-- Format on save and linters
return {
  'nvimtools/none-ls.nvim',
  dependencies = {
    'nvimtools/none-ls-extras.nvim',
    'gbprod/none-ls-shellcheck.nvim',
  },
  config = function()
    local null_ls = require 'null-ls'
    local formatting = null_ls.builtins.formatting   -- to setup formatters
    local diagnostics = null_ls.builtins.diagnostics -- to setup linters


    -- Note: Use Mason to manually install tools:
    -- :MasonInstall checkmake prettier stylua eslint_d shfmt ruff goimports

    local sources = {
      diagnostics.checkmake,
      formatting.prettier.with { filetypes = { 'html', 'json', 'yaml', 'markdown' } }, -- removed 'templ' for debugging
      formatting.stylua,
      formatting.shfmt.with { args = { '-i', '4' } },
      require('none-ls.formatting.ruff').with { extra_args = { '--extend-select', 'I' } },
      require 'none-ls.formatting.ruff_format',
      formatting.goimports, -- Add goimports for Go files
    }

    local augroup = vim.api.nvim_create_augroup('LspFormatting', {})
    null_ls.setup {
      debug = false, -- Disable debug mode to reduce log spam
      sources = sources,
      -- you can reuse a shared lspconfig on_attach callback here
      on_attach = function(client, bufnr)
        if client.supports_method 'textDocument/formatting' then
          -- Skip formatting for .templ files during debugging
          local filetype = vim.api.nvim_buf_get_option(bufnr, 'filetype')
          if filetype == 'templ' then
            return
          end
          
          vim.api.nvim_clear_autocmds { group = augroup, buffer = bufnr }
          vim.api.nvim_create_autocmd('BufWritePre', {
            group = augroup,
            buffer = bufnr,
            callback = function()
              vim.lsp.buf.format { async = false }
            end,
          })
        end
      end,
    }
  end,
}