#!/bin/bash

# THIS IS A CENTRALIZED LOCATION FOR FUNCTIONS, WHICH CAN BE SOURCED WITHOUT RUNNING EXTRA CODE. EXISTING USE OF THESE FUNCTIONS CAN BE REFACTORED TO HERE.

# These functions are original to this file

#=================
# FUNCTION SECTION
#=================

browse() {
  # This function browses for a directory and returns the path chosen
  # USAGE: path_to_be_browsed_for=$(browse $action_text)

  path_selected=false

  while [ $path_selected == false ]
  do
    target="$(zenity --file-selection --title="Choose $1" --directory)"
    if [ $? == 0 ] #yes
    then
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="Directory $target chosen, is this correct?"
      if [ $? == 0 ]
      then
        path_selected=true
        echo $target
        break
      fi
    else
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="No directory selected. Do you want to return to the main menu?"
      if [ $? == 1 ]
      then
        configurator_welcome_dialog
      fi
    fi
  done
}

verify_space() {
  # Function used for verifying adequate space before moving directories around
  # USAGE: verify_space $source_dir $dest_dir
  # Function returns "true" if there is enough space, "false" if there is not

  source_size=$(du -sk $1 | awk '{print $1}')
  source_size=$((source_size+(source_size/10))) # Add 10% to source size for safety
  dest_avail=$(df -k --output=avail $2 | tail -1)

  if [[ $source_size -ge $dest_avail ]]; then
    echo "false"
  else
    echo "true"
  fi
}

move() {
  # Function to move a directory from one parent to another
  # USAGE: move $source_dir $dest_dir

  if [[ $(verify_space $1 $2) ]]; then
    (
      if [[ ! -d $2 ]]; then # Create destination directory if it doesn't already exist
        debug_dialog "mkdir -pv $2"
      fi
      debug_dialog "mv -v -t $2 $1"
    ) |
    zenity --icon-name=net.retrodeck.retrodeck --progress --no-cancel --pulsate --auto-close \
    --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
    --title "RetroDECK Configurator Utility - Move in Progress" \
    --text="Moving directory $1 to new location of $2, please wait."
  else
    zenity --icon-name=net.retrodeck.retrodeck --error --no-wrap \
    --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
    --title "RetroDECK Configurator Utility - Move Directories" \
    --text="The destination directory you have selected does not have enough free space for the files you are trying to move.\n\nPlease select a new destination or free up some space."

    configurator_move_dialog
  fi
}

set_setting_value() {
  # Function for editing settings
  # USAGE: set_setting_value $setting_file $setting_name $new_setting_value $system (needed as different systems use different config file syntax)
  # NOTES: RPCS3 has special conditions, see comments below

  case $4 in

    "retrodeck" )
      sed -i "s%$2=.*%$2=$3%" $1
      ;;

    "retroarch" )
      sed -i "s%$2 = \".*\"%$2 = \"$3\"%" $1
      ;;

    "dolphin" )
      sed -i "s%$2 = .*%$2 = $3%" $1
      ;;

    "duckstation" )
      sed -i "s%$2 = .*%$2 = $3%" $1
      ;;

    "pcsx2" )
      sed -i "s%$2 = .*%$2 = $3%" $1
      ;;

    "ppsspp" )
      sed -i "s%$2 = .*%$2 = $3%" $1
      ;;

    "rpcs3" ) # This does not currently work for settings with a $ in them
      sed -i "s%$2: .*%$2: $3%" $1
      ;;

    "yuzu" )
      yuzu_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
      sed -i "s%$yuzu_setting=.*%$yuzu_setting=$3%" $1
      ;;

    "citra" )
      citra_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
      sed -i "s%$citra_setting=.*%$citra_setting=$3%" $1
      ;;

    "melonds" )
      sed -i "s%$2=.*%$2=$3%" $1
      ;;

    "xemu" )
      sed -i "s%$2 = .*%$2 = $3%" $1
      ;;

    "emulationstation" )
      sed -i "s%$2\" \" value=\".*\"%$2\" \" value=\"$3\"" $1
      ;;

  esac
}

get_setting_name() {
  # Function for getting the setting name from a full setting line from a config file
  # USAGE: get_setting_name $current_setting_line $current_system (needed as different systems use different config file syntax)

  case $2 in

  "retrodeck" )
    echo "$1" | grep -o -P ".*(?=\=)"
    ;;

  "retroarch" )
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "dolphin" ) # Use quotes when passing setting_name, as this config file contains special characters
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "duckstation" )
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "pcsx2" )
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "ppsspp" ) # Use quotes when passing setting_name, as this config file contains spaces
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "rpcs3" ) # Use quotes when passing setting_name, as this config file contains special characters and spaces
    echo "$1" | grep -o -P ".*(?=:)"
    ;;

  "yuzu" ) # Use quotes when passing setting_name, as this config file contains special characters
    yuzu_setting_name=$(sed -e 's%\\%\\\\%g' <<< "$1") # Accomodate for backslashes in setting names
    echo '$yuzu_setting_name' | grep -o -P ".*(?=\=)" | sed -e 's%\\\\%\\%g'
    ;;

  "citra" ) # Use quotes when passing setting_name, as this config file contains special characters
    citra_setting_name=$(sed -e 's%\\%\\\\%g' <<< "$1") # Accomodate for backslashes in setting names
    echo "$citra_setting_name" | grep -o -P ".*(?=\=)" | sed -e 's%\\\\%\\%g'
    ;;

