local spaceBetweenRows = 2
local spaceBetweenTorches = 10
local currentRow, currentLength, currentHeight, rows, length, height = 1, 1, 1, 1, 1
local sunduk
local turtle = require("robot");

local fuels = {
        lava = "minecraft:lava_bucket",
        coal = "minecraft:coal",
}

local function text(x, y, text)
        print(text)
end

local function refuel()
        local fuelLevel = turtle.getFuelLevel()
        local bucketSlot

        if fuelLevel ~= "unlimited" or fuelLevel < 10 then
                for i = 1, 16 do
                        local itemDetail = turtle.getItemDetail(i) or {name = "huy"}

                        if itemDetail.name == "minecraft:lava_bucket" then
                                local oldSlot = turtle.getSelectedSlot()
                                turtle.select(i)
                                turtle.refuel()
                                turtle.select(oldSlot)

                                return true
                        else
                                for key, value in pairs(fuels) do
                                        if itemDetail.name == value then
                                                local oldSlot = turtle.getSelectedSlot()
                                                turtle.select(i)
                                                turtle.refuel()
                                                turtle.select(oldSlot)

                                                return true
                                        end
                                end
                        end
                end

                return false
        end
end

local function turnBack()
        turtle.turnLeft()
        turtle.turnLeft()
end

local function placeSunduk()
        for i = 1, 16 do
                local itemDetail = turtle.getItemDetail(i) or {name = "huy"}

                if itemDetail.name == "minecraft:chest" then
                        turnBack()
                        sunduk = i
                        local oldSlot = turtle.getSelectedSlot()
                        turtle.select(i)
                        turtle.dig()
                        turtle.place()
                        turtle.select(oldSlot)
                        turnBack()

                        return 0
                end
        end
end

local function placeTorch()
        for i = 1, 16 do
                local itemDetail = turtle.getItemDetail(i) or {name = "huy"}

                if itemDetail.name == "minecraft:torch" then
                        local oldSlot = turtle.getSelectedSlot()
                        turtle.select(i)
                        turtle.placeDown()
                        turtle.select(oldSlot)

                        return 0
                end
        end
end


local function kopat(direction)

        refuel()

        if turtle.getFuelLevel() == 0 then error("Out of fuel!") end


        if direction == "forward" then
                turtle.dig()
                turtle.attack()
                if not turtle.forward() then kopat(direction) end
        elseif direction == "up" then
                turtle.digUp()
                turtle.attackUp()
                if not turtle.up() then kopat(direction) end
        elseif direction == "down" then
                turtle.digDown()
                turtle.attackDown()
                if not turtle.down() then kopat(direction) end
        else
                turtle.dig()
        end
end

------------------------------------------------------------------------------------------------------------------------

text(2, 2, "Skolko ryadov: ")
rows = tonumber(io.read())
text(2, 4, "Dlina ryada: ")
length = tonumber(io.read())
text(2, 6, "Visota ryada: ")
height = tonumber(io.read())

placeSunduk()

kopat("up")

for r = 1, rows do
        currentRow = r

        --Копать в высоту

        for h = 1, height do
                currentHeight = h

                --Копать вперед
                for l = 1, length do
                        currentLength = l

                        kopat("forward")
                        turtle.digUp()
                        turtle.digDown()

                        if h == 1 and l % (spaceBetweenTorches + 1) == 0 then
                                placeTorch()
                        end
                end

                --Возврат назад по длине
                turnBack()
                for l = 1, length do
                        currentLength = length - l + 1

                        kopat("forward")
                end
                turnBack()

                --Копать выше
                if h < height then
                        for i = 1, 3 do
                                kopat("up")
                        end
                end
        end

        --Возврат назад по высоте
        for i = 1, ((height - 1) * 3) do
                kopat("down")
        end

        turtle.turnRight()

        if r < rows then
                for i = 1, (spaceBetweenRows + 1) do
                        kopat("forward")
                        turtle.digUp()
                        turtle.digDown()
                end
        end

        turtle.turnLeft()

end

turtle.turnLeft()

for i = 1, ((rows - 1) * (spaceBetweenRows + 1)) do
        kopat("forward")
end

kopat("down")

if sunduk then
        turtle.turnLeft()
        for i = 1, 16 do
                turtle.select(i)
                turtle.drop()
        end
        turtle.turnRight()
end

turtle.turnRight()


text(2, 2, "Done!")