Enter page number: '
	read page
	load_tracks_to_playlist $page ;;

	
	"$startplayer")
	$default_player_command playlist.m3u8 ;;

	
	"$podcasts")
	echo 'Enter page number: '
	read page
	funkwhale_get_podcasts_artists $page ;;

	
	"$changepod")
	if [ 'Choice from list' = "$(echo 'Choice from list\nManual input' | fzy)" ]; then
		instance=$(jj -l -i config.json public_list_instances | sed 's/"//g' | fzy)
	else
		echo "Type instance (ex. $instance):"
		read instance
	fi
	
	export instance
	export instance_point="https://$instance/api/v1"
	conf_instance_state=$(echo 'Permanent\nTemporaly' | fzy)
	if [ "$conf_instance_state" = 'Permanent' ]; then
		jj -i config.json instance -v $instance -o config.json
	else
		echo ''
	fi
	clear
	get_all_avalaible_count_tracks ;;

	
	"$checkapilimits")
	funkwhale_api_check_api_limits | more ;;

	
	"$Exit")
	exit 0 ;;
esac
done