  "melonds" )
    echo "$1" | grep -o -P ".*(?=\=)"
    ;;

  "xemu" )
    echo "$1" | grep -o -P ".*(?= \= )"
    ;;

  "emulationstation" )
    echo '$1' | grep -o -P "(?<=name\=\").*(?=\" value)"
    ;;

esac
}

get_setting_value() {
# Function for getting the current value of a setting from a config file
# USAGE: get_setting_value $setting_file $setting_name $system (needed as different systems use different config file syntax)

case $3 in

  "retrodeck" )
    echo $(grep -o -P "(?<=^$2=).*" $1)
    ;;

  "retroarch" )
    echo $(grep -o -P "(?<=^$2 = \").*(?=\")" $1)
    ;;

  "dolphin" ) # Use quotes when passing setting_name, as this config file contains special characters
    echo $(grep -o -P "(?<=^$2 = ).*" $1)
    ;;

  "duckstation" )
    echo $(grep -o -P "(?<=^$2 = ).*" $1)
    ;;

  "pcsx2" )
    echo $(grep -o -P "(?<=^$2 = ).*" $1)
    ;;

  "ppsspp" ) # Use quotes when passing setting_name, as this config file contains spaces
    echo $(grep -o -P "(?<=^$2 = ).*" $1)
    ;;

  "rpcs3" ) # Use quotes when passing setting_name, as this config file contains special characters and spaces
    echo $(grep -o -P "(?<=^$2: ).*" $1)
    ;;

  "yuzu" ) # Use quotes when passing setting_name, as this config file contains special characters
    yuzu_setting_value=$(sed -e 's%\\%\\\\%g' <<< "$2") # Accomodate for backslashes in setting names
    echo $(grep -o -P "(?<=^$yuzu_setting_value=).*" $1)
    ;;

  "citra" ) # Use quotes when passing setting_name, as this config file contains special characters
    citra_setting_value=$(sed -e 's%\\%\\\\%g' <<< "$2") # Accomodate for backslashes in setting names
    echo $(grep -o -P "(?<=^$citra_setting_value=).*" $1)
    ;;

  "melonds" )
    echo $(grep -o -P "(?<=^$2=).*" $1)
    ;;

  "xemu" )
    echo $(grep -o -P "(?<=^$2 = ).*" $1)
    ;;

  "emulationstation" )
    echo $(grep -o -P "(?<=^$2\" value=\").*(?=\")" $1)
    ;;

esac
}

disable_setting() {
  # This function will add a '#' to the beginning of a defined setting line, disabling it.
  # USAGE: disable_setting $setting_file $setting_name $system

  case $3 in

  "retrodeck" )
    sed -i "s%^$2=%#$2=%" $1
    ;;

  "retroarch" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

  "dolphin" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

  "duckstation" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

  "pcsx2" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

  "ppsspp" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

  "rpcs3" ) # This does not currently work for settings with a $ in them
    sed -i "s%^$2: %#$2: %" $1
    ;;

  "yuzu" )
    yuzu_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
    sed -i "s%^$yuzu_setting=%#$yuzu_setting=%" $1
    ;;

  "citra" )
    citra_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
    sed -i "s%^$citra_setting=%#$citra_setting=%" $1
    ;;

  "melonds" )
    sed -i "s%^$2=%#$2=%" $1
    ;;

  "xemu" )
    sed -i "s%^$2 = %#$2 = %" $1
    ;;

esac
}

enable_setting() {
  # This function will remove a '#' to the beginning of a defined setting line, enabling it.
  # USAGE: enable_setting $setting_file $setting_name $system

  case $3 in

  "retrodeck" )
    sed -i "s%^#$2=%$2=%" $1
    ;;

  "retroarch" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

  "dolphin" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

  "duckstation" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

  "pcsx2" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

  "ppsspp" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

  "rpcs3" ) # This does not currently work for settings with a $ in them
    sed -i "s%^#$2: %$2: %" $1
    ;;

  "yuzu" )
    yuzu_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
    sed -i "s%^#$yuzu_setting=%$yuzu_setting=%" $1
    ;;

  "citra" )
    citra_setting=$(sed -e 's%\\%\\\\%g' <<< "$2") # Acommodate backslashes in setting name
    sed -i "s%^#$citra_setting=%$citra_setting=%" $1
    ;;

  "melonds" )
    sed -i "s%^#$2=%$2=%" $1
    ;;

  "xemu" )
    sed -i "s%^#$2 = %$2 = %" $1
    ;;

esac
}

disable_file() {
  # This function adds the suffix ".disabled" to the end of a file to prevent it from being used entirely.
  # USAGE: disable_file $file_name
  # NOTE: $filename can be a defined variable from global.sh or must have the full path to the file

  mv $(realpath $1) $(realpath $1).disabled
}

enable_file() {
  # This function removes the suffix ".disabled" to the end of a file to allow it to be used.
  # USAGE: enable_file $file_name
  # NOTE: $filename can be a defined variable from global.sh or must have the full path to the file and should not have ".disabled" as a suffix

  mv $(realpath $1.disabled) $(realpath $(echo $1 | sed -e 's/\.disabled//'))
}

conf_write() {
  # writes the variables in the retrodeck config file

  echo "DEBUG: printing the config file content before writing it:"
  cat "$rd_conf"
  echo ""

  echo "Writing the config file: $rd_conf"

