displayHour

if not fs.exists("json") then
    shell.run("pastebin get 4nRg9CHU json")
end
os.loadAPI("json")


--- UTILS ----
local function split(inputstr, sep)
    if sep == nil then sep = "%s" end
    local t={}
    for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
            table.insert(t, str)
    end
    return t
end

local function writeCenter(str, width, y)
    local x =  (width - string.len(str) + 1) / 2
    term.setCursorPos(x, y)
    term.write(str)
end

--- FUNCTIONS ---
local function getDatetime()
    local request = http.get("http://worldtimeapi.org/api/timezone/Europe/Paris.json")
    if request == nil then
        print("Not able to get datetime on the API.")
        return nil
    end
    local text = request.readAll()
    local jsonDatetime = json.decode(text)
    local datetime = jsonDatetime.utc_datetime
    local offset = jsonDatetime.utc_offset
    local dayOfWeek = jsonDatetime.day_of_week

    local days = {
        [0] = "dimanche",
        [1] = "lundi",
        [2] = "mardi",
        [3] = "jeudi",
        [4] = "vendredi",
        [5] = "samedi",
        [6] = "dimanche"
    }

    local infos = {}
    infos["dayOfWeek"] = days[dayOfWeek]
    local date = split(split(datetime, "T")[1], "-")
    infos["year"] = date[1]
    infos["month"] = date[2]
    infos["day"] = date[3]
    local time = split(split(datetime, "T")[2], ":")
    local offset = split(split(offset, ":")[1], "+")[1]
    infos["hour"] = (tonumber(time[1]) + tonumber(offset)) % 24
    infos["min"] = time[2]
    infos["sec"] = split(time[3], ".")[1]

    return infos
end

local function main()
    local mon = peripheral.find("monitor")
    if mon then
        term.redirect(mon)
        mon.setTextScale(2)
    end
    local w,h = term.getSize()

    local infos
    while true do
        infos = getDatetime()
        if infos then
            term.clear()
            term.setTextColor(colors.blue)
            writeCenter(string.upper(infos["dayOfWeek"]), w, 1)
            writeCenter(infos["day"] .. "/" .. infos["month"] .. "/" .. infos["day"], w, 3)
            writeCenter(infos["hour"] .. ":" .. infos["min"] .. ":" .. infos["sec"], w, 5)

            if infos["dayOfWeek"] == "dimanche" and infos["hour"] == "23" then
                term.setTextColor(colors.red)
                writeCenter("RESET", w, 2)
                writeCenter("BIENTOT", w, 4)
            end
        end
        sleep(1)
    end
end

main()