#!/bin/bash
# The following creates a mixtape data message
# We can extend it by calling the ak-zblock-pack.sh mixtape/add data ## ORIGINAL LINE
PROGRAM="$(basename $0)"
descriptionString="AK mixtape block creator"
source $AK_LIBDIR/_ak_logit
source $AK_LIBDIR/_ak_script_description
source $AK_LIBDIR/_ak_gpg

_ak_modules_mixtapes_usage(){
	_ak_modules_mixtapes_title
	echo "Usage: $0 - artist title file"
}

_ak_modules_mixtapes_title(){
    description
}

_ak_modules_mixtapes_specs(){
    datetime_mask=$(printf '^[0-9]\{8\}_[0-9]\{6\}$' | xxd -p)
    ipfs_mask=$(printf '^Qm[a-zA-Z0-9]\{44\}$' | xxd -p)
    text_dash_underscore_space_mask=$(printf '^[a-zA-Z0-9][a-zA-Z0-9[:space:]\_]\{1,128\}$' | xxd -p -c 64)
    echo '
        {
           "datetime": "'$datetime_mask'",
           "artist":   "'$text_dash_underscore_space_mask'",
           "title":    "'$text_dash_underscore_space_mask'",
           "ipfs":     "'$ipfs_mask'",
           "detach":   "'$ipfs_mask'"
        }' | jq
}

_ak_modules_mixtapes_main(){
    echo $MIXTAPE_FILE "by" $MIXTAPE_ARTIST "named as" $MIXTAPE_TITLE

    MIXTAPE_IPFS_HASH=$(ak-ipfs-add $MIXTAPE_FILE)

    MIXTAPE_SIGN_FILE=$MIXTAPE_FILE".asc"
    _ak_gpg_sign_detached $MIXTAPE_SIGN_FILE $MIXTAPE_FILE

    MIXTAPE_SIGNATURE=$(ak-ipfs-add $MIXTAPE_SIGN_FILE)

    cat > data <<EOF
{
    "timestamp":"$(date -u +%s)",
    "artist":"$MIXTAPE_ARTIST",
    "title":"$MIXTAPE_TITLE",
    "ipfs":"$MIXTAPE_IPFS_HASH",
    "detach":"$MIXTAPE_SIGNATURE"
}
EOF

}

if [ ! -z $3 ];
then
    PWD="$(pwd)"
    MIXTAPE_ARTIST="$1"
    MIXTAPE_TITLE="$2"
    MIXTAPE_FILE="$PWD/$3"
    _ak_modules_mixtapes_main
    cat $PWD/data | jq -M
    ak-zblock-pack mixtape/add $PWD/data
elif [ "$1" == "specs" ]
then
    _ak_modules_mixtapes_specs
    exit 0
else _ak_modules_mixtapes_usage
fi