  # TODO: this can be optimized with a while and a list of variables to check
  if [ ! -z "$version" ] #if the variable is not null then I update it
  then
    sed -i "s%version=.*%version=$version%" "$rd_conf"
  fi

  if [ ! -z "$rdhome" ]
  then
    sed -i "s%rdhome=.*%rdhome=$rdhome%" "$rd_conf"
  fi

  if [ ! -z "$roms_folder" ]
  then
    sed -i "s%roms_folder=.*%roms_folder=$roms_folder%" "$rd_conf"
  fi

  if [ ! -z "$saves_folder" ]
  then
    sed -i "s%saves_folder=.*%saves_folder=$saves_folder%" "$rd_conf"
  fi

  if [ ! -z "$states_folder" ]
  then
    sed -i "s%states_folder=.*%states_folder=$states_folder%" "$rd_conf"
  fi

  if [ ! -z "$bios_folder" ]
  then
    sed -i "s%bios_folder=.*%bios_folder=$bios_folder%" "$rd_conf"
  fi

  if [ ! -z "$media_folder" ]
  then
    sed -i "s%media_folder=.*%media_folder=$media_folder%" "$rd_conf"
  fi

  if [ ! -z "$themes_folder" ]
  then
    sed -i "s%themes_folder=.*%themes_folder=$themes_folder%" "$rd_conf"
  fi

  if [ ! -z "$sdcard" ]
  then
    sed -i "s%sdcard=.*%sdcard=$sdcard%" "$rd_conf"
  fi
  echo "DEBUG: New contents:"
  cat "$rd_conf"
  echo ""
}

dir_prep() {
  # This script is creating a symlink preserving old folder contents and moving them in the new one

  # Call me with:
  # dir prep "real dir" "symlink location"
  real="$1"
  symlink="$2"

  echo -e "\n[DIR PREP]\nMoving $symlink in $real" #DEBUG

  # if the dest dir exists we want to backup it
  if [ -d "$symlink" ];
  then
    echo "$symlink found" #DEBUG
    mv -fv "$symlink" "$symlink.old"
  fi

  # if the real dir doesn't exist we create it
  if [ ! -d "$real" ];
  then
    echo "$real not found, creating it" #DEBUG
    mkdir -pv "$real"
  fi

  # creating the symlink
  echo "linking $real in $symlink" #DEBUG
  mkdir -pv "$(dirname "$symlink")" # creating the full path except the last folder
  ln -svf "$real" "$symlink"

  # moving everything from the old folder to the new one, delete the old one
  if [ -d "$symlink.old" ];
  then
    echo "Moving the data from $symlink.old to $real" #DEBUG
    mv -fv "$symlink".old/* $real
    echo "Removing $symlink.old" #DEBUG
    rm -rf "$symlink.old"
  fi

  echo -e "$symlink is now $real\n"
}

yuzu_init() {
  echo "----------------------"
  echo "Initializing YUZU"
  echo "----------------------"
  # removing dead symlinks as they were present in a past version
  if [ -d $rdhome/bios/switch ]; then
    find $rdhome/bios/switch -xtype l -exec rm {} \;
  fi
  # initializing the keys folder
  dir_prep "$rdhome/bios/switch/keys" "/var/data/yuzu/keys"
  # initializing the firmware folder
  dir_prep "$rdhome/bios/switch/registered" "/var/data/yuzu/nand/system/Contents/registered"
  # initializing the save folders
  dir_prep "$rdhome/saves/switch/yuzu/nand" "/var/data/yuzu/nand"
  dir_prep "$rdhome/saves/switch/yuzy/sdmc" "/var/data/yuzu/sdmc"
  # configuring Yuzu
  dir_prep "$rdhome/.logs/yuzu" "/var/data/yuzu/log"
  mkdir -pv /var/config/yuzu/
  cp -fvr $emuconfigs/yuzu/* /var/config/yuzu/
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/yuzu/qt-config.ini
  dir_prep "$rdhome/screenshots" "/var/data/yuzu/screenshots"
}

dolphin_init() {
  echo "----------------------"
  echo "Initializing DOLPHIN"
  echo "----------------------"
  mkdir -pv /var/config/dolphin-emu/
  cp -fvr "$emuconfigs/dolphin/"* /var/config/dolphin-emu/
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/dolphin-emu/Dolphin.ini
  dir_prep "$rdhome/saves/gc/dolphin/EUR" "/var/data/dolphin-emu/GC/EUR"
  dir_prep "$rdhome/saves/gc/dolphin/USA" "/var/data/dolphin-emu/GC/USA"
  dir_prep "$rdhome/saves/gc/dolphin/JAP" "/var/data/dolphin-emu/GC/JAP"
  dir_prep "$rdhome/screenshots" "/var/data/dolphin-emu/ScreenShots"
  dir_prep "$rdhome/states" "/var/data/dolphin-emu/StateSaves"
  dir_prep "$rdhome/saves/wii/dolphin" "/var/data/dolphin-emu/Wii/"
}

