#!/bin/bash

# Parse args
TARGET=""
PACKAGE_FILE=""
while [ $# -gt 0 ]; do
	case "$1" in
		-f)
			PACKAGE_FILE=$2
			shift 2
			;;
		--)
			shift
			break
			;;
		-*)
			echo "Usage: $0 [-f package-file] <target-directory-name>"
			exit 1
			;;
		*)
			if [ -z "$TARGET" ]; then
				TARGET=$1
				shift
			else
				echo "Unexpected argument: $1"
				echo "Usage: $0 [-f package-file] <target-directory-name>"
				exit 1
			fi
			;;
	esac
done

if [ -z "$TARGET" ]; then
	echo "Usage: $0 [-f package-file] <target-directory-name>"
	exit 1
fi

if [ -n "$PACKAGE_FILE" ]; then
	if [ ! -f "$PACKAGE_FILE" ]; then
		echo "Package file not found: $PACKAGE_FILE"
		exit 1
	fi
	if command -v realpath >/dev/null 2>&1; then
		PACKAGE_FILE="$(realpath "$PACKAGE_FILE")"
	else
		PACKAGE_FILE="$(cd "$(dirname "$PACKAGE_FILE")" && pwd -P)/$(basename "$PACKAGE_FILE")"
	fi
fi
# Create and enter target directory
mkdir -p "./code/$TARGET" || exit 1
mkdir -p "./sdk" || exit 1

rm -f "./sdk/$TARGET"
(cd sdk && ln -s "../code/$TARGET/sdk" $TARGET)

cd "./code/$TARGET" || exit 1

# List of packages (comment/uncomment as needed)
all_packages=(
	openssl
	nghttp2
	basisu
	ezaudio
	httplib
	mongo
	opus
	tinygltf
	webrtc
	astronomy
	boost
	fftw
	msquic
	soxr
	tommath
	zip
	audiofile
	catch2
	glfw
	json-nlohmann
	oggvorbis
	speex
	utf8cpp
	zstd
	aws
	curl
	glm
	libunwind
	onnx
	speexdsp
	vookoo
	base32
	date
	gte
	mapbox
	stb
	vulkan
	imgui
)

: "${ignore_packages:=}"
: "${say:=echo}"

read -a ignore_list <<< "$ignore_packages"

trim_whitespace() {
	local s=$1
	s="${s#"${s%%[![:space:]]*}"}"
	s="${s%"${s##*[![:space:]]}"}"
	printf '%s' "$s"
}

if [ -n "$PACKAGE_FILE" ]; then
	package_list=()
	while IFS= read -r line || [ -n "$line" ]; do
		line=$(trim_whitespace "$line")
		if [ -z "$line" ]; then
			continue
		fi
		case "$line" in
			\#*) continue ;;
		esac
		package_list+=("$line")
	done < "$PACKAGE_FILE"
else
	: "${packages:=${all_packages[*]}}"
	read -a package_list <<< "$packages"
fi

should_ignore() {
	local pkg=$1
	for ignore in "${ignore_list[@]}"; do
		if [ "$pkg" = "$ignore" ]; then
			return 0
		fi
	done
	return 1
}

../../resources/packages/_empty/prepare

# Loop through packages and call prepare script
for package in "${package_list[@]}"; do
	if should_ignore "$package"; then
		continue
	fi

	$say "$package"
	../../resources/packages/"$package"/prepare
done

$say "Done installing packages"