#!/bin/ash
# shellcheck shell=ash

# --- Configuration ---
. /recalbox/share/system/configs/savesync/savesync.conf

log() {
	local level="$1"
	local msg="$2"
	local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
	local log_line="[$timestamp] [$level] $msg"

	if [ "$level" = "ERROR" ]; then
		mkdir -p "$(dirname "$ERROR_LOG")"
		printf "%s\n" "$log_line" >>"$ERROR_LOG"
	fi

	# FIX: Corrected port to 1883 and added -m
	mosquitto_pub -h 127.0.0.1 -p 1883 -q 0 -t "$LOG_TOPIC" -m "SaveLog=$log_line" 2>/dev/null

	[ "${DEBUG_MODE:-0}" -eq 1 ] && printf "%s\n" "$log_line"
}

sleep 2
log "INFO" "--- ES Event Daemon Started ---"

# --- Main Listener Loop ---
mosquitto_sub -h 127.0.0.1 -p 1883 -q 0 -t "$TOPIC" | while IFS="=" read -r key value; do
	# 1. Clean input
	value=$(echo "$value" | tr -d '\r')

	case "$key" in
	"SystemId") this_system_id="$value" ;;
	"GamePath")
		this_game_path="$value"
		# Corrected logic for paths
		this_save_path=$(echo "$value" | sed 's|roms|saves|; s|\.[^.]*$|.srm|')
		this_backup_path=$(echo "$this_save_path" | sed 's|saves|archives|')
		;;
	"Action") this_action="$value" ;;
	"State")
		this_state="$value"

		if [ "$this_state" = "playing" ] && [ "$this_action" = "rungame" ]; then
			# We wrap the whole operation in ( ) & to background the entire sequence
			(
				log "INFO" "Game Started: $(basename "$this_game_path")"

				filename=$(basename "$this_save_path")
				remote_full="$REMOTE_BASE/$this_system_id/$filename"

				local_size=$(stat -c %s "$this_save_path" 2>/dev/null || echo 0)
				remote_size=$(rclone lsjson "$remote_full" 2>/dev/null | grep -o '"Size":[0-9]*' | cut -d: -f2)
				: "${remote_size:=0}"

				if [ "$local_size" -lt "$remote_size" ]; then
					log "WARN" "Cloud save LARGER. Restoring..."
					mkdir -p "$(dirname "$this_backup_path")"
					rclone copyto "$remote_full" "$this_save_path" --backup-dir "$(dirname "$this_backup_path")"
				else
					log "INFO" "Local save safe. Updating..."
					rclone update "$remote_full" "$this_save_path"
				fi

				# Signal that sync is done
				mosquitto_pub -h 127.0.0.1 -p 1883 -t "$TOPIC" -m "SaveContinue=0"
			) &
			log "DEBUG" "Sync process backgrounded for Start Game."

		elif [ "$this_state" = "endgame" ]; then
			(
				log "INFO" "Game Ended. Syncing..."
				rclone update "$this_save_path" "$REMOTE_BASE/$this_system_id/"
				log "INFO" "Sync Complete."

				mosquitto_pub -h 127.0.0.1 -p 1883 -t "$TOPIC" -m "SaveContinue=0"
			) &
			log "DEBUG" "Sync process backgrounded for End Game."
		fi

		# Reset variables immediately so the loop is ready for the next line
		this_system_id=""
		this_game_path=""
		this_save_path=""
		this_action=""
		this_backup_path=""
		;;
	esac
done