monitor_log

#!/bin/bash

minecraft_dir=../
curr_user=`tail -n1 $minecraft_dir/white-list.txt`
fd="$minecraft_dir/command_input"
db='/tmp/chaincraft.db'
spectator="endofdays442"

function cycle_user() {
    local nextUser=$(sqlite3 "$db" "select * from users limit 1")
    if test -z "$nextUser"; then return; fi

    local userName=$(echo "$nextUser" | cut -d'|' -f3)
    local userEmail=$(echo "$nextUser" | cut -d'|' -f2)
    echo "Emailing $userName at $userEmail to come play."

    echo "whitelist add $userName" > $fd
    sqlite3 "$db" "delete from users where handle=\"$userName\""
    sendmail -fnoreply@linode.jmatthews.us "$userEmail" << __ENDEMAIL__
Your turn to play! Connect to linode.jmatthews.us:25565 to play chaincraft.
__ENDEMAIL__
}

function process_line() {
    local user_end=0

    if echo $1 | grep -i "joined the game"
    then
        local newUser=$(echo $1 | cut -d: -f4 | cut -d' ' -f2 | tr '[:upper:]' '[:lower:]')
        if [ "$newUser" == "$spectator" ]; then return; fi
        curr_user=$newUser
        echo "Setting $newUser as the current user."
        echo "tp $spectator $curr_user" > $fd
        return
    fi

    # Detect if user has disconnected
    if echo $1 | grep -i "$curr_user left the game"
    then
        echo "$curr_user left, cycling to next in queue."
        local user_end=1
    fi

    #Detect if the user died
    while read text
    do
        if echo $1 | grep -i "$curr_user $text"
        then
            echo "$curr_user died, cycling to next in queue."
            local user_end=1
            break
        fi
    done < death_messages

    if [ $user_end -eq 1 ]
    then
        #Remove them from the whitelist
        echo "Removing $curr_user from the whitelist and kicking."
        echo "whitelist remove $curr_user" > $fd
        echo "kick $curr_user Your turn is over. Thanks for playing" > $fd
        cycle_user
    fi
}

cycle_user
tail -n0 -f $minecraft_dir/logs/latest.log | while read l
do
    process_line "$l"
done