#!/bin/bash

# This file is containing some global function needed for the script such as the config file tools

source /app/libexec/functions.sh

# Static variables
rd_conf="/var/config/retrodeck/retrodeck.cfg"              # RetroDECK config file path
emuconfigs="/app/retrodeck/emu-configs"                    # folder with all the default emulator configs
lockfile="/var/config/retrodeck/.lock"                     # where the lockfile is located
default_sd="/run/media/mmcblk0p1"                          # Steam Deck SD default path
hard_version="$(cat '/app/retrodeck/version')"             # hardcoded version (in the readonly filesystem)

# Config files for emulators with single config files

citraconf="/var/config/citra-emu/qt-config.ini"
melondsconf="/var/config/melonDS/melonDS.ini"
rpcs3conf="/var/config/rpcs3/config.yml"
yuzuconf="/var/config/yuzu/qt-config.ini"

# ES-DE config files

es_settings="/var/config/emulationstation/.emulationstation/es_settings.xml"

# RetroArch config files

raconf="/var/config/retroarch/retroarch.cfg"
ra_core_conf="/var/config/retroarch/retroarch-core-options.cfg"

# Dolphin config files

dolphinconf="/var/config/dolphin-emu/Dolphin.ini"
dolphingcpadconf="/var/config/dolphin-emu/GCPadNew.ini"
dolphingfxconf="/var/config/dolphin-emu/GFX.ini"
dolphinhkconf="/var/config/dolphin-emu/Hotkeys.ini"
dolphinqtconf="/var/config/dolphin-emu/Qt.ini"

# PCSX2 config files

pcsx2conf="/var/config/PCSX2/inis/GS.ini"
pcsx2uiconf="/var/config/PCSX2/inis/PCSX2_ui.ini"
pcsx2vmconf="/var/config/PCSX2/inis/PCSX2_vm.ini"

# PCSX2-QT config file

pcsx2qtconf="/var/config/PCSX2/inis/PCSX2.ini"

# We moved the lockfile in /var/config/retrodeck in order to solve issue #53 - Remove in a few versions
if [ -f "$HOME/retrodeck/.lock" ]
then
  mv "$HOME/retrodeck/.lock" $lockfile
fi

# If there is no config file I initalize the file with the the default values
if [ ! -f "$rd_conf" ]
then
  mkdir -p /var/config/retrodeck
  echo "RetroDECK config file not found in $rd_conf"
  echo "Initializing"
  # if we are here means that the we are in a new installation, so the version is valorized with the hardcoded one
  # Initializing the variables
  if [ -z $version]; then
    if [[ $(cat $lockfile) == *"0.4."* ]] || [[ $(cat $lockfile) == *"0.3."* ]] || [[ $(cat $lockfile) == *"0.2."* ]] || [[ $(cat $lockfile) == *"0.1."* ]]; then # If the previous version is very out of date, pre-rd_conf
      echo "Running version workaround"
      version=$(cat $lockfile)
    else
      version="$hard_version"
    fi
  fi

  # Check if SD card path has changed from SteamOS update
  if [[ ! -d $default_sd && "$(ls -A /run/media/deck/)" ]]; then
    configurator_generic_dialog "The SD card was not found in the expected location.\nThis may happen when SteamOS is updated.\n\nPlease browse to the current location of the SD card.\n\nIf you are not using an SD card, please click \"Cancel\"."
    default_sd=$(browse "SD Card Location")
  fi

  rdhome="$HOME/retrodeck"                                   # the retrodeck home, aka ~/retrodeck
  roms_folder="$rdhome/roms"                                 # the default roms folder path
  saves_folder="$rdhome/saves"                               # the default saves folder path
  states_folder="$rdhome/states"                             # the default states folder path
  bios_folder="$rdhome/bios"                                 # the default bios folder
  media_folder="$rdhome/downloaded_media"                    # the media folder, where all the scraped data is downloaded into
  themes_folder="$rdhome/themes"                             # the themes folder
  sdcard="$default_sd"                                       # Steam Deck SD default path

  # Writing the variables for the first time
  echo '#!/bin/bash'                          >> $rd_conf
  echo "version=$version"                     >> $rd_conf
  echo "rdhome=$rdhome"                       >> $rd_conf
  echo "roms_folder=$roms_folder"             >> $rd_conf
  echo "saves_folder=$saves_folder"           >> $rd_conf
  echo "states_folder=$states_folder"         >> $rd_conf
  echo "bios_folder=$bios_folder"             >> $rd_conf
  echo "media_folder=$media_folder"           >> $rd_conf
  echo "themes_folder=$themes_folder"         >> $rd_conf
  echo "sdcard=$sdcard"                       >> $rd_conf

  echo "Setting config file permissions"
  chmod +rw $rd_conf

# If the config file is existing i just read the variables (source it)
else
  echo "Found RetroDECK config file in $rd_conf"
  echo "Loading it"
  source "$rd_conf"

  # Update SD card path if changed from SteamOS update
  if [[ ! -d $sdcard && "$(ls -A /run/media/deck/)" ]]; then
    prev_sd_path=$sdcard
    configurator_generic_dialog "The SD card was not found in the expected location.\nThis may happen when SteamOS is updated.\n\nPlease browse to the current location of the SD card.\n\nIf you are not using an SD card, please click \"Cancel\"."
    new_sd_path=$(browse "SD Card Location")
    sed -i 's#'$prev_sd_path'#'$new_sd_path'#g' $rd_conf
    source "$rd_conf"
    emulators_post_move
  fi
fi