Plug 'ncm2/ncm2'
Plug 'ncm2/ncm2-path'
Plug 'roxma/nvim-yarp' " required by ncm2, blech

Plug 'liuchengxu/vista.vim'

Plug 'tjdevries/lsp_extensions.nvim'
Plug 'nvim-lua/completion-nvim'
Plug 'nvim-lua/diagnostic-nvim'
Plug 'nvim-lua/telescope.nvim'
Plug 'nvim-lua/plenary.nvim' " dependency for telescope
Plug 'nvim-lua/popup.nvim' " dependency for telescope

" No automatic word-wrapping
set tw=0

" netrw configuration
" keeping just in case I need to use netrw for some particular purpose
let g:netrw_liststyle = 3 " use tree view by default
let g:netrw_banner = 0    " turn off the help banner
let g:netrw_winsize = 25  " default window size
let g:netrw_bufsettings = 'noma nomod nu nobl nowrap ro' " add line numbers to netrw

" filetype detection for verilog
au BufNewFile,BufRead *.v set filetype=verilog

inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
inoremap <expr><s-tab> pumvisible() ? "\<c-p>" : "\<s-tab>"

" inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
" inoremap <expr><s-tab> pumvisible() ? "\<c-p>" : "\<s-tab>"
" Trigger completion with <Tab>
inoremap <silent><expr> <tab>
  \ pumvisible() ? "\<c-n>" :
  \ <sid>check_back_space() ? "\<tab>" :
  \ completion#trigger_completion()
inoremap <silent><expr> <s-tab>
  \ pumvisible() ? "\<c-p>" :
  \ <sid>check_back_space() ? "\<s-tab>" :
  \ completion#trigger_completion()
function! s:check_back_space() abort
    let col = col('.') - 1
    return !col || getline('.')[col - 1]  =~ '\s'
endfunction
:lua <<EOF
local nvim_lsp = require'nvim_lsp'
local capabilities = {
    textDocument = {
        completion = {
            completionItem = {
                snippetSupport = false
            }
        }
    }
}

lua require'nvim_lsp'.rust_analyzer.setup({on_init = require'ncm2'.register_lsp_source})
" lua require'nvim_lsp'.rls.setup{on_init = require'ncm2'.register_lsp_source}
lua require'nvim_lsp'.pyls.setup{on_init = require'ncm2'.register_lsp_source}
lua require'nvim_lsp'.clangd.setup{on_init = require'ncm2'.register_lsp_source}
lua require'nvim_lsp'.gopls.setup{on_init = require'ncm2'.register_lsp_source}
lua require'nvim_lsp'.tsserver.setup{on_init = require'ncm2'.register_lsp_source}

local on_attach = function(client)
    require'completion'.on_attach(client)
    require'diagnostic'.on_attach(client)
end
local servers = {"rust_analyzer", "pyls", "clangd", "gopls", "tsserver", "texlab"}
for _, server in ipairs(servers) do
    nvim_lsp[server].setup{
        on_attach = on_attach,
        capabilities = capabilities,
    }
end
EOF

    nnoremap <buffer> <silent> <c-]>          <cmd>lua vim.lsp.buf.declaration()<cr>
    nnoremap <buffer> <silent> gd             <cmd>lua vim.lsp.buf.definition()<cr>
    nnoremap <buffer> <silent> K              <cmd>lua vim.lsp.buf.hover()<cr>
    nnoremap <buffer> <silent> gD             <cmd>lua vim.lsp.buf.implementation()<cr>
    " nnoremap <buffer> <silent> <c-k>          <cmd>lua vim.lsp.buf.signature_help()<cr>
    nnoremap <buffer> <silent> 1gD            <cmd>lua vim.lsp.buf.type_definition()<cr>
    nnoremap <buffer> <silent> gr             <cmd>lua vim.lsp.buf.references()<cr>
    nnoremap <buffer> <silent> <localleader>r <cmd>lua vim.lsp.buf.rename()<cr>

    nnoremap <buffer> <silent> <c-]>     <cmd>lua vim.lsp.buf.definition()<cr>
    nnoremap <buffer> <silent> K         <cmd>lua vim.lsp.buf.hover()<cr>
    nnoremap <buffer> <silent> gD        <cmd>lua vim.lsp.buf.implementation()<cr>
    nnoremap <buffer> <silent> <c-k>     <cmd>lua vim.lsp.buf.signature_help()<cr>
    nnoremap <buffer> <silent> 1gD       <cmd>lua vim.lsp.buf.type_definition()<cr>
    nnoremap <buffer> <silent> gr        <cmd>lua vim.lsp.buf.references()<cr>
    nnoremap <buffer> <silent> g0        <cmd>lua vim.lsp.buf.document_symbol()<cr>
    nnoremap <buffer> <silent> gW        <cmd>lua vim.lsp.buf.workspace_symbol()<cr>
    nnoremap <buffer> <silent> gd        <cmd>lua vim.lsp.buf.declaration()<cr>
    nnoremap <buffer> <silent> <leader>r <cmd>lua vim.lsp.buf.rename()<cr>

" only set LSP mappings when entering a file with a supported langserver

    autocmd FileType rust,c,cpp,javascript,typescript,python,go :call SetLspMappings()

    autocmd FileType rust,c,cpp,javascript,typescript,python,go,tex :call SetLspMappings()

" Set updatetime for CursorHold
" 300ms of no cursor movement to trigger CursorHold
set updatetime=300
" Show diagnostic popup on cursor hold
autocmd CursorHold * lua vim.lsp.util.show_line_diagnostics()
" Goto previous/next diagnostic warning/error
nnoremap <silent> g[ <cmd>PrevDiagnosticCycle<cr>
nnoremap <silent> g] <cmd>NextDiagnosticCycle<cr>
" Enable type inlay hints
autocmd CursorMoved,InsertLeave,BufEnter,BufWinEnter,TabEnter,BufWritePost *
\ lua require'lsp_extensions'.inlay_hints{prefix = '', highlight = "Comment"}

autocmd BufEnter * call ncm2#enable_for_buffer()

" autocmd BufEnter * call ncm2#enable_for_buffer()

set shortmess+=c " avoid extra messages during completion

" nnoremap <leader>f <cmd>lua require'telescope.builtin'.find_files{}<cr>

nnoremap <leader>g <cmd>Rg<cr>

" nnoremap <leader>g <cmd>Rg<cr>
nnoremap <leader>g <cmd>lua require'telescope.builtin'.live_grep{}<cr>

nnoremap <leader>j <cmd>Vista finder<cr>

nnoremap <leader>j <cmd>lua require'telescope.builtin'.lsp_document_symbols{}<cr>
nnoremap <leader>J <cmd>lua require'telescope.builtin'.lsp_workspace_symbols{}<cr>