#!/usr/bin/env bash

srun() { setsid -f "$@"; }
run() { srun "$@" > /dev/null 2> /dev/null; }
run_async() { run "$@" & disown; }

open_by_mimetype() {
  local file="$1";
  local mime=`file "$file" --mime-type -bL`;

  local is_opened=1;

  echo "Opening $file ($mime)...";

  case "$mime" in
    inode/directory)             daffm "$file" ;;

    application/x-bittorrent)    ~/scripts/torrent.sh torrent "$file" ;;

    text/*)                      sensible-editor "$file" ;;
    application/javascript)      sensible-editor "$file" ;;
    application/json)            sensible-editor "$file" ;;
    application/xml)             sensible-editor "$file" ;;
    application/x-*)             sensible-editor "$file" ;;
    *pdf)                        run_async zathura "$file" ;;

    video/*|image/gif)           run_async mpv "$file" ;;
    image/*)                     run_async sxiv "$file" ;;
    audio/*)
      mpc insert "file://$(readlink -e "$file")" && mpc play && \
        echo "Adding song to queue";
    ;;

    *) is_opened=0 ;;
  esac;

  [[ "$is_opened" == 1 ]] && exit 0;
}

open_by_path() {
  local file="$1";

  # Magnet torrent url
  if [[ "$file" =~ ^magnet: ]]; then
    echo "opening magnet link...";
    ~/scripts/torrent.sh magnet "$file";
    exit 0;
  fi;

  # Https? and file urls
  if [[ "$file" =~ ^https?:// ]] || [[ "$file" =~ ^file?:// ]]; then
    echo "opening url $file...";
    run_async sensible-browser "$file";
    exit 0;
  fi;
}


filepath="$1";
[[ -z "$filepath" ]] && exit 1;

open() {
  open_by_path "$filepath";
  open_by_mimetype "$filepath";

  # If it doesn't exit out, it couldn't open the file
  echo "Couldn't open file. Add rule to opener."; exit 1;
}
open;