import {z} from 'zod'

export type ExtBookingCapacityData = {unit: 'hours' | 'percentage' | 'fraction', timeGranularity?: ('daily' | 'weekly' | 'monthly' | null) | undefined, capacity: number};

export type ExtBookingSchema = {creatorEmail: string, createdAt: number, bookingId?: (number | null) | undefined, startDateIso?: string | undefined, endDateIso?: string | undefined, bookedCapacity?: (ExtBookingCapacityData | null) | undefined, lastModifiedAt?: (number | null) | undefined, endDate?: number | undefined, lastModifierEmail?: (string | null) | undefined, extBookingId: string, startDate?: number | undefined, extDemandId?: (string | null) | undefined, employeeId: string, bookingStatus: 'pending' | 'approved' | 'rejected', bookingType: 'demand' | 'leave' | 'optional_holiday' | 'blocker'};

export type CreateApiApiV2ResourceManagementExtSystemsResourcingExtBookingsArgs = {Authorization: string, body: ExtBookingSchema};

export type CreateApiApiV2ResourceManagementExtSystemsResourcingExtBookingsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const extBookingCapacityData = z.object({unit: z.enum(["hours", "percentage", "fraction"]), timeGranularity: z.enum(["daily", "weekly", "monthly"]).nullable().optional(), capacity: z.number()});

export const extBookingSchema = z.object({creatorEmail: z.string(), createdAt: z.number().int(), bookingId: z.number().int().nullable().optional(), startDateIso: z.string().optional(), endDateIso: z.string().optional(), bookedCapacity: extBookingCapacityData.nullable().optional(), lastModifiedAt: z.number().int().nullable().optional(), endDate: z.number().int().optional(), lastModifierEmail: z.string().nullable().optional(), extBookingId: z.string(), startDate: z.number().int().optional(), extDemandId: z.string().nullable().optional(), employeeId: z.string(), bookingStatus: z.enum(["pending", "approved", "rejected"]), bookingType: z.enum(["demand", "leave", "optional_holiday", "blocker"])});

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
};

/**
 * Create External Booking
 * 
 * POST /api/v2/resource_management/ext-systems/resourcing/ext-bookings
 */
export const createApiApiV2ResourceManagementExtSystemsResourcingExtBookings = async (args: CreateApiApiV2ResourceManagementExtSystemsResourcingExtBookingsArgs, options?: CreateApiApiV2ResourceManagementExtSystemsResourcingExtBookingsOptions) => {
const {baseUrl = "https://apiv2.eightfold.ai", fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/resource_management/ext-systems/resourcing/ext-bookings${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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