#!/bin/bash

# BBeOS Hardware Testing Script
# Helps test hardware components and gather system information

set -e

echo "BBeOS Hardware Testing Script"
echo "=============================="

# Function to test basic system info
test_system_info() {
    echo "=== System Information ==="
    echo "CPU Info:"
    cat /proc/cpuinfo | grep -E "(Hardware|Processor|model name)" | head -3
    echo ""
    
    echo "Memory Info:"
    cat /proc/meminfo | grep -E "(MemTotal|MemAvailable)" | head -2
    echo ""
    
    echo "Kernel Version:"
    uname -a
    echo ""
}

# Function to test device tree
test_device_tree() {
    echo "=== Device Tree Information ==="
    if [ -f /proc/device-tree/compatible ]; then
        echo "Device Compatible:"
        cat /proc/device-tree/compatible
        echo ""
    fi
    
    echo "Device Tree Nodes:"
    ls /proc/device-tree/ 2>/dev/null || echo "No device tree nodes found"
    echo ""
}

# Function to test hardware buses
test_hardware_buses() {
    echo "=== Hardware Buses ==="
    echo "I2C Buses:"
    ls /sys/bus/i2c/devices/ 2>/dev/null || echo "No I2C devices found"
    echo ""
    
    echo "SPI Buses:"
    ls /sys/bus/spi/devices/ 2>/dev/null || echo "No SPI devices found"
    echo ""
    
    echo "USB Devices:"
    ls /sys/bus/usb/devices/ 2>/dev/null || echo "No USB devices found"
    echo ""
}

# Function to test input devices
test_input_devices() {
    echo "=== Input Devices ==="
    echo "Input Devices:"
    ls /sys/class/input/ 2>/dev/null || echo "No input devices found"
    echo ""
    
    echo "Input Events:"
    ls /dev/input/ 2>/dev/null || echo "No input event devices found"
    echo ""
}

# Function to test display devices
test_display_devices() {
    echo "=== Display Devices ==="
    echo "Framebuffer Devices:"
    ls /dev/fb* 2>/dev/null || echo "No framebuffer devices found"
    echo ""
    
    echo "DRM Devices:"
    ls /sys/class/drm/ 2>/dev/null || echo "No DRM devices found"
    echo ""
    
    echo "Display Backlight:"
    ls /sys/class/backlight/ 2>/dev/null || echo "No backlight devices found"
    echo ""
}

# Function to test audio devices
test_audio_devices() {
    echo "=== Audio Devices ==="
    echo "ALSA Devices:"
    ls /proc/asound/cards 2>/dev/null || echo "No ALSA devices found"
    echo ""
    
    echo "Sound Devices:"
    ls /sys/class/sound/ 2>/dev/null || echo "No sound devices found"
    echo ""
}

# Function to test network devices
test_network_devices() {
    echo "=== Network Devices ==="
    echo "Network Interfaces:"
    ls /sys/class/net/ 2>/dev/null || echo "No network interfaces found"
    echo ""
    
    echo "Wi-Fi Devices:"
    ls /sys/class/ieee80211/ 2>/dev/null || echo "No Wi-Fi devices found"
    echo ""
    
    echo "Bluetooth Devices:"
    ls /sys/class/bluetooth/ 2>/dev/null || echo "No Bluetooth devices found"
    echo ""
}

# Function to test storage devices
test_storage_devices() {
    echo "=== Storage Devices ==="
    echo "Block Devices:"
    ls /sys/block/ 2>/dev/null || echo "No block devices found"
    echo ""
    
    echo "MMC Devices:"
    ls /sys/class/mmc_host/ 2>/dev/null || echo "No MMC devices found"
    echo ""
}

# Function to test GPIO
test_gpio() {
    echo "=== GPIO Information ==="
    echo "GPIO Controllers:"
    ls /sys/class/gpio/ 2>/dev/null || echo "No GPIO controllers found"
    echo ""
    
    echo "GPIO Chips:"
    ls /sys/class/gpio/gpiochip*/ 2>/dev/null || echo "No GPIO chips found"
    echo ""
}

# Function to test interrupts
test_interrupts() {
    echo "=== Interrupt Information ==="
    echo "Interrupts:"
    cat /proc/interrupts | head -10
    echo ""
}

# Function to test kernel modules
test_kernel_modules() {
    echo "=== Kernel Modules ==="
    echo "Loaded Modules:"
    lsmod | head -10
    echo ""
}

# Function to test system devices
test_system_devices() {
    echo "=== System Devices ==="
    echo "Character Devices:"
    cat /proc/devices | grep -E "^[0-9]+" | head -10
    echo ""
    
    echo "Block Devices:"
    cat /proc/devices | grep -E "^[0-9]+" | tail -10
    echo ""
}

# Function to test power management
test_power_management() {
    echo "=== Power Management ==="
    echo "Battery Information:"
    ls /sys/class/power_supply/ 2>/dev/null || echo "No power supply devices found"
    echo ""
    
    echo "Thermal Zones:"
    ls /sys/class/thermal/ 2>/dev/null || echo "No thermal zones found"
    echo ""
}

# Main testing function
run_all_tests() {
    echo "Running comprehensive hardware tests..."
    echo ""
    
    test_system_info
    test_device_tree
    test_hardware_buses
    test_input_devices
    test_display_devices
    test_audio_devices
    test_network_devices
    test_storage_devices
    test_gpio
    test_interrupts
    test_kernel_modules
    test_system_devices
    test_power_management
    
    echo "=== Test Summary ==="
    echo "Hardware testing complete!"
    echo "Check the output above for detected hardware components."
    echo ""
    echo "Next steps:"
    echo "1. Verify expected hardware is detected"
    echo "2. Check for missing drivers"
    echo "3. Test specific components individually"
    echo "4. Develop missing drivers as needed"
}

# Check if running on target system
if [ ! -f /proc/cpuinfo ]; then
    echo "Error: This script must be run on the target system (BBeOS)"
    echo "Please run this script after booting into BBeOS"
    exit 1
fi

# Run tests
run_all_tests