Minecraft Computer Craft View Visitor Log

--[[
    Pair with https://pastebin.com/ga0KRZ4f to view the logs
    You will need a 6 wide monitor

    Simple startup file

    if not peripheral.find("playerDetector") then
        term.setCursorPos(1, 1)
        term.write("No player detector found")
        return
    end

    if not peripheral.find("monitor") then
        term.setCursorPos(1, 1)
        term.write("No monitor found to display logs")
        return
    end

    shell.openTab("lookUp.lua")
    shell.openTab("visitorLog.lua")
]]
Monitor = peripheral.find("monitor")
term.clear()

function EnterInput()
    term.setCursorPos(1, 1)
    term.clearLine()
    term.write("'list' to list logged names")
    term.setCursorPos(1, 2)
    term.clearLine()
    term.write("<playerName> to display logs of player")
    term.setCursorPos(1, 3)
    term.clearLine()
    term.write("Input: ")
    return read()
end

function GetLogs()
    local visitorFile = fs.open("visitorLog.txt", "r")
    local log = visitorFile.readAll()
    visitorFile.close()
    return textutils.unserialize(log)
end

local function formatSeconds(seconds, noDays)
    local days = math.floor(seconds/86400)
    local hours = math.floor(math.mod(seconds, 86400)/3600)
    local minutes = math.floor(math.mod(seconds,3600)/60)
    local seconds = math.floor(math.mod(seconds,60))
    if noDays then
        return string.format("%02d:%02d:%02d",hours,minutes,seconds)
    else
        return string.format("%d:%02d:%02d:%02d",days,hours,minutes,seconds)
    end
end

function DisplayLogs(lookUpName)
    Monitor.clear()
    Monitor.setCursorPos(1, 1)
    Monitor.setTextColor(colors.white)
    Monitor.write("Logs for ")
    Monitor.setCursorPos(10, 1)
    Monitor.setTextColor(colors.blue)
    Monitor.write(lookUpName)
    Monitor.setCursorPos(10+#lookUpName, 1)
    Monitor.setTextColor(colors.white)
    Monitor.write(" | ")
    Monitor.setCursorPos(10+#lookUpName+3, 1)
    Monitor.setTextColor(colors.orange)
    Monitor.write(formatSeconds(GetPlayerTotalTime(lookUpName)))
    local visitorLogs = GetLogs()
    if not visitorLogs[lookUpName] then
        Monitor.setCursorPos(1, 2)
        Monitor.write("No logs found")
        return
    end

    local playersLogs = visitorLogs[lookUpName]
    for i,v in ipairs(Reverse(playersLogs)) do
        Monitor.setCursorPos(1, i+1)
        Monitor.setTextColor(colors.green)
        Monitor.write(v[1])

        Monitor.setCursorPos(24, i+1)
        Monitor.setTextColor(colors.white)
        Monitor.write(" | ")

        Monitor.setCursorPos(27, i+1)
        Monitor.setTextColor(colors.red)
        Monitor.write((v[2] or "?"))

        Monitor.setCursorPos(51, i+1)
        Monitor.setTextColor(colors.orange)
        Monitor.write(formatSeconds(v[3] or 0))
    end

end

function GetPlayerTotalTime(playerName)
    local playersLogs = GetLogs()[playerName]
    if not playersLogs then
        return 0
    end
    local totalTime = 0
    for i,v in ipairs(playersLogs) do
        if v[2] then
            totalTime = totalTime + v[3]
        end
    end
    return totalTime
end

function ListPlayers()
    local logs = GetLogs()
    term.setCursorPos(1, 5)
    term.clearLine()
    term.write("There are logs for...")
    local count = 0
    for i,v in pairs(logs) do
        term.setCursorPos(1, 6+count)
        term.clearLine()
        term.setTextColor(colors.blue)
        term.write(i)
        term.setCursorPos(#i+1, 6+count)
        term.setTextColor(colors.white)
        term.write(" | ")
        term.setCursorPos(#i+4, 6+count)
        term.setTextColor(colors.orange)
        term.write(formatSeconds(GetPlayerTotalTime(i)))
        term.setTextColor(colors.white)
        count = count+1
    end
end

function Reverse(table)
    for i = 1, #table/2, 1 do
        table[i], table[#table-i+1] = table[#table-i+1], table[i]
    end
    return table
end

while true do
    local search = EnterInput()
    if search == "list" or search == "List" then
        ListPlayers()
    else
        DisplayLogs(search)
    end
end