#!/bin/bash
# ============================================================
# Environment Setup Script
# ============================================================
# This script sets up the development environment on Ubuntu 24.04
# ============================================================

set -e

echo "=== Hikvision ISUP Client - Environment Setup ==="
echo ""

# Update package list
echo "[1/6] Updating package list..."
sudo apt-get update

# Install build dependencies
echo "[2/6] Installing build dependencies..."
sudo apt-get install -y \
    build-essential \
    gcc \
    g++ \
    make \
    cmake \
    git \
    pkg-config \
    libssl-dev \
    libpthread-stubs0-dev \
    valgrind \
    cppcheck \
    clang-format

# Install media processing dependencies (for PS encoding/decoding)
echo "[3/6] Installing media dependencies..."
sudo apt-get install -y \
    ffmpeg \
    libavcodec-dev \
    libavformat-dev \
    libavutil-dev \
    libswscale-dev \
    libpostproc-dev

# Create project directories
echo "[4/6] Creating project directories..."
mkdir -p logs recordings sim_images docs

# Create log directory
sudo mkdir -p /var/log/hikvision-isup

# Install ZLMediaKit (optional, for RTMP pushing)
echo "[5/6] Checking ZLMediaKit..."
if command -v MediaServer &> /dev/null; then
    echo "ZLMediaKit is already installed"
else
    echo "ZLMediaKit not found. To install:"
    echo "  git clone --depth 1 https://gitee.com/xia-chu/ZLMediaKit"
    echo "  cd ZLMediaKit && git submodule update --init"
    echo "  mkdir build && cd build && cmake .. && make -j4"
    echo "  sudo make install"
fi

# Check HCNetSDK
echo "[6/6] Checking HCNetSDK..."
if [ -d "libs" ]; then
    echo "libs directory exists"
    ls -la libs/ || true
else
    echo "libs directory not found. Please copy HCNetSDK files to libs/ directory:"
    echo "  From Hikvision SDK package:"
    echo "  - CH-HCNetSDKV6.x.x.x buildxxxxxx linux64/"
    echo "  Copy .so files and .h files to ./libs/"
fi

echo ""
echo "=== Setup complete ==="
echo ""
echo "Next steps:"
echo "  1. Copy HCNetSDK library files to ./libs/"
echo "  2. Edit config.ini with your server settings"
echo "  3. Run 'make simulate' to build without SDK (for development)"
echo "  4. Run 'make' to build with SDK"
echo "  5. Run './hikvision-isup-client -c config.ini' to start"