local ls = require("luasnip")
local s = ls.snippet
local sn = ls.snippet_node
local isn = ls.indent_snippet_node
local t = ls.text_node
local i = ls.insert_node
local f = ls.function_node
local c = ls.choice_node
local d = ls.dynamic_node
local r = ls.restore_node
local events = require("luasnip.util.events")
local ai = require("luasnip.nodes.absolute_indexer")
local extras = require("luasnip.extras")
local l = extras.lambda
local rep = extras.rep
local p = extras.partial
local m = extras.match
local n = extras.nonempty
local dl = extras.dynamic_lambda
local fmt = require("luasnip.extras.fmt").fmt
local fmta = require("luasnip.extras.fmt").fmta
local conds = require("luasnip.extras.expand_conditions")
local postfix = require("luasnip.extras.postfix").postfix
local types = require("luasnip.util.types")
local parse = require("luasnip.util.parser").parse_snippet
local ms = ls.multi_snippet
local k = require("luasnip.nodes.key_indexer").new_key

local line_begin = require("luasnip.extras.expand_conditions").line_begin

ls.add_snippets("nix", {
  s("flake-devshell", fmta([[
{
  description = "A flake indeed";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = { self, nixpkgs }: 
    let
      pkgs = nixpkgs.legacyPackages.x86_64-linux;
    in {
      packages.x86_64-linux = {
        hello = pkgs.hello;
        default = pkgs.hello;
      };

      devShells.x86_64-linux.default = pkgs.mkShell {
        packages = [
          pkgs.hello
          pkgs.zsh
        ];

        shellHook = ''
          export SHELL=${pkgs.zsh}/bin/zsh
          exec $SHELL
        '';
      };
    };
}
<>
  ]], {i(1)}, {
    indent_string = ""
  })),

  s("nix-default", fmta([[
{
  config,
  pkgs,
  ...
}: {
  <>
}
  ]], {i(1)}, {
    indent_string = ""
  }))

})