#!/usr/bin/env bash

#grep -e 'Videobridge.createConference\|Conference.expire' jvb.log > 11

LOGFILE="/var/log/jitsi/jvb.log"
STATEFILE="/srv/jitsi/bin/jitsi-stats.state"
DB="/srv/jitsi/data/jitsi-stats.db"

if [[ -f "$STATEFILE" ]]; then
    last_processed=$(cat "$STATEFILE")
else
    last_processed="1970-01-01 00:00:00.000"
fi

declare -A start_times
declare -A conference_names

jvb_log_parse() {

    local new_last_processed="$last_processed"

    while IFS= read -r line; do
        if [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\ Videobridge\.createConference#[0-9]+:\ create_conf,\ id=([a-zA-Z0-9-]+) ]]; then
            timestamp="${BASH_REMATCH[1]}"
            conferenceId="${BASH_REMATCH[2]}"
            if [[ "$timestamp" > "$last_processed" ]]; then
                start_times["$conferenceId"]="$timestamp"
                if [[ "$timestamp" > "$new_last_processed" ]]; then
                    new_last_processed="$timestamp"
                fi
            fi

        elif [[ "$line" =~ ([0-9-]+\ [0-9:.]+)\ [A-Z]+:.*\[confId=([a-zA-Z0-9-]+)\ .*conf_name=([^ ]+)@.*\]\ Conference\.expire ]]; then
            timestamp="${BASH_REMATCH[1]}"
            conferenceId="${BASH_REMATCH[2]}"
            conferenceName="${BASH_REMATCH[3]}"
            if [[ "$timestamp" > "$last_processed" ]]; then
                start_time="${start_times["$conferenceId"]}"
                conference_names["$conferenceId"]="$conferenceName"
                    if [[ -n "$start_time" ]]; then
                        echo "$conferenceName $eventId $start_time $timestamp"
                        sqlite3 "$DB" <<EOF
                            INSERT INTO conferences (conference_name, conference_id, start, end) VALUES ('$conferenceName', '$conferenceId', '$start_time', '$timestamp');
EOF
                        unset start_times["$conferenceId"]
                        unset conference_names["$conferenceId"]
                    fi
                    if [[ "$fimestamp" > "$new_last_processed" ]]; then
                        new_last_processed="$timestamp"
                    fi
            fi
        fi

    done < "$LOGFILE"

    echo "$new_last_processed" > "$STATEFILE"

}

jvb_log_parse