pcsx2_init() {
  echo "----------------------"
  echo "Initializing PCSX2"
  echo "----------------------"
  mkdir -pv "/var/config/PCSX2/inis"
  mkdir -pv "$rdhome/saves/ps2/pcsx2/memcards"
  mkdir -pv "$rdhome/states/ps2/pcsx2"
  cp -fvr $emuconfigs/PCSX2/* /var/config/PCSX2/inis/
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2_ui.ini
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2.ini
  #dir_prep "$rdhome/states/ps2/pcsx2" "/var/config/PCSX2/sstates"
  #dir_prep "$rdhome/screenshots" "/var/config/PCSX2/snaps"
  #dir_prep "$rdhome/.logs" "/var/config/PCSX2/logs"
  #dir_prep "$rdhome/bios" "$rdhome/bios/pcsx2"
}

melonds_init() {
  echo "----------------------"
  echo "Initializing MELONDS"
  echo "----------------------"
  mkdir -pv /var/config/melonDS/
  mkdir -pv "$rdhome/saves/nds/melonds"
  mkdir -pv "$rdhome/states/nds/melonds"
  dir_prep "$rdhome/bios" "/var/config/melonDS/bios"
  cp -fvr $emuconfigs/melonDS.ini /var/config/melonDS/
  # Replace ~/retrodeck with $rdhome as ~ cannot be understood by MelonDS
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/melonDS/melonDS.ini
}

citra_init() {
  echo "------------------------"
  echo "Initializing CITRA"
  echo "------------------------"
  mkdir -pv /var/config/citra-emu/
  mkdir -pv "$rdhome/saves/n3ds/citra/nand/"
  mkdir -pv "$rdhome/saves/n3ds/citra/sdmc/"
  dir_prep "$rdhome/bios/citra/sysdata" "/var/data/citra-emu/sysdata"
  dir_prep "$rdhome/.logs/citra" "/var/data/citra-emu/log"
  cp -fv $emuconfigs/citra-qt-config.ini /var/config/citra-emu/qt-config.ini
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/citra-emu/qt-config.ini
  #TODO: do the same with roms folders after new variables is pushed (check even the others qt-emu)
  #But actually everything is always symlinked to retrodeck/roms so it might be not needed
  #sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/citra-emu/qt-config.ini
}

rpcs3_init() {
  echo "------------------------"
  echo "Initializing RPCS3"
  echo "------------------------"
  mkdir -pv /var/config/rpcs3/
  cp -fvr $emuconfigs/rpcs3/* /var/config/rpcs3/
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/rpcs3/vfs.yml
}

xemu_init() {
  echo "------------------------"
  echo "Initializing XEMU"
  echo "------------------------"
  mkdir -pv $rdhome/saves/xbox/xemu/
  cp -fv $emuconfigs/xemu.toml /var/data/xemu/xemu.toml
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/data/xemu/xemu.toml
  # Preparing HD dummy Image if the image is not found
  if [ ! -f $rdhome/bios/xbox_hdd.qcow2 ]
  then
    wget "https://github.com/mborgerson/xemu-hdd-image/releases/latest/download/xbox_hdd.qcow2.zip" -P $rdhome/bios/
    unzip -q $rdhome/bios/xbox_hdd.qcow2.zip $rdhome/bios/
    rm -rfv $rdhome/bios/xbox_hdd.qcow2.zip
  fi
}

ppssppsdl_init() {
  echo "------------------------"
  echo "Initializing PPSSPPSDL"
  echo "------------------------"
  mkdir -p /var/config/ppsspp/PSP/SYSTEM/
  cp -fv $emuconfigs/ppssppsdl/* /var/config/ppsspp/PSP/SYSTEM/
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/ppsspp/PSP/SYSTEM/ppsspp.ini
}

duckstation_init() {
  echo "------------------------"
  echo "Initializing DUCKSTATION"
  echo "------------------------"
  mkdir -p /var/config/duckstation/
  cp -fv $emuconfigs/duckstation/* /var/config/duckstation
  sed -i 's#/home/deck/retrodeck/bios#'$rdhome/bios'#g' /var/config/ppsspp/PSP/SYSTEM/settings.ini
}

standalones_init() {
    # This script is configuring the standalone emulators with the default files present in emuconfigs folder

    echo "----------------------"
    echo "Initializing standalone emulators"
    echo "----------------------"

    yuzu_init
    citra_init
    dolphin_init
    melonds_init
    pcsx2_init
    ppssppsdl_init
    rpcs3_init
    xemu_init
    duckstation_init
}

#=========================
# REUSABLE DIALOGS SECTION
#=========================

debug_dialog() {
  # This function is for displaying commands run by the Configurator without actually running them
  # USAGE: debug_dialog "command"

  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility - Debug Dialog" \
  --text="$1"
}

configurator_process_complete_dialog() {
  # This dialog shows when a process is complete.
  # USAGE: configurator_process_complete_dialog "process text"
  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --ok-label="Quit" --extra-button="OK" \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility - Process Complete" \
  --text="The process of $1 is now complete.\n\nYou may need to quit and restart RetroDECK for your changes to take effect\n\nClick OK to return to the Main Menu or Quit to return to RetroDECK."

