local M = {}
local map = vim.keymap.set

-- export on_attach & capabilities
M.on_attach = function(_, bufnr)
  local function opts(desc)
    return { buffer = bufnr, desc = "LSP " .. desc }
  end

  map("n", "gD", vim.lsp.buf.declaration, opts "Go to declaration")
  map("n", "gd", vim.lsp.buf.definition, opts "Go to definition")
  map("n", "<leader>wa", vim.lsp.buf.add_workspace_folder, opts "Add workspace folder")
  map("n", "<leader>wr", vim.lsp.buf.remove_workspace_folder, opts "Remove workspace folder")

  map("n", "<leader>wl", function()
    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
  end, opts "List workspace folders")

  map("n", "<leader>D", vim.lsp.buf.type_definition, opts "Go to type definition")
end

-- disable semanticTokens
M.on_init = function(client, _)
  if vim.fn.has "nvim-0.11" ~= 1 then
    if client.supports_method "textDocument/semanticTokens" then
      client.server_capabilities.semanticTokensProvider = nil
    end
  else
    if client:supports_method "textDocument/semanticTokens" then
      client.server_capabilities.semanticTokensProvider = nil
    end
  end
end

M.capabilities = vim.lsp.protocol.make_client_capabilities()

M.capabilities.textDocument.completion.completionItem = {
  documentationFormat = { "markdown", "plaintext" },
  snippetSupport = true,
  preselectSupport = true,
  insertReplaceSupport = true,
  labelDetailsSupport = true,
  deprecatedSupport = true,
  commitCharactersSupport = true,
  tagSupport = { valueSet = { 1 } },
  resolveSupport = {
    properties = {
      "documentation",
      "detail",
      "additionalTextEdits",
    },
  },
}

return M