# @name Clock_S
# @desc Small centered clock HH:MM or HH:MM:SS with 12/24h format, day/night mode, brightness and rotation control
# @author Avemer
# @version 1.3

# @config hour_format select "Hour format" default=24 options=24,12
# @config show_seconds bool "Show seconds" default=true
# @config blink_colon bool "Blink colon" default=true

# @config clock_color color "Day clock color" default=#FFFFFF
# @config day_brightness slider "Day brightness" default=127 min=1 max=255
# @config day_auto_brightness bool "Day auto brightness" default=false

# @config night_mode bool "Night mode" default=true
# @config night_start text "Night start" default="23:00" maxlen=5
# @config night_end text "Night end" default="08:00" maxlen=5
# @config night_color color "Night clock color" default=#FF0000
# @config night_brightness slider "Night brightness" default=10 min=0 max=255
# @config night_auto_brightness bool "Night auto brightness" default=false
# @config night_rotation bool "Disable rotation at night" default=true


class Clock


# USER VARIABLES

var HOUR_FORMAT
var SHOW_SECONDS
var BLINK_COLON

var CLOCK_COLOR

var DAY_BRIGHTNESS
var DAY_AUTO_BRIGHTNESS

var NIGHT_MODE_ENABLED
var NIGHT_START
var NIGHT_END
var NIGHT_CLOCK_COLOR
var NIGHT_BRIGHTNESS
var NIGHT_AUTO_BRIGHTNESS
var NIGHT_ROTATION_ENABLED


# INTERNAL VARIABLES

var night_start_m
var night_end_m
var night_mode
var last_night_mode


# INITIALIZATION

def init()

# SELECT returns a string value.
# Keep it as string: "12" or "24".
self.HOUR_FORMAT = str(
  store.get("hour_format")
)

# Boolean settings.
self.SHOW_SECONDS = store.get("show_seconds")
self.BLINK_COLON = store.get("blink_colon")

self.CLOCK_COLOR = store.get("clock_color")

self.DAY_BRIGHTNESS = store.get("day_brightness")
self.DAY_AUTO_BRIGHTNESS = store.get("day_auto_brightness")

self.NIGHT_MODE_ENABLED = store.get("night_mode")
self.NIGHT_START = store.get("night_start")
self.NIGHT_END = store.get("night_end")

self.NIGHT_CLOCK_COLOR = store.get("night_color")
self.NIGHT_BRIGHTNESS = store.get("night_brightness")
self.NIGHT_AUTO_BRIGHTNESS = store.get("night_auto_brightness")
self.NIGHT_ROTATION_ENABLED = store.get("night_rotation")


# Parse night mode times.

self.night_start_m = self.parse_min(
  self.NIGHT_START,
  23 * 60
)

self.night_end_m = self.parse_min(
  self.NIGHT_END,
  8 * 60
)


self.night_mode = false
self.last_night_mode = nil

end


# CONVERT HH:MM TO MINUTES

def parse_min(txt, dflt)

var m = re.search(
  "(\\d\\d?):(\\d\\d)",
  str(txt)
)

if m == nil
  return dflt
end

var v = num(m[1], 0) * 60 + num(m[2], 0)

if v >= 0 && v < 1440
  return v
end

return dflt

end


# UPDATE NIGHT MODE

def update_night_mode()

var night = false

var hr = num(hour(), -1)
var mi = num(minute(), -1)

if hr < 0 || mi < 0
  return
end


if self.NIGHT_MODE_ENABLED

  var now = hr * 60 + mi


  # Same start and end = disabled.

  if self.night_start_m == self.night_end_m

    night = false


  # Normal interval.

  elif self.night_start_m < self.night_end_m

    if now >= self.night_start_m &&
       now < self.night_end_m

      night = true

    end


  # Interval crosses midnight.

  else

    if now >= self.night_start_m ||
       now < self.night_end_m

      night = true

    end

  end

end


self.night_mode = night


# APPLY SETTINGS ONLY WHEN MODE CHANGES

if self.night_mode != self.last_night_mode

  self.last_night_mode = self.night_mode


  # NIGHT MODE

  if self.night_mode

    settings.set(
      "brightness",
      self.NIGHT_BRIGHTNESS
    )

    settings.set(
      "autoBrightness",
      self.NIGHT_AUTO_BRIGHTNESS
    )


    if self.NIGHT_ROTATION_ENABLED

      rotation.show()
      rotation.pause()

    end


  # DAY MODE

  else

    settings.set(
      "brightness",
      self.DAY_BRIGHTNESS
    )

    settings.set(
      "autoBrightness",
      self.DAY_AUTO_BRIGHTNESS
    )


    if self.NIGHT_ROTATION_ENABLED

      rotation.resume()

    end

  end

end


# Keep rotation disabled throughout night.

if self.night_mode

  if self.NIGHT_ROTATION_ENABLED

    rotation.pause()

  end

end

end


# MAIN LOOP

def loop()

self.update_night_mode()

end


# GET CURRENT CLOCK COLOR

def get_color()

var c = self.CLOCK_COLOR

if self.night_mode

  c = self.NIGHT_CLOCK_COLOR

end

return c

end


# DRAW CLOCK

def draw()

clear()


var h = num(hour(), 0)
var m = num(minute(), 0)
var s = num(second(), 0)


# 12 / 24 HOUR FORMAT
#
# IMPORTANT:
# hour_format from SELECT is handled as a STRING.
#
# "24" = 24-hour format
# "12" = 12-hour format

if self.HOUR_FORMAT == "12"

  h = h % 12

  if h == 0
    h = 12
  end

end


# FORMAT HOURS

var hh = str(h)

if h < 10

  hh = "0" + hh

end


# FORMAT MINUTES

var mm = str(m)

if m < 10

  mm = "0" + mm

end


# FORMAT SECONDS

var ss = str(s)

if s < 10

  ss = "0" + ss

end


# CREATE TIME STRING

var value = hh + ":" + mm


# ADD SECONDS

if self.SHOW_SECONDS

  value = value + ":" + ss

end


# BLINK COLON

if self.BLINK_COLON

  if s % 2 == 1

    value = hh + " " + mm

    if self.SHOW_SECONDS

      value = value + " " + ss

    end

  end

end


# CENTER TEXT

var color = self.get_color()

var w = text_ink_width(value)
var x = int((width() - w) / 2)

text(
  x,
  6,
  value,
  color
)

end


# BUTTON

def on_button(btn)
end


end


return Clock()