  if [ ! $? == 0 ] # OK button clicked
  then
      configurator_welcome_dialog
  fi
}

configurator_generic_dialog() {
  # This dialog is for showing temporary messages before another process happens.
  # USAGE: configurator_generid_dialog "info text"
  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility" \
  --text="$1"
}

configurator_destination_choice_dialog() {
  # This dialog is for making things easy for new users to move files to common locations. Gives the options for "Internal", "SD Card" and "Custom" locations.
  # USAGE: $(configurator_destination_choice_dialog "folder being moved" "action text")
  # This function returns one of the values: "Back" "Internal Storage" "SD Card" "Custom Location"
  choice=$(zenity --title "RetroDECK Configurator Utility - Moving $1 folder" --info --no-wrap --ok-label="Back" --extra-button="Internal Storage" --extra-button="SD Card" --extra-button="Custom Location" \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --text="$2")

  echo $choice
}

#=========================
# LEGACY FUNCTIONS SECTION
#=========================

# These functions were pulled from retrodeck.sh or global.sh and should be consolidated eventually

tools_init() {
  rm -rfv /var/config/retrodeck/tools/
  mkdir -pv /var/config/retrodeck/tools/
  cp -rfv /app/retrodeck/tools/* /var/config/retrodeck/tools/
  mkdir -pv /var/config/emulationstation/.emulationstation/custom_systems/tools/
  rm -rfv /var/config/retrodeck/tools/gamelist.xml
  cp -fv /app/retrodeck/tools-gamelist.xml /var/config/retrodeck/tools/gamelist.xml
}

ra_init() {
  dir_prep "$rdhome/bios" "/var/config/retroarch/system"
  dir_prep "$rdhome/.logs/retroarch" "/var/config/retroarch/logs"
  mkdir -pv /var/config/retroarch/shaders/
  cp -rfv /app/share/libretro/shaders /var/config/retroarch/
  dir_prep "$rdhome/shaders/retroarch" "/var/config/retroarch/shaders"
  mkdir -pv /var/config/retroarch/cores/
  cp -f /app/share/libretro/cores/* /var/config/retroarch/cores/
  cp -fv $emuconfigs/retroarch.cfg /var/config/retroarch/
  cp -fv $emuconfigs/retroarch-core-options.cfg /var/config/retroarch/
  cp -rfv $emuconfigs/retroarch-core-overrides/* /var/config/retroarch/config
  #rm -rf $rdhome/bios/bios # in some situations a double bios symlink is created
  sed -i 's#~/retrodeck#'$rdhome'#g' /var/config/retroarch/retroarch.cfg

  # PPSSPP
  echo "--------------------------------"
  echo "Initializing PPSSPP_LIBRETRO"
  echo "--------------------------------"
  if [ -d $rdhome/bios/PPSSPP/flash0/font ]
  then
    mv -fv $rdhome/bios/PPSSPP/flash0/font $rdhome/bios/PPSSPP/flash0/font.bak
  fi
  mkdir -p $rdhome/bios/PPSSPP
  #if [ ! -f "$rdhome/bios/PPSSPP/ppge_atlas.zim" ]
  #then
    wget "https://github.com/hrydgard/ppsspp/archive/refs/heads/master.zip" -P $rdhome/bios/PPSSPP
    unzip -q "$rdhome/bios/PPSSPP/master.zip" -d $rdhome/bios/PPSSPP/
    mv "$rdhome/bios/PPSSPP/ppsspp-master/assets/"* "$rdhome/bios/PPSSPP/"
    rm -rfv "$rdhome/bios/PPSSPP/master.zip"
    rm -rfv "$rdhome/bios/PPSSPP/ppsspp-master"
  #fi
  if [ -d $rdhome/bios/PPSSPP/flash0/font.bak ]
  then
    mv -fv $rdhome/bios/PPSSPP/flash0/font.bak $rdhome/bios/PPSSPP/flash0/font
  fi

  # MSX / SVI / ColecoVision / SG-1000
  echo "-----------------------------------------------------------"
  echo "Initializing MSX / SVI / ColecoVision / SG-1000 LIBRETRO"
  echo "-----------------------------------------------------------"
  wget "http://bluemsx.msxblue.com/rel_download/blueMSXv282full.zip" -P $rdhome/bios/MSX
  unzip -q "$rdhome/bios/MSX/blueMSXv282full.zip" $rdhome/bios/MSX
  mv -rfv $rdhome/bios/MSX/Databases $rdhome/bios/Databases
  mv -rfv $rdhome/bios/MSX/Machines $rdhome/bios/Machines
  rm -rfv $rdhome/bios/MSX
}

create_lock() {
  # creating RetroDECK's lock file and writing the version in the config file
  version=$hard_version
  touch "$lockfile"
  conf_write
}

post_update() {
  # post update script
  echo "Executing post-update script"

  # Finding existing ROMs folder
  if [ -d "$default_sd/retrodeck" ]
  then
    # ROMs on SD card
    roms_folder="$default_sd/retrodeck/roms"
    if [[ ! -L $rdhome && ! -L $rdhome/roms ]]; then # Add a roms folder symlink back to ~/retrodeck if missing, to fix things like PS2 autosaves until user migrates whole ~retrodeck directory
      ln -s $roms_folder $rdhome/roms
    fi
  else
    # ROMs on Internal
    roms_folder="$HOME/retrodeck/roms"
  fi
  echo "ROMs folder found at $roms_folder"

