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#!/bin/bash
ZFILESDIR="$AK_WORKDIR/files"
pwd > .pwd
CRD=$(cat .pwd)

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 "  -h, --help              Prints this help message"
    echo "  add <file>              Adds file to zchain as a zblock"
    echo "  index                   List files"
    echo "  full-index              List all files"
    echo "  ls-map-files            List map files"
}

add(){
    FILENAME="$1"
    main $FILENAME $CRD
    cat data | jq -M
}
main(){
    FILENAME="$1"
    CRP="$2"

    TEMPASSIN="$(ak-tempassin)"
    cd $TEMPASSIN

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

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

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

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

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

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

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

    echo "Printing data..."
    cat data
    echo "Publishing..."

    ak-zblock-pack sha-files/announce $(pwd)/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