rednet.open("back")

state = {}
ores = {}

thelog = {"", "", "", "", "", "", "", ""} 
logsize = 6
logpos = 1

curjob = 69
firstjob = nil
totalfuel = 0


function getNextJob()
    curjob = curjob + 1
    return curjob - 1
end

function getOres(ore)
    return ores[ore] or 0
end

function drawState()
    -- server has 19x50 terminal
    print("             [ Server Control Panel ]")
    print("       First Job: "..tostring(firstjob))
    print("     Current Job: "..tostring(curjob))
    print("   Fuel consumed: "..tostring(totalfuel).." ("..tostring(math.ceil(totalfuel/80))..")")
    print()
    n1 = tostring(getOres("minecraft:coal_ore"))
    n2 = tostring(getOres("minecraft:iron_ore"))
    n3 = tostring(getOres("minecraft:gold_ore"))
    n4 = tostring(getOres("minecraft:lapis_ore"))
    n5 = tostring(getOres("minecraft:redstone_ore"))
    n6 = tostring(getOres("minecraft:emerald_ore"))
    n7 = tostring(getOres("minecraft:diamond_ore"))
    n8 = tostring(getOres("mekanism:tin_ore"))
    n9 = tostring(getOres("mekanism:copper_ore"))
    n10 = tostring(getOres("mekanism:osmium_ore"))
    n11 = tostring(getOres("create:zinc_ore"))
    n12 = tostring(getOres("create:copper_ore"))
    print("       C I G  "..n1.." "..n2.." "..n3)
    print("     L R E D  "..n4.." "..n5.." "..n6.." "..n7)
    print("       T C O  "..n8.." "..n9.." "..n10)
    print("         Z C  "..n11.." "..n12)
    print()
    print("Log:")
    for i = logpos, (logpos + logsize - 1) do
        print(thelog[((i-1) % logsize)+1]) -- map from 0..n-1 to 1..n
    end
end

function log(s)
    thelog[logpos] = s
    logpos = logpos + 1
    drawState()
end

while true do
    log("From what index do you want to resume jobs?")
    x = read()
    if tonumber(x) then
        curjob = tonumber(x)
        firstjob = tonumber(x)
        break
    end
    log("That's not a number.")
end

while true do
    sender, message, proto = rednet.receive()
    if not message then
        sleep(0.6)
    else
        if message == "syn" then
            receiver = sender
            rednet.send(receiver, "ack")
            _, message, _ = rednet.receive()
            if message then
                if message == "gibjob" then
                    if rs.getInput("top") then
                        job = getNextJob()
                        rednet.send(receiver, tostring(job))
                        log("Found job request. Offering "..tostring(job))
                    else
                        rednet.send(receiver, "nojobs")
                    end
                    drawState()
                elseif message == "report" then
                    _, job, _ = rednet.receive()
                    thejob = tonumber(job)
                    _, fuel, _ = rednet.receive()
                    thefuel = tonumber(fuel)
                    totalfuel = totalfuel + thefuel
                    while true do
                        _, ore, _ = rednet.receive()
                        if ore == "done" then
                            break
                        end
                        _, number, _ = rednet.receive()
                        --thenumber = tonumber(thenumber)
                        if ores[ore] then
                            ores[ore] = ores[ore] + tonumber(number)
                        else
                            ores[ore] = tonumber(number)
                        end
                        drawState()
                    end
                    rednet.send(receiver, "thanks")
                end
            end
        end
    end
end