#!/bin/bash
#variables
RPCS3_emuName="RPCS3"
RPCS3_emuType="$emuDeckEmuTypeAppImage"
RPCS3_emuPath="$emusFolder/rpcs3.AppImage"
RPCS3_emuPathFlatpak="net.rpcs3.RPCS3"
RPCS3_VFSConf="$HOME/.config/rpcs3/vfs.yml"
RPCS3_migrationFlag="$emudeckFolder/.${RPCS3_emuName}MigrationCompleted"
RPCS3_configFile="$HOME/.config/rpcs3/config.yml"

declare -A RPCS3_languages
RPCS3_languages=(
["ja"]=""
["en"]="English (US)"
["fr"]="French"
["de"]="German"
["it"]="Italian"
["es"]="Spanish"
["ko"]="Korean"
["nl"]="Dutch"
["pt"]="Portiguese (Portugal)"
["ru"]="Russian")


#cleanupOlderThings
RPCS3_cleanup(){
	echo "NYI"
}

# RPCS3 Update API
RPCS3_download_link=""
RPCS3_download_link_checksum=""
RPCS3_ApiGetUpdateInfo(){
	RPCS3_download_link=""
	RPCS3_download_link_checksum=""

	local apiUrl="https://update.rpcs3.net/"
	local localFile="$RPCS3_emuPath"
	local currentVersion="$1"
	local apiVersion="v3"
	local osType="linux"
	local osArch="x64"
	local osVersion=$(grep "VERSION_ID" /etc/os-release | cut -d'=' -f2 | tr -d '"')
	local should_return_update=0

	echo "Checking for RPCS3 updates..."

	local response=$(curl -s -G "$apiUrl" \
		--data-urlencode "api=$apiVersion" \
		--data-urlencode "os_type=$osType" \
		--data-urlencode "os_arch=$osArch" \
		--data-urlencode "os_version=$osVersion")

	local return_code=$(echo "$response" | jq '.return_code')

	if [ "$return_code" -eq 1 ]; then
		echo "Newer RPCS3 build found!"
	elif [ "$return_code" -eq 0 ]; then
		echo "Latest RPCS3 build found!" # when not using the $currentVersion (NYI), the API returns 0
	elif [ "$return_code" -eq -3 ]; then
		echo "Illegal search"
		return 1
	elif [ "$return_code" -eq -2 ]; then
		echo "Maintenance mode"
		return 1
	elif [ "$return_code" -eq -1 ]; then
		echo "Current build is not a master build."
		return 1
	else
		echo "Failed to check for updates. Return Code: $return_code"
		return 1
	fi

	#local latest_build=$(echo "$response" | jq -r '.latest_build')
	#echo "Latest Build: $latest_build"

	local download_link=$(echo "$response" | jq -r '.latest_build.linux.download')
	local remote_checksum=$(echo "$response" | jq -r '.latest_build.linux.checksum' | tr '[:upper:]' '[:lower:]')

	# Check if the local file exists
	if [ "$return_code" -eq 0 ]; then
		if [ -f "$localFile" ]; then
			local local_checksum=$(calculate_checksum_sha256 "$localFile" | tr '[:upper:]' '[:lower:]')

			echo "Local Checksum: $local_checksum"
			echo "Remote Checksum: $remote_checksum"

			if [ "$local_checksum" != "$remote_checksum" ]; then
				echo "Checksums differ, returning download link and checksum."
				should_return_update=1
			else
				echo "Checksums match, no need to update."
				return 2
			fi
		else
			echo "Local file not found, returning download link and checksum."
			should_return_update=1
		fi
	else
		should_return_update=1
	fi

	if [ "$should_return_update" -eq 1 ]; then
		echo "Download Link: $download_link"
		echo "Checksum: $remote_checksum"
		RPCS3_download_link="$download_link"
		RPCS3_download_link_checksum="$remote_checksum"
		return 0
	fi

	return 1
}

#Install
RPCS3_install(){
	setMSG "Installing RPCS3"

