import type { JSX } from "react"
import { notFound } from "next/navigation"

import { requirePermission } from "@/shared/lib/auth-guard"
import { Permissions } from "@/shared/types/permissions"
import { getCoursePlanById } from "@/modules/course-plans/data-access"
import { CoursePlanDetail } from "@/modules/course-plans/components/course-plan-detail"

export const dynamic = "force-dynamic"

export default async function StudentCoursePlanDetailPage({
  params,
}: {
  params: Promise<{ id: string }>
}): Promise<JSX.Element> {
  const ctx = await requirePermission(Permissions.COURSE_PLAN_READ)
  const { id } = await params

  // 学生视角：通过 class_members scope 获取 classIds
  let classIds: string[] = []
  if (ctx.dataScope.type === "class_members") {
    classIds = ctx.dataScope.classIds
  }

  const plan =
    classIds.length > 0
      ? await getCoursePlanById(id, { userId: ctx.userId, isAdmin: false, classIds })
      : null

  if (!plan) notFound()

  return (
    <div className="flex h-full flex-col space-y-6 p-8">
      <CoursePlanDetail
        plan={plan}
        backHref="/student/course-plans"
        successHref="/student/course-plans"
        textbooksHref="/student/learning/textbooks"
      />
    </div>
  )
}
