""" General
syntax enable
set nocompatible | filetype indent plugin on | syn on
set backspace=indent,eol,start

set ruler           " show current line and column
set nu rnu          " show line numbers
set cc=75           " show column ruler
set ts=4
set shiftwidth=4
set expandtab
set scrolloff=2
set completeopt=menu,menuone,noselect

""" Colors
syntax on
colorscheme nord    " !nord plugin required

""" Finding files
set path+=**    " Provides tab-completion for all file-related tasks
set wildmenu    " Display all mathing files when we tab complete

""" Tags
command! Mktags !ctags -R .

""" file browsing
let g:netrw_banner=0        " disable annoying banner
let g:netrw_browse_split=4  " open in prior window
let g:netrw_altv=1          " open splits to the right
let g:netrw_liststyle=3     " tree view
let g:netrw_list_hide=netrw_gitignore#Hide()

"" typo
setlocal spell
set spelllang=en
inoremap <C-l> <c-g>u<Esc>[s1z=`]a<c-g>u

""" Plugins
lua require('plugins')
lua require('lualine').setup{}

"" Snippets
imap <expr> <Tab> snippy#can_expand_or_advance() ? '<Plug>(snippy-expand-or-advance)' : '<Tab>'
imap <expr> <S-Tab> snippy#can_jump(-1) ? '<Plug>(snippy-previous)' : '<S-Tab>'
smap <expr> <Tab> snippy#can_jump(1) ? '<Plug>(snippy-next)' : '<Tab>'
smap <expr> <S-Tab> snippy#can_jump(-1) ? '<Plug>(snippy-previous)' : '<S-Tab>'
xmap <Tab> <Plug>(snippy-cut-text)

"" LaTeX
let g:tex_flavor='latex'
let g:vimtex_view_method='zathura'
let g:vimtex_quickfix_mode=0
let g:vimtex_syntax_conceal = {
          \ 'accents': 1,
          \ 'cites': 1,
          \ 'fancy': 1,
          \ 'greek': 1,
          \ 'math_bounds': 1,
          \ 'math_delimiters': 1,
          \ 'math_fracs': 1,
          \ 'math_super_sub': 1,
          \ 'math_symbols': 1,
          \ 'sections': 1,
          \ 'styles': 1,
          \}
set conceallevel=2

lua << EOF
-- LSP and completions --
-- Completions --
local cmp = require('cmp')
cmp.setup({
    completion = { autocomplete = false },
    snippet = {
        expand = function (args)
            require('snippy').expand_snippet(args.body)
        end,
    },
    mapping = {
        ['<C-b>'] = cmp.mapping.scroll_docs(-4),
        ['<C-f>'] = cmp.mapping.scroll_docs(4),
        ['<C-Space>'] = cmp.mapping.complete(),
        ['<C-e>'] = cmp.mapping.abort(),
        ['<CR>'] = cmp.mapping.confirm({ select = true }),
    },
    sources = cmp.config.sources({
        { name = 'nvim_lsp' },
        { name = 'snippy' }
    })
})

-- LSP --
-- See: https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
local lsp = require('lspconfig')

local capabilities = require('cmp_nvim_lsp')
    .update_capabilities(vim.lsp.protocol.make_client_capabilities())

lsp.clangd.setup {
    filetypes = { 'c', 'cpp', 'cxx' },
    capabilities = capabilities
}

lsp.eslint.setup {
    capabilities = capabilities
}

lsp.sumneko_lua.setup {
    settings = {
        Lua = {
            runtime = { version = 'LuaJIT' },
            diagnostics = { globals = { 'vim' } },
            workspace = {
                library = vim.api.nvim_get_runtime_file('', true),
            },
            telemetry = { enable = false },
        },
    },
    capabilities = capabilities,
}
EOF