#!/bin/bash

BASEURL="http://localhost:8081/admin"
BASEURI="https://owncloud.srs.epita.fr/remote.php/webdav/FIC 2017"
BASEFILE="/mnt/fic/"
CLOUDPASS=fic:'f>t\nV33R|(+?$i*'

new_theme() {
    NAME=`echo $1 | sed 's/"/\\\\"/g'`
    AUTHORS=`echo $2 | sed 's/"/\\\\"/g'`
    curl -f -s -d "{\"name\": \"$NAME\", \"authors\": \"$AUTHORS\"}" "${BASEURL}/api/themes/" |
	grep -Eo '"id":[0-9]+,' | grep -Eo "[0-9]+"
}

new_exercice() {
    THEME="$1"
    TITLE=`echo "$2" | sed 's/"/\\\\"/g'`
    STATEMENT=`echo "$3" | sed 's/"/\\\\"/g' | sed ':a;N;$!ba;s/\n/<br>/g'`
    HINT=`echo "$4" | sed 's/"/\\\\"/g' | sed ':a;N;$!ba;s/\n/<br>/g'`
    DEPEND="$5"
    GAIN="$6"
    VIDEO="$7"

    curl -f -s -d "{\"title\": \"$TITLE\", \"statement\": \"$STATEMENT\", \"hint\": \"$HINT\", \"depend\": $DEPEND, \"gain\": $GAIN, \"videoURI\": \"$VIDEO\"}" "${BASEURL}/api/themes/$THEME" |
	grep -Eo '"id":[0-9]+,' | grep -Eo "[0-9]+"
}

new_file() {
    THEME="$1"
    EXERCICE="$2"
    URI="$3"

#    curl -f -s -d "{\"URI\": \"${BASEFILE}${URI}\"}" "${BASEURL}/api/themes/$THEME/$EXERCICE/files" |
    curl -f -s -d "{\"path\": \"${BASEFILE}${URI}\"}" "${BASEURL}/api/themes/$THEME/$EXERCICE/files" |
	grep -Eo '"id":[0-9]+,' | grep -Eo "[0-9]+"
}

new_key() {
    THEME="$1"
    EXERCICE="$2"
    NAME="$3"
    KEY=`echo $4 | sed 's/"/\\\\"/g' | sed 's#\\\\#\\\\\\\\#g'`

    curl -f -s -d "{\"name\": \"$NAME\", \"key\": \"$KEY\"}" "${BASEURL}/api/themes/$THEME/$EXERCICE/keys" |
	grep -Eo '"id":[0-9]+,' | grep -Eo "[0-9]+"
}

get_dir_from_cloud() {
    curl -f -s -X PROPFIND -u "${CLOUDPASS}" "${BASEURI}$1" | xmllint --format - | grep 'd:href' | sed -E 's/^.*>(.*)<.*$/\1/'
}
get_dir() {
    ls "${BASEFILE}$1"
}
#alias get_dir=get_dir_from_cloud

get_file_from_cloud() {
    curl -f -s -u "${CLOUDPASS}" "${BASEURI}$1" | tr -d '\r'
}
get_file() {
    cat "${BASEFILE}$1" | tr -d '\r'
}
#alias get_file=get_file_from_cloud

unhtmlentities() {
    cat | sed -E 's/%20/ /g' | sed -E "s/%27/'/g" | sed -E 's/%c3%a9/é/g' | sed -E 's/%c3%a8/è/g'
}

# Theme
get_dir "" | while read f; do basename "$f"; done | while read THEME_URI
do
    THM_BASEURI="/${THEME_URI}/"
    THEME_NAME=$(echo "${THEME_URI#*-}" | unhtmlentities)
    THEME_AUTHORS=$(get_file "${THM_BASEURI}/AUTHORS.txt" | sed 's/$/,/' | xargs)
    THEME_ID=`new_theme "$THEME_NAME" "$THEME_AUTHORS"`
    if [ -z "$THEME_ID" ]; then
        echo -e "\e[31;01m!!! An error occured during theme add\e[00m"
        continue
    else
        echo -e "\e[33m>>> New theme created:\e[00m $THEME_ID - $THEME_NAME"
    fi

