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-- Wrap peripherals
local monitor = peripheral.wrap("top")
local playerDetector = peripheral.wrap("right")

-- Setup the monitor
monitor.clear()
monitor.setTextScale(1)
monitor.setTextColor(colors.white)
monitor.setBackgroundColor(colors.black)

-- Monitor dimensions
local width, height = monitor.getSize()

-- Table to store player names and their displayed positions
local playerDisplay = {}
local selectedPlayer = nil -- Store the selected player's name

-- Check if the player detector supports coordinate retrieval
local hasGetPlayerCoords = playerDetector and playerDetector.getPlayerPos ~= nil
if not hasGetPlayerCoords then
    print("Error: Player detector does not support coordinate retrieval!")
end

-- Helper function to update the monitor
local function updateMonitor(players)
    monitor.clear()
    playerDisplay = {} -- Reset playerDisplay table

    if #players > 0 then
        monitor.setCursorPos(1, 1)
        monitor.setTextColor(colors.cyan)
        monitor.write("Players Nearby:")

        for i, player in ipairs(players) do
            local x = 2
            local y = i + 2
            playerDisplay[i] = { name = player, posX = x, posY = y }
            monitor.setCursorPos(x, y)
            if player == selectedPlayer then
                monitor.setTextColor(colors.green) -- Highlight selected player
            else
                monitor.setTextColor(colors.white)
            end
            monitor.write(player)
        end
    else
        monitor.setCursorPos(1, math.floor(height / 2))
        monitor.setTextColor(colors.red)
        monitor.write("No Players Detected")
    end
end

-- Helper function to display player coordinates
local function displayPlayerCoords(playerName)
    if not hasGetPlayerCoords then
        monitor.setCursorPos(1, height - 4)
        monitor.setTextColor(colors.red)
        monitor.write("Coordinates unavailable.")
        return
    end

    local coords = playerDetector.getPlayerPos(playerName)
    if not coords then
        monitor.setCursorPos(1, height - 4)
        monitor.setTextColor(colors.red)
        monitor.write("Coordinates unavailable.")
        return
    end

    -- Clear only the coordinate section
    monitor.setBackgroundColor(colors.black)
    for i = height - 5, height - 2 do
        monitor.setCursorPos(1, i)
        monitor.write(string.rep(" ", width))
    end

    monitor.setCursorPos(1, height - 5)
    monitor.setTextColor(colors.yellow)
    monitor.write("Player: " .. playerName)
    monitor.setCursorPos(1, height - 4)
    monitor.write("X: " .. coords.x)
    monitor.setCursorPos(1, height - 3)
    monitor.write("Y: " .. coords.y)
    monitor.setCursorPos(1, height - 2)
    monitor.write("Z: " .. coords.z)
end

-- Main loop
while true do
    -- Check player detector
    local players = playerDetector.getPlayersInRange(1000000000000) -- "Infinite" range
    updateMonitor(players)

    -- Wait for a monitor touch event
    local event, side, x, y = os.pullEvent("monitor_touch")

    -- Check if a player name was clicked
    for _, player in pairs(playerDisplay) do
        if x >= player.posX and x <= player.posX + #player.name and y == player.posY then
            selectedPlayer = player.name -- Update selected player
            displayPlayerCoords(selectedPlayer)
            break
        end
    end
end