# Global LuaSnip snippets

local luasnip = require('luasnip')
local snip = luasnip.snippet
-- local sn = luasnip.snippet_node
local text = luasnip.text_node
-- local isn = luasnip.indent_snippet_node
-- local t = luasnip.text_node
local insert = luasnip.insert_node
local func = luasnip.function_node
-- local c = luasnip.choice_node
-- local d = luasnip.dynamic_node
-- local r = luasnip.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 = luasnip.multi_snippet
-- local k = require("luasnip.nodes.key_indexer").new_key

local snippets = {}

local function comment_prefix()
  -- Get value of commentstring buffer option
  local split = string.find(vim.bo.commentstring, '%s', 1, true)
  if not split then
    return ''
  end
  -- Slice commentstring prefix
  local prefix = vim.trim(string.sub(vim.bo.commentstring, 1, split - 1))
  local line = vim.api.nvim_get_current_line()
  local cursor = vim.api.nvim_win_get_cursor(vim.api.nvim_get_current_win())
  -- Check if the current line already has prefix before the cursor
  if string.find(string.sub(line, 1, cursor[2] + 1), prefix, 1, true) then
    return ''
  end
  return prefix .. ' '
end

local function comment_suffix()
  -- Get value of commentstring buffer option
  local split = string.find(vim.bo.commentstring, '%s', 1, true)
  if not split then
    return ''
  end
  -- Slice commentstring suffix
  local suffix = vim.trim(string.sub(vim.bo.commentstring, split + 2, -1))
  if string.len(suffix) == 0 then
    return ''
  end
  return ' ' .. suffix
end

for _, name in ipairs({ 'fixme', 'todo', 'hack', 'warn', 'note' }) do
  table.insert(snippets,
    snip(name, {
      func(comment_prefix),
      text(string.upper(name) .. ': '),
      insert(0),
      func(comment_suffix),
    })
  )
end

return snippets