" Miguel's Fresh Neovim Config
" 29th Apr 2021 - 02nd June 2021

" {{{ vim-plug
call plug#begin('~/.vim/plugged')

Plug 'tpope/vim-sensible'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-unimpaired'
Plug 'tpope/vim-vinegar'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-dispatch'

Plug 'junegunn/fzf',                   { 'do': { -> fzf#install() }                }
Plug 'junegunn/fzf.vim'

Plug 'airblade/vim-gitgutter'
Plug 'nelstrom/vim-visual-star-search'
Plug 'majutsushi/tagbar'

Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }

Plug 'autozimu/LanguageClient-neovim', { 'branch': 'next', 'do': 'bash install.sh' }

Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" Plug 'rafi/awesome-vim-colorschemes'
Plug 'jnurmine/Zenburn'

" haskell related
Plug 'neovimhaskell/haskell-vim'
Plug 'alx741/vim-stylishask'
Plug 'ndmitchell/ghcid', { 'rtp': 'plugins/nvim' }

call plug#end()
" }}}

" 256 colorscheme
colorscheme zenburn

" {{{ misc
set nocompatible
" set cursorcolumn
set cursorline
set foldmethod=marker
set nowrap
set showcmd
set number relativenumber
set hidden
set colorcolumn=73
set backspace=2
" }}}


" disable preview window on autocompletion
set completeopt-=preview

set updatetime=300
set signcolumn=yes

" set mouse=a

syntax on

" detect type and autoload plugin and indent files
filetype plugin indent on

let g:deoplete#enable_at_startup = 1

let g:airline_theme='wombat'
let g:airline_powerline_fonts = 1

nnoremap <F5> :call LanguageClient_contextMenu()<CR>
let g:LanguageClient_serverCommands = { 'haskell': ['haskell-language-server-wrapper', '--lsp'] }

let g:haskell_enable_quantification = 1   " to enable highlighting of `forall`
let g:haskell_enable_recursivedo = 1      " to enable highlighting of `mdo` and `rec`
let g:haskell_enable_arrowsyntax = 1      " to enable highlighting of `proc`
let g:haskell_enable_pattern_synonyms = 1 " to enable highlighting of `pattern`
let g:haskell_enable_typeroles = 1        " to enable highlighting of type roles
let g:haskell_enable_static_pointers = 1  " to enable highlighting of `static`
let g:haskell_backpack = 1                " to enable highlighting of backpack keywords

" {{{ tabs
set listchars=tab:>.,trail:~
set list
set tabstop=8
set expandtab
set softtabstop=4
set shiftwidth=4
set shiftround
" }}}

" {{{ folding
set foldcolumn=5
set foldlevelstart=0
" }}}

" {{{ search
set hlsearch
set incsearch
set ignorecase
set smartcase
" }}}

" {{{ match brackets
set showmatch
set matchtime=5
" }}}

" {{{ KEY BINDINGS
" mapleader
" use <space> but remap to _ so it is visible for 'showcmd'
nmap <space> _
let mapleader="\_"
let maplocalleader="\_"

" get rid of bad habits. (might break other stuff eg. in cygwin)
" inoremap <esc> <nop>
" inoremap <Up> <nop>
" inoremap <Down> <nop>
" inoremap <Left> <nop>
" inoremap <Right> <nop>

" activate 'very magic' for searches automatically
nnoremap / /\v
nnoremap ? ?\v

" alt esc
inoremap jk <esc>
cnoremap jk <esc>

" easy editing and sourcing of vimrc
" nnoremap <leader>sv :source $MYVIMRC<cr>
nnoremap <leader>ev :e $MYVIMRC<cr>

" turn off search highlight
nnoremap <leader>h :nohlsearch<cr>

" layout
"nnoremap <leader>ln :NERDTreeToggle<cr>

" silver search
"noremap <leader>a :Ack!<Space>

" show list if multiple ctrl-] matches
nnoremap <C-]> g<C-]>
augroup filetype_haskell
    autocmd!
    autocmd Filetype haskell nnoremap <C-]> :call LanguageClient#textDocument_definition()<CR>
    autocmd Filetype haskell nnoremap <leader>i :call LanguageClient#textDocument_hover()<CR>
augroup END

" ctrl-space auto complete in insert mode
inoremap <C-Space> <C-N>

" FZF settings
nmap <leader>f :Files<cr>|     " fuzzy find files in the working directory (where you launched Vim from)
nmap <leader>/ :BLines<cr>|    " fuzzy find lines in the current file
nmap <leader>b :Buffers<cr>|   " fuzzy find an open buffer
nmap <leader>a :Rg |           " fuzzy find text in the working directory
nmap <leader>c :Commands<cr>|  " fuzzy find Vim commands (like Ctrl-Shift-P in Sublime/Atom/VSC)
nmap <leader>t :Tags<cr>|      " fuzzy find tags
" }}}