  # Unhiding downloaded media from the previous versions
  if [ -d "$rdhome/.downloaded_media" ]
  then
    mv -fv "$rdhome/.downloaded_media" "$media_folder"
  fi

  # Unhiding themes folder from the previous versions
  if [ -d "$rdhome/.themes" ]
  then
    mv -fv "$rdhome/.themes" "$themes_folder"
  fi

  # Doing the dir prep as we don't know from which version we came
  dir_prep "$media_folder" "/var/config/emulationstation/.emulationstation/downloaded_media"
  dir_prep "$themes_folder" "/var/config/emulationstation/.emulationstation/themes"
  mkdir -pv $rdhome/.logs #this was added later, maybe safe to remove in a few versions


  # Resetting es_settings, now we need it but in the future I should think a better solution, maybe with sed
  cp -fv /app/retrodeck/es_settings.xml /var/config/emulationstation/.emulationstation/es_settings.xml


  # 0.4 -> 0.5
  # Perform save and state migration if needed

  # Moving PCSX2 Saves
  mv -fv /var/config/PCSX2/sstates/* $rdhome/states/ps2/pcsx2
  mv -fv /var/config/PCSX2/memcards/* $rdhome/saves/ps2/memcards

  # Moving Citra saves from legacy location to 0.5.0b structure

  mv -fv $rdhome/saves/Citra/* $rdhome/saves/n3ds/citra
  rmdir $rdhome/saves/Citra # Old folder cleanup

  versionwheresaveschanged="0.4.5b" # Hardcoded break point between unsorted and sorted saves

  if [[ $(sed -e "s/\.//g" <<< $hard_version) > $(sed -e "s/\.//g" <<< $versionwheresaveschanged) ]] && [[ ! $(sed -e "s/\.//g" <<< $version) > $(sed -e "s/\.//g" <<< $versionwheresaveschanged) ]]; then # Check if user is upgrading from the version where save organization was changed. Try not to reuse this, it things 0.4.5b is newer than 0.4.5
    migration_logfile=$rdhome/.logs/savemove_"$(date +"%Y_%m_%d_%I_%M_%p").log"
    save_backup_file=$rdhome/savebackup_"$(date +"%Y_%m_%d_%I_%M_%p").zip"
    state_backup_file=$rdhome/statesbackup_"$(date +"%Y_%m_%d_%I_%M_%p").zip"

    zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" \
      --text="You are updating to a version of RetroDECK where save file locations have changed!\n\nYour existing files will be backed up for safety and then sorted automatically.\n\nIf a file cannot be sorted automatically it will remain where it is for manual sorting.\n\nPLEASE BE PATIENT! This process can take several minutes if you have a large ROM library."

    allgames=($(find "$roms_folder" -maxdepth 2 -mindepth 2 ! -name "systeminfo.txt" ! -name "systems.txt" ! -name "gc" ! -name "n3ds" ! -name "nds" ! -name "wii" ! -name "xbox" ! -name "*^*" | sed -e "s/ /\^/g")) # Build an array of all games and multi-disc-game-containing folders, adding whitespace placeholder

    allsaves=($(find "$saves_folder" -mindepth 1 -maxdepth 1 -name "*.*" ! -name "gc" ! -name "n3ds" ! -name "nds" ! -name "wii" ! -name "xbox"  | sed -e "s/ /\^/g")) # Build an array of all save files, ignoring standalone emulator sub-folders, adding whitespace placeholder

    allstates=($(find "$states_folder" -mindepth 1 -maxdepth 1 -name "*.*" ! -name "gc" ! -name "n3ds" ! -name "nds" ! -name "wii" ! -name "xbox"  | sed -e "s/ /\^/g")) # Build an array of all state files, ignoring standalone emulator sub-folders, adding whitespace placeholder

    totalsaves=${#allsaves[@]}
    totalstates=${#allstates[@]}
    filesleft=
    current_dest_folder=
    gamestoskip=

    tar -C $rdhome -czf $save_backup_file saves # Backup save directory for safety
    echo "Saves backed up to" $save_backup_file >> $migration_logfile
    tar -C $rdhome -czf $state_backup_file states # Backup state directory for safety
    echo "States backed up to" $state_backup_file >> $migration_logfile

