local lsp = require('lsp-zero').preset({})

local function allow_format(servers)
  return function(client) return vim.tbl_contains(servers, client.name) end
end


-- TODO: add bindings to work when no lsp available, to allow normal functionality 
lsp.on_attach(function(client, bufnr)
  -- see :help lsp-zero-keybindings
  -- to learn the available actions
  local opts = {buffer = bufnr, remap = false}
  vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
  vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
  vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
  vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
  vim.keymap.set("n", "[d", function() vim.diagnostic.goto_prev() end, opts)
  vim.keymap.set("n", "]d", function() vim.diagnostic.goto_next() end, opts)
  vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
  vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
  vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
  vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
  lsp.buffer_autoformat()
end)

lsp.setup()