-- User custom plugin configurations and overrides
return {
  -- Disable Mason on NixOS (all LSPs/formatters/linters are managed declaratively via Nix)
  { "mason.nvim", enabled = false },
  { "mason-lspconfig.nvim", enabled = false },
  { "mason-nvim-dap.nvim", enabled = false },

  -- Treesitter configuration tailored for NixOS
  {
    "nvim-treesitter/nvim-treesitter",
    opts = function(_, opts)
      -- Nix provides all precompiled grammars in ~/.config/nvim/parser and rtp.
      -- Clear LazyVim's default ensure_installed list to prevent compile triggers on startup.
      opts.ensure_installed = {}
      opts.auto_install = false
      opts.sync_install = false
      opts.highlight = {
        enable = true,
        additional_vim_regex_highlighting = false,
      }
      opts.indent = { enable = true }
    end,
  },

  -- Example: Telescope / fzf configuration
  {
    "nvim-telescope/telescope.nvim",
    opts = {
      defaults = {
        layout_strategy = "horizontal",
        layout_config = { prompt_position = "top" },
        sorting_strategy = "ascending",
        winblend = 0,
      },
    },
  },

  -- Linting configuration (graceful fallback if linters are not yet in PATH)
  {
    "mfussenegger/nvim-lint",
    opts = function(_, opts)
      opts.linters_by_ft = opts.linters_by_ft or {}
      if vim.fn.executable("statix") == 0 then
        opts.linters_by_ft["nix"] = {}
      end
    end,
  },
}