#!/bin/bash

# ###
# Lecture des messages Cesium+
# ###

[[ -z $(which jq) || -z $(which curl) ]] && echo "Installation de jq et curl ..." && sudo apt update && sudo apt install jq curl -y

[[ ! -f .env ]] && cp .env.template .env
source .env

# Help display
helpOpt() {
    echo -e "This is a simple tester for Cesium+ messages sending
    \r$0
    Default, ask title, content and recipient in interactive mode.

    \rOptions:
    -r,--recipient <pubkey>\tUses <pubkey> as recipient of the messages.
    -k,--key <key>\t\tPath <key> to the pubsec keychain file of the issuer."
}

REGEX_PUBKEYS="[a-zA-Z0-9]{42,44}"

recipient=$issuer

# Parse options
declare -a args=($@)
for ((i=0; i<${#args[*]}; ++i))
do
    case ${args[$i]} in
        -r|--recipient) recipient="${args[$i+1]}"
            [[ -z $recipient ]] && echo "Veuillez préciser un destinataire." && exit 1;;
        -k|--key) dunikey="${args[$i+1]}"
            [[ -z $dunikey ]] && echo "Veuillez préciser un fichier de trousseau." && exit 1;;
        -o|--outbox) type=outbox;;
        -n|--numbers) nbrRaw="${args[$i+1]}";;
        -n*) nbrRaw="${args[$i]:2}";;
        -h|--help) helpOpt && exit 0;;
        *) [[ "${args[$i]}" == "-"* ]] && echo "Option inconnue." && exit 1;;
    esac
done

if [[ -z $recipient ]]; then
    read -p "Clé publique de l'utilisateur: " recipient
fi
if [[ -z $dunikey ]]; then
    read -p "Fichier de trousseau: " dunikey
fi
[[ -z $type ]] && type="inbox"
[[ -z $nbrRaw ]] && nbrRaw=5000

[[ -z $(grep -Eo $REGEX_PUBKEYS <<<$recipient) ]] && echo "Le format de la clé publique du destinataire est invalide." && exit 1

times=$(date -u +'%s')
nonce=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

document="{\"sort\":{\"time\":\"desc\"},\"from\":0,\"size\":$nbrRaw,\"_source\":[\"issuer\",\"recipient\",\"title\",\"content\",\"time\",\"nonce\",\"read_signature\"],\"query\":{\"bool\":{\"filter\":{\"term\":{\"recipient\":\"$recipient\"}}}}}"

# Envoi du document
msgContent=$(curl -s -X POST "https://g1.data.duniter.fr/message/$type/_search" -d "$document" | jq .hits.hits[]._source -c)

#Traitement des données
n=0
for i in $msgContent; do
    echo -e "=== $n ===\n"
    #totalMsg='{'$(jq -r .total <<<"$i")'}'
    dataObj=($(jq -r '.issuer,.recipient,.nonce,.title,.content,.time' <<<"$i"))
    issuer="${dataObj[0]}"
    recipient="${dataObj[1]}"
    nonce=$(echo "${dataObj[2]}" | base58 -d | base64 -w 0)
    title="${dataObj[3]}"
    content="${dataObj[4]}"
    time="${dataObj[5]}"

    # python3 decrypt.py "$issuer" "$duniSeed" "$nonce" "$title" "$content"
    titleClear=$(./natools.py box-decrypt -p "$issuer" -n "$nonce" -f pubsec -k "$dunikey" <<<"$title")
    echo "$titleClear"
    echo "========="
    ((n++))
done