Module:D'ni Time

Documentation for this module may be created at Module:D'ni Time/doc

-- THIS IS OBVIOUSLY NOT DONE! DO NOT TOUCH! -Vee

dnitools = require("Module:D'ni Tools")
dnifunc = require("Module:D'ni Time/dni")
surfacefunc = require("Module:D'ni Time/surface")

Date = require('Module:Date')._Date

local p = {}

local args = {}
local origArgs
local root

-- Declare important constants
local refDniHahr = 9647
local msPerHahr = 31556925216
local prorahnteePerHahr = 10 * 29 * 5 * 25 * 25 * 25
local msPerProrahn = msPerHahr / prorahnteePerHahr
local refProrahnteePerHahr = 9647 * 290 * 5 * 25 * 25 * 25

local leapSecTimeStamps = {2272060800, 2287785600, 2303683200, 2335219200, 2366755200, 2398291200, 2429913600, 2461449600, 2492985600, 2524521600, 2571782400, 2603318400, 2634854400, 2698012800, 2776982400, 2840140800, 2871676800, 2918937600, 2950473600, 2982009600, 3029443200, 3076704000, 3124137600, 3345062400, 3439756800, 3550089600, 3644697600, 3692217600}
local LeapSecOffset = 10

local function ConvertLeapSecTimeStamps()
-- convert LeapSecTimeStamps from NTP epoch (number of seconds since 1900-01-01 00:00:00)
-- to Unix standard (number of milliseconds since 1970-01-01 00:00:00)

   delta = os.time({year=1900, month=1, day=1, hour=0, min=0})
   for key,value in pairs(leapSecTimeStamps) do
      leapSecTimeStamps[key] = value + delta
   end
end

local function AdjustForLeapSeconds(timestamp)
-- Adjust timestamp for leap seconds
   leapsecs = 0
   for key,value in pairs(leapSecTimeStamps) do
      if timestamp >= value then
         leapsecs = leapsecs + 1
      end
   end
   if leapsecs > 0 then
      leapsecs = leapsecs + (LeapSecOffset - 1)
   end 
   return timestamp + leapsecs
end

local function DejustForLeapSeconds(timestamp)
-- Adjust timestamp for leap seconds the other way
   leapsecs = 0
   for key,value in pairs(leapSecTimeStamps) do
      if timestamp >= value then
         leapsecs = leapsecs + 1
      end
   end
   if leapsecs > 0 then
      leapsecs = leapsecs + (LeapSecOffset - 1)
   end 
   return timestamp - leapsecs
end

local function makeSurfaceTimeStamp(timeStampTable)
-- convert a UTC date-time to a adjusted timestamp
   temp = os.time(timeStampTable)
   return AdjustForLeapSeconds(temp)
end

-- Run conversion of leapseconds and conversion of reference Timestamp here,
-- since these require the above functions to be already declared

ConvertLeapSecTimeStamps()
local refTimeStamp = makeSurfaceTimeStamp({year=1991, month=4, day=21, hour=16, min=54})

local function adjust(dniTime)
-- Ensure DniTime values are within bounds
        while (dniTime['prorahn'] > 25) do
            dniTime['prorahn'] = dniTime['prorahn'] - 25
            dniTime['gorahn'] = dniTime['gorahn'] + 1
        end

        while (dniTime['prorahn'] < 0) do
            dniTime['prorahn'] = dniTime['prorahn'] + 25
            dniTime['gorahn'] = dniTime['gorahn'] - 1
        end

        while (dniTime['gorahn'] > 25) do
            dniTime['gorahn'] = dniTime['gorahn'] - 25;
            dniTime['tahvo'] = dniTime['tahvo'] + 1;
        end

        while (dniTime['gorahn'] < 0) do
            dniTime['gorahn'] = dniTime['gorahn'] + 25
            dniTime['tahvo'] = dniTime['tahvo'] - 1
        end

        while (dniTime['tahvo'] > 25) do
            dniTime['tahvo'] = dniTime['tahvo'] - 25
            dniTime['gahrtahvo'] = dniTime['gahrtahvo'] + 1
        end

        while (dniTime['tahvo'] < 0) do
            dniTime['tahvo'] = dniTime['tahvo'] + 25
            dniTime['gahrtahvo'] = dniTime['gahrtahvo'] - 1
        end

