#!/bin/sh

# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2016-present Team LibreELEC (https://libreelec.tv)

if [ $# -lt 1 ]; then
  . /etc/profile

  ADDON_HOME="$HOME/.kodi/userdata/addon_data/service.tvheadend42"
  ADDON_SETTINGS="$ADDON_HOME/settings.xml"
  XML_SETTINGS_VER="$(xmlstarlet sel -t -m settings -v @version $ADDON_SETTINGS)"
  if [ "$XML_SETTINGS_VER" = "2" ]; then
    XMLTV_TYPE="$(xmlstarlet sel -t -v '/settings/setting[@id="XMLTV_TYPE"]' $ADDON_SETTINGS)"
    XMLTV_LOCATION_FILE="$(xmlstarlet sel -t -v '/settings/setting[@id="XMLTV_LOCATION_FILE"]' $ADDON_SETTINGS)"
    XMLTV_LOCATION_WEB="$(xmlstarlet sel -t -v '/settings/setting[@id="XMLTV_LOCATION_WEB"]' $ADDON_SETTINGS | xmlstarlet unesc)"
    XMLTV_LOCATION_SCRIPT="$(xmlstarlet sel -t -v '/settings/setting[@id="XMLTV_LOCATION_SCRIPT"]' $ADDON_SETTINGS)"
  else
    XMLTV_TYPE="$(xmlstarlet sel -t -m '/settings/setting[@id="XMLTV_TYPE"]' -v @value $ADDON_SETTINGS)"
    XMLTV_LOCATION_FILE="$(xmlstarlet sel -t -m '/settings/setting[@id="XMLTV_LOCATION_FILE"]' -v @value $ADDON_SETTINGS)"
    XMLTV_LOCATION_WEB="$(xmlstarlet sel -t -m '/settings/setting[@id="XMLTV_LOCATION_WEB"]' -v @value $ADDON_SETTINGS | xmlstarlet unesc)"
    XMLTV_LOCATION_SCRIPT="$(xmlstarlet sel -t -m '/settings/setting[@id="XMLTV_LOCATION_SCRIPT"]' -v @value $ADDON_SETTINGS)"
  fi

  if [ "$XMLTV_TYPE" = "FILE" ]; then
    case "$XMLTV_LOCATION_FILE" in
      *.gz | *.bz2 | *.xz)
        zcat "$XMLTV_LOCATION_FILE"
        ;;
      *)
        cat "$XMLTV_LOCATION_FILE"
        ;;
    esac
    exit 0
  elif [ "$XMLTV_TYPE" = "SCRIPT" ]; then
    if [ -e "$XMLTV_LOCATION_SCRIPT" ]; then
      exec "$XMLTV_LOCATION_SCRIPT"
    fi
  elif [ "$XMLTV_TYPE" = "WEB" ]; then
    case "$XMLTV_LOCATION_WEB" in
      *.gz | *.bz2 | *.xz)
        wget -qO - "$XMLTV_LOCATION_WEB" | zcat
        ;;
      *)
        wget -qO - "$XMLTV_LOCATION_WEB"
        ;;
    esac
    exit 0
  fi
fi

dflag=
vflag=
cflag=

for a in "$@"; do
  [ "$a" = "-d" -o "$a" = "--description"  ] && dflag=1
  [ "$a" = "-v" -o "$a" = "--version"      ] && vflag=1
  [ "$a" = "-c" -o "$a" = "--capabilities" ] && cflag=1
done

if [ -n "$dflag" ]; then
  echo "tv_grab_file is a simple grabber that can be configured through the addon settings from Kodi"
fi

if [ -n "$vflag" ]; then
  echo "1.0"
fi

if [ -n "$cflag" ]; then
  echo "baseline"
fi
