local markdown = vim.api.nvim_create_augroup("markdown", { clear = true })

local keyunmap = function(mode, binding)
  print(vim.inspect(vim.fn.maparg(binding, mode)))
  if vim.fn.maparg(binding, mode) ~= "" then
    vim.keymap.del(mode, binding)
  end
end

-- Recognize .md as pandoc
vim.api.nvim_create_autocmd({"BufEnter", "BufWinEnter"}, {
  pattern = {"*.md", },
  group = markdown,
  callback =  function()
    vim.o.filetype = 'pandoc'
    require('luasnip').filetype_extend("pandoc", {"markdown"})
    vim.o.spell = true
    vim.o.spelllang = 'en'
    vim.o.formatoptions = "qj"
    -- email commands: my/msy to paste the html inside the clipboard
    vim.keymap.set('', '<LocalLeader>msy', ':w !pandoc -f markdown+emoji -t html5 -s | wl-copy<CR><CR>', { noremap = true, silent = true })
    vim.keymap.set('', '<LocalLeader>my', ':w !pandoc -f markdown+emoji --wrap=none -t html5 | wl-copy<CR><CR>', { noremap = true, silent = true })
  end
})

-- French markdown files
vim.api.nvim_create_autocmd({"BufEnter", "BufWinEnter"}, {
  pattern = {"*-fr.md", },
  group = markdown,
  callback =  function()
    vim.o.spelllang = 'fr'
  end
})

-- Spell shortcuts
vim.api.nvim_create_autocmd({"OptionSet"}, {
  pattern = { "spell" },
  group = markdown,
  callback = function()
    if vim.o.spell == true then
      vim.keymap.set("n", "<Leader>i", "mz[s1z=`z", {noremap = true, silent = true})
      vim.keymap.set("n", "à", "]s", {noremap = true, silent = true})
    else
      keyunmap("n", "<Leader>i")
      keyunmap("n", "à")
    end
  end
})

-- LaTeX configuration
local texgroup = vim.api.nvim_create_augroup("latex", { clear = true })

vim.api.nvim_create_autocmd("FileType", {
  pattern = {"latex"},
  group = texgroup,
  callback = function()
    -- vimtex configuration
    vim.g.vimtex_view_method = 'zathura'
    vim.g.maplocalleader =  ' '
    -- Legacy shortcut from my vim-latexsuite days
    vim.api.nvim_set_keymap("n", "<Leader>ls", ":VimtexView<CR>", {noremap = true, silent = true, desc = 'View [L]atex Document'})

    vim.o.foldmethod = 'expr'
    vim.o.foldexpr='vimtex#fold#level(v:lnum)'
    vim.o.foldtext='vimtex#fold#text()'
    vim.o.spell = true
  end,
})