Wood Transfer

chests = {
    "quark:oak_chest",
    "charm:oak_chest",
}
fuel = {
    "minecraft:coal_block",
    "actuallyadditions:block_misc",
    "quark:charcoal_block",
}

wood = {
    "byg:fir_log"
}

furnaceCount = 5
checkedSlots = 1

function getFuel()
    isBlock, data = turtle.inspectDown()
    if (data.name == "charm:oak_chest") then
        fuelSlot = getFuelIndex()
        if fuelSlot ~= nil then
            turtle.select(fuelSlot)
            local coalBlocks = turtle.getItemCount()
            if coalBlocks <= 30 then
                turtle.suckDown(20)
            end
        elseif fuelSlot == nil then
            turtle.suckDown(30)
        end
        refuel()
    end
end

function getFuelIndex()
    for slotNum = 1, 16, 1 do
        local Item = turtle.getItemDetail(slotNum)
        if(Item ~=nil) then
            for fuelIndex =1, #fuel, 1 do
                if(Item.name == fuel[fuelIndex]) then
                return slotNum
                end
            end
        end
    end
end

function refuel()
    if(turtle.getFuelLevel() < 400) then
    local Index = getFuelIndex()
      if(Index ~= nil) then
      turtle.select(Index)
      turtle.refuel(2)
      end
    end
end

function getWood()
    turtle.select(1)
        local currentWood = getWoodCount()
        while currentWood < furnaceCount * 64 + 30 do
            local currentWood2 = currentWood
            turtle.suckDown()
            currentWood = getWoodCount()
            if currentWood2 == currentWood then
                sleep(100)
            end
        end
end

function getWoodIndex()
    for slotNum = 1, 16, 1 do
        local item = turtle.getItemDetail(slotNum)
        if(item ~= nil)  then
            for woodIndex = 1, #wood, 1 do
                if(item.name == wood[woodIndex]) then
                return slotNum
                end
            end
        end
    end
end

function getWoodCount()
    woodCount = 0
    for slotNum = 1,16,1 do
        local whatsHere = turtle.getItemDetail(slotNum)
        if(whatsHere ~= nil) then
            if (whatsHere.name == "byg:fir_log") then
            turtle.select(slotNum)
            woodCount = woodCount + turtle.getItemCount()
            print("Current wood Count A-",woodCount)
            end
        end
    end
    print("Current wood Count B-",woodCount)
    return woodCount
end

function depositWood()
    for i = 1, furnaceCount, 1 do
        turtle.select(getWoodIndex())
        if turtle.getItemCount() < 64 then
            local amountDropped = turtle.getItemCount()
            turtle.dropDown(64)
            print("dropping -",amountDropped)
            turtle.select(getWoodIndex())
            turtle.dropDown(64 - amountDropped)
            print("dropping -",amountDropped)
        elseif turtle.getItemCount() == 64 then
            local amountDropped = turtle.getItemCount()
            turtle.dropDown(64)
            print("dropping -",amountDropped)
        end
        turtle.forward()
    end
end

function goHome()
    turtle.turnLeft()
    turtle.turnLeft()
    turtle.forward()
    atStart = false
    while atStart == false do
        local isBlock, data= turtle.inspectDown()
        if(data.name == "minecraft:furnace" ) then
            turtle.forward()
        elseif (data.name == "byg:fir_fence") then
            turtle.turnLeft()
            for i = 1, 5, 1 do
                turtle.forward()
            end
        elseif (data.name == "charm:oak_chest") then
            turtle.turnLeft()
            turtle.turnLeft()
            atStart = true
        end
    end
end

function goToWork()
    while turtle.detect() == false do
        turtle.forward()
    end
    turtle.turnRight()
    turtle.forward()
end

function transfer()
    getWood()
    goToWork()
    depositWood()
    getFuel()
    goHome()
    sleep(600)
end

while true do
    transfer()
end