#!/bin/bash
# Test camera RTSP connection
# shellcheck disable=SC1091

# Handle both dropshell execution and manual execution
if [ -z "${AGENT_PATH}" ]; then
    # Manual execution - set paths relative to template directory
    AGENT_PATH="../../../agent/"
    # Load from the actual deployed config, not template config
    source "../config/.template_info.env"
    source "../config/service.env"
fi

source "${AGENT_PATH}/common.sh"
_check_required_env_vars "CAMERA_IP" "CAMERA_USER" "CAMERA_PASSWORD" "CAMERA_RTSP_PORT"

echo "Testing camera connection..."
echo "Camera IP: ${CAMERA_IP}"
echo "Camera User: ${CAMERA_USER}"
echo "RTSP Port: ${CAMERA_RTSP_PORT}"

# Test basic network connectivity first
echo ""
echo "Testing network connectivity to camera..."
if ping -c 1 -W 2 "${CAMERA_IP}" > /dev/null 2>&1; then
    echo "✓ Camera IP is reachable"
else
    echo "✗ Cannot reach camera at ${CAMERA_IP}"
    echo "  Please check:"
    echo "  - Camera IP address is correct"
    echo "  - Camera is powered on"
    echo "  - Network routing/firewall allows connection"
    exit 1
fi

# Test RTSP port
echo ""
echo "Testing RTSP port ${CAMERA_RTSP_PORT}..."
if timeout 2 bash -c "echo > /dev/tcp/${CAMERA_IP}/${CAMERA_RTSP_PORT}" 2>/dev/null; then
    echo "✓ RTSP port is open"
else
    echo "✗ RTSP port ${CAMERA_RTSP_PORT} is not accessible"
    echo "  Please check:"
    echo "  - RTSP is enabled on the camera"
    echo "  - Port number is correct"
    echo "  - No firewall blocking port ${CAMERA_RTSP_PORT}"
    exit 1
fi

# URL-encode the password if it contains special characters
ENCODED_PASSWORD=$(echo -n "${CAMERA_PASSWORD}" | sed 's/!/%21/g; s/@/%40/g; s/#/%23/g; s/\$/%24/g; s/&/%26/g')

RTSP_URL="rtsp://${CAMERA_USER}:${ENCODED_PASSWORD}@${CAMERA_IP}:${CAMERA_RTSP_PORT}/cam/realmonitor?channel=1&subtype=0"

echo ""
echo "Testing RTSP URL (password hidden): rtsp://${CAMERA_USER}:****@${CAMERA_IP}:${CAMERA_RTSP_PORT}/cam/realmonitor?channel=1&subtype=0"

# Test with ffprobe
echo ""
echo "Testing with ffprobe (10 second timeout)..."
timeout 10 docker run --rm --network host \
    --entrypoint ffprobe \
    linuxserver/ffmpeg:latest \
    -v error \
    -rtsp_transport tcp \
    -timeout 5000000 \
    "${RTSP_URL}" 2>&1 | head -20

if [ $? -eq 0 ]; then
    echo "✓ Camera connection successful!"
else
    echo "✗ Camera connection failed"
    echo ""
    echo "Trying alternative RTSP paths..."
    
    # Try without subtype parameter
    ALT_URL="rtsp://${CAMERA_USER}:${ENCODED_PASSWORD}@${CAMERA_IP}:${CAMERA_RTSP_PORT}/cam/realmonitor?channel=1"
    docker run --rm --network host --entrypoint ffprobe linuxserver/ffmpeg:latest \
        -v error "${ALT_URL}" 2>&1 | head -5
    
    # Try simple path
    SIMPLE_URL="rtsp://${CAMERA_USER}:${ENCODED_PASSWORD}@${CAMERA_IP}:${CAMERA_RTSP_PORT}/"
    docker run --rm --network host --entrypoint ffprobe linuxserver/ffmpeg:latest \
        -v error "${SIMPLE_URL}" 2>&1 | head -5
fi

echo ""
echo "Checking MediaMTX container logs..."
docker logs "${PROJECT_NAME}-mediamtx" --tail 20 2>&1 | grep -E "(ERR|WARN|connected|disconnected|error)"