import { z } from 'zod'
import { router, adminProcedure } from '../trpc'
import { logAudit } from '../utils/audit'

export const logisticsRouter = router({
  /** Read the hotel for a program (1:1). Null if not yet set. */
  getHotel: adminProcedure
    .input(z.object({ programId: z.string() }))
    .query(async ({ ctx, input }) => {
      return ctx.prisma.hotel.findUnique({ where: { programId: input.programId } })
    }),

  /** Create or update the program's hotel. Empty link strings are stored as null. */
  upsertHotel: adminProcedure
    .input(
      z.object({
        programId: z.string(),
        name: z.string().min(1).max(200),
        address: z.string().max(500).optional(),
        link: z
          .string()
          .url()
          .or(z.literal(''))
          .optional(),
        notes: z.string().max(2000).optional(),
      }),
    )
    .mutation(async ({ ctx, input }) => {
      const link = input.link && input.link.trim().length > 0 ? input.link : null
      const hotel = await ctx.prisma.hotel.upsert({
        where: { programId: input.programId },
        create: {
          programId: input.programId,
          name: input.name,
          address: input.address ?? null,
          link,
          notes: input.notes ?? null,
        },
        update: {
          name: input.name,
          address: input.address ?? null,
          link,
          notes: input.notes ?? null,
        },
      })
      await logAudit({
        prisma: ctx.prisma,
        userId: ctx.user.id,
        action: 'HOTEL_UPSERT',
        entityType: 'Hotel',
        entityId: hotel.id,
        detailsJson: { programId: input.programId, name: input.name },
      })
      return hotel
    }),
})