" Disable compatibility with vi which can cause unexpected issues.
set nocompatible

" Colour
colo desert

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","

" Enable type file detection. Vim will be able to try to detect the type of file in use.
filetype on

" Enable plugins and load plugin for the detected file type.
filetype plugin on

" Load an indent file for the detected file type.
filetype indent on

" Turn syntax highlighting on.
syntax on

" Add numbers to each line on the left-hand side.
set number

" Highlight cursor line underneath the cursor horizontally.
set cursorline

" Highlight cursor line underneath the cursor vertically.
" set cursorcolumn

" Set shift width to 4 spaces.
set shiftwidth=4

" Set tab width to 4 columns.
set tabstop=4

" Use space characters instead of tabs.
set expandtab

" Do not save backup files.
set nobackup

" Do not wrap lines. Allow long lines to extend as far as the line goes.
set nowrap

" While searching though a file incrementally highlight matching characters as you type.
set incsearch

" Ignore capital letters during search.
set ignorecase

" Override the ignorecase option if searching for capital letters.
" This will allow you to search specifically for capital letters.
set smartcase

" Show matching words during a search.
set showmatch

" Use highlighting when doing a search.
set hlsearch

" Set the commands to save in history default number is 20.
set history=1000

" Enable auto completion menu after pressing TAB.
set wildmenu

" Make wildmenu behave like similar to Bash completion.
set wildmode=list:longest

" There are certain files that we would never want to edit with Vim.
" Wildmenu will ignore files with these extensions.
set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

" Returns true if the color hex value is light
function! IsHexColorLight(color) abort
  let l:raw_color = trim(a:color, '#')

  let l:red = str2nr(substitute(l:raw_color, '(.{2}).{4}', '1', 'g'), 16)
  let l:green = str2nr(substitute(l:raw_color, '.{2}(.{2}).{2}', '1', 'g'), 16)
  let l:blue = str2nr(substitute(l:raw_color, '.{4}(.{2})', '1', 'g'), 16)

  let l:brightness = ((l:red * 299) + (l:green * 587) + (l:blue * 114)) / 1000

  return l:brightness > 155
endfunction

func! WordProcessorMode()
 setlocal textwidth=80
 setlocal smartindent
 setlocal spell spelllang=en_us
 setlocal noexpandtab
endfu