test1234

-- Specify the wall material (update this as needed)
local WALL_MATERIAL = "railcraft:abyssal"

-- Function to refuel the turtle from its inventory
local function refuelTurtle()
    for slot = 1, 16 do
        turtle.select(slot)
        if turtle.refuel(0) then
            print("Refueled! Current fuel level: " .. turtle.getFuelLevel())
            return true
        end
    end
    print("No valid fuel found!")
    return false
end

-- Initialize the turtle
local function initializeTurtle()
    if turtle.getFuelLevel() == 0 then
        print("Out of fuel! Attempting to refuel...")
        if not refuelTurtle() then
            print("Failed to refuel. Add fuel to the turtle's inventory.")
            return false
        end
    end
    return true
end

-- Verify the wall material
local function isCorrectWallMaterial()
    local success, data = turtle.inspect()
    if success then
        return data.name == WALL_MATERIAL
    end
    return false
end

-- Check if the turtle is in a corner
local function isCorner()
    local frontWall = isCorrectWallMaterial()
    turtle.turnLeft()
    local leftWall = isCorrectWallMaterial()
    turtle.turnRight() -- Reset orientation
    return frontWall and leftWall
end

-- Follow the wall until a corner is found
local function findCorner()
    print("Searching for a corner...")
    while true do
        if isCorner() then
            print("Corner found!")
            return true
        end

        if isCorrectWallMaterial() then
            -- Wall ahead, turn left to follow it
            print("Wall detected ahead. Turning left to follow the wall.")
            turtle.turnLeft()
        end

        -- Attempt to move forward
        if not turtle.forward() then
            print("Blocked while following the wall. Trying to adjust...")
            turtle.turnLeft()
        else
            print("Moved forward while following the wall.")
        end
    end
end

-- Measure and traverse one side of the wall
local function measureAndTurn()
    local distance = 0
    while not isCorrectWallMaterial() do
        if not turtle.forward() then
            print("Blocked while measuring side!")
            return -1
        end
        distance = distance + 1
    end

    print("Wall detected after " .. distance .. " blocks. Turning to the next wall.")
    turtle.turnRight() -- Turn to the next wall
    return distance
end

-- Measure the full perimeter of the room
local function measurePerimeter()
    local distances = {}

    for i = 1, 4 do
        print("Measuring wall " .. i .. "...")
        local distance = measureAndTurn()
        if distance <= 0 then
            print("Failed to measure wall " .. i .. ". Aborting!")
            return nil
        end
        table.insert(distances, distance)
    end

    return distances[1], distances[2] -- Return the length and width
end

-- Move to the starting position offset by 1 block from the corner
local function moveToStartingPosition()
    print("Offsetting by 1 block from the corner...")
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
end

-- Break the block below and place a lamp
local function placeLamp()
    turtle.digDown()
    for slot = 1, 16 do
        turtle.select(slot)
        local item = turtle.getItemDetail()
        if item and item.name == "projectred-illumination:lamp" then
            turtle.placeDown()
            return
        end
    end
    print("No 'Inverted Purple Lamp' found in inventory!")
end

-- Place lamps in a grid pattern
local function placeGrid(length, width)
    local rows = math.floor((width - 1) / 5)
    local cols = math.floor((length - 1) / 5)

    for row = 0, rows do
        for col = 0, cols do
            -- Place a lamp at the current position
            placeLamp()

            -- Move to the next column
            if col < cols then
                for i = 1, 5 do
                    if not turtle.forward() then
                        print("Blocked! Can't move forward.")
                        return
                    end
                end
            end
        end

        -- Move to the next row
        if row < rows then
            if row % 2 == 0 then
                turtle.turnRight()
                for i = 1, 5 do turtle.forward() end
                turtle.turnRight()
            else
                turtle.turnLeft()
                for i = 1, 5 do turtle.forward() end
                turtle.turnLeft()
            end
        end
    end
end

-- Main program
local function main()
    print("Starting lamp placement...")

    if not initializeTurtle() then
        return
    end

    if not findCorner() then
        print("Failed to find a corner. Aborting!")
        return
    end

    print("Measuring the room perimeter...")
    local length, width = measurePerimeter()
    if not length or not width then
        print("Failed to measure the room. Aborting!")
        return
    end

    print("Room dimensions detected: Length = " .. length .. ", Width = " .. width)

    print("Moving to starting position...")
    moveToStartingPosition()

    print("Placing lamps in a grid pattern...")
    placeGrid(length, width)

    print("Task complete!")
end

main()