#!/bin/bash

# Steam Deck SD path: /run/media/mmcblk0p1

is_mounted() {
    mount | awk -v DIR="$1" '{if ($3 == DIR) { exit 0}} ENDFILE{exit -1}'
}

# if we got the .lock file it means that it's not a first run
if [ ! -f ~/retrodeck/.lock ]
then
	kdialog --title "RetroDECK" --yes-label "Yes" --no-label "Quit" --yesno "Welcome to the first configuration of RetroDECK.\n\nBefore starting, are you in Desktop Mode?\nIf not the program will quit as the first setup MUST be done in Desktop Mode."
	if [ $? == 1 ] #quit
    then
		exit 0
	fi
    kdialog --title "RetroDECK" --yes-label "Internal" --no-label "SD Card" --yesno "Where do you want your roms folder to be located?"
    if [ $? == 0 ] #yes - Internal
    then
        roms_folder=~/retrodeck/roms
    else #no - SD Card
        if is_mounted "/run/media/mmcblk0p1"
        then
            roms_folder=/run/media/mmcblk0p1/retrodeck/roms
            mkdir -p /run/media/mmcblk0p1/retrodeck/
        else
            kdialog --title "RetroDECK" --error "SD Card is not readable, please check if it inserted or mounted correctly and run RetroDECK again."
            exit 0
        fi
    fi

    # initializing ES-DE

    mkdir -p /var/config/retrodeck/tools

    # Cleaning
    rm -rf /var/config/emulationstation/
    rm ~/retrodeck/bios
    rm /var/config/retrodeck/tools/*

    kdialog --title "RetroDECK" --msgbox "EmulationStation will now initialize the system, please don't edit the roms location, just select:\n\nCREATE DIRECTORIES, YES, QUIT\n\nRetroDECK will manage the rest."

    mkdir -p /var/config/emulationstation/

    emulationstation --home /var/config/emulationstation

	kdialog --title "RetroDECK" --msgbox "RetroDECK will now install the needed files, please wait one minute, another message will notify when the process will be finished.\n\nPress OK to continue."

    mv /var/config/emulationstation/ROMs /var/config/emulationstation/ROMs.bak
    ln -s $roms_folder /var/config/emulationstation/ROMs
    mv /var/config/emulationstation/ROMs.bak $roms_folder

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

    mkdir -p ~/retrodeck/saves
    mkdir -p ~/retrodeck/states
    mkdir -p ~/retrodeck/screenshots

    cp -r /app/retrodeck/tools/* /var/config/retrodeck/tools

    mkdir -p /var/config/retroarch/system
    ln -s ~/.var/app/com.xargon.retrodeck/config/retroarch/system ~/retrodeck/bios

    cp /app/retrodeck/retrodeck-retroarch.cfg /var/config/retroarch/retroarch.cfg

    mkdir -p /var/config/emulationstation/.emulationstation/custom_systems/tools/
    cp /app/retrodeck/tools-gamelist.xml /var/config/emulationstation/.emulationstation/custom_systems/tools/gamelist.xml

    mkdir -p /var/config/retroarch/cores/
    cp /app/share/libretro/cores/* /var/config/retroarch/cores/

    touch ~/retrodeck/.lock

    kdialog --title "RetroDECK" --msgbox "Initialization completed.\nplease put your roms in:\n\n$roms_folder.\n\nIf you wish to change the roms location, you may use the tool located the tools section of RetroDECK."
else
    emulationstation --home /var/config/emulationstation
fi