local configs = require "lspconfig/configs"
local util = require "lspconfig/util"

local server_name = "codeqlls"

local root_pattern = util.root_pattern "qlpack.yml"

configs[server_name] = {
  default_config = {
    cmd = { "codeql", "execute", "language-server", "--check-errors", "ON_CHANGE", "-q" },
    filetypes = { "ql" },
    root_dir = function(fname)
      return root_pattern(fname) or util.path.dirname(fname)
    end,
    log_level = vim.lsp.protocol.MessageType.Warning,
    before_init = function(initialize_params)
      initialize_params["workspaceFolders"] = {
        {
          name = "workspace",
          uri = initialize_params["rootUri"],
        },
      }
    end,
    settings = {
      search_path = vim.empty_dict(),
    },
  },
  docs = {
    description = [[
Reference:
https://help.semmle.com/codeql/codeql-cli.html

Binaries:
https://github.com/github/codeql-cli-binaries
        ]],
    default_config = {
      settings = {
        search_path = [[list containing all search paths, eg: '~/codeql-home/codeql-repo']],
      },
    },
  },
  on_new_config = function(config)
    if type(config.settings.search_path) == "table" and not vim.tbl_isempty(config.settings.search_path) then
      local search_path = "--search-path="
      for _, path in ipairs(config.settings.search_path) do
        search_path = search_path .. vim.fn.expand(path) .. ":"
      end
      config.cmd = { "codeql", "execute", "language-server", "--check-errors", "ON_CHANGE", "-q", search_path }
    else
      config.cmd = { "codeql", "execute", "language-server", "--check-errors", "ON_CHANGE", "-q" }
    end
  end,
}