#!/bin/bash
source $HOME/.config/EmuDeck/backend/functions/all.sh
emulatorInit "yuzu"

emuName="yuzu" #parameterize me
useEAifFound="true" # set to false to simply use the newest file found
emufolder="$HOME/Applications" # has to be applications for ES-DE to find it
emuDontUpdate="$HOME/emudeck/${emuName}.noupdate"
Yuzu_emuPath="$HOME/Applications/yuzu.AppImage"
YuzuEA_emuPath="$HOME/Applications/yuzu-ea.AppImage"
YuzuEA_tokenFile="$HOME/emudeck/yuzu-ea-token.txt"
YuzuEA_lastVerFile="$HOME/emudeck/yuzu-ea.ver"
Yuzu_lastVerFile="$HOME/emudeck/yuzu.ver"
showProgress="true"

#source the helpers for safeDownload
. "$HOME/.config/EmuDeck/backend/functions/helperFunctions.sh"

#force ea if available
if [ "$useEAifFound" = "true" ]; then
	emuExeFile=$(find "$emufolder" -iname "${emuName}-ea*.AppImage" | sort -n | cut -d' ' -f 2- | tail -n 1 2>/dev/null)
fi
if [[ ! $emuExeFile =~ "AppImage" ]]; then
	#find the most recent yuzu*.AppImage by creation date
	emuExeFile=$(find "$emufolder" -iname "${emuName}*.AppImage" | sort -n | cut -d' ' -f 2- | tail -n 1 2>/dev/null)
fi
if [[ ! $emuExeFile =~ "AppImage" ]]; then
	 zenity --info --title="Yuzu AppImage not found!" --width 200 --text "Please check that you have the appimage in ~/Applications or \nrerun Emudeck and ensure it is installed." 2>/dev/null
fi
isMainline=true
if [ ! "$emuExeFile" = "$emufolder/$emuName.AppImage" ]; then
	isMainline=false
fi

echo "Detected exe: $emuExeFile"

#if launched without parameters we can check for updates.
if [ -z "$1" ];then
	#check for noupdate flag
	if [ ! -e "${emuDontUpdate}" ]; then

		#check if we are running mainline so we can offer to update
		if [ "$isMainline" = true ]; then
			echo "Yuzu mainline detected, checking connectivity"
			if curl --output /dev/null --silent --head --fail https://github.com; then
				echo 'Internet available. Check for Update'
				yuzuHost="https://api.github.com/repos/yuzu-emu/yuzu-mainline/releases/latest"
				metaData=$(curl -fSs ${yuzuHost})
				fileToDownload=$(echo ${metaData} | jq -r '.assets[] | select(.name|test(".*.AppImage$")).browser_download_url')
				currentVer=$(echo ${metaData} | jq -r '.tag_name')


				if [ "$currentVer" = "$(cat ${Yuzu_lastVerFile})" ] ;then
				echo "no need to update."
				elif [ -z "$currentVer" ] ;then
					echo "couldn't get metadata."
				else
					zenity --question --title="Yuzu update available!" --width 200 --text "Yuzu ${currentVer} available. Would you like to update?" --ok-label="Yes" --cancel-label="No" 2>/dev/null
					if [ $? = 0 ]; then
						echo "download ${currentVer} appimage: ${fileToDownload}"

						if safeDownload "$emuName" "${fileToDownload}" "$Yuzu_emuPath" "$showProgress"; then
							chmod +x "$emufolder/$emuName.AppImage"
							echo "latest version $currentVer > $Yuzu_lastVerFile"
							echo "${currentVer}" > "${Yuzu_lastVerFile}"
						else
							zenity --error --text "Error updating yuzu!" --width=250 2>/dev/null
						fi
					fi
				fi
			else
				echo 'Offline'
			fi
		else
			#if not running mainline check if we are running yuzu-ea and have a token file in place
			if [ "$emuExeFile" = "$YuzuEA_emuPath" ] && [ -e "$YuzuEA_tokenFile" ]; then
				#check for network
				if curl --output /dev/null --silent --head --fail https://yuzu-emu.org/; then
					jwtHost="https://api.yuzu-emu.org/jwt/installer/"
					yuzuEaHost="https://api.yuzu-emu.org/downloads/earlyaccess/"
					yuzuEaMetadata=$(curl -fSs ${yuzuEaHost})
					fileToDownload=$(echo "$yuzuEaMetadata" | jq -r '.files[] | select(.name|test(".*.AppImage")).url')
					currentVer=$(echo "$yuzuEaMetadata" | jq -r '.files[] | select(.name|test(".*.AppImage")).name')

					if [ -e "$YuzuEA_tokenFile" ]; then
						if [ "$currentVer" = "$(cat "${YuzuEA_lastVerFile}")" ]; then
							echo "no need to update."
						elif [ -z  "$currentVer" ]; then
							echo "couldn't get metadata."
						else
							zenity --question --title="Yuzu EA update available!" --width 200 --text "Yuzu-EA ${currentVer} available. Would you like to update?" --ok-label="Yes" --cancel-label="No" 2>/dev/null
							if [ $? = 0 ]; then
								echo "updating"
								read -r user auth <<< "$( base64 -d -i "${YuzuEA_tokenFile}" | awk -F":" '{print $1" "$2}' )"

								if [ -n "$user" ] && [ -n "$auth" ]; then

									echo "get bearer token"
									BEARERTOKEN=$(curl -X POST ${jwtHost} -H "X-Username: ${user}" -H "X-Token: ${auth}" -H "User-Agent: EmuDeck")

									echo "download ea appimage"
									if safeDownload "yuzu-ea" "$fileToDownload" "${YuzuEA_emuPath}" "$showProgress" "Authorization: Bearer ${BEARERTOKEN}"; then
										chmod +x "$YuzuEA_emuPath"
										echo "latest version $currentVer > $YuzuEA_lastVerFile"
										echo "${currentVer}" > "${YuzuEA_lastVerFile}"
									else
										zenity --error --text "Error updating yuzu!" --width=250 2>/dev/null
									fi

								else
									echo "Token malformed"
								fi

							fi
						fi
					fi
				else
					echo "Offline"
				fi
			else
				echo "Token Not Found"
			fi
		fi
	fi
fi

#find full path to emu executable
exe=("prlimit" "--nofile=8192" "${emuExeFile}")

#run the executable with the params.
launch_args=()
for rom in "${@}"; do
	# Parsers previously had single quotes ("'/path/to/rom'" ), this allows those shortcuts to continue working.
	removedLegacySingleQuotes=$(echo "$rom" | sed "s/^'//; s/'$//")
	launch_args+=("$removedLegacySingleQuotes")
done

echo "Launching: ${exe[*]} ${launch_args[*]}"

if [[ -z "${*}" ]]; then
    echo "ROM not found. Launching $emuName directly"
    "${exe[@]}"
else
    echo "ROM found, launching game"
    "${exe[@]}" "${launch_args[@]}"
fi

rm -rf "$savesPath/.gaming"