#!/bin/bash

# ========================================
# Deepin DBus 信号调试脚本
# 用于监听和分析 Deepin 锁屏相关的 DBus 信号
# ========================================

echo "========================================"
echo "Deepin DBus Signal Debug Tool"
echo "========================================"
echo ""

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

# 检查必要的工具
echo "Checking required tools..."
if ! command -v dbus-monitor &> /dev/null; then
    echo -e "${RED}✗${NC} dbus-monitor not found. Please install: sudo apt install dbus"
    exit 1
fi

if ! command -v dbus-send &> /dev/null; then
    echo -e "${RED}✗${NC} dbus-send not found. Please install: sudo apt install dbus"
    exit 1
fi

echo -e "${GREEN}✓${NC} All required tools available"
echo ""

# 列出可能的 Deepin 相关服务
echo "========================================"
echo "Step 1: Searching for Deepin DBus services"
echo "========================================"
echo ""

echo "Session Bus Services:"
dbus-send --session --print-reply --dest=org.freedesktop.DBus \
    /org/freedesktop/DBus org.freedesktop.DBus.ListNames 2>/dev/null | \
    grep -i "deepin" || echo "No Deepin services found on session bus"

echo ""
echo "System Bus Services:"
dbus-send --system --print-reply --dest=org.freedesktop.DBus \
    /org/freedesktop/DBus org.freedesktop.DBus.ListNames 2>/dev/null | \
    grep -i "deepin" || echo "No Deepin services found on system bus"

echo ""
echo "========================================"
echo "Step 2: Checking common Deepin lock services"
echo "========================================"
echo ""

# 常见的 Deepin 锁屏服务列表
SERVICES=(
    "com.deepin.dde.lockFront"
    "com.deepin.dde.LockFront"
    "com.deepin.ScreenSaver"
    "com.deepin.SessionManager"
    "com.deepin.daemon.LockService"
    "org.deepin.dde.lockFront"
    "org.deepin.dde.LockService"
)

FOUND_SERVICES=()

for service in "${SERVICES[@]}"; do
    echo -n "Checking $service ... "
    if dbus-send --session --print-reply --dest="$service" / org.freedesktop.DBus.Introspectable.Introspect &>/dev/null; then
        echo -e "${GREEN}✓ Found (Session)${NC}"
        FOUND_SERVICES+=("$service:session")
    elif dbus-send --system --print-reply --dest="$service" / org.freedesktop.DBus.Introspectable.Introspect &>/dev/null; then
        echo -e "${GREEN}✓ Found (System)${NC}"
        FOUND_SERVICES+=("$service:system")
    else
        echo -e "${RED}✗ Not found${NC}"
    fi
done

echo ""

if [ ${#FOUND_SERVICES[@]} -eq 0 ]; then
    echo -e "${YELLOW}⚠ No Deepin lock services found${NC}"
    echo ""
    echo "Possible reasons:"
    echo "  1. Not running on Deepin OS"
    echo "  2. DDE lock service not started"
    echo "  3. Service names have changed in your Deepin version"
    echo ""
    echo "Let's monitor ALL session bus signals to find the right one..."
    echo ""
fi

# 显示找到的服务详情
if [ ${#FOUND_SERVICES[@]} -gt 0 ]; then
    echo "========================================"
    echo "Step 3: Service Details"
    echo "========================================"
    echo ""

    for entry in "${FOUND_SERVICES[@]}"; do
        service="${entry%:*}"
        bus="${entry#*:}"

        echo -e "${CYAN}=== $service ($bus bus) ===${NC}"

        if [ "$bus" = "session" ]; then
            BUS_OPTION="--session"
        else
            BUS_OPTION="--system"
        fi

        # 尝试获取接口详情
        dbus-send $BUS_OPTION --print-reply --dest="$service" / \
            org.freedesktop.DBus.Introspectable.Introspect 2>/dev/null | \
            grep -E "interface name|signal name|method name" | head -20

        echo ""
    done
fi

echo "========================================"
echo "Step 4: Monitor DBus Signals"
echo "========================================"
echo ""
echo "This will monitor DBus signals in REAL-TIME."
echo "Please follow these steps:"
echo ""
echo "  1. Keep this terminal visible"
echo "  2. Lock your screen using:"
echo "     - Press ${BLUE}Super + L${NC}"
echo "     - Or run: ${BLUE}dde-lock${NC}"
echo "  3. Observe the signals that appear"
echo "  4. Unlock your screen"
echo "  5. Press ${RED}Ctrl+C${NC} to stop monitoring"
echo ""
echo "We'll look for signals containing: lock, Lock, screen, Screen"
echo ""

read -p "Press ENTER to start monitoring, or Ctrl+C to cancel..."
echo ""
echo -e "${GREEN}Monitoring started...${NC}"
echo "========================================"
echo ""

# 创建临时文件记录所有信号
TEMP_LOG="/tmp/deepin_dbus_signals_$(date +%s).log"

# 启动监听（过滤可能相关的信号）
dbus-monitor --session "type='signal'" 2>&1 | \
    grep --line-buffered -iE "signal|lock|Lock|screen|Screen|Active|session|Session" | \
    tee "$TEMP_LOG" | \
    while IFS= read -r line; do
        if echo "$line" | grep -q "signal"; then
            echo -e "${YELLOW}$line${NC}"
        elif echo "$line" | grep -iq "lock"; then
            echo -e "${GREEN}$line${NC}"
        else
            echo "$line"
        fi
    done

echo ""
echo "Log saved to: $TEMP_LOG"