#!/system/bin/sh
MODDIR=${0%/*}
exec >> "$MODDIR/boot.log" 2>&1
echo "[$(date)] post-fs-data starting"

# Stop the stock Google camera HAL so it doesn't re-register its cameras.
# This is an APEX-managed service that auto-restarts, so we need to keep it down.
setprop ctl.stop vendor.camera-provider-2-7-google 2>/dev/null || true
kill -9 $(pgrep -f camera-provider-2-7-google) 2>/dev/null || true

# Reload v4l2loopback (rmmod first to clear stale params like exclusive_caps)
rmmod v4l2loopback 2>/dev/null || true
sleep 1
insmod "$MODDIR/v4l2loopback.ko" devices=2 video_nr=0,1 card_label="VirtualCam" 2>/dev/null || true

# Copy provider binary and AIDL libs
PROVIDER_DST="/data/local/tmp/virtual_camera_provider"
LIB_DST="/data/local/tmp/virtualcam_libs"
cp "$MODDIR/vendor/bin/virtual_camera_provider" "$PROVIDER_DST" 2>/dev/null || true
chmod 755 "$PROVIDER_DST" 2>/dev/null || true
mkdir -p "$LIB_DST" 2>/dev/null || true
cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null || true

# Start our provider
if [ -x "$PROVIDER_DST" ]; then
    nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
        -d /dev/video0 -w 1920 -h 1080 -i virtual \
        </dev/null >/dev/null 2>&1 &
    echo "[$(date)] provider started"
fi

# Fork a background watchdog to keep the stock HAL dead
(
    while sleep 30; do
        # Re-kill stock HAL if it came back
        if pgrep -f camera-provider-2-7-google >/dev/null 2>&1; then
            setprop ctl.stop vendor.camera-provider-2-7-google 2>/dev/null || true
            kill -9 $(pgrep -f camera-provider-2-7-google) 2>/dev/null || true
            echo "[$(date)] re-killed stock HAL"
        fi
        # Restart our provider if it died
        if ! pgrep -f virtual_camera_provider >/dev/null 2>&1; then
            if [ -x "$PROVIDER_DST" ]; then
                nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
                    -d /dev/video0 -w 1920 -h 1080 -i virtual \
                    </dev/null >/dev/null 2>&1 &
                echo "[$(date)] provider restarted"
            fi
        fi
    done
) &

echo "[$(date)] post-fs-data done"