################################################################################
# Author: Fred (support@qo-op.com)
# Version: 0.1
# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
################################################################################
################################################################################
## API: ZONE
## Used by OSM2IPFS map_render.html & other UPlanet Client App
# ?zone=DEG&ulat=LAT&ulon=LON
## Search for TW numbers in received zone
# = json
################################################################################
MY_PATH="`dirname \"$0\"`"              # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
. "${MY_PATH}/../tools/my.sh"

start=`date +%s`

echo "PORT=$1
THAT=$2
AND=$3
THIS=$4
APPNAME=$5
WHAT=$6
OBJ=$7
VAL=$8
MOATS=$9
COOKIE=$10"
PORT="$1" THAT="$2" AND="$3" THIS="$4"  APPNAME="$5" WHAT="$6" OBJ="$7" VAL="$8" MOATS="$9" COOKIE="$10"
### transfer variables according to script

HTTPCORS="HTTP/1.1 200 OK
Access-Control-Allow-Origin: *
Access-Control-Allow-Credentials: true
Access-Control-Allow-Methods: GET
Server: Astroport.ONE
Content-Type: text/html; charset=UTF-8

"

function urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }

## RUNNING UPLANET LAT/LON TW DETECTION
mkdir -p ~/.zen/tmp/${MOATS}/
# GET RECEPTION : zone=0.001&ulat=0.02&ulon=0.01
DEG=${THAT}
[[ -z $DEG ]] && DEG=1
# DEG=$(echo "$DEG * 10" | bc -l )
LAT=${THIS}
[[ -z $LAT ]] && LAT=0.00
LON=${WHAT}
[[ -z $LON ]] && LON=0.00

# PREPARE HTTP RESPONSE (application/json)
echo "${HTTPCORS}" > ~/.zen/tmp/${MOATS}.http
sed -i "s~text/html~application/json~g"  ~/.zen/tmp/${MOATS}.http

LAT=$(makecoord $LAT)
LON=$(makecoord $LON)

echo "REQUEST $LAT / $LON / $DEG"

if [[ ! -s ~/.zen/tmp/ZONE_$LAT_$LON_$DEG.json ]]; then

    ## REGION & ABOVE LEVEL
    if [[ $DEG == "0.1" ||  $DEG == "1" ]]; then
        LAT=$(echo ${LAT} | cut -d '.' -f 1)
        LON=$(echo ${LON} | cut -d '.' -f 1)
        ZONE="_${LAT}_${LON}"
        echo "ZONE = ${ZONE}"
        ZONEG1PUB=$(${MY_PATH}/../tools/keygen -t duniter "${UPLANETNAME}${ZONE}" "${UPLANETNAME}${ZONE}")
        ZONEINDEX="/ipns/"$(${MY_PATH}/../tools/keygen -t ipfs "${YESTERDATE}${UPLANETNAME}${ZONE}" "${YESTERDATE}${UPLANETNAME}${ZONE}")

    fi

    ## SECTOR LEVEL
    if [[ $DEG == "0.01" ]]; then
        SECLAT="${LAT::-1}"
        SECLON="${LON::-1}"
        SECTOR="_${SECLAT}_${SECLON}"
        echo "SECTOR = ${SECTOR}"
        ZONEG1PUB=$(${MY_PATH}/../tools/keygen -t duniter "${UPLANETNAME}${SECTOR}" "${UPLANETNAME}${SECTOR}")
        ZONEINDEX="/ipns/"$(${MY_PATH}/../tools/keygen -t ipfs "${YESTERDATE}${UPLANETNAME}${SECTOR}" "${YESTERDATE}${UPLANETNAME}${SECTOR}")"/_index.html"

    fi

    ## UMAP LEVEL
    if [[ $DEG == "0.001" ]]; then

        swarmnum=$(ls -d ~/.zen/tmp/swarm/*/UPLANET/__/_*_*/_*.?_*.?/_${LAT}*_${LON}*/TW/* 2>/dev/null | wc -l )
        nodenum=$(ls -d ~/.zen/tmp/${IPFSNODEID}/UPLANET/__/_*_*/_*.?_*.?/_${LAT}*_${LON}*/TW/* 2>/dev/null | wc -l )
        totnum=$(( swarmnum + nodenum ))
        echo " ## UMAP _${LAT}*_${LON}* = ${totnum} PLAYERs"

