local ls = require 'luasnip'

ls.config.set_config {
  history = true,
  updateevents = 'TextChanged,TextChangedI',
  enable_autosnippets = true
}


vim.cmd [[
  imap <silent><expr> <c-j> luasnip#expand_or_jumpable() ? '<Plug>luasnip-expand-or-jump' : '<c-k>'
  inoremap <silent> <c-k> <cmd>lua require('luasnip').jump(-1)<CR>
  snoremap <silent> <c-j> <cmd>lua require('luasnip').jump(1)<CR>
  snoremap <silent> <c-k> <cmd>lua require('luasnip').jump(-1)<CR>
]]

vim.cmd [[
  nnoremap <silent> <leader><leader>s <cmd>source ~/.config/nvim/after/plugin/snippets.lua<CR>
]]

local s = ls.s
local fmt = require'luasnip.extras.fmt'.fmt
local i = ls.insert_node
local rep = require'luasnip.extras'.rep

ls.snippets = {
  cpp = {
    ls.parser.parse_snippet("lmb", "[$1]($2)\n{\n\t$0\n}"),
    ls.parser.parse_snippet("func", "$1 $2($3)\n{\n\t$0\n}"),
    ls.parser.parse_snippet("mfunc", "$1 $2::$3($4)\n{\n\t$0\n}"),
    ls.parser.parse_snippet("ns", "namespace $1\n{\n\t$0\n}"),
    ls.parser.parse_snippet("alias", "using $1 = $0;"),
    s("cls", fmt("class {} \n\n\t{}();\n\t~{}();\n", { i(1, "Class"), rep(1), rep(1) }))
  }
}