init.vim

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

call plug#begin(has('nvim') ? stdpath('data') . '/plugged' : '~/.vim/plugged')
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-surround'
Plug 'numToStr/Comment.nvim'
Plug 'mbbill/undotree'
Plug 'nvim-treesitter/nvim-treesitter'
Plug 'neovim/nvim-lspconfig'
Plug 'jiangmiao/auto-pairs'
Plug 'shaunsingh/solarized.nvim'
Plug 'L3MON4D3/LuaSnip'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-path'
Plug 'hrsh7th/nvim-cmp'
Plug 'saadparwaiz1/cmp_luasnip'
Plug 'rafamadriz/friendly-snippets'
call plug#end()

set title
set laststatus=2
set mouse=a
set number
set relativenumber
set signcolumn=number
set smartindent
set undofile
set linebreak
set updatetime=50
set laststatus=1
set scrolloff=8
" set tgc
set bg=dark

let mapleader = ' '
nnoremap [q <cmd>cp<CR>
nnoremap ]q <cmd>cn<CR>
nnoremap [b <cmd>bp<CR>
nnoremap ]b <cmd>bn<CR>
nnoremap <leader>f <cmd>lua vim.lsp.buf.format()<CR>
nnoremap <leader>d <cmd>lua vim.lsp.buf.definition()<CR>
nnoremap <leader>h <cmd>lua vim.lsp.buf.hover()<CR>
nnoremap <leader>r <cmd>lua vim.lsp.buf.rename()<CR>
nnoremap <leader>ej <cmd>lua vim.diagnostic.goto_next()<CR>
nnoremap <leader>ek <cmd>lua vim.diagnostic.goto_prev()<CR>
nnoremap <leader>u <cmd>UndotreeToggle<CR>

hi Pmenu ctermbg=darkgray ctermfg=white
hi ColorColumn ctermbg=darkgray


au FileType c,cpp,go,python,rust setl cc=80
au VimResized * wincmd =

" press <Tab> to expand or jump in a snippet. These can also be mapped separately
" via <Plug>luasnip-expand-snippet and <Plug>luasnip-jump-next.
imap <silent><expr> <Tab> luasnip#expand_or_jumpable() ? '<Plug>luasnip-expand-or-jump' : '<Tab>' 
inoremap <silent> <S-Tab> <cmd>lua require'luasnip'.jump(-1)<Cr>
snoremap <silent> <Tab> <cmd>lua require('luasnip').jump(1)<Cr>
snoremap <silent> <S-Tab> <cmd>lua require('luasnip').jump(-1)<Cr>


lua << EOF

require('Comment').setup()

-- Treesitter
require("nvim-treesitter.configs").setup({
	highlight = { enable = true },
	ensure_installed = { "c",  "cpp", "lua", "vim", "vimdoc", "query", "rust", "go", "python" },
})

-- LSP

local capabilities = require('cmp_nvim_lsp').default_capabilities()
local lspconfig = require('lspconfig')
lspconfig.rust_analyzer.setup{
	capabilities = capabilities,
}
lspconfig.clangd.setup{
	capabilities = capabilities,
}
lspconfig.gopls.setup{
	capabilities = capabilities,
}
lspconfig.pylsp.setup{
	capabilities = capabilities,
settings = {
	pylsp = {
		plugins = {
			pycodestyle = {
				ignore = {'W391'},
				maxLineLength = 100
			}
			}
		}
	}
}

local luasnip = require('luasnip')
require("luasnip.loaders.from_vscode").lazy_load()

local cmp = require('cmp')
cmp.setup({ 
snippet = {
	expand = function(args)
	luasnip.lsp_expand(args.body)
	end,
},

mapping = {
	["<C-p>"] = cmp.mapping.select_prev_item(),
	["<C-n>"] = cmp.mapping.select_next_item(),
	["<C-d>"] = cmp.mapping.scroll_docs(-4),
	["<C-f>"] = cmp.mapping.scroll_docs(4),
	["<C-e>"] = cmp.mapping.close(),
	["<C-y>"] = cmp.mapping.confirm {
		behaviour = cmp.ConfirmBehavior.Insert,
		select = true,
	},
},

sources = cmp.config.sources({
	{name = "nvim_lsp", max_item_count = 15},
	{name = "path", max_item_count = 10},
	{name = "luasnip"},
	{name = "buffer", keyword_length = 1},
})
})


EOF