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

TARGET=""
VERSION=""
BUILD_TOOL="cargo"
OUTPUT_DIR="dist"

while [[ $# -gt 0 ]]; do
	case "$1" in
	--target)
		TARGET="$2"
		shift 2
		;;
	--version)
		VERSION="$2"
		shift 2
		;;
	--build-tool)
		BUILD_TOOL="$2"
		shift 2
		;;
	--output-dir)
		OUTPUT_DIR="$2"
		shift 2
		;;
	*)
		echo "unknown argument: $1" >&2
		exit 1
		;;
	esac
done

if [[ -z "$TARGET" || -z "$VERSION" ]]; then
	echo "usage: build-artifact.sh --target <target> --version <version> [--build-tool <cargo|xwin>] [--output-dir <dir>]" >&2
	exit 1
fi

rustup target add "$TARGET"

CARGO_ARGS=(--locked --release --target "$TARGET")
if [[ "$TARGET" == *"windows"* ]]; then
	CARGO_ARGS+=(--no-default-features --features "http,graphql,grpc,sql")
elif [[ "$TARGET" == *"musl"* || "$TARGET" == "aarch64-unknown-linux-gnu" ]]; then
	CARGO_ARGS+=(--no-default-features --features "http,graphql,grpc,bash,sql")
fi

case "$BUILD_TOOL" in
cargo)
	cargo build "${CARGO_ARGS[@]}"
	;;
xwin)
	cargo xwin build "${CARGO_ARGS[@]}"
	;;
*)
	echo "unsupported build tool: $BUILD_TOOL" >&2
	exit 1
	;;
esac

BINARY_NAME="earl"
if [[ "$TARGET" == *"windows"* ]]; then
	BINARY_NAME="earl.exe"
fi

BINARY_PATH="target/$TARGET/release/$BINARY_NAME"
if [[ ! -f "$BINARY_PATH" ]]; then
	echo "expected binary not found: $BINARY_PATH" >&2
	exit 1
fi

HOST_TRIPLE="$(rustc -vV | awk '/host:/ { print $2 }')"
if [[ "$TARGET" == "$HOST_TRIPLE" ]]; then
	"$BINARY_PATH" --version >/dev/null
elif [[ "$TARGET" == "x86_64-unknown-linux-musl" && "$HOST_TRIPLE" == "x86_64-unknown-linux-gnu" ]]; then
	"$BINARY_PATH" --version >/dev/null
fi

mkdir -p "$OUTPUT_DIR"

if [[ "$TARGET" == *"windows"* ]]; then
	ARCHIVE="earl-${VERSION}-${TARGET}.zip"
	(
		cd "target/$TARGET/release"
		zip -q "$OLDPWD/$OUTPUT_DIR/$ARCHIVE" "$BINARY_NAME"
	)
else
	ARCHIVE="earl-${VERSION}-${TARGET}.tar.gz"
	tar -C "target/$TARGET/release" -czf "$OUTPUT_DIR/$ARCHIVE" "$BINARY_NAME"
fi

echo "created $OUTPUT_DIR/$ARCHIVE"