#!/usr/bin/env bash
set -e

ROOT=$(cd "$(dirname "$0")" && pwd)
DIST_DIR="$ROOT/dist"
TMP_DIR="$ROOT/.tmp_sdk_pkg"

function lookup_version() {
	VERSION_FILE="$ROOT/../internal/const/const.go"
	if [ ! -f "$VERSION_FILE" ]; then
		echo "0.0.0"
		return
	fi
	VERSION=$(grep -E 'Version[[:space:]]*=' "$VERSION_FILE" | head -n 1 | sed -E 's/.*"([0-9.]+)".*/\1/')
	if [ -z "$VERSION" ]; then
		echo "0.0.0"
	else
		echo "$VERSION"
	fi
}

function ensure_cmd() {
	CMD=$1
	if ! command -v "$CMD" >/dev/null 2>&1; then
		echo "missing command: $CMD"
		exit 1
	fi
}

function zip_dir() {
	SRC_DIR=$1
	ZIP_FILE=$2
	(
		cd "$SRC_DIR" || exit 1
		zip -r -X -q "$ZIP_FILE" .
	)
}

function build_android_sdk_package() {
	echo "[sdk] building android aar ..."
	ensure_cmd zip
	if [ ! -x "$ROOT/android/gradlew" ]; then
		echo "android gradlew not found: $ROOT/android/gradlew"
		exit 1
	fi

	(
		cd "$ROOT/android" || exit 1
		./gradlew :httpdns-sdk:clean :httpdns-sdk:assembleNormalRelease
	)

	AAR_FILE=$(find "$ROOT/android/httpdns-sdk/build/outputs/aar" -type f -name "*normal-release*.aar" | head -n 1)
	if [ -z "$AAR_FILE" ]; then
		AAR_FILE=$(find "$ROOT/android/httpdns-sdk/build/outputs/aar" -type f -name "*release*.aar" | head -n 1)
	fi
	if [ -z "$AAR_FILE" ] || [ ! -f "$AAR_FILE" ]; then
		echo "android aar is not generated"
		exit 1
	fi

	PKG_DIR="$TMP_DIR/android"
	rm -rf "$PKG_DIR"
	mkdir -p "$PKG_DIR"
	cp "$AAR_FILE" "$PKG_DIR/alicloud-android-httpdns.aar"
	if [ -f "$ROOT/android/README.md" ]; then
		cp "$ROOT/android/README.md" "$PKG_DIR/README.md"
	fi
	if [ -f "$ROOT/android/httpdns-sdk/proguard-rules.pro" ]; then
		cp "$ROOT/android/httpdns-sdk/proguard-rules.pro" "$PKG_DIR/proguard-rules.pro"
	fi

	zip_dir "$PKG_DIR" "$DIST_DIR/httpdns-sdk-android.zip"
}

function build_ios_sdk_package() {
	echo "[sdk] packaging ios xcframework ..."
	ensure_cmd zip

	CANDIDATES=(
		"$ROOT/ios/dist/AlicloudHttpDNS.xcframework"
		"$ROOT/ios/AlicloudHttpDNS.xcframework"
		"$ROOT/ios/Build/AlicloudHttpDNS.xcframework"
	)

	XCFRAMEWORK_DIR=""
	for path in "${CANDIDATES[@]}"; do
		if [ -d "$path" ]; then
			XCFRAMEWORK_DIR="$path"
			break
		fi
	done

	if [ -z "$XCFRAMEWORK_DIR" ]; then
		echo "ios xcframework not found."
		echo "please build it on macOS first, then place AlicloudHttpDNS.xcframework under EdgeHttpDNS/sdk/ios/dist/"
		exit 1
	fi

	PKG_DIR="$TMP_DIR/ios"
	rm -rf "$PKG_DIR"
	mkdir -p "$PKG_DIR"
	cp -R "$XCFRAMEWORK_DIR" "$PKG_DIR/"
	if [ -f "$ROOT/ios/AlicloudHTTPDNS.podspec" ]; then
		cp "$ROOT/ios/AlicloudHTTPDNS.podspec" "$PKG_DIR/"
	fi
	if [ -f "$ROOT/ios/README.md" ]; then
		cp "$ROOT/ios/README.md" "$PKG_DIR/README.md"
	fi

	zip_dir "$PKG_DIR" "$DIST_DIR/httpdns-sdk-ios.zip"
}

function build_flutter_sdk_package() {
	echo "[sdk] packaging flutter plugin ..."
	ensure_cmd zip
	PLUGIN_DIR="$ROOT/flutter/aliyun_httpdns"
	if [ ! -d "$PLUGIN_DIR" ]; then
		echo "flutter plugin directory not found: $PLUGIN_DIR"
		exit 1
	fi

	PKG_DIR="$TMP_DIR/flutter"
	rm -rf "$PKG_DIR"
	mkdir -p "$PKG_DIR"
	cp -R "$PLUGIN_DIR" "$PKG_DIR/"
	rm -rf "$PKG_DIR/aliyun_httpdns/example/.dart_tool" "$PKG_DIR/aliyun_httpdns/example/build" "$PKG_DIR/aliyun_httpdns/.dart_tool" "$PKG_DIR/aliyun_httpdns/build"

	zip_dir "$PKG_DIR" "$DIST_DIR/httpdns-sdk-flutter.zip"
}

function main() {
	VERSION=$(lookup_version)
	rm -rf "$TMP_DIR"
	mkdir -p "$TMP_DIR" "$DIST_DIR"

	build_android_sdk_package
	build_ios_sdk_package
	build_flutter_sdk_package

	cp "$DIST_DIR/httpdns-sdk-android.zip" "$DIST_DIR/httpdns-sdk-android-v${VERSION}.zip"
	cp "$DIST_DIR/httpdns-sdk-ios.zip" "$DIST_DIR/httpdns-sdk-ios-v${VERSION}.zip"
	cp "$DIST_DIR/httpdns-sdk-flutter.zip" "$DIST_DIR/httpdns-sdk-flutter-v${VERSION}.zip"

	rm -rf "$TMP_DIR"
	echo "[sdk] done. output: $DIST_DIR"
}

main "$@"