# @name    Social-Handles
# @desc    Display YouTube, TikTok, Instagram and Twitch handles
# @version 5.0

# @config youtube_enabled bool "YouTube enabled" default=true
# @config youtube text "YouTube username" default="BR4ND-DJ" maxlen=32

# @config tiktok_enabled bool "TikTok enabled" default=true
# @config tiktok text "TikTok username" default="BR4ND_DJ" maxlen=32

# @config instagram_enabled bool "Instagram enabled" default=true
# @config instagram text "Instagram username" default="BR4ND_DJ" maxlen=32

# @config twitch_enabled bool "Twitch enabled" default=true
# @config twitch text "Twitch username" default="BR4ND_DJ" maxlen=32

# @config duration number "Total duration" default=8 min=1 max=30 unit=s
# @config scrollSpeed number "Scroll speed" default=100 min=10 max=300 step=10 unit=%

# @config background color "Background color" default=#000000


class SocialHandles

  var youtube_enabled
  var youtube

  var tiktok_enabled
  var tiktok

  var instagram_enabled
  var instagram

  var twitch_enabled
  var twitch

  var duration
  var scrollSpeed
  var background

  var current
  var nextChange
  var handleDuration

  var scrollPos
  var lastScroll


  def init()

    self.youtube_enabled = store.get("youtube_enabled")
    self.youtube = store.get("youtube")

    self.tiktok_enabled = store.get("tiktok_enabled")
    self.tiktok = store.get("tiktok")

    self.instagram_enabled = store.get("instagram_enabled")
    self.instagram = store.get("instagram")

    self.twitch_enabled = store.get("twitch_enabled")
    self.twitch = store.get("twitch")

    self.duration = store.get("duration")
    self.scrollSpeed = store.get("scrollSpeed")
    self.background = store.get("background")

    # Calculate how many handles are enabled.
    var enabledCount = 0

    if self.youtube_enabled
      enabledCount += 1
    end

    if self.tiktok_enabled
      enabledCount += 1
    end

    if self.instagram_enabled
      enabledCount += 1
    end

    if self.twitch_enabled
      enabledCount += 1
    end

    # Divide the total duration equally over all
    # enabled handles.

    if enabledCount > 0
      self.handleDuration = self.duration / enabledCount
    else
      self.handleDuration = self.duration
    end

    self.current = -1

    self.scrollPos = width() - 9
    self.lastScroll = now_ms()

    self.nextEnabled()

    self.nextChange = now_ms() + self.handleDuration * 1000

  end


  # =========================================================
  # NEXT ENABLED PLATFORM
  # =========================================================

  def nextEnabled()

    var tries = 0

    while tries < 4

      self.current += 1

      if self.current > 3
        self.current = 0
      end

      if self.current == 0 && self.youtube_enabled

        self.resetScroll()
        return

      end

      if self.current == 1 && self.tiktok_enabled

        self.resetScroll()
        return

      end

      if self.current == 2 && self.instagram_enabled

        self.resetScroll()
        return

      end

      if self.current == 3 && self.twitch_enabled

        self.resetScroll()
        return

      end

      tries += 1

    end

  end


  # =========================================================
  # RESET SCROLL
  # =========================================================

  def resetScroll()

    self.scrollPos = width() - 9
    self.lastScroll = now_ms()

  end


  # =========================================================
  # MAIN DRAW
  # =========================================================

  def draw()

    clear(self.background)

    if now_ms() >= self.nextChange

      self.nextEnabled()

      self.nextChange = now_ms() + self.handleDuration * 1000

    end


    if self.current == 0 && self.youtube_enabled

      self.drawYoutube()

    elif self.current == 1 && self.tiktok_enabled

      self.drawTiktok()

    elif self.current == 2 && self.instagram_enabled

      self.drawInstagram()

    elif self.current == 3 && self.twitch_enabled

      self.drawTwitch()

    end

  end


  # =========================================================
  # YOUTUBE
  # =========================================================

  def drawYoutube()

    self.logoYoutube()

    self.drawGradientText(
      self.youtube,
      0xFF0000,
      0xFF6666
    )

    # Restore complete logo area.

    rect_fill(
      0,
      0,
      8,
      7,
      self.background
    )

    self.logoYoutube()

    # Pixel 8 is always empty.

    self.clearGap()

  end


  def logoYoutube()

    rect_fill(
      0,
      1,
      8,
      6,
      0xFF0000
    )

    line(
      1,
      0,
      6,
      0,
      0xFF0000
    )

    line(
      1,
      7,
      6,
      7,
      0xFF0000
    )

    line(
      3,
      2,
      3,
      6,
      0xFFFFFF
    )

    line(
      4,
      3,
      4,
      5,
      0xFFFFFF
    )

    pixel(
      5,
      4,
      0xFFFFFF
    )

  end


  # =========================================================
  # TIKTOK
  # =========================================================

  def drawTiktok()

    self.drawGradientText(
      self.tiktok,
      0x08CFF8,
      0xFE2C55
    )

    # Completely clear logo + gap.

    rect_fill(
      0,
      0,
      8,
      7,
      self.background
    )

    # Redraw TikTok logo.

    self.logoTiktok()

