#!/usr/bin/env bash
# Build a .deb package of TeleportFling for Debian/Ubuntu.
#
# The binary is built with cgo; runtime libraries (libturbojpeg, libpipewire,
# and the GLFW/GL stack for the GUI) are declared as Debian package
# dependencies so the .deb works on a stock Debian/Ubuntu install. Output:
#   dist/teleportfling_<version>_amd64.deb
#
# Usage:
#   ./packaging/deb.sh
set -euo pipefail

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
OUT="${HERE}/dist"
ROOT="${OUT}/deb-root"

VERSION="0.1.0"
ARCH="amd64"
PKG_NAME="teleportfling"

echo "Building teleportfling and teleportfling-gui..."
nix develop --command bash -c "go build -o '${OUT}/teleportfling' ./cmd/teleportfling && go build -o '${OUT}/teleportfling-gui' ./cmd/teleportfling-gui"

echo "Assembling .deb root..."
rm -rf "${ROOT}"
mkdir -p "${ROOT}/DEBIAN" \
  "${ROOT}/usr/bin" \
  "${ROOT}/usr/share/applications" \
  "${ROOT}/usr/share/icons/hicolor/512x512/apps"

install -m 0755 "${OUT}/teleportfling" "${ROOT}/usr/bin/teleportfling"
install -m 0755 "${OUT}/teleportfling-gui" "${ROOT}/usr/bin/teleportfling-gui"
install -m 0644 "${HERE}/assets/teleportfling.desktop" "${ROOT}/usr/share/applications/teleportfling.desktop"
install -m 0644 "${HERE}/assets/teleportfling.png" "${ROOT}/usr/share/icons/hicolor/512x512/apps/teleportfling.png"

# Debian package control file.
cat > "${ROOT}/DEBIAN/control" <<EOF
Package: ${PKG_NAME}
Version: ${VERSION}
Section: video
Priority: optional
Architecture: ${ARCH}
Maintainer: Pete Edley <peter@edleyit.com>
Depends: libjpeg-turbo8 (>= 2.0), libpipewire-0.3-0 (>= 0.3), libgl1, libglx0,
 libwayland-client0, libwayland-cursor0, libwayland-egl1, libxkbcommon0,
 libx11-6, libxrandr2, libxi6, libxcursor1, libxinerama1, libxxf86vm1,
 libxrender1, libxext6, libxfixes3
Description: Stream a screen and audio to OBS Teleport receivers
 Standalone Linux sender for the OBS Teleport protocol. Captures a Wayland
 screen and system audio, encodes video to JPEG, and streams them over TCP
 so OBS with the obs-teleport plugin can discover and display the stream.
 .
 Provides a headless CLI (teleportfling) and a desktop GUI with system tray
 (teleportfling-gui).
Homepage: http://homeserver:3050/pedley/TeleportFling
EOF

echo "Building .deb..."
nix shell nixpkgs#dpkg --command dpkg-deb --build --root-owner-group "${ROOT}" "${OUT}/${PKG_NAME}_${VERSION}_${ARCH}.deb"

echo "Done: ${OUT}/${PKG_NAME}_${VERSION}_${ARCH}.deb"