local M = {}

M.config = function()
  O.lang.go = {
    formatter = {
      exe = "gofmt",
      args = {},
      stdin = true,
    },
    linters = {
      "golangcilint",
      "revive",
    },
  }
end

M.format = function()
  O.formatters.filetype["go"] = {
    function()
      return {
        exe = O.lang.go.formatter.exe,
        args = O.lang.go.formatter.args,
        stdin = O.lang.go.formatter.stdin,
      }
    end,
  }

  require("formatter.config").set_defaults {
    logging = false,
    filetype = O.formatters.filetype,
  }
end

M.lint = function()
  require("lint").linters_by_ft = {
    go = O.lang.go.linters,
  }
end

M.lsp = function()
  if not require("utils").check_lsp_client_active "gopls" then
    require("lspconfig").gopls.setup {
      cmd = { DATA_PATH .. "/lspinstall/go/gopls" },
      settings = { gopls = { analyses = { unusedparams = true }, staticcheck = true } },
      root_dir = require("lspconfig").util.root_pattern(".git", "go.mod"),
      init_options = { usePlaceholders = true, completeUnimported = true },
      on_attach = require("lsp").common_on_attach,
    }
  end
end

M.dap = function()
  -- TODO: implement dap
  return "No DAP configured!"
end

return M