import { z } from "zod"

import { badRequestError } from "@/server/errors/trpc"
import { getBreadcrumbsSchema } from "./output"
import { publicProcedure, router } from "@/server/trpc"

const rootMyPagesBreadcrumb = {
  href: "/en/my-pages",
  title: "My Pages",
}

enum paths {
  "/my-pages",
  "/my-pages/benefits",
  "/my-pages/overview",
  "/my-pages/profile",
}

const keys = Object.keys(paths) as [keyof typeof paths]

const possibleBreadcrumbs: Record<string, { title: string; href?: string }[]> =
  {
    "/my-pages": [
      {
        title: rootMyPagesBreadcrumb.title,
      },
    ],
    "/my-pages/benefits": [rootMyPagesBreadcrumb, { title: "Benefits" }],
    "/my-pages/overview": [rootMyPagesBreadcrumb, { title: "Overview" }],
    "/my-pages/profile": [rootMyPagesBreadcrumb, { title: "Profile" }],
  }

export const breadcrumbsQueryRouter = router({
  get: publicProcedure.input(z.object({ href: z.enum(keys) })).query((opts) => {
    const breadcrumbs = possibleBreadcrumbs[opts.input.href]
    const validatedBreadcrumbs = getBreadcrumbsSchema.safeParse(breadcrumbs)
    if (validatedBreadcrumbs.success) {
      return breadcrumbs
    }

    throw badRequestError()
  }),
})