-- require('internal.spell')
vim.opt_local.foldenable = false
vim.opt_local.foldlevel = 1

vim.fn.matchadd('Conceal', '- \\[ \\]\\&- \\zs\\[ ', 0, -1, { conceal = '☐ ' })
-- vim.fn.matchadd('Conceal', '\\[x\\]', 0, -1, { conceal = '☑ ' })
-- vim.fn.matchadd('Conceal', '\\[-\\]', 0, -1, { conceal = '☒ ' })
vim.fn.matchadd('Conceal', '- \\[x\\]\\&- \\zs\\[x', 0, -1, { conceal = '🞕 ' })
vim.fn.matchadd('Conceal', '- \\[[ x]\\zs\\]', 0, -1, { conceal = ' ' })

vim.keymap.set('n', '<Plug>Markdown_OpenUrlUnderCursor', vim.ui.open)

vim.keymap.set(
  'n',
  '<localleader>l',
  require('internal.misc').link_preview,
  { desc = 'link preview' }
)

local function toggle_checkbox()
  local ln, n = vim.api.nvim_get_current_line(), 0
  ln, n = string.gsub(ln, '%[ %]', '[x]', 1)
  if n > 0 then
    goto set_line
  end
  ln, n = string.gsub(ln, '%[x%]', '[ ]', 1)
  if n > 0 then
    goto set_line
  end
  ln, n = string.gsub(ln, 'TODO', 'DONE', 1)
  if n > 0 then
    goto set_line
  end
  ln, n = string.gsub(ln, 'DONE', 'TODO', 1)
  if n > 0 then
    goto set_line
  end

  ::set_line::
  vim.api.nvim_set_current_line(ln)
end

vim.keymap.set('n', '<space><space>', toggle_checkbox, { desc = 'toggle checkbox', buffer = true })
vim.keymap.set('i', '<c-space>', toggle_checkbox, { desc = 'toggle checkbox', buffer = true })

-- vim.keymap.set('n', 'o', function()
--   local cursor = vim.api.nvim_win_get_cursor(0)
--   -- need to decrement the row number here, to account for 0 indexing
--   local node = vim.treesitter.get_node({
--     bufnr = 0,
--     pos = { cursor[1] - 1, cursor[2] },
--   })
--   while node do
--     if node:type() == 'list_item' then
--       local ln = vim.treesitter.get_node_text(node:child(0), 0, {})
--       local ln_start = string.match(ln, '^(%d+)%.')
--       if ln_start ~= nil then
--         ln = ln:gsub(ln_start, tonumber(ln_start) + 1)
--       end
--       vim.api.nvim_buf_set_lines(0, cursor[1], cursor[1], false, { ln })
--       vim.api.nvim_feedkeys('jA', 'n', false)
--       return
--     end
--     node = node:parent()
--   end
--
--   vim.api.nvim_feedkeys('o', 'n', false)
-- end, { desc = 'smart-o', buffer = true })