#!/usr/bin/env ruby

# https://developer.valvesoftware.com/wiki/Bind

keys = {
  escape: {
    title: 'Escape',
    keycap: 'ESC',
  },
  tab: {
    title: 'Tabulator',
    keycap: '↹',
  },
  capslock: {
    title: 'Capslock',
    keycap: '⇪',
  },
  shift: {
    title: 'Shift',
    keycap: '⇧',
  },
  ctrl: {
    title: 'Control',
    keycap: 'CTL',
  },
  alt: {
    title: 'ALT',
    keycap: 'ALT',
  },
  space: {
    title: 'Space',
    keycap: 'SPACE',
  },
  backspace: {
    title: 'Backspace',
    keycap: '⇦',
  },
  enter: {
    title: 'Enter',
    keycap: '↵',
  },
  semicolon: {
    title: 'Semicolon',
    keycap: ';',
  },
  lwin: {
    title: 'Left Super',
    keycap: '⊞',
  },
  rwin: {
    title: 'Right Super',
    keycap: '⊞',
  },
  apps: {
    title: 'Menu',
    keycap: '≡',
  },
  numlock: {
    title: 'Numlock',
    keycap: 'NUM',
  },
  scrolllock: {
    title: 'Scrollock',
    keycap: 'SCR',
  },
  uparrow: {
    title: 'Arrow Up',
    keycap: '↑',
  },
  downarrow: {
    title: 'Arrow Down',
    keycap: '↓',
  },
  leftarrow: {
    title: 'Arrow Left',
    keycap: '←',
  },
  rightarrow: {
    title: 'Arrow Right',
    keycap: '→',
  },
  ins: {
    title: 'Insert',
    keycap: 'INS',
  },
  del: {
    title: 'Delete',
    keycap: '⇨',
  },
  pgdn: {
    title: 'Page Down',
    keycap: '⇣',
  },
  pgup: {
    title: 'Page Up',
    keycap: '⇡',
  },
  home: {
    title: 'Home',
    keycap: '⌂',
  },
  end: {
    title: 'End',
    keycap: '⇥',
  },
  pause: {
    title: 'Pause',
    keycap: '⏸',
  },
  kp_end: {
    title: 'Keypad 1 (End)',
    keycap: '1',
  },
  kp_downarrow: {
    title: 'Keypad 2 (Arrow Down)',
    keycap: '2',
  },
  kp_pgdn: {
    title: 'Keypad 3 (Page Down)',
    keycap: '3',
  },
  kp_leftarrow: {
    title: 'Keypad 4 (Arrow Left)',
    keycap: '4',
  },
  kp_5: {
    title: 'Keypad 5',
    keycap: '5',
  },
  kp_rightarrow: {
    title: 'Keypad 6 (Arrow Right)',
    keycap: '6',
  },
  kp_home: {
    title: 'Keypad 7 (Home)',
    keycap: '7',
  },
  kp_uparrow: {
    title: 'Keypad 8 (Arrow Up)',
    keycap: '8',
  },
  kp_pgup: {
    title: 'Keypad 9 (Page Up)',
    keycap: '9',
  },
  kp_enter: {
    title: 'Keypad Enter',
    keycap: '↵',
  },
  kp_ins: {
    title: 'Keypad 0',
    keycap: '0',
  },
  kp_del: {
    title: 'Keypad .',
    keycap: '.',
  },
  kp_slash: {
    title: 'Keypad /',
    keycap: '/',
  },
  kp_multiply: {
    title: 'Keypad *',
    keycap: '*',
  },
  kp_minus: {
    title: 'Keypad -',
    keycap: '-',
  },
  kp_plus: {
    title: 'Keypad +',
    keycap: '+',
  },
  mwheeldown: {
    title: 'Mousewheel Down',
    keycap: '⇟',
  },
  mwheelup: {
    title: 'Mousewheel Up',
    keycap: '⇞',
  },
  mouse1: {
    title: 'Mouse 1',
    keycap: '🖱️1',
  },
  mouse2: {
    title: 'Mouse 2',
    keycap: '🖱️2',
  },
  mouse3: {
    title: 'Mouse 3',
    keycap: '🖱️3',
  },
  mouse4: {
    title: 'Mouse 4',
    keycap: '🖱️4',
  },
  mouse5: {
    title: 'Mouse 5',
    keycap: '🖱️5',
  },
}
%(0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜß,.+-*/#^´).each_char do |char|
  keys[char.to_sym] = {
    title: char,
    'keymap': char,
  }
end
(1..12).each do |num|
  keys[:"F#{num}"] = {
    title: "Function #{num}",
    'keymap': "F#{num}",
  }
end

