-- Define the path to the file
local path = "/disk/Info.txt"

-- Function to check if the file exists and list its contents
local function checkFileAndListContents(filePath)
    -- Attempt to open the file in read mode
    local file = fs.open(filePath, "r")

    if file then
        -- File exists, read its contents
        print("File exists. Contents:")
        local contents = file.readAll()
        print(contents)

        -- Close the file
        file.close()
    else
        -- File does not exist
        print("File does not exist.")
    end
end

-- Function to append data to the file
local function appendDataToFile(filePath)
    -- Prompt user for input
    print("Enter the following details to add to the file:")

    write("Name: ")
    local name = read()

    write("House number: ")
    local houseNumber = read()

    write("Job: ")
    local job = read()

    write("Date of Birth (YYYY-MM-DD): ")
    local dob = read()

    write("Gender (M/F/Other): ")
    local gender = read()

    write("Phone Number: ")
    local phoneNumber = read()

    write("Email Address: ")
    local email = read()

    -- Open the file in append mode
    local file = fs.open(filePath, "a")

    -- Write the data to the file
    file.writeLine("Name: " .. name)
    file.writeLine("House number: " .. houseNumber)
    file.writeLine("Job: " .. job)
    file.writeLine("Date of Birth: " .. dob)
    file.writeLine("Gender: " .. gender)
    file.writeLine("Phone Number: " .. phoneNumber)
    file.writeLine("Email Address: " .. email)
    file.writeLine()  -- Add an empty line for better readability

    -- Close the file
    file.close()

    print("Data has been appended to the file.")
end

-- Function to display the main menu and handle user choices
local function mainMenu()
    while true do
        print("\n--- Main Menu ---")
        print("1. Check file and list contents")
        print("2. Append data to file")
        print("3. Exit")

        -- Get user choice
        local choice = read()

        if choice == "1" then
            -- Check file and list contents
            checkFileAndListContents(path)
        elseif choice == "2" then
            -- Append data to the file
            appendDataToFile(path)
        elseif choice == "3" then
            -- Exit the program
            print("Exiting program...")
            break
        else
            print("Invalid choice. Please select a valid option.")
        end
    end
end

-- Automatically load and read the file upon startup
print("Loading and reading the file upon startup...")
checkFileAndListContents(path)

-- Display the main menu
mainMenu()