        G1PUB=$(${MY_PATH}/../tools/keygen -t duniter "${UPLANETNAME}${LAT}" "${UPLANETNAME}${LON}")
        ${MY_PATH}/../tools/keygen -t ipfs -o ~/.zen/tmp/${MOATS}/${UMAP}.priv  "${YESTERDATE}${UPLANETNAME}${LAT}" "${YESTERDATE}${UPLANETNAME}${LON}"
        ipfs key rm ${G1PUB} > /dev/null 2>&1 ## AVOID ERROR ON IMPORT
        UMAPNS=$(ipfs key import ${G1PUB} -f pem-pkcs8-cleartext ~/.zen/tmp/${MOATS}/${UMAP}.priv)

        echo '{ "gridNumbers": [ {"lat": '${LAT}', "lon": '${LON}', "number": "(_'${LAT}'_'${LON}') = '${totnum}'", "ipns": "'${myIPFS}/ipns/${UMAPNS}/_index.html'" } ] }' > ~/.zen/tmp/${MOATS}.http.grid
        cp ~/.zen/tmp/${MOATS}.http.grid ~/.zen/tmp/ZONE_$LAT_$LON_$DEG.json
        cat ~/.zen/tmp/ZONE_$LAT_$LON_$DEG.json >> ~/.zen/tmp/${MOATS}.http

        cat ~/.zen/tmp/${MOATS}.http | nc -l -p ${PORT} -q 1 > /dev/null 2>&1 &

        rm -Rf ~/.zen/tmp/${MOATS}/
        end=`date +%s`
        echo "(UMAP)_${LAT}_${LON} ${YESTERDATE} $UMAPNS Operation time was "`expr $end - $start` seconds.
        exit 0

    fi


    ## ALL OTHER DEG : SEARCH FOR UPLANET TW NUMBERS
    echo '{ "gridNumbers": [' >> ~/.zen/tmp/${MOATS}.http.grid

    for i in $(seq 0 9);
    do
        ZLAT=$(echo "$LAT + $DEG * $i" | bc -l )
        [[ -z  ${ZLAT} ]] && ZLAT=0
        # [[ ! $(echo $ZLAT | grep "\." ) ]] && ZLAT="${ZLAT}."
            for j in $(seq 0 9); do
                ZLON=$(echo "$LON + $DEG * $j" | bc -l )
                [[ -z  ${ZLON} ]] && ZLON=0
                # [[ ! $(echo $ZLON | grep "\." ) ]] && ZLON="${ZLON}."
                echo " ## SEARCH UPLANET/__/_*_*/_*.?_*.?/_${ZLAT}*_${ZLON}*"
                swarmnum=$(ls -d ~/.zen/tmp/swarm/*/UPLANET/__/_*_*/_*.?_*.?/_${ZLAT}*_${ZLON}*/TW/* 2>/dev/null | wc -l )
                nodenum=$(ls -d ~/.zen/tmp/${IPFSNODEID}/UPLANET/__/_*_*/_*.?_*.?/_${ZLAT}*_${ZLON}*/TW/* 2>/dev/null | wc -l )
                totnum=$(( swarmnum + nodenum ))

                [[ $totnum -gt 9 ]] && displaynum="X" || displaynum=$totnum

                [[ $displaynum != "0" ]] && echo '{"lat": '${ZLAT}', "lon": '${ZLON}', "number": "'${displaynum}'", "ipns": "'${ZONEINDEX}'" }
                ,' >> ~/.zen/tmp/${MOATS}.http.grid \
                    && echo "$DEG :" '{"lat": '${ZLAT}', "lon": '${ZLON}', "number": "'${totnum}'", "ipns": "'${ZONEINDEX}'" }'

            done
    done

    sed -i '$ d' ~/.zen/tmp/${MOATS}.http.grid ## REMOVE LAST ','
    echo ']}'  >> ~/.zen/tmp/${MOATS}.http.grid

    ## ADD TO CACHE
    cp ~/.zen/tmp/${MOATS}.http.grid ~/.zen/tmp/ZONE_$LAT_$LON_$DEG.json

fi

### SEND RESPONSE ON PORT
cat ~/.zen/tmp/ZONE_$LAT_$LON_$DEG.json >> ~/.zen/tmp/${MOATS}.http
cat ~/.zen/tmp/${MOATS}.http | nc -l -p ${PORT} -q 1 > /dev/null 2>&1 &

## CLEANING
rm -Rf ~/.zen/tmp/${MOATS}/

## TIMING
end=`date +%s`
echo "(ZONE) Operation time was "`expr $end - $start` seconds.
exit 0