#!/bin/bash
ZREFERENCESDIR="$AK_WORKDIR/references"
TEMP="/tmp/aktmp"
echo $ZREFERENCESDIR
if [ ! -d $ZREFERENCESDIR ]; then
	mkdir $ZREFERENCESDIR
	cd $ZREFERENCESDIR
	git init
	echo "References repository" > README
	echo "Qmetc" >> README
	git add README
	git commit -m "Initiated references repository"
	echo "zreferencesdir created along with git repo"
else
	ak-logthis "zreferencesdir found"
fi
tempassin(){
	if [ ! -z $1 ]
	then
		TEMPASSIN="$1"
	else
		TIMESTAMP="$(date -u +%s)"
		TEMPASSIN="/tmp/aktmp_$TIMESTAMP"
	fi
	if [ ! -d $TEMPASSIN ]; then
		mkdir $TEMPASSIN
	fi
	cd $TEMPASSIN
}
create(){
	tempassin $TEMP
	#pwd
	export REFERENCEFILE="$(date -u +%s)"
	if [ ! -z $1 ] && [ ! -z $2 ]
	then
		TO_FILE="$(date -u +%s)-$1-$2"
		cat > $REFERENCEFILE << EOF
$1
$2
EOF
		
	else
		vi $REFERENCEFILE
	fi
	REFERENCE="$(head -n 1 $REFERENCEFILE)"
	REFER_TO="$(tail -n 1 $REFERENCEFILE)"
	TO_FILE="$REFERENCEFILE-$REFERENCE-$REFER_TO"
	mv $REFERENCEFILE $ZREFERENCESDIR/$TO_FILE
	echo $TO_FILE
	IPFS_FILE=$(ipfs add -q $ZREFERENCESDIR/$TO_FILE)
	sed -e 's,Qm.*,'"$IPFS_FILE"',g' $ZREFERENCESDIR/README
	add $ZREFERENCESDIR/$TO_FILE
	echo "Adding to git repo..."
	cd $ZREFERENCESDIR
	git add $TO_FILE README
	git commit -m "Added $TO_FILE with $(head -n 1 $ZREFERENCESDIR/$TO_FILE)"
	git clean --force
}
index(){
	FILES="$(ls -1 $ZREFERENCESDIR)"
	i=0
	for FILE in $FILES
	do
		DATE=$(echo $FILE | cut -d - -f 1 | awk '{print $1}')
		TITLE=$(head -n 1 $ZREFERENCESDIR/$FILE)
		REFE=$(tail -n 1 $ZREFERENCESDIR/$FILE)
		echo $i \| $DATE \| $TITLE \| $REFE
		let i+=1
	done	
}
title(){
	echo	ak-references-cli
	echo "--------------"
}
import(){
	echo "#TODO"
	if [ ! -z $1 ]
	then
		if [ ! -d $1 ]
		then
			echo "Folder does not exists"
			exit 4
		else
			echo "Folder $1 exists"
			fl="$(ls -1 $1)"
			for f in $fl
			do
				add $1/$f
			done
		fi
	else
		echo "No value"
		exit 6
	fi
	exit 224
}
add(){
	tempassin
	if [ -f $1 ]; then
		FILE="$1"
		echo "Adding references from " $FILE
		DATETIME=$(echo $FILE | cut -d - -f 1 | awk '{print $1}')
		#FILE=$(head -n 1 $FILE)
		FILE_IPFS_HASH=$(ipfs add -q $FILE)
		FILE_SIGN_FILE=$FILE".asc"
		gpg --detach-sign --sign-with $FINGERPRINT --armor --output $FILE_SIGN_FILE $FILE
		FILE_SIGNATURE=$(ipfs add -q $FILE_SIGN_FILE)
		cat > data <<EOF
{
   "datetime":"$(date -u +%s)",
   "reference":"$REFERENCE",
   "refer_to":"$REFER_TO",
   "ipfs":"$FILE_IPFS_HASH",
   "detach":"$FILE_SIGNATURE"
}
EOF
	else
		echo "File $FILE doesn't exist";
		exit 2
	fi
	pack_z_block "references/add" data
	if [ $? == 0 ]
	then
		echo "References added successfully"
	else
		echo "error??"
		exit 1
	fi
}

usage(){
	title
	echo "#TODO"
	echo "All you need to know is that there are two options available:"
	echo "help			Prints this help message"
	echo "index			Prints an indexed table of your references files"
	echo "import <file>		#TODO"
	echo "add <file>		Creates a data file from the references file you point to"
	echo "create [ref] [to]		Vim is going to pop up, you will write and save your"
	echo "                 		referencesletter and it's going to be saved"
	exit 0
}

if [ ! -z $1 ]; then
	case $1 in
		help) usage; exit;;
		index) index; exit;;
		import) import $2; exit;;
		add) add $2; exit;;
		create) create $2 $3; exit;;
		* ) usage;;
	esac
else usage
fi