#!/usr/bin/env bash
#
# Minimal fallback: assemble a .deb directly with dpkg-deb, WITHOUT debhelper.
# Handy for quick builds on a bare Debian/Ubuntu system:
#
#   sudo apt install build-essential cmake
#   ./pack-deb.sh
#
# Produces ./dist/hatsune-miku-shoshitsu_0.1.0-1_amd64.deb
#
set -euo pipefail
cd "$(dirname "$0")"

PKG="hatsune-miku-shoshitsu"
VERSION="0.1.0"
ARCH="amd64"   # adjust to your target architecture (e.g. arm64)

for tool in cmake dpkg-deb; do
    command -v "$tool" >/dev/null 2>&1 || {
        echo "error: '$tool' not found. Install build tools first." >&2
        exit 1
    }
done

rm -rf build staging dist
mkdir -p dist

# 1) configure + build
cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr
cmake --build build -j

# 2) install into a staging tree (simulates /usr on the target system)
DESTDIR="$(pwd)/staging" cmake --install build

# 3) write the binary-package control file
mkdir -p "staging/DEBIAN"
cat > "staging/DEBIAN/control" <<EOF
Package: $PKG
Version: ${VERSION}-1
Section: utils
Priority: optional
Architecture: $ARCH
Maintainer: Your Name <you@example.com>
Depends: libc6
Description: Hatsune Miku's Shoshitsu in Terminal
 A terminal-based program about Hatsune Miku's Shoshitsu (loss).
 Replace this placeholder description before releasing.
EOF

# 4) pack it (--root-owner-group makes every file owned by root:root,
#    as Debian packages require; available since dpkg 1.19 / Debian 10)
dpkg-deb --build --root-owner-group "staging" "dist/${PKG}_${VERSION}-1_${ARCH}.deb"

echo
echo "Done. Debian package built:"
ls -lh "dist/${PKG}_${VERSION}-1_${ARCH}.deb"