-- Phone/Dialer functionality for Virtual Smartphone

-- Dial pad state
local dial_number = ""
local max_digits = 15

-- Add a digit to the dial display
function dialPress(digit)
    if #dial_number < max_digits then
        dial_number = dial_number .. digit
        updateDialDisplay()
        print("Dialed: " .. digit .. " | Number: " .. dial_number)
    end
end

-- Clear the last digit
function dialBackspace()
    if #dial_number > 0 then
        dial_number = dial_number:sub(1, -2)
        updateDialDisplay()
        print("Backspace | Number: " .. dial_number)
    end
end

-- Clear all digits
function dialClear()
    dial_number = ""
    updateDialDisplay()
    print("Cleared dial pad")
end

-- Update the dial display element
function updateDialDisplay()
    local display = document:GetElementById("dial-display")
    if display then
        -- Format number with dashes for readability
        local formatted = formatPhoneNumber(dial_number)
        display.inner_rml = formatted
    end
end

-- Format phone number for display
function formatPhoneNumber(number)
    local len = #number
    if len == 0 then
        return ""
    elseif len <= 3 then
        return number
    elseif len <= 6 then
        return number:sub(1, 3) .. "-" .. number:sub(4)
    elseif len <= 10 then
        return "(" .. number:sub(1, 3) .. ") " .. number:sub(4, 6) .. "-" .. number:sub(7)
    else
        return "+1 (" .. number:sub(1, 3) .. ") " .. number:sub(4, 6) .. "-" .. number:sub(7, 10)
    end
end

-- Make a call (simulated)
function makeCall()
    if #dial_number > 0 then
        print("Calling: " .. dial_number)
        -- In a real app, this would initiate a call
        -- For now, just show feedback
    else
        print("No number to call")
    end
end

-- End a call (simulated)
function endCall()
    print("Call ended")
    dialClear()
end

-- Get the current dial number
function getDialNumber()
    return dial_number
end

print("Phone system initialized")