        while (dniTime['gahrtahvo'] > 5) do
            dniTime['gahrtahvo'] = dniTime['gahrtahvo'] - 5
            dniTime['yahr'] = dniTime['yahr'] + 1
        end

        while (dniTime['gahrtahvo'] < 0) do
            dniTime['gahrtahvo'] = dniTime['gahrtahvo'] + 5
            dniTime['yahr'] = dniTime['yahr'] - 1
        end

        while (dniTime['yahr'] > 29) do
            dniTime['yahr'] = dniTime['yahr'] - 29
            dniTime['vailee'] = dniTime['vailee'] + 1
        end

        while (dniTime['yahr'] < 0) do
            dniTime['yahr'] = dniTime['yahr'] + 29
            dniTime['vailee'] = dniTime['vailee'] - 1
        end

        while (dniTime['vailee'] > 9) do
            dniTime['vailee'] = dniTime['vailee'] - 10
            dniTime['hahr'] = dniTime['hahr'] + 1;
        end

        while (dniTime['vailee'] < 0) do
            dniTime['vailee'] = dniTime['vailee'] + 10
            dniTime['hahr'] = dniTime['hahr'] - 1
        end

        return dniTime
end


local function surface2DniTime(surfaceTimeStamp)
-- Given a surfaceTimestamp
-- Return a DniTime (table)
   surface = surface or refTimeStamp

   dniTime = {}

   delta = (surfaceTimeStamp - refTimeStamp) * 1000

   dniTime['hahr'] = math.floor(delta / msPerHahr)

   delta = delta - (dniTime['hahr'] * msPerHahr)

   delta = delta * (prorahnteePerHahr / msPerHahr)

   dniTime['vailee'] = math.floor(delta / (29 * 5 * 25 * 25 * 25))
   delta = delta - (dniTime['vailee'] * (29 * 5 * 25 * 25 * 25))

   dniTime['yahr'] = math.floor(delta / (5 * 25 * 25 * 25))
   delta = delta - (dniTime['yahr'] * (5 * 25 * 25 * 25))

   dniTime['gahrtahvo'] = math.floor(delta / (25 * 25 * 25))
   delta = delta - (dniTime['gahrtahvo'] * (25 * 25 * 25))

   dniTime['tahvo'] = math.floor(delta / (25 * 25))
   delta = delta - (dniTime['tahvo'] * (25 * 25))

   dniTime['gorahn'] = math.floor(delta / 25)
   delta = delta - (dniTime['gorahn'] * 25)

   dniTime['prorahn'] = math.floor(delta)

   dniTime['hahr'] = dniTime['hahr'] + refDniHahr
   dniTime['yahr'] = dniTime['yahr'] + 1

   --return adjust(dniTime)
   return dniTime
end

local function dni2SurfaceTime(dniTime)
-- Given a DniTime (table)
-- Return a surfacteTimestamp
   dniTime = dniTime or {hahr = refDniHahr, vailee = 0, yahr = 1, gahrtahvo = 0, tahvo = 0, gorahn = 0, prorahn = 0}

   dniTime = adjust(dniTime)

   dTimeInProrahntee = dniTime['prorahn'] + (dniTime['gorahn'] * 25) + (dniTime['tahvo'] * 25 * 25) + (dniTime['gahrtahvo'] * 25 * 25 * 25) + ((dniTime['yahr'] - 1) * 5 * 25 * 25 * 25) + ((dniTime['vailee']) * 29 * 5 * 25 * 25 * 25) + (dniTime['hahr'] * 290 * 5 * 25 * 25 * 25)

   dTimeDelta = refProrahnteePerHahr - dTimeInProrahntee 
   
   dTimeDelta = dTimeDelta * msPerProrahn

   dTimeDelta = (refTimeStamp * 1000) - dTimeDelta

   surfaceTimestamp = DejustForLeapSeconds(dTimeDelta/1000)

   return os.date("*t",surfaceTimestamp)
end

-- =============================================================================

local function preprocessSingleArg(argName)
    -- If the argument exists and isn't blank, add it to the argument table.
    -- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
    if origArgs[argName] and origArgs[argName] ~= '' then
        args[argName] = origArgs[argName]
    end
end

