import {z} from 'zod'

export type LimitConfig = {action: string, limit: number, period?: ('daily' | 'weekly' | 'monthly' | 'yearly') | undefined, entities: Array<'Coupon' | 'Referral' | 'Profile' | 'Identifier' | 'Store' | 'Session'>};

export type NewCoupons = {usageLimit: number, discountLimit?: number | undefined, reservationLimit?: number | undefined, startDate?: string | undefined, expiryDate?: string | undefined, limits?: Array<LimitConfig> | undefined, numberOfCoupons: number, batchId?: string | undefined, uniquePrefix?: string | undefined, attributes?: Record<string, never> | undefined, recipientIntegrationId?: string | undefined, validCharacters?: Array<string> | undefined, couponPattern?: string | undefined, isReservationMandatory?: boolean | undefined, implicitlyReserved?: boolean | undefined, supportRequestId?: number | undefined, supportRequestNote?: string | undefined};

export type CreateApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsArgs = {silent?: string | undefined, applicationId: number, campaignId: number, body: NewCoupons};

export type CreateApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsOptions = {baseUrl?: string | undefined, managerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const limitConfig = z.object({action: z.string(), limit: z.number().gte(0), period: z.enum(["daily", "weekly", "monthly", "yearly"]).optional(), entities: z.array(z.enum(["Coupon", "Referral", "Profile", "Identifier", "Store", "Session"]))});

export const coupon = z.object({id: z.number().int(), created: z.string(), campaignId: z.number().int(), value: z.string().min(4), usageLimit: z.number().int().gte(0).lte(999999), discountLimit: z.number().gte(0).lte(1000000000000000).optional(), reservationLimit: z.number().int().gte(0).lte(999999).optional(), startDate: z.string().optional(), expiryDate: z.string().optional(), limits: z.array(limitConfig).optional(), usageCounter: z.number().int(), discountCounter: z.number().optional(), discountRemainder: z.number().optional(), reservationCounter: z.number().optional(), attributes: z.object({}).optional(), referralId: z.number().int().optional(), recipientIntegrationId: z.string().max(1000).optional(), importId: z.number().int().optional(), reservation: z.boolean().optional(), batchId: z.string().optional(), isReservationMandatory: z.boolean().optional(), implicitlyReserved: z.boolean().optional()});

export const createApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsResponse = z.object({totalResultSize: z.number().int(), data: z.array(coupon)});

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 coupons
 * 
 * POST /v1/applications/{applicationId}/campaigns/{campaignId}/coupons
 * 
 * Also accepts auth: management_key
 */
export const createApiV1ApplicationsApplicationIdCampaignsCampaignIdCoupons = async (args: CreateApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsArgs, options?: CreateApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsOptions) => {
const {baseUrl = "https://yourbaseurl.talon.one", fetch: fetchFn = fetch, managerAuth} = options ?? {}

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

if (args.silent != null) query.append("silent", String(args.silent))
if (managerAuth !== undefined) headers.set("Authorization", managerAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/applications/${encodeURIComponent(String(args.applicationId))}/campaigns/${encodeURIComponent(String(args.campaignId))}/coupons${query.size > 0 ? `?${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(createApiV1ApplicationsApplicationIdCampaignsCampaignIdCouponsResponse, await res.json())
};