	# Migrates configurations to RPCS3 AppImage
	RPCS3_migrate

	# Install RPCS3

	local showProgress="$1"

	RPCS3_ApiGetUpdateInfo
	apiGetUpdateInfoResult=$?

	if [ "$apiGetUpdateInfoResult" -eq 0 ] || [ "$apiGetUpdateInfoResult" -eq 2 ]; then
		#if installEmuAI "$RPCS3_emuName" "" "$(getLatestReleaseURLGH "RPCS3/rpcs3-binaries-linux" ".AppImage")" "rpcs3" "" "emulator" "$showProgress"; then #
		if installEmuAI "$RPCS3_emuName" "" "$RPCS3_download_link" "rpcs3" "" "emulator" "$showProgress" "" "" "${RPCS3_download_link_checksum}"; then #
			#echo "RPCS3 installed or updated successfully."
			:
		else
			#echo "RPCS3 installation or update failed."
			return 1
		fi
	else
		#echo "RPCS3 is already up to date or failed to retrieve update information."
		return 1
	fi

	# Preserve flatpak permissions for old RPCS3 Install
	flatpak override net.rpcs3.RPCS3 --filesystem=host --user
}

#ApplyInitialSettings
RPCS3_init(){
	RPCS3_migrate
	configEmuAI "$RPCS3_emuName" "config" "$HOME/.config/rpcs3" "$emudeckBackend/configs/rpcs3" "true"
	RPCS3_setupStorage
	RPCS3_setEmulationFolder
	RPCS3_setupSaves
	#SRM_createParsers
	RPCS3_flushEmulatorLauncher
	RPCS3_setLanguage

}

RPCS3_setLanguage(){
	setMSG "Setting RPCS3 Language"
	local language=$(locale | grep LANG | cut -d= -f2 | cut -d_ -f1)
	local languageOpt="  Language"
	if [ ${RPCS3_languages[$language]+_} ]; then
		newLanguageOpt="${RPCS3_languages[$language]}"
		iniFieldUpdate "$RPCS3_configFile" "" "$languageOpt" "$newLanguageOpt" ": "
	fi
}

#update
RPCS3_update(){
	RPCS3_migrate
	configEmuAI "$RPCS3_emuName" "config" "$HOME/.config/rpcs3" "$emudeckBackend/configs/rpcs3"
	RPCS3_setupStorage
	RPCS3_setEmulationFolder
	RPCS3_setupSaves
	RPCS3_addESConfig
	RPCS3_flushEmulatorLauncher

}

#ConfigurePaths
RPCS3_setEmulationFolder(){
	iniFieldUpdate "$RPCS3_VFSConf" "" "/dev_hdd0/" "$storagePath/rpcs3/dev_hdd0/" ": "
	iniFieldUpdate "$RPCS3_VFSConf" "" "/games/" "$romsPath/ps3/" ": "
}

#SetupSaves
RPCS3_setupSaves(){
	linkToSaveFolder rpcs3 saves "${storagePath}/rpcs3/dev_hdd0/home/00000001/savedata"
	linkToSaveFolder rpcs3 trophy "${storagePath}/rpcs3/dev_hdd0/home/00000001/trophy"
}

#SetupStorage
RPCS3_setupStorage(){
	mkdir -p "$storagePath/rpcs3/"

	if [ ! -d "$storagePath"/rpcs3/dev_hdd0 ] && [ -d "$HOME/.var/app/net.rpcs3.RPCS3/config/rpcs3/" -o -d "$HOME/.config/rpcs3/" ]; then
		echo "RPCS3 HDD does not exist in storage path"

		echo -e ""
		setMSG "Moving RPCS3 HDD to the Emulation/storage folder"
		echo -e ""

		mkdir -p "$storagePath/rpcs3"

		if [ -d "$savesPath/rpcs3/dev_hdd0" ]; then
			mv -f "$savesPath"/rpcs3/dev_hdd0 "$storagePath"/rpcs3/