    LAST=null
    EXO_NUM=0
    get_dir "${THM_BASEURI}" | sed 1d | while read f; do basename "$f"; done | while read EXO_URI
    do
	case ${EXO_URI} in
	    [0-9]-*)
	    ;;
	    *)
		continue;;
	esac

	#EXO_NUM=$((EXO_NUM + 1))
	EXO_NUM=${EXO_URI%-*}
	EXO_NAME=$(echo "${EXO_URI#*-}" | unhtmlentities)
	echo
	echo -e "\e[36m--- Filling exercice ${EXO_NUM} in theme ${THEME_NAME}\e[00m"

	EXO_BASEURI="${EXO_URI}/"

	EXO_VIDEO=$(get_dir "${THM_BASEURI}${EXO_BASEURI}/resolution/" | grep -E "\.(mov|mkv|mp4|avi|flv|ogv|webm)$" | while read f; do basename $f; done | tail -1)

	if [ "${LAST}" = "null" ]; then
	    echo ">>> Assuming this exercice has no dependency"
	else
	    echo ">>> Assuming this exercice depends on the last entry (id=${LAST})"
	fi

	EXO_GAIN=$((3 * (2 ** $EXO_NUM) - 1))
	echo ">>> Using default gain: ${EXO_GAIN} points"

	EXO_SCENARIO=$(get_file "${THM_BASEURI}${EXO_BASEURI}/scenario.txt")
	EXO_HINT=$(get_file "${THM_BASEURI}${EXO_BASEURI}/hint.txt")

	EXO_ID=`new_exercice "${THEME_ID}" "${EXO_NAME}" "${EXO_SCENARIO}" "${EXO_HINT}" "${LAST}" "${EXO_GAIN}" "/resolution${THM_BASEURI}${EXO_BASEURI}resolution/${EXO_VIDEO}"`
	if [ -z "$EXO_ID" ]; then
	    echo -e "\e[31;01m!!! An error occured during exercice add.\e[00m"
	    continue
	else
	    echo -e "\e[32m>>> New exercice created:\e[00m $EXO_ID - $EXO_NAME"
        fi


	# Keys
	get_file "${THM_BASEURI}${EXO_BASEURI}/flags.txt" | while read KEYLINE
	do
	    KEY_NAME=$(echo "$KEYLINE" | cut -d : -f 1)
	    KEY_RAW=$(echo "$KEYLINE" | cut -d : -f 2-)

	    if [ -z "${KEY_NAME}" ]; then
		KEY_NAME="Flag"
	    fi

	    KEY_ID=`new_key "${THEME_ID}" "${EXO_ID}" "${KEY_NAME}" "${KEY_RAW}"`
	    if [ -z "$KEY_ID" ]; then
	        echo -e "\e[31;01m!!! An error occured during key import!\e[00m (name=${KEYNAME};raw=${KEY_RAW})"
	    else
	        echo -e "\e[32m>>> New key added:\e[00m $KEY_ID - $KEY_NAME"
	    fi
	done


	# Files
	get_dir "${THM_BASEURI}${EXO_BASEURI}files/" | grep -v DIGESTS.txt | while read f; do basename "$f"; done | while read FILE_URI
	do
	    echo "Import file ${THM_BASEURI}${EXO_BASEURI}files/${FILE_URI}"
	    FILE_ID=`new_file "${THEME_ID}" "${EXO_ID}" "${THM_BASEURI}${EXO_BASEURI}files/${FILE_URI}"`
	    if [ -z "$FILE_ID" ]; then
	        echo -e "\e[31;01m!!! An error occured during file import! Please check path.\e[00m"
	    else
	        echo -e "\e[32m>>> New file added:\e[00m $FILE_ID - $FILE_URI"
	    fi
	done


	LAST=$EXO_ID
    done
    echo
done