#!/bin/sh
set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PKG_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
CLUSTER_ROOT="$(cd "$PKG_ROOT/../../.." && pwd)"

CONTROL_FILE=$(ls -1 "$PKG_ROOT"/*.control 2>/dev/null | head -n 1)

if [ -z "$CONTROL_FILE" ]; then
    echo "Fout: Geen .control bestand gevonden in $PKG_ROOT" >&2
    exit 1
fi

PACKAGE_NAME=$(awk '/^Package: /{print $NF}' "$CONTROL_FILE")
DETECTED_VERSION=$(awk '/^Version: /{print $NF}' "$CONTROL_FILE")

# Version resolution: CLI arg > ENV var > .control version > default 0.1.0
if [ -n "$1" ]; then
    VERSION="$1"
elif [ -n "$PACKAGE_VERSION" ]; then
    VERSION="$PACKAGE_VERSION"
elif [ -n "$VERSION" ]; then
    VERSION="$VERSION"
elif [ "$DETECTED_VERSION" != "{VERSION}" ] && [ -n "$DETECTED_VERSION" ]; then
    VERSION="$DETECTED_VERSION"
else
    VERSION="0.1.0"
fi

cd "$PKG_ROOT"

TARGET_BIN="packaging/$PACKAGE_NAME/usr/bin/jellyfin-kiosk"
mkdir -p "packaging/$PACKAGE_NAME/usr/bin"
mkdir -p "packaging/$PACKAGE_NAME/etc/jellyfin-client"
mkdir -p "packaging/$PACKAGE_NAME/usr/lib/systemd/system"

RELEASE_BIN="$CLUSTER_ROOT/jellyfin-client/jellyfin-kiosk-rs/target/release/jellyfin-kiosk-rs"
if [ -f "$RELEASE_BIN" ]; then
    echo "Copying compiled binary from $RELEASE_BIN to $TARGET_BIN..."
    cp -f "$RELEASE_BIN" "$TARGET_BIN"
    strip -s "$TARGET_BIN" 2>/dev/null || true
elif [ ! -f "$TARGET_BIN" ]; then
    echo "Error: Binary not found at $RELEASE_BIN or $TARGET_BIN" >&2
    exit 1
fi

# Copy config example if available
if [ -f "$CLUSTER_ROOT/jellyfin-client/config.yaml" ]; then
    cp -f "$CLUSTER_ROOT/jellyfin-client/config.yaml" "packaging/$PACKAGE_NAME/etc/jellyfin-client/config.example.yaml"
elif [ -f "$CLUSTER_ROOT/jellyfin-client/config.example.yaml" ]; then
    cp -f "$CLUSTER_ROOT/jellyfin-client/config.example.yaml" "packaging/$PACKAGE_NAME/etc/jellyfin-client/config.example.yaml"
fi

mkdir -p "packaging/$PACKAGE_NAME/DEBIAN"
sed "s/{VERSION}/${VERSION}/" "$CONTROL_FILE" > "packaging/$PACKAGE_NAME/DEBIAN/control"

ARCH=$(awk '/^Architecture: /{print $NF}' "packaging/$PACKAGE_NAME/DEBIAN/control")
ARCH="${ARCH:-amd64}"
DEB_FILENAME="${PACKAGE_NAME}-${VERSION}_${ARCH}.deb"

echo "Building package: $PACKAGE_NAME ($VERSION) [$ARCH] -> $DEB_FILENAME"

# Ensure correct Debian directory permissions
find "packaging/$PACKAGE_NAME" -type d -exec chmod 755 {} +
find "packaging/$PACKAGE_NAME" -type f -exec chmod 644 {} +
find "packaging/$PACKAGE_NAME/usr/bin" -type f -exec chmod 755 {} + 2>/dev/null || true
find "packaging/$PACKAGE_NAME/DEBIAN" -type f -exec chmod 755 {} + 2>/dev/null || true
chmod 644 "packaging/$PACKAGE_NAME/DEBIAN/control" 2>/dev/null || true
if [ -f "packaging/$PACKAGE_NAME/DEBIAN/conffiles" ]; then
    chmod 644 "packaging/$PACKAGE_NAME/DEBIAN/conffiles"
fi

# Build debian binary package
dpkg-deb --build "packaging/$PACKAGE_NAME" "$DEB_FILENAME"

# Cleanup temporary control file
rm -f "packaging/$PACKAGE_NAME/DEBIAN/control"
echo "Succesvol gebouwd: $DEB_FILENAME"