local nonels_augroup = core.misc.augroup("nullls formatting")

return {
  { "mason-org/mason.nvim",
		reqs = "neovim/nvim-lspconfig",
    load = function()
      require("mason").setup {
        ui = {
					-- not sure why these are nerdfont icons by default
          icons = {
            package_installed = "+",
            package_pending = "?",
            package_uninstalled = "x"
          }
        }
      }

			core.mason.ensure_installed()
    end
  },

  { "mfussenegger/nvim-jdtls",
    reqs = "mfussenegger/nvim-dap"
  },

  { "nvimtools/none-ls.nvim",
    lazy = dep_short.ft("python"),
    load = function()
      local null_ls = require("null-ls")

      null_ls.setup {
        sources = {
          null_ls.builtins.formatting.black
        },

        on_attach = function(client, bufnr)
          if client:supports_method("textDocument/formatting") then
            vim.api.nvim_clear_autocmds({
              group = nonels_augroup,
              buffer = bufnr
            })
            core.misc.auto("BufWritePre", {
              group = nonels_augroup,
              buffer = bufnr,
              callback = function()
                vim.lsp.buf.format({ bufnr = bufnr })
              end
            })
          end
        end
      }
    end
  }
}