#!/bin/bash
PROGRAM=$(basename $0)

ZNEWSDIR="$AK_WORKDIR/news"
TEMP="/tmp/aktmp"

logit(){
    ak-logthis "<$PROGRAM>" "$1" "$2"
}

if [ ! -d $ZNEWSDIR ]; then
    mkdir $ZNEWSDIR
    if [ "$?" == 0 ]; then
        logit "[INFO]" "$ZNEWSDIR created"
    else
        logit "[ERROR]" "$ZNEWSDIR couldn't be created"
        exit 1
    fi
else
    logit "[INFO]" "$ZNEWSDIR found"
fi

cd $ZNEWSDIR

create(){
    TEMP="$(ak-tempassin)"
    cd $TEMP
    cd 
    curpath="$(pwd)"
    export NEWS_FILE="$(date +%Y%m%d_%H%M%S)"
    vi $NEWS_FILE
    echo "Renaming..."
    TITLE="$(head -n 1 $NEWS_FILE)"
    TO_FILE=$NEWS_FILE-$(echo $TITLE | tr '[:upper:]' '[:lower:]' | sed -e 's/ /\_/g' )
    IPFS_FILE=$(ak-ipfs-add $NEWS_FILE)
    mv $NEWS_FILE $ZNEWSDIR/$TO_FILE
    sed -e 's,Qm.*,'"$IPFS_FILE"',g' $ZNEWSDIR/README
    add $TO_FILE
    echo "Adding to git repo..."
    cd $ZNEWSDIR
    # rm -rf $TEMP 
}
index(){
    FILES="$(ls -1 $ZNEWSDIR)"
    i=0
    ak-get-ipfs-hashes-from-my-zchain | sort | uniq > temp
    for FILE in $FILES
    do
        DATE="$(echo $FILE | cut -d - -f 1 | awk '{print $1}')"
        TITLE="$(head -n 1 $ZNEWSDIR/$FILE)"
        IPFS_HASH="$(ipfs add -nQ $ZNEWSDIR/$FILE)"
        ONLINE="Not in zchain"
        grep "$IPFS_HASH" temp > /dev/null 2>&1
        if [ $? -eq 0 ]
        then
            ONLINE="On zchain"
        fi
        printf "%3d | %5s | %52s | %10s | %56s \n"\
            "$i" "$ONLINE" "$IPFS_HASH" "$DATE" "$TITLE"
        let i+=1
    done    
    rm temp
}
title(){
    echo $PROGRAM
}
import(){
    echo "#TODO"
    if [ ! -z $1 ]
    then
        if [ ! -d "$1" ]
        then
            echo $1
            echo "Folder does not exist"
            exit 4
        else
            echo "Folder $1 exists"
            fl="$(ls -1 $1)"
            for f in $fl
            do
                echo $1 $f
                add2 "$1/$f"
            done
        fi
    else
        echo "No value"
        exit 6
    fi
    exit 224
}
add2(){
    TEMP="$(ak-tempassin)"
    if [ -f "$1" ]; then
        FILE="$(realpath $1)"
        cp $FILE $ZNEWSDIR
        cp $FILE $TEMP
        FILE="$(basename $1)"
        cd $TEMP
        echo "Adding news from " $FILE
        DATETIME=$(echo $FILE | cut -d - -f 1 | awk '{print $1}')
        TITLE=$(head -n 1 $FILE)
        FILE_IPFS_HASH=$(ak-ipfs-add $FILE)
        FILE_SIGN_FILE=$FILE".asc"
        gpg2 --homedir $AK_GPGHOME --detach-sign --sign-with $AK_FINGERPRINT --armor --output $FILE_SIGN_FILE $FILE
        FILE_SIGNATURE=$(ak-ipfs-add $FILE_SIGN_FILE)
        cat > data <<EOF
{
   "datetime":"$DATETIME",
   "title":"$TITLE",
   "filename":"$(basename $FILE)",
   "ipfs":"$FILE_IPFS_HASH",
   "detach":"$FILE_SIGNATURE"
}
EOF
    else
        echo "File $FILE doesn't exist";
        exit 2
    fi
    ak-pack_z_block "news/add" $(pwd)/data
    if [ $? == 0 ]
    then
        echo "News added successfully"
    else
        echo "error??"
        exit 1
    fi
    rm -rf $TEMP
}
add(){
    TEMP="$(ak-tempassin)"
    cd $TEMP
    if [ -f $ZNEWSDIR/$1 ]; then
        FILE="$1"
        echo "Adding news from " $FILE
        DATETIME=$(echo $FILE | cut -d - -f 1 | awk '{print $1}')
        TITLE=$(head -n 1 $ZNEWSDIR/$FILE)
        FILE_IPFS_HASH=$(ak-ipfs-add $ZNEWSDIR/$FILE)
        FILE_SIGN_FILE=$FILE".asc"
        gpg2 --homedir $AK_GPGHOME --detach-sign --sign-with $AK_FINGERPRINT --armor --output $FILE_SIGN_FILE $ZNEWSDIR/$FILE
        FILE_SIGNATURE=$(ak-ipfs-add $FILE_SIGN_FILE)
        cat > data <<EOF
{
   "datetime":"$DATETIME",
   "title":"$TITLE",
   "filename":"$FILE",
   "ipfs":"$FILE_IPFS_HASH",
   "detach":"$FILE_SIGNATURE"
}
EOF
    else
        echo "File $FILE doesn't exist";
        exit 2
    fi
    ak-pack_z_block "news/add" $(pwd)/data
    if [ $? == 0 ]
    then
        echo "News added successfully"
    else
        echo "error??"
        exit 1
    fi
}
usage(){
    echo "#TODO"
    echo "All you need to know is that there are two options available:"
    echo "help        Prints this help message"
    echo "local-index        Prints an indexed table of your news files"
    echo "import <file>    #TODO"
    echo "add <file>    Creates a data file from the news file you point to"
    echo "create        Vim is going to pop up, you will write and save your"
    echo "                  newsletter and it's going to be saved"
    exit 0
}
akNewsRead(){
    ak-enter -l 1 $1 > temp
    if [ $? -ne 0 ]
    then
        echo error
        exit 22
    fi
    module="`cat temp | jq -r '.[].module'`"
    action="`cat temp | jq -r '.[].action'`"
    data="`cat temp | jq -r '.[].data'`"
    linkToText="`cat temp | jq -r ".[].$data.ipfs"`"

    if [ "$module" == "news" ] && [ "$action" == "add" ]
    then

        ak-ipfs-cat $linkToText
    else
        ak-logthis "[ERROR]" "Not a news block."
        echo "[ERROR] Not a news block."
        exit 1
    fi
    rm temp
}
title
if [ ! -z $1 ]; then
    case $1 in
        help) usage; exit;;
        local-index) index; exit;;
        import) import $2; exit;;
        add) add2 $2; exit;;
        create) create; exit;;
        read) akNewsRead $2; exit;;
        * ) usage;;
    esac
else usage
fi