		elif [ -d "$HOME/.var/app/net.rpcs3.RPCS3/config/rpcs3/dev_hdd0" ]; then
			rsync -av "$HOME/.var/app/net.rpcs3.RPCS3/config/rpcs3/dev_hdd0" "$storagePath"/rpcs3/ && rm -rf "$HOME/.var/app/net.rpcs3.RPCS3/config/rpcs3/dev_hdd0"

		elif [ -d "$HOME/.config/rpcs3/dev_hdd0" ]; then
			rsync -av "$HOME/.config/rpcs3/dev_hdd0" "$storagePath"/rpcs3/ && rm -rf "$HOME/.config/rpcs3/dev_hdd0"
		fi
	fi
}

#WipeSettings
RPCS3_wipe(){
	setMSG "Wiping $RPCS3_emuName settings."
	rm -rf "$HOME/.config/rpcs3"
	rm -rf "$HOME/.cache/rpcs3"
}


#Uninstall
RPCS3_uninstall(){
	setMSG "Uninstalling $RPCS3_emuName."
	uninstallEmuAI "$RPCS3_emuName" "rpcs3" "" "emulator"
	#RPCS3_wipe
}

#setABXYstyle
RPCS3_setABXYstyle(){
	 echo "NYI"
}


#Migrate
RPCS3_migrate(){
	echo "Begin RPCS3 Migration"

	# Migration
	if [ "$(RPCS3_IsMigrated)" != "true" ]; then
		#RPCS3 flatpak to appimage
		#From -- > to
		migrationTable=()
		migrationTable+=("$HOME/.var/app/net.rpcs3.RPCS3/config/rpcs3" "$HOME/.config/rpcs3")

		migrateAndLinkConfig "$RPCS3_emuName" "$migrationTable"
	fi

	echo "true"
}

#WideScreenOn
RPCS3_wideScreenOn(){
	echo "NYI"
}

#WideScreenOff
RPCS3_wideScreenOff(){
	echo "NYI"
}

#BezelOn
RPCS3_bezelOn(){
	echo "NYI"
}

#BezelOff
RPCS3_bezelOff(){
	echo "NYI"
}

#finalExec - Extra stuff
RPCS3_finalize(){
	echo "NYI"
}

RPCS3_IsInstalled(){
	local emuType=$1 # if empty we assume the caller doesn't care what type is installed, so we can check both
	# if flatpak type or no type is requested and we haven't yet migrated, check flatpak installation status
	if ([ "$emuType" == "$emuDeckEmuTypeFlatpak" ] || [ -z "$emuType" ]) && [ "$(RPCS3_IsMigrated)" != "true" ] && [ "$(isFpInstalled "$RPCS3_emuPathFlatpak")" == "true" ]; then
		echo "true"
	# we can stop here if flatpak type was requested - we already migrated and no longer want to care about flatpak and launcher / desktop shortcut updates
	elif [ "$emuType" == "$emuDeckEmuTypeFlatpak" ]; then
		echo "false"
	# appimage check
	elif [ -e "$RPCS3_emuPath" ]; then
		echo "true"
	else
		echo "false"
	fi
}

RPCS3_IsMigrated(){
	if [ -f "$RPCS3_migrationFlag" ]; then
		echo "true"
	else
		echo "false"
	fi
}

RPCS3_resetConfig(){
	RPCS3_init &>/dev/null && echo "true" || echo "false"
}

RPCS3_setResolution(){

	case $rpcs3Resolution in
		"720P") res=100;;
		"1080P") res=150;;
		"1440P") res=200;;
		"4K") res=300;;
		*) echo "Error"; return 1;;
	esac

	RetroArch_setConfigOverride "Resolution Scale:" $res "$RPCS3_configFile"

	sed -i "s|Resolution Scale:=|Resolution Scale:|g" "$RPCS3_configFile"

}

RPCS3_flushEmulatorLauncher(){


	flushEmulatorLaunchers "rpcs3.sh"

}