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#!/bin/bash
# The following creates a mixtape data message
# We can extend it by calling the ak-pack_z_block.sh mixtape/add data
ZFILESDIR="$AK_WORKDIR/files"

PROGRAM="$(basename $0)"
#set -xe
logit(){
	ak-logthis "<$PROGRAM>" "$1" "$2"
}
if [ ! -d $ZFILESDIR ]; then
	mkdir $ZFILESDIR
	if [ $? == 0 ]
	then
		logit "[INFO]" "Folder $ZFILESDIR created!"
	else
		logit "[ERROR]" "Failed to create $ZFILESDIR folder"
		exit 1
	fi
	cd $ZFILESDIR
else
	logit "[INFO]" "$ZFILESDIR found!"
fi

usage(){
	echo "$PROGRAM - file"
    echo "  add <file>"
    echo "  index"
}

add(){
    CRP="$(pwd)"
    FILENAME="$1"
    main $FILENAME $CRP
    cat $TEMPASSIN/data | jq -M
}
main(){
    FILENAME="$1"
    CRP="$2"
    echo "Adding $FILENAME"
    logit "[INFO]" "Switching to tmp folder..."
    TEMPASSIN="$(ak-tempassin)"

    cd $TEMPASSIN
    if [ $? == 0 ]; then
	    logit "[INFO]" "Success"
    else
	    logit "[ERROR]" "Error with tmp folder"
	    exit 5
    fi
    logit "[INFO]" "Copying $1 to $TEMPASSIN"

    cp $2/$1 $TEMPASSIN/$1
    if [ $? == 0 ]; then
	    logit "[INFO]" "Copied successfully"
    else
	    logit "[ERROR]" "Error copying..."
    fi

    FILE="$TEMPASSIN/$1"

    logit "[INFO]" "Adding $FILE to IPFS..."
    FILE_IPFS_HASH=$(ak-ipfs-add $FILE)
    if [ $? == 0 ]; then
	    logit "[INFO]" "Added $FILE to IPFS"
    else
	    logit "[ERROR]" "Error in adding the $FILE to IPFS"
    fi

    logit "[INFO]" "Adding $FILE to SHAMAPSYS..."
    FILEMAP_SHA512_HASH=$(ak-sm-filesplitter $FILE)
    if [ $? == 0 ]; then
	    logit "[INFO]" "Added $FILE to SHAMAPSYS"
    else
	    logit "[ERROR]" "Error in adding the $FILE to SHAMAPSYS"
    fi

    logit "[INFO]" "Signing..."
    SIGN_FILE=$FILENAME".asc"
    gpg2 --detach-sign --sign-with $FINGERPRINT --armor --output $SIGN_FILE $FILE
    if [ $? == 0 ]; then
	    logit "[INFO]" "Signed"
    else
	    logit "[ERROR]" "Error while signing"
    fi

    logit "[INFO]" "Adding signature to IPFS"
    SIGNATURE=$(ak-ipfs-add $TEMPASSIN/$SIGN_FILE)
    if [ $? == 0 ]; then
	    logit "[INFO]" "Added"
    else
	    logit "[ERROR]" "Error while adding"
    fi

    logit "[INFO]" "Adding signature to SHAMAPSYS"
    SHAMAPSIGMAP=$(ak-sm-filesplitter $TEMPASSIN/$SIGN_FILE)
    if [ $? == 0 ]; then
	    logit "[INFO]" "Added"
    else
	    logit "[ERROR]" "Error while adding"
    fi

    cat > $TEMPASSIN/data <<EOF
{
    "timestamp":"$(date -u +%s)",
    "filename":"$FILENAME",
    "shamap":"$FILEMAP_SHA512_HASH",
    "shamapsigmap":"$SHAMAPSIGMAP",
    "ipfs":"$FILE_IPFS_HASH",
    "detach":"$SIGNATURE"
}
EOF

    echo "Printing data..."
    cat $TEMPASSIN/data
    echo "Publishing..."

    ak-pack_z_block sha-files/announce data
    if [ $? == 0 ]
    then
	    echo "cool"
    else
	    echo "not?"
	    exit 2
    fi
}

index(){
    tail -n1 $AK_WORKDIR/fmp/* | grep '^[abcdef1234567890]' | awk '{ print $2 }'
}

ls-mapfiles(){
    cd $AK_WORKDIR/fmp
    for f in `find . -type f | sed -e 's/\.\///g'`;do
        FILENAME="$(tail -n1 $f | grep '^[abcdef1234567890]' | awk '{ print $2 }')"
        FILEHASH="$(tail -n1 $f | grep '^[abcdef1234567890]' | awk '{ print $1 }')"
        MAPFILE="$f" 
        printf "\nMap: %s\nFilename: %s\nSum: %s\n\n" $MAPFILE $FILENAME $FILEHASH
    done
}

full-index(){
    tail -n1 $AK_WORKDIR/fmp/* | grep '^[abcdef1234567890]'
}

if [ ! -z $1 ]; then
	case $1 in
		help) usage; exit;;
		add) add $2; exit;;
        index) index; exit;;
        full-index) full-index; exit;;
        ls-map-files) ls-mapfiles; exit;;
		*) usage; exit;;
	esac
else usage
fi