#!/usr/bin/env bash
set -euo pipefail

BINARY_PATH="$(dirname "$(readlink -f "$0")")/out"
CONFIG_PATH="config/ASF.json"

if [[ ! -d "$BINARY_PATH" ]]; then
	echo "ERROR: $BINARY_PATH could not be found!"
	exit 1
fi

cd "$BINARY_PATH"

BINARY="$(pwd)/ArchiSteamFarm.dll"

if [[ ! -f "$BINARY" ]]; then
	echo "ERROR: $BINARY could not be found!"
	exit 1
fi

BINARY_ARGS=()
PATH_NEXT=0

PARSE_ARG() {
	BINARY_ARGS+=("$1")

	case "$1" in
		--path) PATH_NEXT=1 ;;
		--path=*)
			if [[ "$PATH_NEXT" -eq 1 ]]; then
				PATH_NEXT=0
				cd "$1"
			else
				cd "$(echo "$1" | cut -d '=' -f 2-)"
			fi
			;;
		*)
			if [[ "$PATH_NEXT" -eq 1 ]]; then
				PATH_NEXT=0
				cd "$1"
			fi
	esac
}

if [[ -n "${ASF_PATH-}" ]]; then
	cd "$ASF_PATH"
fi

if [[ -n "${ASF_ARGS-}" ]]; then
	for ARG in $ASF_ARGS; do
		if [[ -n "$ARG" ]]; then
			PARSE_ARG "$ARG"
		fi
	done
fi

for ARG in "$@"; do
	if [[ -n "$ARG" ]]; then
		PARSE_ARG "$ARG"
	fi
done

CONFIG_PATH="$(pwd)/${CONFIG_PATH}"

# Kill underlying ASF process on shell process exit
trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM

if ! hash dotnet 2>/dev/null; then
	echo "ERROR: dotnet CLI tools are not installed!"
	exit 1
fi

dotnet --info

if [[ -f "$CONFIG_PATH" ]] && grep -Eq '"Headless":\s+?true' "$CONFIG_PATH"; then
	# We're running ASF in headless mode so we don't need STDIN
	dotnet "$BINARY" "${BINARY_ARGS[@]-}" & # Start ASF in the background, trap will work properly due to non-blocking call
	wait $! # This will forward dotnet error code, set -e will abort the script if it's non-zero
else
	# We're running ASF in non-headless mode, so we need STDIN to be operative
	dotnet "$BINARY" "${BINARY_ARGS[@]-}" # Start ASF in the foreground, trap won't work until process exit
fi