if empty(glob('~/.config/nvim/autoload/plug.vim'))
  silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

let g:pyxversion = 'python3'

set number
set relativenumber
set tabstop=4
set shiftwidth=4
set smarttab
set expandtab
set hidden
set showtabline=1
set termguicolors
set ttyfast
set wildmenu
set title
set list
set listchars=tab:→\ ,eol:¬,trail:•,extends:❯,precedes:❮,space:⨪
set showbreak=↪
set timeoutlen=500
set ignorecase
set smartcase
set splitbelow
set splitright

if has("nvim-0.5.0")
    augroup LuaHighlight
      autocmd!
      autocmd TextYankPost * silent! lua require'vim.highlight'.on_yank()
    augroup END
endif

let g:mapleader="\<SPACE>"
let g:maplocalleader=','

if has('nvim')
	set inccommand=split
endif

if has("persistent_undo")
    set undofile
    set undodir=$HOME/.undodir
    augroup undodir
        autocmd!
        autocmd BufWritePre /tmp/* setlocal noundofile 
    augroup END
endif

call plug#begin('~/.config/nvim/plugged')
" if has('python3') && has('timers')
"   Plug 'AlphaMycelium/pathfinder.vim'
" else
"   echoerr 'pathfinder.vim is not supported on this Vim installation'
" endif
Plug 'junegunn/vim-plug'

" Builtin LSP Stuff
Plug 'neovim/nvim-lsp'

" Lisp-In-Lua
Plug 'Olical/conjure'
Plug 'Olical/aniseed'
Plug 'bakpakin/fennel.vim'

" CtrlP
Plug 'ctrlpvim/ctrlp.vim'

" Wakatime
Plug 'wakatime/vim-wakatime'

" Dispatch
Plug 'tpope/vim-dispatch'
Plug 'radenling/vim-dispatch-neovim'

" Follow symlinks
Plug 'moll/vim-bbye'
Plug 'aymericbeaumet/vim-symlink'

" Editorconfig
Plug 'sgur/vim-editorconfig'

Plug 'terryma/vim-expand-region'
Plug 'junegunn/rainbow_parentheses.vim'

if !has("nvim-0.5.0")
    Plug 'machakann/vim-highlightedyank'
endif

Plug 'nvim-treesitter/nvim-treesitter'

Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'morhetz/gruvbox'
Plug 'arzg/vim-corvine'
Plug 'tpope/vim-fugitive'
Plug 'mhinz/vim-signify'
Plug 'tpope/vim-commentary'
Plug 'mbbill/undotree'
Plug 'elmcast/elm-vim'
Plug 'liuchengxu/vim-which-key'
Plug 'airblade/vim-rooter'

"async.vim
Plug 'prabirshrestha/async.vim'

call plug#end()

" CtrlP mappings
let g:ctrlp_map = '<Leader>p'
let g:ctrlp_cmd = 'CtrlPMixed'
let g:ctrlp_user_command = 'rg --files %s'

set signcolumn=yes

" Builtin LSP
lua << EOF
local nvim_lsp = require'nvim_lsp'
nvim_lsp.ocamlls.setup{}
nvim_lsp.pyls.setup{
    settings = {
        pyls = {
            configurationSources = { "pyls-black", flake8 }
        }
    }
}
nvim_lsp.rust_analyzer.setup{}
nvim_lsp.solargraph.setup{}
nvim_lsp.yamlls.setup{}
EOF

set background=dark
colorscheme corvine

"Airline settings
let g:airline#extensions#tabline#enabled = 1
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#formatter = 'unique_tail_improved'
let g:airline_theme='base16_tomorrow'

nnoremap <leader>u :UndotreeToggle<cr>
nnoremap <leader>h <C-W><C-H> 
nnoremap <leader>j <C-W><C-J>
nnoremap <leader>k <C-W><C-K>
nnoremap <leader>l <C-W><C-L>
nnoremap <leader>n :nohl<cr>
nnoremap <C-k> <C-u>
nnoremap <C-j> <C-d>
vnoremap <C-k> <C-u>
vnoremap <C-j> <C-d>

" Read and write to system clipboard
vnoremap <Leader>y "+y
vnoremap <Leader>d "+d
nnoremap <Leader>p "+p
nnoremap <Leader>P "+P
vnoremap <Leader>p "+p
vnoremap <Leader>P "+P

" Keep expanding regions with v in visual mode
vmap v <Plug>(expand_region_expand)
vmap <C-v> <Plug>(expand_region_shrink)

"which-key
let g:which_key_map = {}
autocmd! User vim-which-key call which_key#register('<Space>', 'g:which_key_map')
nnoremap <silent> <leader>      :<c-u>WhichKey '<Space>'<CR>
nnoremap <silent> <localleader> :<c-u>WhichKey  ','<CR>

"rainbow-parens
autocmd VimEnter * RainbowParentheses
let g:rainbow#blacklist = [248]
let g:rainbow#pairs = [['(', ')'], ['[', ']'], ['{', '}']]

function! s:transformed_url(url)
    let l:rv = a:url
    let l:rv = system("echo " . l:rv . ' | sed "s|:|/|" | sed "s|git@|https://|"')
    return l:rv
endfunction

function! GetGitUrl()
    let url = trim(system("git remote get-url origin"))
    let t_url = s:transformed_url(url)
    let branch = system("git branch --show-current")
    let file_name = expand('%')
    let line_num = line(".")
    let @+ =  trim(t_url) . "/blob/" . trim(branch) . "/" . trim(file_name) . "#L" . trim(line_num)
endfunction

nnoremap <silent> <leader>c :call GetGitUrl()<CR>
nnoremap <silent> <leader>* :grep <cword><CR>:cw

set grepprg=rg\ -H\ --no-heading\ --vimgrep
set grepformat=%f:%l:%c:%m

if has("nvim-0.5.0")
    lua << EOF
require 'nvim-treesitter.configs'.setup {
    highlight = {
        enable = true,                    -- false will disable the whole extension
    },
    incremental_selection = {
        enable = true,
        keymaps = {                       -- mappings for incremental selection (visual mappings)
          init_selection = '<Leader>s',         -- maps in normal mode to init the node/scope selection
          node_incremental = "u",       -- increment to the upper named parent
          scope_incremental = "s",      -- increment to the upper scope (as defined in locals.scm)
          node_decremental = "d",       -- decrement to the previous node
        }
    },
    refactor = {
      highlight_definitions = {
        enable = true
      },
      smart_rename = {
        enable = true,
        smart_rename = "<Leader>r",              -- mapping to rename reference under cursor
      },
      navigation = {
        enable = true,
        goto_definition = "<Leader>tg",          -- mapping to go to definition of symbol under cursor
        list_definitions = "<Leader>ta"          -- mapping to list all definitions in current file
      }
    },
    ensure_installed = {'python'}
}
EOF
endif