    (
    movefile() { # Take matching save and rom files and sort save into appropriate system folder
      echo "# $filesleft $currentlybeingmoved remaining..." # These lines update the Zenity progress bar
      progress=$(( 100 - (( 100 / "$totalfiles" ) * "$filesleft" )))
      echo $progress
      filesleft=$((filesleft-1))
      if [[ ! " ${gamestoskip[*]} " =~ " ${1} " ]]; then # If the current game name exists multiple times in array ie. /roms/snes/Mortal Kombat 3.zip and /roms/genesis/Mortal Kombat 3.zip, skip and alert user to sort manually
        game=$(sed -e "s/\^/ /g" <<< "$1") # Remove whitespace placeholder
        gamebasename=$(basename "$game" | sed -e 's/\..*//') # Extract pure file name ie. /roms/snes/game1.zip becomes game1
        systemdir="$(basename "$(dirname "$1")")" # Extract parent directory identifying system ROM belongs to
        matches=($(find "$roms_folder" -maxdepth 2 -mindepth 2 -name "$gamebasename"".*" | sed -e 's/ /^/g' | sed -e 's/\..*//')) # Search for multiple instances of pure game name, adding to skip list if found
        if [[ ${#matches[@]} -gt 1 ]]; then
          echo "ERROR: Multiple ROMS found with name:" $gamebasename "Please sort saves and states for these ROMS manually" >> $migration_logfile
          gamestoskip+=("$1")
          return
        fi
        echo "INFO: Examining ROM file:" "$game" >> $migration_logfile
        echo "INFO: System detected as" $systemdir >> $migration_logfile
        sosfile=$(sed -e "s/\^/ /g" <<< "$2") # Remove whitespace placeholder from s-ave o-r s-tate file
        sospurebasename="$(basename "$sosfile")" # Extract pure file name ie. /saves/game1.sav becomes game1
        echo "INFO: Current save or state being examined for match:" $sosfile >> $migration_logfile
        echo "INFO: Matching save or state" $sosfile "and game" $game "found." >> $migration_logfile
        echo "INFO: Moving save or state to" $current_dest_folder"/"$systemdir"/"$sosbasename >> $migration_logfile
        if [[ ! -d $current_dest_folder"/"$systemdir ]]; then # If system directory doesn't exist for save yet, create it
          echo "WARNING: Creating missing system directory" $current_dest_folder"/"$systemdir
          mkdir $current_dest_folder/$systemdir
        fi
        mv "$sosfile" -t $current_dest_folder/$systemdir # Move save to appropriate system directory
        return
      else
        echo "WARNING: Game with name" "$(basename "$1" | sed -e "s/\^/ /g")" "already found. Skipping to next game..." >> $migration_logfile # Inform user of game being skipped due to duplicate ROM names
      fi
    }

    find "$roms_folder" -mindepth 2 -maxdepth 2 -name "*\^*" -exec echo "ERROR: Game named" {} "found, please move save manually" \; >> $migration_logfile # Warn user if any of their files have the whitespace replacement character used by the script

    totalfiles=$totalsaves #set variables for save file migration
    filesleft=$totalsaves
    currentlybeingmoved="saves"
    current_dest_folder=$saves_folder

    for i in "${allsaves[@]}"; do # For each save file, compare to every ROM file name looking for a match
      found=
      currentsave=($(basename "$i" | sed -e 's/\..*//')) # Extract pure file name ie. /saves/game1.sav becomes game1
      for j in "${allgames[@]}"; do
        currentgame=($(basename "$j" | sed -e 's/\..*//')) # Extract pure file name ie. /roms/snes/game1.zip becomes game1
        [[ $currentgame == $currentsave ]] && { found=1; break; } # If names match move to next stage, otherwise skip
      done
      [[ -n $found ]] && movefile $j $i || echo "ERROR: No ROM match found for save file" $i | sed -e 's/\^/ /g' >> $migration_logfile # If a match is found, run movefile() otherwise warn user of stranded save file
    done

    totalfiles=$totalstates #set variables for state file migration
    filesleft=$totalstates
    currentlybeingmoved="states"
    current_dest_folder=$states_folder

    for i in "${allstates[@]}"; do # For each state file, compare to every ROM file name looking for a match
      found=
      currentstate=($(basename "$i" | sed -e 's/\..*//')) # Extract pure file name ie. /states/game1.sav becomes game1
      for j in "${allgames[@]}"; do
        currentgame=($(basename "$j" | sed -e 's/\..*//')) # Extract pure file name ie. /roms/snes/game1.zip becomes game1
        [[ $currentgame == $currentstate ]] && { found=1; break; } # If names match move to next stage, otherwise skip
      done
      [[ -n $found ]] && movefile $j $i || echo "ERROR: No ROM match found for state file" $i | sed -e 's/\^/ /g' >> $migration_logfile # If a match is found, run movefile() otherwise warn user of stranded state file
    done

    ) |
    zenity --progress \
    --icon-name=net.retrodeck.retrodeck \
    --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
    --title="Processing Files" \
    --text="# files remaining..." \
    --percentage=0 \
    --no-cancel \
    --auto-close

    if [[ $(cat $migration_logfile | grep "ERROR" | wc -l) -eq 0 ]]; then
      zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" \
      --text="The migration process has sorted all of your files automatically.\n\nEverything should be working normally, if you experience any issues please check the RetroDECK wiki or contact us directly on the Discord."

    else
      cat $migration_logfile | grep "ERROR" > "$rdhome/manual_sort_needed.log"
      zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" \
      --text="The migration process was unable to sort $(cat $migration_logfile | grep "ERROR" | wc -l) files automatically.\n\nThese files will need to be moved manually to their new locations, find more detail on the RetroDECK wiki.\n\nA log of the files that need manual sorting can be found at $rdhome/manual_sort_needed.log"
    fi

  else
    echo "Version" $version "is after the save and state organization was changed, no need to sort again"
  fi

  (
  ra_init
  standalones_init
  tools_init
  ) |
  zenity --icon-name=net.retrodeck.retrodeck --progress --no-cancel --pulsate --auto-close \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Finishing Upgrade" \
  --text="RetroDECK is finishing the upgrade process, please wait."

