-- Initialize Peripherals
local monitor = peripheral.find("monitor")
local tape = peripheral.find("tape_drive")

if not monitor or not tape then
    error("Missing peripheral(s): Make sure monitor and tape drive are connected.")
end

monitor.setTextScale(0.5)
monitor.setBackgroundColor(colors.black)
monitor.clear()

-- Function to draw the audio visualizer
local function drawVisualizer(progress)
    local width, height = monitor.getSize()
    local numBars = width
    local barHeight = math.floor(height * progress)
    
    for i = 1, numBars do
        for j = 1, height do
            monitor.setCursorPos(i, height - j + 1)
            if j <= barHeight then
                monitor.setBackgroundColor(colors.green)
            else
                monitor.setBackgroundColor(colors.black)
            end
            monitor.write(" ")
        end
    end
end

-- Function to play the tape and visualize the "audio"
local function playAndVisualize()
    tape.play()
    local length = tape.getSize()

    while true do
        local position = tape.getPosition()
        if position >= length then
            break
        end
        local progress = position / length
        drawVisualizer(progress)
        os.sleep(0.1)
    end
    
    monitor.clear()
end

-- Function to handle tape switching
local function switchTape()
    print("Ejecting tape... Please insert a new tape and press Enter.")
    tape.stop()
    tape.eject()
    read() -- Wait for user input to insert new tape
    tape.play()
    playAndVisualize()
end

-- Main function to run the player
local function main()
    while true do
        print("Playing tape... Press 'S' to stop and switch tape.")
        playAndVisualize()

        -- Wait for the user to press a key
        local event, key = os.pullEvent("key")
        if key == keys.s then
            switchTape()
        end
    end
end

-- Start the main function
main()