let g:lsp_diagnostics_enabled = 0
let g:lsp_document_code_action_signs_enabled = 0

let g:airline#extensions#lsp#enabled = 1

if executable('pylsp')
    au User lsp_setup call lsp#register_server({
        \ 'name': 'pylsp',
        \ 'cmd': {server_info->['pylsp']},
        \ 'allowlist': ['python'],
        \ })
endif

if executable('gopls')
    au User lsp_setup call lsp#register_server({
          \ 'name': 'gopls',
          \ 'cmd': {server_info->['gopls']},
          \ 'allowlist': ['go'],
          \ })
endif

if executable('clangd')
    au User lsp_setup call lsp#register_server({
                \ 'name': 'clangd',
                \ 'cmd': {server_info->['clangd']},
                \ 'allowlist': ['c', 'cpp'],
                \ })
endif

function! s:on_lsp_buffer_enabled() abort
    setlocal omnifunc=lsp#complete
    setlocal nocscopetag
    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
    nmap <buffer> gd <plug>(lsp-definition)
    nmap <buffer> gs <plug>(lsp-document-symbol)
    nmap <buffer> gS <plug>(lsp-workspace-symbol)
    nmap <buffer> gr <plug>(lsp-references)
    nmap <buffer> gi <plug>(lsp-implementation)
    nmap <buffer> gy <plug>(lsp-type-definition)
    nmap <buffer> <leader>rn <plug>(lsp-rename)
    nmap <buffer> K <plug>(lsp-hover)

    let g:lsp_format_sync_timeout = 1000
    autocmd! BufWritePre *.rs,*.go call execute('LspDocumentFormatSync')
endfunction

augroup lsp_install
    au!
    autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END