require("luasnip.session.snippet_collection").clear_snippets "markdown"

local ls = require "luasnip"

local s = ls.snippet
local t = ls.text_node
local c = ls.choice_node
local i = ls.insert_node
local f = ls.function_node

local fmt = require("luasnip.extras.fmt").fmt

ls.add_snippets(
  "markdown",
  {
    s("link", {
      t("["), i(1, "description"), t("]("),
      f(function()
        local clip = vim.fn.getreg("+")
        if clip == "" then
          return "url"
        end
        return clip
      end),
      t(")"), i(0),
    }),
    s({ trig = "ics", dscr = "Insert code snippet" },
      fmt(
        [[
          ```{}
          {}
          ```
        ]],
        {
          c(1, { t "python", t "bash", t "swift", t "c" }),
          i(2),
        }
      )
    )
  }
)