" VIM Configuration File

" most of this comes from https://dougblack.io/words/a-good-vimrc.html

set nocompatible " disable vi compatibility (emulation of old bugs)

" UTF-8 ENCODING {{{

set enc=utf-8
set fenc=utf-8
set termencoding=utf-8

" }}}

" LEADER SHORTCUTS {{{

let mapleader="," " leader is comma

" jk is escape
inoremap jk <esc>

" in normal mode F2 will save the file
nmap <F2> :w<CR>

" in insert mode F2 will exit insert, save, enters insert again
imap <F2> <ESC>:w<CR>i

" in normal mode <leader>y will save to the selection clipboard
nmap <leader>y "*yy

" in normal mode <leader>p will paste from the selection clipboard
nmap <leader>p "*p

" }}}

" VUNDLE {{{

filetype off
" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" Keep Plugin commands between vundle#begin/end.

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" AUTOCOMPLETION AND LINTING
Plugin 'ycm-core/YouCompleteMe' " Main autocompletion
Plugin 'nvie/vim-flake8' " PEP8 linting for Python
Plugin 'dense-analysis/ale' " Vim integration for various linters

" HIGHLIGHTING
Plugin 'ntpeters/vim-better-whitespace' " Whitespace highlighting and removal
Plugin 'python-mode/python-mode' " Python syntax highlighting
Plugin 'c.vim' " C syntax highlighting
Plugin 'rust-lang/rust.vim' " Rust syntax highlighting
Plugin 'godlygeek/tabular' | Plugin 'plasticboy/vim-markdown' " Markdown syntax highlighting

" STATUSLINE
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'

" MISC.
Plugin 'preservim/nerdtree' " A tree explorer plugin
Plugin 'Xuyuanp/nerdtree-git-plugin' " A NERDTree plugin showing git status
Plugin 'Yggdroot/indentLine' " Display thin vertical lines at each indentation level
Plugin 'junegunn/goyo.vim' " Distraction free writing by removing UI elements and centering everything
Plugin 'junegunn/limelight.vim' " Dim paragraphs above and below the active paragraph


" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

" }}}

" PLUGIN OPTIONS {{{

let g:ale_python_mypy_options = '--strict --strict-optional'

let g:pymode_options_max_line_length = 90
let g:pymode_options_colorcolumn = 0

let g:ycm_extra_conf_globlist = ['!~/*'] " is overwritten in autogroups for c
let g:ycm_autoclose_preview_window_after_insertion = 1

let NERDTreeIgnore=['^__pycache__$', '\.pyc', '\~$'] " ignore files in NERDTree

let g:indentLine_char = '▏'

" in normal mode ,ne will open NERDTree
nmap <leader>ne :NERDTree<CR>

" }}}

" COLORS {{{

colorscheme badwolf
let g:airline_theme='badwolf'

syntax on

" Disable BCE (background color erase)
let &t_ut=''

" }}}

" SPACES & TABS {{{

set expandtab " expand tabs to spaces
set shiftwidth=4
set softtabstop=4 " number of spaces in tab when editing

" }}}

" UI CONFIG {{{

" The default cursor in normal mode is block but this will be overridden by
" any shell configuration.

let &t_SI = "\e[5 q" " cursor beam on insert mode
let &t_SR = "\e[3 q" " cursor underline on replace mode
let &t_EI = "\e[2 q" " cursor block otherwise

set number " show line numbers
set spelllang=en,fr
set showcmd " show command in bottom bar
set cursorline " highlight current line
filetype indent on " load filetype-specific indent files
set autoindent " use indentation of previous line
set smartindent " use intelligent indentation for C
set wildmenu " visual autocomplete for command menu
set lazyredraw " redraw only when necessary
set showmatch " highlight matching braces

" }}}

" SEARCHING {{{

" Find files in sub-folders too
set path+=**

set incsearch " search as characters are entered
set hlsearch " highlight matches
" turn off search hightlight after search with `,<space>`
nnoremap <leader><space> :nohlsearch<CR>

