" flyingscorpio's 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=","

" jk is escape
inoremap jk <esc>

" F2 to save file
nmap <F2> :w<CR>
imap <F2> <ESC>:w<CR>i

" global copy/paste
nmap <leader>y "*yy
nmap <leader>p "*p
" }}}
" VUNDLE {{{
filetype off
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

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

" AUTOCOMPLETION, FORMATTING 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
Plugin 'psf/black' " Black autoformatter for Python

" 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

call vundle#end()
filetype plugin indent on
" }}}
" 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:pymode_lint_ignore = ["E203"]

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

" in normal mode run YCM's GoTo subcommand
nnoremap <leader>gd :YcmCompleter GoTo<CR>

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

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

" let g:indentLine_char = '▏'
let g:indentLine_fileType = ['html', 'htmldjango']
" }}}
" COLORS {{{
colorscheme badwolf
let g:airline_theme='badwolf'
syntax on
let &t_ut='' " Disable BCE (background color erase)
" }}}
" SPACES & TABS {{{
set expandtab " expand tabs to spaces
set shiftwidth=4
set softtabstop=4 " number of spaces in tab when editing
" }}}
" UI CONFIG {{{
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 relativenumber " hybrid 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 {{{
set path+=** " Find files in sub-folders too
set incsearch " search as characters are entered
set hlsearch " highlight matches
" turn off search hightlight after search
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
" }}}
" AUTOGROUPS {{{
augroup configgroup
    autocmd!

    " Reset cursor on start: the default cursor in normal mode is block but this
    " will be overridden by any shell/terminal configuration.
    autocmd VimEnter * silent !echo -en "\e[2 q"
    " Remove garbage in command section due to the above line
    autocmd VimEnter * redraw!

    autocmd VimEnter * highlight clear SignColumn

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

    " Toggle relative number and absolute number according to focus and insert
    autocmd BufEnter,FocusGained,InsertLeave * set relativenumber
    autocmd BufLeave,FocusLost,InsertEnter * set norelativenumber

    autocmd FileType c let g:ycm_extra_conf_globlist = ['~/*']
    autocmd FileType rust nnoremap <F9> :RustFmt<CR>
    autocmd FileType python nnoremap <F9> :Black<CR>
    autocmd FileType html,htmldjango,python,yaml 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 BufEnter Makefile,*.asm setlocal noexpandtab tabstop=6 shiftwidth=6 softtabstop=0
    autocmd BufEnter *.sh setlocal shiftwidth=2 tabstop=2 softtabstop=2 foldlevel=0 foldmethod=marker
augroup END
" }}}
set modelines=1
" vim:foldmethod=marker:foldlevel=0