keycaps = {
  'h1': {
    width: 1,
    points: '-0.44,-0.44 0.44,-0.44 0.44,0.44 -0.44,0.44',
  },
  'h1.25': {
    width: 1.25,
    points: '-0.565,-0.44 0.565,-0.44 0.565,0.44 -0.565,0.44',
  },
  'h1.5': {
    width: 1.5,
    points: '-0.69,-0.44 0.69,-0.44 0.69,0.44 -0.69,0.44',
  },
  'h1.75': {
    width: 1.75,
    points: '-0.815,-0.44 0.815,-0.44 0.815,0.44 -0.815,0.44',
  },
  'h2': {
    width: 2,
    points: '-0.94,-0.44 0.94,-0.44 0.94,0.44 -0.94,0.44',
  },
  'h2.5': {
    width: 2.5,
    points: '-1.19,-0.44 1.19,-0.44 1.19,0.44 -1.19,0.44',
  },
  'h2.75': {
    width: 2.75,
    points: '-1.315,-0.44 1.315,-0.44 1.315,0.44 -1.315,0.44',
  },
  'h6.5': {
    width: 6.5,
    points: '-3.19,-0.44 3.19,-0.44 3.19,0.44 -3.19,0.44',
  },
  'v2': {
    width: 1,
    points: '-0.44,-0.44 0.44,-0.44 0.44,1.44 -0.44,1.44',
  },
  'enter_iso': {
    width: 1.5,
    points: '-0.69,-0.44 0.69,-0.44 0.69,1.44 -0.44,1.44 -0.44,0.44  -0.69,0.44',
  },
}

keyboard = {
  0    => 'ESC :1 F1 F2 F3 F4 :.5 F5 F6 F7 F8 :.5 F9 F10 F11 F12                       :.25 PNT ROL PAU',
  1.25 => '^ 1 2 3 4 5 6 7 8 9 0 ß ´ BACKSP:h2                                         :.25 INS HOM PUP :.25 NUM / * -',
  2.25 => 'TAB:h1.5 Q W E R T Z U I O P Ü + ENT:enter_iso                              :.25 DEL END PDN :.25   7 8 9 +:v2',
  3.25 => 'CAPS:h1.75 A S D F G H J K L Ö Ä # :1.25                                    :.25 :1  :1  :1  :.25   4 5 6',
  4.25 => 'SHIFT:h1.25 < Y X C V B N M , . - SHIFT:h2.75                               :.25 :1  ARU :1  :.25   1 2 3 ENT:v2',
  5.25 => 'CTL:h1.25 SUP:h1.25 ALT:h1.25 SPACE:h6.5 AGR:h1.25 SUP:h1.25 MENU CTL:h1.25 :.25 ARL ARD ARR :.25   0:h2 DEL'
}

keyboard_keys = []
total_h = 0
total_v = 0

keyboard.each do |row_v, row_text|
  row_h = 0
  row_text.split.each do |element|
    if element.start_with? ':'
      row_h += element[1..].to_f
    else
      key, keycap = element.split(':')
      keycap ||= :h1
      keyboard_keys.append({
        name: key,
        keycap: keycap,
        x: row_h + keycaps[keycap.to_sym][:width]/2.0,
        y: 0.5 + row_v,
      })
      row_h += keycaps[keycap.to_sym][:width]
    end
  end
  total_h = [total_h, row_h].max
  total_v = [total_v, row_v].max
end

require "erb"
html = ERB.new(File.read(File.join(__dir__, 'keyboard.erb'))).result_with_hash({keys: keyboard_keys, total_h: total_h, total_v: total_v+1})
File.write(File.join(__dir__, 'keyboard.html'), html)