cnoremap w!! w !sudo tee > /dev/null %

autocmd vimenter * ++nested colorscheme gruvbox

set guifont=Fira\ Code:h11

let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#fnamemod = ':t'
let g:airline_powerline_fonts = 1

set hidden
set nobackup
set nowritebackup
set cmdheight=2
set updatetime=300
set shortmess+=c
set signcolumn=yes

lua << EOF
-- Mostly stolen from https://github.com/breuerfelix/nixos/blob/e0c83e66e821d407efae3e998b8eb70b50f9f5e3/shell/vim/lsp.lua
local nvim_lsp = require('lspconfig')
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

  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap = true, silent = true }
  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', 'gt', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)

  buf_set_keymap('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  buf_set_keymap('n', '<leader>rd', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
  buf_set_keymap('n', '<leader>rh', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
  buf_set_keymap('n', '<leader>rs', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<leader>rk', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
  buf_set_keymap('n', '<leader>rj', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<leader>rl', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)

  -- Set some keybinds conditional on server capabilities
  if client.resolved_capabilities.document_formatting then
    buf_set_keymap("n", "<leader>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
  elseif client.resolved_capabilities.document_range_formatting then
    buf_set_keymap("n", "<leader>f", "<cmd>lua vim.lsp.buf.range_formatting()<CR>", opts)
  end

  -- Set autocommands conditional on server_capabilities
  if client.resolved_capabilities.document_highlight then
    vim.api.nvim_exec([[
      hi LspReferenceRead cterm=bold ctermbg=red guibg=LightGrey
      hi LspReferenceText cterm=bold ctermbg=red guibg=LightGrey
      hi LspReferenceWrite cterm=bold ctermbg=red guibg=LightGrey
      augroup lsp_document_highlight
        autocmd! * <buffer>
        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
      augroup END
    ]], false)
  end
end

nvim_lsp['pyright'].setup { on_attach = on_attach }
nvim_lsp['clangd'].setup { on_attach = on_attach }
nvim_lsp['rust_analyzer'].setup { on_attach = on_attach }
nvim_lsp['rnix'].setup { on_attach = on_attach }

require'compe'.setup {
  enabled = true;
  autocomplete = true;
  debug = false;
  min_length = 1;
  preselect = 'enable';
  throttle_time = 80;
  source_timeout = 200;
  incomplete_delay = 400;
  max_abbr_width = 100;
  max_kind_width = 100;
  max_menu_width = 100;
  documentation = true;

  source = {
    path = true;
    buffer = true;
    calc = true;
    nvim_lsp = true;
    nvim_lua = true;
    vsnip = false;
  };
}
EOF