function p.surface2dni(frame)
    -- If called via #invoke, use the args passed into the invoking template.
    -- Otherwise, for testing purposes, assume args are being passed directly in.
    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
    else
        origArgs = frame
    end

    output = ""
    
    preprocessSingleArg('datetime')
    preprocessSingleArg('format')
    preprocessSingleArg('input')
    
    if args['datetime'] then
       surfaceTime = surfacefunc.parseSurfaceDateStr(args['datetime'],args['input'])
       output = dnifunc.formatDniTime(surface2DniTime(makeSurfaceTimeStamp(surfaceTime)),args['format'])
    else 
       preprocessSingleArg('year')
       preprocessSingleArg('month')  
       preprocessSingleArg('day') 
       preprocessSingleArg('hour') 
       preprocessSingleArg('minute') 
       preprocessSingleArg('second') 

       -- Parse the data parameters
       surface = {year = args['year'], month = args['month'] or 1, day = args['day'] or 1, hour = args['hour'] or 0, min = args['minute'] or 0, sec = args['second'] or 0}

---      output =  dnifunc.displayDniTime(surface2DniTime(makeSurfaceTimeStamp(surface)),args['format'])
      output = dnifunc.formatDniTime(surface2DniTime(makeSurfaceTimeStamp(surface)),args['format'])
     end
     return output
end

function p.dni2surface(frame)
    -- If called via #invoke, use the args passed into the invoking template.
    -- Otherwise, for testing purposes, assume args are being passed directly in.
    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
    else
        origArgs = frame
    end

    preprocessSingleArg('datetime')
    preprocessSingleArg('format')
    preprocessSingleArg('input')

    if args['datetime'] then
       output = surfacefunc.formatSurfaceTime(dni2SurfaceTime(dnifunc.parseDniDateStr(args['datetime'],args['input'])),args['format'])
    else 
      preprocessSingleArg('hahr')
      preprocessSingleArg('vailee')  
      preprocessSingleArg('yahr') 
      preprocessSingleArg('gahrtahvo') 
      preprocessSingleArg('tahvo') 
      preprocessSingleArg('gorahn')
      preprocessSingleArg('prorahn') 

      -- Parse the data parameters
      dni = {hahr = tonumber(args['hahr']), vailee = tonumber(args['vailee']), yahr = tonumber(args['yahr']), gahrtahvo = tonumber(args['gahrtahvo']), tahvo = tonumber(args['tahvo']), gorahn = tonumber(args['gorahn']), prorahn = tonumber(args['prorahn'])}

--      output = surfacefunc.displaySurfaceTime(dni2SurfaceTime(dni),args['format'])
      output = surfacefunc.formatSurfaceTime(dni2SurfaceTime(dni),args['format'])
    end
    
    return output

end

function p.test(frame)
    -- If called via #invoke, use the args passed into the invoking template.
    -- Otherwise, for testing purposes, assume args are being passed directly in.
    if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
    else
        origArgs = frame
    end
    
    -- Parse the data parameters
    
    lang = mw.getContentLanguage()

    surface = {year = -7658, month = 5, day = 31, hour = 6, min = 56, sec = 58, isdst = true}
    dni = {hahr = -1, vailee = 1, yahr = 1, gahrtahvo = 1, tahvo = 1, gorahn = 1, prorahn = 1}

    output = ""
    output = output .. "<br/>"..surfacefunc.displaySurfaceTime(surface)
--    output = output .. "<br/>"..dnifunc.displayDniTime(surface2DniTime(makeSurfaceTimeStamp(surface)))
--    output = output .. "<br/>"..dnifunc.formatDniTime(surface2DniTime(makeSurfaceTimeStamp(surface)))
    output = output .. "<br/>"..dnifunc.displayDniTime(dni)
    output = output .. "<br/>"..surfacefunc.displaySurfaceTime(dni2SurfaceTime(dni))
    output = output .. "<br/>"..os.date("ghdd",makeSurfaceTimeStamp(surface))
--    output = output .. "<br/>"..surfacefunc.formatSurfaceTime(surface,args['format'])
--    output = output .. "<br/>"..makeSurfaceTimeStamp(surface)
--    output = output .. "<br/>"..lang:formatDate("c","@"..makeSurfaceTimeStamp(surface))


    return output
end

return p