local sources = require("getchoo.lsp.config.sources")

local M = {}

-- only use null-ls for formatting

--- for neovim >= 8
--- local lsp_formatting = function(bufnr)
--- 	vim.lsp.buf.format({
--- 		filter = function(client)
--- 			return client.name == "null-ls"
--- 		end,
--- 		bufnr = bufnr,
--- 	})
--- end

local augroup = vim.api.nvim_create_augroup("LspFormatting", {})
local formatting_on_attach = function(client, bufnr)
  if client.supports_method("textDocument/formatting") then
    vim.api.nvim_clear_autocmds({ group = augroup, buffer = bufnr })
    vim.api.nvim_create_autocmd("BufWritePre", {
      group = augroup,
      buffer = bufnr,
      callback = function()
        local params = require("vim.lsp.util").make_formatting_params({})
        client.request("textDocument/formatting", params, nil, bufnr)
        -- lsp_formatting(bufnr) -- neovim >= 8
      end,
    })
  end
end

M.config = {
  on_attach = formatting_on_attach,
  sources = sources.null_ls,
}

return M