#!/bin/sh
set -e

# 设置日志文件
LOG_FILE="/tmp/mihomo-party-install.log"
exec > "$LOG_FILE" 2>&1

log() {
    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1"
}

# 检查 root 权限
if [ "$EUID" -ne 0 ]; then
    log "Error: Please run as root"
    exit 1
fi

# 判断 $2 是否以 .app 结尾
if [[ $2 == *".app" ]]; then
    APP_PATH="$2"
else
    APP_PATH="$2/Mihomo Party.app"
fi

HELPER_PATH="/Library/PrivilegedHelperTools/party.mihomo.helper"
LAUNCH_DAEMON="/Library/LaunchDaemons/party.mihomo.helper.plist"

log "Starting installation..."

# 创建目录并设置权限
log "Creating directories and setting permissions..."
mkdir -p "/Library/PrivilegedHelperTools"
chmod 755 "/Library/PrivilegedHelperTools"
chown root:wheel "/Library/PrivilegedHelperTools"

# 设置核心文件权限
log "Setting core file permissions..."
if [ -f "$APP_PATH/Contents/Resources/sidecar/mihomo" ]; then
    chown root:admin "$APP_PATH/Contents/Resources/sidecar/mihomo"
    chmod +s "$APP_PATH/Contents/Resources/sidecar/mihomo"
    log "Set permissions for mihomo"
else
    log "Warning: mihomo binary not found at $APP_PATH/Contents/Resources/sidecar/mihomo"
fi

if [ -f "$APP_PATH/Contents/Resources/sidecar/mihomo-alpha" ]; then
    chown root:admin "$APP_PATH/Contents/Resources/sidecar/mihomo-alpha"
    chmod +s "$APP_PATH/Contents/Resources/sidecar/mihomo-alpha"
    log "Set permissions for mihomo-alpha"
else
    log "Warning: mihomo-alpha binary not found at $APP_PATH/Contents/Resources/sidecar/mihomo-alpha"
fi

# 复制 helper 工具
log "Installing helper tool..."
if [ -f "$APP_PATH/Contents/Resources/files/party.mihomo.helper" ]; then
    cp -f "$APP_PATH/Contents/Resources/files/party.mihomo.helper" "$HELPER_PATH"
    chown root:wheel "$HELPER_PATH"
    chmod 544 "$HELPER_PATH"
    log "Helper tool installed successfully"
else
    log "Error: Helper file not found at $APP_PATH/Contents/Resources/files/party.mihomo.helper"
    exit 1
fi

# 创建并配置 LaunchDaemon
log "Configuring LaunchDaemon..."
mkdir -p "/Library/LaunchDaemons"
cat << EOF > "$LAUNCH_DAEMON"
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>party.mihomo.helper</string>
    <key>AssociatedBundleIdentifiers</key>
    <array>
        <string>party.mihomo.app</string>
    </array>
    <key>KeepAlive</key>
    <true/>
    <key>Program</key>
    <string>${HELPER_PATH}</string>
    <key>StandardErrorPath</key>
    <string>/tmp/party.mihomo.helper.err</string>
    <key>StandardOutPath</key>
    <string>/tmp/party.mihomo.helper.log</string>
</dict>
</plist>
EOF

chown root:wheel "$LAUNCH_DAEMON"
chmod 644 "$LAUNCH_DAEMON"
log "LaunchDaemon configured"

# 验证关键文件
log "Verifying installation..."
if [ ! -x "$HELPER_PATH" ]; then
    log "Error: Helper tool is not executable: $HELPER_PATH"
    exit 1
fi

# 检查二进制文件有效性
if ! file "$HELPER_PATH" | grep -q "Mach-O"; then
    log "Error: Helper tool is not a valid Mach-O binary"
    exit 1
fi

# 验证 plist 格式
if ! plutil -lint "$LAUNCH_DAEMON" >/dev/null 2>&1; then
    log "Error: Invalid plist format"
    exit 1
fi

# 获取 macOS 版本
macos_version=$(sw_vers -productVersion)
macos_major=$(echo "$macos_version" | cut -d. -f1)
log "macOS version: $macos_version"

# 清理现有服务
log "Cleaning up existing services..."
launchctl bootout system "$LAUNCH_DAEMON" 2>/dev/null || true
launchctl unload "$LAUNCH_DAEMON" 2>/dev/null || true

# 加载服务
log "Loading service..."
if [ "$macos_major" -ge 11 ]; then
    # macOS Big Sur 及更新版本使用 bootstrap
    if ! launchctl bootstrap system "$LAUNCH_DAEMON"; then
        log "Bootstrap failed, trying legacy load..."
        if ! launchctl load "$LAUNCH_DAEMON"; then
            log "Error: Failed to load service with both methods"
            exit 1
        fi
    fi
else
    # 旧版本使用 load
    if ! launchctl load "$LAUNCH_DAEMON"; then
        log "Error: Failed to load service"
        exit 1
    fi
fi

# 验证服务状态
log "Verifying service status..."
sleep 2
if launchctl list | grep -q "party.mihomo.helper"; then
    log "Service loaded successfully"
else
    log "Warning: Service may not be running properly"
fi

log "Installation completed successfully"
exit 0