import {z} from 'zod'

export type GetApiServicesAppointmentsV1CapacityArgs = {siteCode: string, capacityDate: string};

export type GetApiServicesAppointmentsV1CapacityOptions = {baseUrl?: string | undefined, oAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const availableSlot = z.object({endDateTime: z.string().optional(), section: z.string().optional(), startDateTime: z.string().optional()});

export const bookedSlot = z.object({endDateTime: z.string().optional(), shipmentNumber: z.string().optional(), startDateTime: z.string().optional()});

export const capacityResponse = z.object({availableSlots: z.array(availableSlot).optional(), bookedSlots: z.array(bookedSlot).optional(), capacityDate: z.string().optional(), siteCode: z.string().optional(), totalSlots: z.number().int().optional(), totalBookedSlots: z.number().int().optional(), totalCapacity: z.number().int().optional(), unplannedShipmentsCount: z.number().int().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get capacity information
 * 
 * GET /services/appointments/v1/capacity
 */
export const getApiServicesAppointmentsV1Capacity = async (args: GetApiServicesAppointmentsV1CapacityArgs, options?: GetApiServicesAppointmentsV1CapacityOptions) => {
const {baseUrl = "https://na12.api.project44.com", fetch: fetchFn = fetch, oAuth2} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.siteCode != null) query.append("siteCode", String(args.siteCode))
if (args.capacityDate != null) query.append("capacityDate", String(args.capacityDate))
if (oAuth2 !== undefined) headers.set('authorization', `Bearer ${oAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/services/appointments/v1/capacity${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(capacityResponse, await res.json())
};