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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
BUILD_DIR="${1:-$ROOT_DIR/build}"
DIST_DIR="${2:-$ROOT_DIR/dist}"
STAGE_DIR="$DIST_DIR/deb-staging"
PKG_ROOT="$STAGE_DIR/orbithub"

if [[ ! -f "$BUILD_DIR/CMakeCache.txt" ]]; then
  echo "Build directory not configured: $BUILD_DIR" >&2
  echo "Run: cmake -S \"$ROOT_DIR\" -B \"$BUILD_DIR\" -G Ninja" >&2
  exit 1
fi

mkdir -p "$DIST_DIR"
rm -rf "$STAGE_DIR"
mkdir -p "$PKG_ROOT/DEBIAN"

VERSION="$(sed -n 's/^CMAKE_PROJECT_VERSION:STATIC=//p' "$BUILD_DIR/CMakeCache.txt" | head -n1)"
ARCH="$(dpkg --print-architecture)"

if [[ -z "$VERSION" ]]; then
  echo "Unable to determine project version from $BUILD_DIR/CMakeCache.txt" >&2
  exit 1
fi

cmake --build "$BUILD_DIR" -j
cmake --install "$BUILD_DIR" --prefix "$PKG_ROOT/usr"

cat > "$PKG_ROOT/DEBIAN/control" <<EOF
Package: orbithub
Version: ${VERSION}
Section: net
Priority: optional
Architecture: ${ARCH}
Maintainer: OrbitHub Maintainers <maintainers@orbithub.local>
Depends: libc6, libstdc++6, libqt6core6, libqt6gui6, libqt6widgets6, libqt6sql6, libssl3, zlib1g, openssh-client
Description: OrbitHub remote session manager
 OrbitHub is a native desktop application for managing connection profiles
 and opening SSH and RDP sessions in a tabbed interface.
EOF

cat > "$PKG_ROOT/DEBIAN/postinst" <<'EOF'
#!/bin/sh
set -e
if command -v update-desktop-database >/dev/null 2>&1; then
  update-desktop-database -q /usr/share/applications || true
fi
if command -v gtk-update-icon-cache >/dev/null 2>&1; then
  gtk-update-icon-cache -q /usr/share/icons/hicolor || true
fi
EOF
chmod 0755 "$PKG_ROOT/DEBIAN/postinst"

cat > "$PKG_ROOT/DEBIAN/postrm" <<'EOF'
#!/bin/sh
set -e
if command -v update-desktop-database >/dev/null 2>&1; then
  update-desktop-database -q /usr/share/applications || true
fi
if command -v gtk-update-icon-cache >/dev/null 2>&1; then
  gtk-update-icon-cache -q /usr/share/icons/hicolor || true
fi
EOF
chmod 0755 "$PKG_ROOT/DEBIAN/postrm"

OUTPUT_DEB="$DIST_DIR/orbithub_${VERSION}_${ARCH}.deb"
fakeroot dpkg-deb --build "$PKG_ROOT" "$OUTPUT_DEB" >/dev/null
echo "Created $OUTPUT_DEB"