-- Set event pulling to raw mode
os.pullEvent = os.pullEventRaw

-- Table to store modem locations
local modemLocations = {}

-- Function to find the side where the modem is located
local function findModemSide()
    for _, side in ipairs(rs.getSides()) do
        if peripheral.getType(side) == "modem" then
            return side
        end
    end
    return nil  -- No modem found
end

-- Function to open Rednet on the side where the modem is located
local function openRednet()
    local modemSide = findModemSide()
    if modemSide then
        rednet.open(modemSide)
        print("Rednet opened on side:", modemSide)
        return true
    else
        print("No modem found.")
        return false
    end
end

-- Function to log the location of the current computer
local function logComputerLocation()
    local computerID = os.computerID()
    local computerLabel = os.getComputerLabel() or "Unnamed"
    modemLocations[computerID] = {label = computerLabel, location = os.getComputerLabel()}
    print("Logged computer ID:", computerID, "with label:", computerLabel)
end

-- Function to send the computer's ID to the main computer
local function sendComputerID()
    local mainComputerID = 77 -- Replace with the ID of the main computer
    rednet.send(mainComputerID, os.computerID())
    print("Sent computer ID:", os.computerID(), "to main computer ID:")
end

-- Main function to handle receiving and executing commands
local function main()
    -- Open Rednet on the side where the modem is located
    if not openRednet() then
        return  -- Exit if no modem is found
    end

    -- Log the location of the current computer
    logComputerLocation()

    -- Send the computer's ID to the main computer
    sendComputerID()

    -- Main loop to listen for incoming commands
    while true do
        local senderID, message = rednet.receive()

        -- Check if the message is intended for this computer
        if type(message) == "string" then
            print("Received command:", message)
            -- Execute the received command
            shell.run(message)
        end
    end
end

-- Run the main function
main()