import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { SessionRepository } from '@/lib/users/session/repository'
import { authOptions } from '../../auth/[...nextauth]/route'

function ensureNumber(value: string | number): number {
    return typeof value === 'string' ? parseInt(value, 10) : value
}
export async function POST(request: NextRequest) {
    try {
        const session = await getServerSession(authOptions)
        const trackingData = await request.json()

        // IP 주소 추출
        const getClientIP = (req: NextRequest): string => {
            const forwarded = req.headers.get('x-forwarded-for')
            const realIP = req.headers.get('x-real-ip')
            const cfConnectingIP = req.headers.get('cf-connecting-ip')

            if (cfConnectingIP) return cfConnectingIP
            if (forwarded) return forwarded.split(',')[0].trim()
            if (realIP) return realIP
            return '127.0.0.1'
        }

        // 활성 세션 조회 및 업데이트
        let sessionId = null
        if (session?.user?.id && session?.user?.dbSessionId) {
            sessionId = session.user.dbSessionId

            // 세션 활동 시간 업데이트 (백그라운드)
            SessionRepository.updateSessionActivity(sessionId).catch(error => {
                console.error('Failed to update session activity:', error)
            })
        }

        // 페이지 방문 기록
        await SessionRepository.recordPageVisit({
            userId: session?.user?.id ? ensureNumber(session.user.id) : undefined,  // ✅ 타입 변환
            sessionId,
            route: trackingData.route,
            pageTitle: trackingData.pageTitle || undefined,
            referrer: trackingData.referrer || undefined,
            ipAddress: getClientIP(request),
            userAgent: trackingData.userAgent,
            queryParams: new URL(request.url).search || undefined,
            deviceType: trackingData.deviceType || undefined,
            browserName: trackingData.browserName || undefined,
            osName: trackingData.osName || undefined,
        })

        return NextResponse.json({ success: true })
    } catch (error) {
        console.error('Page visit tracking API error:', error)
        // 추적 실패가 클라이언트에 영향을 주지 않도록 성공 응답
        return NextResponse.json({ success: false }, { status: 200 })
    }
}