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#!/usr/bin/env bash
###
### arching-kaos-tools
### Tools to interact and build an Arching Kaos Infochain
### Copyright (C) 2021 - 2025  kaotisk
###
### This program is free software: you can redistribute it and/or modify
### it under the terms of the GNU General Public License as published by
### the Free Software Foundation, either version 3 of the License, or
### (at your option) any later version.
###
### This program is distributed in the hope that it will be useful,
### but WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with this program.  If not, see <http://www.gnu.org/licenses/>.
###
source $AK_LIBDIR/_ak_log
source $AK_LIBDIR/_ak_ipfs

function _ak_network_stellar_show_ids(){
    i=0
    flag=0
    while [ "$i" -lt "$limit" ]
    do
        test="$(cat $tempfile | jq '.["_embedded"]' | jq .'["records"]' | jq '.['$i']' | jq '.["id"]' | sed -e 's/\"//g')"
        while IFS="" read -r p || [ -n "$p" ]
        do
            if [ "$p" == "$test" ]
            then
                flag=1
                break
            fi
        done < $stellarParticipants
        if [ "$flag" == "0" ]
        then
            echo $test >> $stellarParticipants
            _ak_log_info "Added $test"
        else
            _ak_log_info "$test already there. Skipping..."
        fi
        i="$(expr $i + 1)"
    done
}

function _ak_network_stellar_get_next_page(){
    cat $tempfile | jq -r '._links.next.href'
    # cat $tempfile | grep -1 next | grep https | sed -e 's/^.*https/https/' | sed -e 's/\u0026/\&/g; s/"//g; s/\\//g'
}

function _ak_network_stellar_proceed_to_next_page(){
    nextURL="$(_ak_network_stellar_get_next_page)"
    curl \
        --connect-timeout 3 \
        "$nextURL" > $tempfile 2>/dev/null
}

function _ak_network_stellar_get_asset_holders(){
    if [ ! -z $1 ] && [ $1 -gt 0 ] && [ -n "$1" ]
    then
        limit=$1
    else
        limit=3
    fi
    curl \
        --connect-timeout 3 \
        https://horizon.stellar.org/accounts\?asset\=ARCHINGKAOS:GB4QVKD6NW3CSNO5TNPARAWNPPXOPSSTKB35XCWB7PUNBIQTK3DVELB2\&limit\=$limit > $tempfile 2>/dev/null
}

function _ak_network_stellar_scan(){
    tempdir=`_ak_make_temp_directory`
    tempfile="$tempdir/tmp"
    tempaddr="$tempdir/tmpaddr"
    stellarParticipants="$AK_WORKDIR/stellar-network-participants"
    stellarParticipantsOnline="$AK_WORKDIR/stellar-network-participants-online"
    if [ ! -f "$stellarParticipants" ]
    then
        touch $stellarParticipants
    fi
    if [ ! -f "$stellarParticipantsOnline" ]
    then
        touch $stellarParticipantsOnline
    fi
    if [ ! -f "$tempdir" ]
    then
        touch $tempdir
    fi
    if [ ! -f "$tempaddr" ]
    then
        touch $tempaddr
    fi
    if [ ! -z $1 ] && [ "$1" == "-l" ] && [ ! -z $2 ]
    then
        limit=$2
    else
        limit=3
    fi
    _ak_network_stellar_get_asset_holders $limit
    while [ "$(tail -1 $stellarParticipants)" != "null" ]
    do
        _ak_network_stellar_show_ids
        _ak_network_stellar_proceed_to_next_page
    done
    grep G $stellarParticipants > $tempaddr
    cat $tempaddr > $stellarParticipants
    rm $tempfile $tempaddr
    while IFS="" read -r p || [ -n "$p" ]
    do
        flag=0
        test="$(curl \
            --connect-timeout 3 \
            https://horizon.stellar.org/accounts/$p/data/config 2>/dev/null | grep value)"
        if [ $? -eq 0 ]
        then
            addressValuePair="$(printf '%s %s\n' "$p" "$(echo $test | sed -e 's/^.*: "//g; s/"//g' | base64 -d)")"
            while IFS="" read -r x || [ -n "$x" ]
            do
                if [ "$x" == "$addressValuePair" ]
                then
                    flag=1
                    break
                fi
            done < $stellarParticipantsOnline
            if [ "$flag" == "0" ]
            then
                echo $addressValuePair >> $stellarParticipantsOnline
                _ak_log_info "$p is configured with  $(echo $addressValuePair | awk '{ print $2 }'). Added to online participants."
            else
                _ak_log_info "$(echo $addressValuePair | awk '{ print $2 }') is already in $stellarParticipantsOnline. Skipping..."
            fi
        fi
    done < $stellarParticipants
}

function _ak_network_stellar_show_peers(){
    stellarParticipants="$AK_WORKDIR/stellar-network-participants"
    stellarParticipantsOnline="$AK_WORKDIR/stellar-network-participants-online"
    if [ -f "${stellarParticipantsOnline}" ]
    then
    (
        printf '['
        counter=0
        cat $stellarParticipantsOnline | while read stellarAddress akConfig
        do
            if [ $counter -ne 0 ]
            then
                printf ','
            fi
            counter=$(( $counter + 1 ))
            akConfigHash="$(_ak_ipfs_name_resolve /ipns/$akConfig|cut -d '/' -f 3)"
            printf '{"stellar":{"address":"%s","config":"%s"},"node_info":%s}' \
                "$stellarAddress" \
                "$akConfig" \
                "$(_ak_ipfs_cat $akConfigHash)"
        done
        printf ']'
        ) | sed -e 's/\[]//g' #| jq
    else
        _ak_log_debug "No stellar peers found"
    fi
}