ComputerCraft

local function turnLeft(Times)
    Times = Times or 1
    for i = 1, Times do
        turtle.turnLeft()
    end
end

local function turnRight(Times)
    Times = Times or 1
    for i = 1, Times do
        turtle.turnRight()
    end
end

local function turnAround()
    turnRight(2)
end

local function IsLava()
    local _, Data = turtle.inspect()

    return Data.name == "minecraft:lava"
end

local function SendMessage(Message)
    local WebhookURL = "https://discord.com/api/webhooks/1243847800190406696/LUlW18jdivKSnI63NeBwddMxbqFU_qtPvAON19nWLlFpjv5TFNvJqGcl19NH1fmwdALR"
    http.post(WebhookURL, '{"content": "' .. Message .. '"}', {["Content-Type"] = "application/json"})
end

local function DigAndCollect(Side)
    Side = not Side and "f" or string.lower(Side)
    if Side == "f" then
        turtle.dig()
    elseif Side == "l" then
        turnLeft()
        turtle.dig()
        for i = 1, 4 do turnLeft() end
    elseif Side == "r" then
        turnRight()
        turtle.dig()
        turnLeft()
    elseif Side == "b" then
        turnLeft(2)
        turtle.dig()
        turnLeft(2)
    elseif Side == "u" then
        turtle.digUp()
        turtle.suckUp()
        return;
    elseif Side == "d" then
        turtle.digDown()
        turtle.suckDown()
        return;
    end
    turtle.suck()
end

while true do
    if turtle.detectUp() then
        DigAndCollect("u")
    end
    if turtle.detect() then
        DigAndCollect("f")
    end
    turtle.forward()
    if not turtle.detectDown() then
        pcall(turtle.placeDown)
    end
    if IsLava() then
        SendMessage("@everyone Came across lava!!")
        turtle.place()
        turnAround()
        if not turtle.detect() then
            turtle.forward()
            turnRight()
        end
    end
end