#!/bin/bash
set -eo pipefail

ASAN=0
for arg; do
    case "$arg" in
        --asan) ASAN=1 ;;
        -j*) JOBS="${arg#-j}" ;;
    esac
done

# --- dependencies ---
PKGS="cmake librlottie-dev zlib1g-dev qtbase5-dev libssl-dev"
MISSING=""
for p in $PKGS; do
    dpkg -s "$p" &>/dev/null || MISSING="$MISSING $p"
done

if [ -n "$MISSING" ]; then
    echo "Installing missing packages:$MISSING"
    sudo apt update && sudo apt install -y $MISSING
else
    echo "All dependencies OK"
fi

# --- build ---
SRCDIR="$(cd "$(dirname "$0")" && pwd)"
BUILDDIR="$SRCDIR/build"
JOBS="${JOBS:-$(nproc)}"

echo "Source: $SRCDIR"
echo "Build:  $BUILDDIR"
echo "Jobs:   $JOBS"
echo ""

SAN_FLAGS="-fsanitize=address -fno-omit-frame-pointer -g"
if [ "$ASAN" -eq 1 ]; then
    echo "*** ASAN ENABLED ***"
    CMAKE_ARGS=(-DCMAKE_C_FLAGS="$SAN_FLAGS" -DCMAKE_CXX_FLAGS="$SAN_FLAGS" -DCMAKE_EXE_LINKER_FLAGS=-fsanitize=address)
    rm -f "$BUILDDIR/CMakeCache.txt" "$BUILDDIR/Makefile"
else
    CMAKE_ARGS=()
fi

[ -f "$BUILDDIR/Makefile" ] || cmake -S "$SRCDIR" -B "$BUILDDIR" "${CMAKE_ARGS[@]}"
cmake --build "$BUILDDIR" -j"$JOBS"

echo ""
if [ "$ASAN" -eq 1 ]; then
    echo "OK. Run: ASAN_OPTIONS=detect_leaks=1:halt_on_error=0 $BUILDDIR/chatgui"
else
    echo "OK. Run: $BUILDDIR/chatgui"
fi