# Description: Use Vim or NeoVim to convert any text file to HTML
# License: GPL-2.0+
# Version: 1.0.13
# Function to convert a file to HTML using Vim or Neovim based on its MIME type
function tohtml() {
  # Check if the required number of arguments are passed
  if [[ ${1} == "" ]]; then
    echo "Usage:"
    echo " tohtml infile"
    echo " zrep kekePower/tohtml help"
    return 1
  fi

  local infile="${1}"
  local editorChoiceFile="$HOME/.tohtml"
  local editor

  # Check if the editor choice exists
  if [[ -f "$editorChoiceFile" ]]; then
    editor=$(<"$editorChoiceFile")
  else
    # Ask the user for their editor choice
    echo "Do you want to use vim or nvim? [vim/nvim]"
    read editor
    echo "${editor} added to ${editorChoiceFile}"
    echo "${editor}" > "${editorChoiceFile}"
  fi

  # Determine the file's MIME type
  local mimetype=$(file --mime-type -b "${infile}")
  local vim_ft=""

  # Mapping from MIME types to Vim filetypes
  case "${mimetype}" in
    "text/x-c"|"text/x-csrc") vim_ft="c" ;;
    "text/x-c++"|"text/x-c++src"|"text/x-c-header") vim_ft="cpp" ;;
    "text/x-shellscript") vim_ft="sh" ;;
    "text/x-python") vim_ft="python" ;;
    "text/html") vim_ft="html" ;;
    "text/javascript") vim_ft="javascript" ;;
    "text/css") vim_ft="css" ;;
    # Add other MIME types and their corresponding Vim filetype here
    *) vim_ft="" ;;
  esac

  # Construct the command with the determined Vim filetype
  local cmd="$editor -E -s -c "let g:html_no_progress=1" -c ":let g:html_number_lines=1" -c "syntax on""

  if [[ -n "${vim_ft}" ]]; then
    cmd+=" -c "set ft=${vim_ft}""
  fi

  cmd+=" -c "runtime! syntax/2html.vim" -cwqa "${infile}" > /dev/null"

  # Execute the command
  echo "Command: $cmd"
  eval $cmd

  echo "HTML file written to ${infile}.html"
}