" Automatically install vim plug
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

set completeopt=menu,menuone,noselect

call plug#begin()
" Color Schemes
Plug 'rafi/awesome-vim-colorschemes'
Plug 'mhartington/oceanic-next'
Plug 'morhetz/gruvbox'
Plug 'joshdick/onedark.vim'

Plug 'vim-test/vim-test'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-surround'
Plug 'airblade/vim-gitgutter'
Plug 'tpope/vim-fugitive'
Plug 'mhinz/vim-signify'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'skywind3000/asyncrun.vim'
Plug 'jiangmiao/auto-pairs'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
" Highlighting and File Navigation
Plug 'ms-jpq/chadtree', {'branch': 'chad', 'do': 'python3 -m chadtree deps'}
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}  " We recommend updating the parsers on update
Plug 'sheerun/vim-polyglot'
" LSP resources
Plug 'neovim/nvim-lspconfig'
Plug 'williamboman/nvim-lsp-installer'
Plug 'ms-jpq/coq_nvim', {'branch': 'coq'}
Plug 'ms-jpq/coq.artifacts', {'branch': 'artifacts'}
call plug#end()

" Set leader to comma
let mapleader=","

set omnifunc=v:lua.vim.lsp.omnifunc

" Set to open tree
nnoremap <leader><space> <cmd>CHADopen<cr>

lua << EOF
vim.g.coq_settings = {
	auto_start = 'shut-up',
	['keymap.jump_to_mark'] = '',
    ['display.icons.mode'] = 'none',
    ['clients.third_party.enabled'] = false,
}

require'nvim-treesitter.configs'.setup {
  ensure_installed = { "zig", "python", "c", "bash", "json" }, -- one of "all", "maintained" (parsers with maintainers), or a list of languages
  sync_install = false, -- install languages synchronously (only applied to `ensure_installed`)
  ignore_install = { "javascript" }, -- List of parsers to ignore installing
  highlight = {
    enable = true,              -- false will disable the whole extension
    -- disable = { "c", "rust" },  -- list of language that will be disabled
    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
    -- Using this option may slow down your editor, and you may see some duplicate highlights.
    -- Instead of true it can also be a list of languages
    additional_vim_regex_highlighting = false,
  },
}

local nvim_lsp = require('lspconfig')
local coc = require "coq" -- add this
local lsp_installer = require("nvim-lsp-installer")

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

  -- Enable completion triggered by <c-x><c-o>
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }

  -- See `:help vim.lsp.*` for documentation on any of the below functions
  buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  buf_set_keymap('n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  buf_set_keymap('n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  buf_set_keymap('n', '<leader>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
  buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)

end

-- Register a handler that will be called for all installed servers.
-- Alternatively, you may also register handlers on specific server instances instead (see example below).
lsp_installer.on_server_ready(function(server)

    -- (optional) Customize the options passed to the server
    -- local opts = {}
    -- if server.name == "tsserver" then
    --     opts.root_dir = function() ... end
    -- end

    -- This setup() function is exactly the same as lspconfig's setup function.
    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md

    -- Without coq.nvim:
    -- server:setup(opts)

    -- With coq.nvim:
    server:setup(coq.lsp_ensure_capabilities{on_attach = on_attach})
end)
EOF

map <C-p> :Files<CR>

let g:cpp_class_scope_highlight = 1
let g:cpp_member_variable_highlight = 1
let g:cpp_class_decl_highlight = 1
let g:cpp_posix_standard = 1
let g:cpp_experimental_template_highlight = 1

let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1 
let g:airline_powerline_fonts = 1
let g:airline_theme='tomorrow'
let g:airline_solarized_bg='dark'
let g:airline#extensions#hunks#enabled=1
let g:airline#extensions#branch#enabled=1

" Quick edit init.vim
nnoremap <Leader>v :n $MYVIMRC<cr>

" For vim-test: these Ctrl mappings work well when Caps Lock is mapped to Ctrl
nmap <silent> t<C-n> :TestNearest<CR>
nmap <silent> t<C-f> :TestFile<CR>
nmap <silent> t<C-s> :TestSuite<CR>
nmap <silent> t<C-l> :TestLast<CR>
nmap <silent> t<C-g> :TestVisit<CR>
let test#strategy = "asyncrun"

" Reloads vimrc after saving but keep cursor position
if !exists('*ReloadVimrc')
   fun! ReloadVimrc()
       let save_cursor = getcurpos()
       source $MYVIMRC
       call setpos('.', save_cursor)
   endfun
endif
autocmd! BufWritePost $MYVIMRC call ReloadVimrc()

" Or if you have Neovim >= 0.1.5
if (has("termguicolors"))
 set termguicolors
endif

" Theme
set t_Co=256
syntax enable
set background=dark
colorscheme onedark

" Navigate buffers like tabs (gt & gT)
nnoremap <silent> gb :bnext<CR>
nnoremap <silent> gB :bprevious<CR>

" TextEdit might fail if hidden is not set.
set hidden
set number

set tabstop=4
set shiftwidth=4
set softtabstop=4
set expandtab
set smarttab

" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Give more space for displaying messages.
set cmdheight=2

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=1000

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" Set termdebug
let g:termdebug_wide=1