(ns NaiveDateTime
  "Elixir NaiveDateTime module — datetime without timezone.

   In CljElixir: (NaiveDateTime/utc-now), (NaiveDateTime/new 2024 3 9 12 0 0), etc.
   'Naive' because it has no timezone information.")

(defn utc-now
  "Returns the current UTC naive datetime.
   (NaiveDateTime/utc-now) ;=> ~N[2024-03-09 12:00:00]"
  ([])
  ([calendar]))

(defn local-now
  "Returns the current local naive datetime."
  ([])
  ([calendar]))

(defn new
  "Creates a new NaiveDateTime.
   (NaiveDateTime/new 2024 3 9 12 0 0) ;=> {:ok ~N[2024-03-09 12:00:00]}"
  ([year month day hour minute second])
  ([year month day hour minute second microsecond])
  ([date time]))

(defn new!
  "Creates a new NaiveDateTime. Raises on error."
  ([year month day hour minute second])
  ([year month day hour minute second microsecond])
  ([date time]))

(defn from-iso8601
  "Parses ISO 8601 string.
   (NaiveDateTime/from-iso8601 \"2024-03-09T12:00:00\") ;=> {:ok naive}"
  ([string])
  ([string calendar]))

(defn from-iso8601!
  "Parses ISO 8601. Raises on error."
  ([string])
  ([string calendar]))

(defn to-iso8601
  "Converts to ISO 8601 string.
   (NaiveDateTime/to-iso8601 ndt) ;=> \"2024-03-09T12:00:00\""
  ([naive-datetime])
  ([naive-datetime format]))

(defn to-string
  "Converts to string."
  [naive-datetime])

(defn to-date
  "Extracts the Date part."
  [naive-datetime])

(defn to-time
  "Extracts the Time part."
  [naive-datetime])

(defn add
  "Adds time.
   (NaiveDateTime/add ndt 3600) ;=> +1 hour"
  ([naive-datetime amount])
  ([naive-datetime amount unit]))

(defn diff
  "Returns difference.
   (NaiveDateTime/diff ndt1 ndt2) ;=> seconds"
  ([naive-datetime1 naive-datetime2])
  ([naive-datetime1 naive-datetime2 unit]))

(defn truncate
  "Truncates to precision."
  [naive-datetime precision])

(defn compare
  "Compares two NaiveDateTimes. Returns :lt, :eq, or :gt."
  [naive-datetime1 naive-datetime2])

(defn before?
  "Returns true if first is before second."
  [naive-datetime1 naive-datetime2])

(defn after?
  "Returns true if first is after second."
  [naive-datetime1 naive-datetime2])

(defn shift
  "Shifts by a duration."
  [naive-datetime duration])

(defn beginning-of-day
  "Returns midnight of the same day."
  [naive-datetime])

(defn end-of-day
  "Returns 23:59:59.999999 of the same day."
  [naive-datetime])

(defn from-erl
  "Converts from Erlang datetime tuple.
   (NaiveDateTime/from-erl {{2024 3 9} {12 0 0}}) ;=> {:ok naive}"
  ([tuple])
  ([tuple microsecond])
  ([tuple microsecond calendar]))

(defn from-erl!
  "Converts from Erlang tuple. Raises on error."
  ([tuple])
  ([tuple microsecond])
  ([tuple microsecond calendar]))

(defn to-erl
  "Converts to Erlang datetime tuple.
   (NaiveDateTime/to-erl ndt) ;=> {{2024 3 9} {12 0 0}}"
  [naive-datetime])

(defn from-gregorian-seconds
  "Creates from seconds since year 0."
  ([seconds])
  ([seconds microsecond])
  ([seconds microsecond calendar]))

(defn to-gregorian-seconds
  "Returns seconds since year 0."
  [naive-datetime])