  create_lock
}

start_retrodeck() {
  # normal startup
  echo "Starting RetroDECK v$version"
  emulationstation --home /var/config/emulationstation
}

old_browse(){
  # Function for browsing the sd card
  path_selected=false
    while [ $path_selected == false ]
    do
      sdcard="$(zenity --file-selection --title="Choose SD card location" --directory)"
      echo "Path chosen: $sdcard, answer=$?"
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" \
      --cancel-label="No" \
      --ok-label "Yes" \
      --text="Your rom folder will be:\n\n$sdcard/retrodeck/roms\n\nis that ok?"
      if [ $? == 0 ] #yes
      then
        path_selected == true
        roms_folder="$sdcard/retrodeck/roms"
        break
      else
        zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" --text="Do you want to quit?"
        if [ $? == 0 ] # yes, quit
        then
          exit 0
        fi
      fi
    done
}

finit() {
  # Force/First init, depending on the situation

  echo "Executing finit"

  # Internal or SD Card?
  choice=$(configurator_destination_choice_dialog "ROMs" "Welcome to the first configuration of RetroDECK.\nThe setup will be quick but please READ CAREFULLY each message in order to avoid misconfigurations.\n\nWhere do you want your roms folder to be located?" )
  echo "Choice is $choice"

  case $choice in

  "" ) # Cancel or X button quits
    echo "Now quitting"
    exit 0
  ;;

  "Internal Storage" ) # Internal
    echo "Internal selected"
    roms_folder="$rdhome/roms"
  ;;

  "SD Card" )
    echo "SD Card selected"
    if [ ! -d "$sdcard" ] # SD Card path is not existing
    then
      echo "Error: SD card not found"
      zenity --question --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" --cancel-label="Cancel" \
      --ok-label "Browse" \
      --text="SD Card was not find in the default location.\nPlease choose the SD Card root.\nA retrodeck/roms folder will be created starting from the directory that you selected."
      old_browse # Calling the browse function
    elif [ ! -w "$sdcard" ] #SD card found but not writable
      then
        echo "Error: SD card found but not writable"
        zenity --error --no-wrap \
        --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
        --title "RetroDECK" \
        --ok-label "Quit" \
        --text="SD card was found but is not writable\nThis can happen with cards formatted on PC.\nPlease format the SD card through the Steam Deck's Game Mode and run RetroDECK again."
        echo "Now quitting"
        exit 0
    else
      roms_folder="$sdcard/retrodeck/roms"    # sdcard variable is correct as its given by browse function
      echo "ROMs folder = $roms_folder"
    fi
  ;;

  esac

  mkdir -pv $roms_folder

  # TODO: after the next update of ES-DE this will not be needed
  #zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --text="EmulationStation will now initialize the system.\nPlease DON'T EDIT THE ROMS LOCATION, just select:\n\nCREATE DIRECTORIES\nYES\nOK\nQUIT\n\nRetroDECK will manage the rest."
  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --text="RetroDECK will now install the needed files.\nPlease wait up to one minute,\nanother message will notify when the process will be finished.\n\nPress OK to continue."

  # Recreating the folder
  rm -rfv /var/config/emulationstation/
  rm -rfv /var/config/retrodeck/tools/
  mkdir -pv /var/config/emulationstation/

  # Initializing ES-DE
  # TODO: after the next update of ES-DE this will not be needed - let's test it
  emulationstation --home /var/config/emulationstation --create-system-dirs

  mkdir -pv /var/config/retrodeck/tools/

  #zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --text="RetroDECK will now install the needed files.\nPlease wait up to one minute,\nanother message will notify when the process will be finished.\n\nPress OK to continue."

  # Initializing ROMs folder - Original in retrodeck home (or SD Card)
  dir_prep $roms_folder "/var/config/emulationstation/ROMs"

  mkdir -pv $rdhome/saves
  mkdir -pv $rdhome/states
  mkdir -pv $rdhome/screenshots
  mkdir -pv $rdhome/bios/pico8
  mkdir -pv $rdhome/.logs

  # XMLSTARLET HERE
  cp -fv /app/retrodeck/es_settings.xml /var/config/emulationstation/.emulationstation/es_settings.xml

  # ES-DE preparing themes and scraped folders
  dir_prep "$rdhome/downloaded_media" "/var/config/emulationstation/.emulationstation/downloaded_media"
  dir_prep "$rdhome/themes" "/var/config/emulationstation/.emulationstation/themes"

  # PICO-8
  dir_prep "$roms_folder/pico8" "$rdhome/bios/pico8/bbs/carts" #this is the folder where pico-8 is saving the carts

  (
  ra_init
  standalones_init
  tools_init
  ) |
  zenity --icon-name=net.retrodeck.retrodeck --progress --no-cancel --pulsate --auto-close \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Finishing Upgrade" \
  --text="RetroDECK is finishing the upgrade process, please wait."
  create_lock

  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK" \
  --text="Installation completed.\nPlease put your roms in:\n\n$roms_folder\n\nand your bioses in\n\n$rdhome/bios\n\nThen start the program again.\nIf you wish to change the roms location, you may use the tool located the tools section of RetroDECK.\n\nIMPORTANT NOTES:\n- RetroDECK must be manually added and launched from your Steam Library in order to work correctly.\n- It's recommended to use the 'RetroDECK Offical Controller Config' from Steam (under community layouts).\n- It's suggested to use BoilR to automatically add the SteamGridDB images to Steam (this will be automated soon).\nhttps://github.com/PhilipK/BoilR"
  # TODO: Replace the stuff above with BoilR code when ready
}