import { NextRequest, NextResponse } from "next/server"
import { getServerSession } from "next-auth"
import { authOptions } from "@/lib/auth"
import { prisma } from "@/lib/prisma"
import { checkPermission } from "@/lib/permissions"
import { Role } from "@prisma/client"

// 获取家族树的活动日志
export async function GET(
  req: NextRequest,
  { params }: { params: Promise<{ treeId: string }> }
) {
  try {
    const session = await getServerSession(authOptions)
    
    if (!session?.user?.id) {
      return NextResponse.json({ error: "未授权" }, { status: 401 })
    }

    const { treeId } = await params
    const { searchParams } = new URL(req.url)
    const limit = parseInt(searchParams.get('limit') || '50')

    // 检查权限（所有有权限访问该家族树的人都能查看操作日志）
    const { hasPermission } = await checkPermission(session.user.id, treeId)
    if (!hasPermission) {
      return NextResponse.json({ error: "无权访问此家族树的操作日志" }, { status: 403 })
    }

    const logs = await prisma.activityLog.findMany({
      where: { treeId },
      orderBy: { timestamp: 'desc' },
      take: limit,
      include: {
        user: {
          select: {
            id: true,
            name: true,
            email: true,
          }
        }
      }
    })

    return NextResponse.json({ logs })
  } catch (error) {
    console.error("获取活动日志失败:", error)
    return NextResponse.json(
      { error: "获取活动日志失败" },
      { status: 500 }
    )
  }
}

// 清空家族树的活动日志
export async function DELETE(
  req: NextRequest,
  { params }: { params: Promise<{ treeId: string }> }
) {
  try {
    const session = await getServerSession(authOptions)
    
    if (!session?.user?.id) {
      return NextResponse.json({ error: "未授权" }, { status: 401 })
    }

    const { treeId } = await params

    // 检查权限（需要 OWNER 权限才能清空日志）
    const { hasPermission, role } = await checkPermission(session.user.id, treeId, Role.OWNER)
    if (!hasPermission || role !== Role.OWNER) {
      return NextResponse.json({ error: "只有家族树所有者才能清空操作日志" }, { status: 403 })
    }

    // 删除该家族树的所有日志
    const result = await prisma.activityLog.deleteMany({
      where: { treeId }
    })

    return NextResponse.json({ 
      success: true, 
      deletedCount: result.count,
      message: `已清空 ${result.count} 条操作日志` 
    })
  } catch (error) {
    console.error("清空活动日志失败:", error)
    return NextResponse.json(
      { error: "清空活动日志失败" },
      { status: 500 }
    )
  }
}