    # Pixel 8 is always empty.

    self.clearGap()

  end


  def logoTiktok()

    self.drawTikRow(0, 0x0070)
    self.drawTikRow(1, 0x006C)
    self.drawTikRow(2, 0x006B)
    self.drawTikRow(3, 0x0470)
    self.drawTikRow(4, 0x1870)
    self.drawTikRow(5, 0x1870)
    self.drawTikRow(6, 0x1AB0)
    self.drawTikRow(7, 0x06C0)

  end


  def drawTikRow(y, row)

    var c

    for x : 0 .. 7

      c = (row >> (14 - 2 * x)) & 3

      if c == 1

        pixel(
          x,
          y,
          0x08CFF8
        )

      elif c == 2

        pixel(
          x,
          y,
          0xFFFFFF
        )

      elif c == 3

        pixel(
          x,
          y,
          0xFE2C55
        )

      end

    end

  end


  # =========================================================
  # INSTAGRAM
  # =========================================================

  def drawInstagram()

    self.logoInstagram()

    self.drawGradientText(
      self.instagram,
      0x833AB4,
      0xFCAF45
    )

    # Restore complete logo area.

    rect_fill(
      0,
      0,
      8,
      7,
      self.background
    )

    self.logoInstagram()

    # Pixel 8 is always empty.

    self.clearGap()

  end


  def logoInstagram()

    var px = [
      0x605D5B5B,
      0x64666462,
      0x7F7F7F60,
      0x667F7F7F,
      0x62607F63,
      0x6B7F7F64,
      0x7F6A7F6A,
      0x707F707F,
      0x7F707F70,
      0x737F737F,
      0x090D7F77,
      0x777F0305,
      0x7F7F7F0C,
      0x037F7F7F,
      0x0D111415,
      0x76010509
    ]

    for y : 0 .. 7

      for x : 0 .. 7

        var i = y * 8 + x

        var v = (
          px[i / 4] >>
          ((i % 4) * 8)
        ) & 255

        pixel(
          x,
          y,
          v == 127 ? 0xFFFFFF : hsv(v * 3, 100, 100)
        )

      end

    end

  end


  # =========================================================
  # TWITCH
  # =========================================================

  def drawTwitch()

    self.drawSolidText(
      self.twitch,
      0x9146FF
    )

    # Completely clear logo + gap.

    rect_fill(
      0,
      0,
      8,
      7,
      self.background
    )

    self.logoTwitch()

    # Pixel 8 is always empty.

    self.clearGap()

  end


  def logoTwitch()

    var px = [
      0x000000,
      0x9146FF,
      0x9146FF,
      0x9146FF,
      0x9146FF,
      0x9146FF,
      0x9146FF,
      0x9146FF,

      0x9146FF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0x9146FF,

      0x9146FF,
      0xFFFFFF,
      0xFFFFFF,
      0x9146FF,
      0xFFFFFF,
      0x9146FF,
      0xFFFFFF,
      0x9146FF,

      0x9146FF,
      0xFFFFFF,
      0xFFFFFF,
      0x9146FF,
      0xFFFFFF,
      0x9146FF,
      0xFFFFFF,
      0x9146FF,

      0x9146FF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0xFFFFFF,
      0x9146FF,

      0x9146FF,
      0x9146FF,
      0x9146FF,
      0xFFFFFF,
      0xFFFFFF,
      0x9146FF,
      0x9146FF,
      0x9146FF,

      0x000000,
      0x000000,
      0x9146FF,
      0xFFFFFF,
      0x9146FF,
      0x000000,
      0x000000,
      0x000000,

      0x000000,
      0x000000,
      0x9146FF,
      0x9146FF,
      0x000000,
      0x000000,
      0x000000,
      0x000000
    ]

    for y : 0 .. 7

      for x : 0 .. 7

        var i = y * 8 + x

        if px[i] != 0

          pixel(
            x,
            y,
            px[i]
          )

        end

      end

    end

  end


  # =========================================================
  # EMPTY GAP
  #
  # Pixel 8 is reserved as the empty separator.
  # =========================================================

  def clearGap()

    for y : 0 .. 7

      pixel(
        8,
        y,
        self.background
      )

    end

  end


  # =========================================================
  # GRADIENT TEXT
  #
  # Logo: x 0..7
  # Gap:  x 8
  # Text: x 9..31
  #
  # Short text:
  #   centered with gradient.
  #
  # Long text:
  #   gradient while scrolling.
  # =========================================================

  def drawGradientText(name, c1, c2)

    var avail = width() - 9
    var w = text_ink_width(name)

    # Text fits: center it like the original counters.

    if w <= avail

      ramp_text(
        9 + (avail - w) / 2,
        6,
        name,
        [c1, c2]
      )

      return

    end


    # Update scroll position.

    var now = now_ms()

    if now - self.lastScroll >= 20

      self.scrollPos -= self.scrollSpeed / 100.0

      self.lastScroll = now

    end


    # Let the complete text disappear.

    if self.scrollPos < -w - 8

      self.scrollPos = avail

    end


    # Draw gradient scrolling text.

    ramp_text(
      9 + self.scrollPos,
      6,
      name,
      [c1, c2]
    )

  end


  # =========================================================
  # TWITCH TEXT
  # =========================================================

  def drawSolidText(name, color)

    var avail = width() - 9
    var w = text_ink_width(name)

    # Text fits: center it.

    if w <= avail

      text(
        9 + (avail - w) / 2,
        6,
        name,
        color
      )

      return

    end


    var now = now_ms()

    if now - self.lastScroll >= 20

      self.scrollPos -= self.scrollSpeed / 100.0

      self.lastScroll = now

    end


    if self.scrollPos < -w - 8

      self.scrollPos = avail

    end


    text(
      9 + self.scrollPos,
      6,
      name,
      color
    )

  end

end


return SocialHandles()