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"

// 导入家族数据
export async function POST(
  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 EDITOR 权限）
    const { hasPermission } = await checkPermission(session.user.id, treeId, Role.EDITOR)
    if (!hasPermission) {
      return NextResponse.json({ error: "无权限导入数据" }, { status: 403 })
    }

    const body = await req.json()
    const { members, rootId } = body

    // 删除现有成员
    await prisma.familyMember.deleteMany({
      where: { treeId }
    })

    // 批量创建新成员
    const memberArray = Object.values(members)
    await prisma.familyMember.createMany({
      data: memberArray.map((member: any) => ({
        ...member,
        treeId,
      }))
    })

    // 更新家族树的 rootMemberId
    if (rootId) {
      await prisma.familyTree.update({
        where: { id: treeId },
        data: { rootMemberId: rootId }
      })
    }

    // 记录操作日志
    await prisma.activityLog.create({
      data: {
        treeId,
        userId: session.user.id,
        action: 'IMPORT',
        entityType: 'SETTINGS',
        entityName: '导入家族数据',
        changes: {
          memberCount: memberArray.length
        },
      }
    })

    return NextResponse.json({ 
      success: true,
      memberCount: memberArray.length
    })
  } catch (error) {
    console.error("导入数据失败:", error)
    return NextResponse.json(
      { error: "导入数据失败" },
      { status: 500 }
    )
  }
}