vim.diagnostic.config({
  -- only show virtual text for WARN and higher
  virtual_text = { severity = { min = vim.diagnostic.severity.WARN } },
})

vim.lsp.enable("bashls");
vim.lsp.enable("eslint");

if vim.fn.executable("dprint") == 1 then
  local version = vim.version.parse(vim.fn.system("dprint --version"))
  if vim.version.cmp(version, {0,45,0}) >= 0 then
    vim.lsp.enable("dprint")
  end
end

if vim.fn.executable("deno") == 1 then
  vim.lsp.enable("deno");
else
  require('typescript').setup({
    server = {
      init_options = {
        completionDisableFilterText = true,
        preferences = {
          importModuleSpecifierPreference = 'non-relative',
          -- this prevents renames from aliasing when destructuring
          providePrefixAndSuffixTextForRename = false,
        },
      },
      handlers = {
        ['$/typescriptVersion'] = function(err, result, ctx, config)
          vim.notify(string.format('Typescript %s', result.version))
        end
      },
      flags = {
        debounce_text_changes = 150,
      },
      on_init = function(client)
        -- mark tsserver as not having formatting available as we rely on
        -- eslint and dprint for that
        client.server_capabilities.documentFormattingProvider = false
        client.server_capabilities.documentRangeFormattingProvider = false
      end,
    }
  })
end

if vim.fn.executable("gopls") == 1 then
  vim.lsp.enable("gopls")
end

if vim.fn.executable("ruby-lsp") == 1 then
  vim.lsp.config("ruby_lsp", {
    init_options = {
      enabledFeatures = {
        formatting = false,
      },
    }
  })
  vim.lsp.enable("ruby_lsp")
end

if vim.fn.executable("nil") == 1 then
  vim.lsp.enable("nil_ls")
end

if vim.fn.executable("jdtls") == 1 then
  vim.lsp.config("jdtls", {
    handlers = {
      ["$/progress"] = function()
        -- this is quite noisy so just disable it
      end
    },
  })
  vim.lsp.enable("jdtls")
end

-- custom LSP servers
vim.lsp.config("elvish", {
  cmd = {'elvish', '--lsp'},
  filetypes = {'elvish'},
  settings = {},
})
vim.lsp.enable("elvish")