" }}}

" FOLDING {{{

set foldenable " enable folding
set foldlevelstart=10 " open most folds by default (0 to 99)
set foldnestmax=10 " guard against too many nested folds
set foldmethod=syntax " fold based on filetype
" space opens and closes folds
nnoremap <space> za

" }}}

" MOVEMENT {{{

" move vertically by visual line (don't jump wrapped lines)
nnoremap j gj
nnoremap k gk

" highlight last inserted text
nnoremap gV `[v`]

" }}}

" AUTOGROUPS {{{

" set language-specific settings for certain filetype/file extensions
" augroup makes the command only apply once
" autocmd! directive clears all the autocmds for the current group

augroup configgroup
    autocmd!

    " reset cursor on start:
    autocmd VimEnter * silent !echo -en "\e[2 q"

    autocmd VimEnter * highlight clear SignColumn

    " Automatically open NERDTree when vim starts up without files specified
    autocmd StdinReadPre * let s:std_in=1
    autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

    " Close vim if the only window left open is a NERDTree
    autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

    " Run StripWhitespace function on write
    autocmd BufWritePre * :StripWhitespace
    " Run Flake8 on write in python files
    autocmd BufWritePost *.py call flake8#Flake8()

    autocmd FileType c let g:ycm_extra_conf_globlist = ['~/*']
    autocmd FileType java setlocal noexpandtab
    autocmd FileType java setlocal list
    autocmd FileType java setlocal listchars=tab:+\ ,eol:-
    autocmd FileType java setlocal formatprg=par\ -w80\ -T4
    autocmd FileType php setlocal expandtab
    autocmd FileType php setlocal list
    autocmd FileType php setlocal lischars=tab:+\ ,eol:-
    autocmd FileType php setlocal formatprg=par\ -w80\ -T4
    autocmd FileType ruby setlocal tabstop=2
    autocmd FileType ruby setlocal shiftwidth=2
    autocmd FileType ruby setlocal softtabstop=2
    autocmd FileType ruby setlocal commentstring=#\ %s
    autocmd FileType python setlocal commentstring=#\ %s
    autocmd FileType python setlocal foldmethod=indent
    autocmd FileType python setlocal colorcolumn=80
    autocmd FileType python let g:ycm_python_interpreter_path = ''
    autocmd FileType python let g:ycm_python_sys_path = []
    autocmd FileType python let g:ycm_extra_conf_vim_data = ['g:ycm_python_interpreter_path', 'g:ycm_python_sys_path']
    autocmd FileType python let g:ycm_global_ycm_extra_conf = '~/.global_extra_conf.py'
    autocmd FileType yaml setlocal foldmethod=indent
    autocmd BufEnter *.cls setlocal filetype=java
    autocmd BufEnter *zsh-theme setlocal filetype=zsh
    autocmd BufEnter Makefile setlocal noexpandtab
    autocmd BufEnter Makefile setlocal tabstop=6
    autocmd BufEnter Makefile setlocal shiftwidth=6
    autocmd BufEnter Makefile setlocal softtabstop=0
    autocmd BufEnter *.asm setlocal noexpandtab
    autocmd BufEnter *.asm setlocal tabstop=6
    autocmd BufEnter *.asm setlocal shiftwidth=6
    autocmd BufEnter *.asm setlocal softtabstop=0
    autocmd BufEnter *.html setlocal foldmethod=indent
    autocmd BufEnter *.sh setlocal tabstop=2
    autocmd BufEnter *.sh setlocal shiftwidth=2
    autocmd BufEnter *.sh setlocal softtabstop=2
    autocmd BufEnter *.sh setlocal foldmethod=marker
    autocmd BufEnter *.sh setlocal foldlevel=0
augroup END

" }}}

set modelines=1
" vim:foldmethod=marker:foldlevel=0