#!/bin/bash

# bash script to play files from a slow network ressource, FTP folder, samba share or network drive etc.
# caches the file in /tmp and moves to $ARCHIV
# -y to skip verification
# export global variable $ARCHIV
# set the exit code right for quitting
# echo "q quit 255" >> ~/.mpv/input.conf


if [ "$1" = "-y" ] || [ "$1" = "y" ] || [ "$1" = "Y" ] || [ "$1" = "-Y" ]; then
	verify="yes"
	shift
else
	verify=0
fi

player[0]=$(command -v mpv) 		#media player of choice
player[1]=$(command -v mplayer)
player[2]=$(command -v vlc)		#you shouldn't use vlc

for i in "${player[@]}"; do
	if [ ! $i = "" ]; then
		player=$i
		break
	fi
done

if [ ! $player ]; then
	echo "No media player found. Please edit this script manually. I recommend the mpv. http://mpv.io"
	exit 1
fi

if [ ! -d $ARCHIV ]; then
	echo "Note: Variable \$ARCHIV couldn't be found. It will play the file fine, but you should consider to organize your collection."
	read -p "You can export it temporarily. If you do, just type the path to the folder , if you don't, leave it empty. " path
	if [ $path ] && [ -d $path ] && [ -w $path ]; then
		export ARCHIV=$path
		echo "Roger that!"
	fi
fi

pwd=$(pwd)

if [ -d /tmp ] && [ -w /tmp ]; then
	tmp="/tmp"
else
	read -p "Please name the directory to cache the file: " tmp
	if [ ! -d $tmp ] || [ ! -w $tmp ]; then
		echo "Directory doesn't exist or you don't have write permission."
		exit 1
	fi
fi

if [[ "$@" =~ ^https?://.* ]]; then
	read -p "Detected hyperlink. Should we try to download (caching)? Type something random to play direct with the mpv. [y/N] " download
	if [ $download = "ja" ] || [ $download = "yes" ] || [ $download = "j" ] || [ $download = "y" ] || [ $download = "Y" ]; then
		cd "$tmp"
		wget  "$@" &
	elif [ $player =~ .*/mpv$ ] && [ $download ] && ( [ ! $download = "n" ] || [ ! $download = "N" ] || [ ! $download = "no" ] || [ ! $download = "nein" ] || [ ! $download = "NO" ]); then
		echo "Playing directly using mpv."
		mpv "$@"
		exit 0
	else
		echo "This script is designed to cache media files from a FTP share or network drive. Exiting. "
		exit 1
	fi
else
	cp "$@" $tmp &
fi

echo -n "Preparing the awesome! Starting playback in.."
echo -n " 2,"
sleep 1
echo -n " 1"
sleep 1
echo " Start!"

cd $tmp
$player "$@"
if [ $? -eq 0 ]; then
	if [ -d $ARCHIV ] && [ -w $ARCHIV ]; then
		echo "Finished $@ succesfull."
		if [ $verify -eq 0 ]; then
			read -p "Should we move everything to the Archiv? ($ARCHIV) [Y/n/rm/other] " verify
		fi
		if [ ! $verify ] || [ $verify = "ja" ] || [ $verify = "yes" ] || [ $verify = "j" ] || [ $verify = "y" ] || [ $verify = "Y" ]; then
			echo "Moving the stuff to $ARCHIV."
			mv -v "$@" "$ARCHIV"
			if [ $? -eq 0 ]; then
				cd $pwd
				rm -v "$@"
			fi
		elif [ $verify = "other" ] || [ $verify = "o" ] || [ $verify = "O" ] || [ $verify = "OTHER" ]; then
			read -p "Please tell us the absolute path: " path
			if [ -d $path ] && [ -w $path ]; then
				echo "Moving to $path."
				mv -v "$@" "$path"
				if [ $? -eq 0 ]; then
					cd $pwd
                                       	rm -v "$@"
                               	fi
			else
				echo "Sorry, \"$path\" doesn't exist."
				exit 1
			fi
		elif [ $verify = "r" ] || [ $verify = "rm" ] || [ $verify = "remove" ] || [ $verify = "RM" ] || [ $verify = "R" ]; then
			echo "Cleaning the mess up. Only removing files from $tmp."
			rm -v "$@"
		else
			echo "Okay, don't touching the files."		
		fi
	else
		echo "Can't move to \"$ARCHIV\". Directory doesn't exist or you don't have write permission."
		exit 1
	fi
else
	echo "Something is broken with the media player!"
	exit 1
fi

echo "Have a nice day!"