import {z} from 'zod'

export type BenefitTransactionFilterBenefitIdConditions = {conditions: {$is?: (string | Array<string>) | undefined, $is_not?: (string | Array<string>) | undefined, $in?: (string | Array<string>) | undefined, $not_in?: (string | Array<string>) | undefined}};

export type OrderPaymentFilterDateConditions = {conditions: {$before?: (string | Array<string>) | undefined, $after?: (string | Array<string>) | undefined, $is?: (string | Array<string>) | undefined, $more_than?: (string | Array<string>) | undefined, $less_than?: (string | Array<string>) | undefined, $has_value?: string | undefined, $is_unknown?: string | undefined}};

export type BenefitTransactionListFilters = {junction?: ('AND' | 'OR') | undefined, benefit_id?: BenefitTransactionFilterBenefitIdConditions | undefined, created_at?: OrderPaymentFilterDateConditions | undefined};

export type GetApiV2LoyaltiesProgramsProgramIdMembersMemberIdBenefitsTransactionsArgs = {programId: string, memberId: string, limit: unknown, order?: (Array<'-created_at' | 'created_at'> | '-created_at' | 'created_at') | undefined, cursor: unknown, filters?: BenefitTransactionListFilters | undefined};

export type GetApiV2LoyaltiesProgramsProgramIdMembersMemberIdBenefitsTransactionsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const benefitTransactionRejection = z.object({reason: z.string().optional(), details: z.string().optional()});

export const benefitTransactionDetails = z.object({reason: z.string().optional(), rejection: benefitTransactionRejection.optional(), metadata: z.record(z.string(), z.unknown()).optional(), result: z.record(z.string(), z.unknown()).optional()});

export const benefitTransaction = z.object({id: z.string().optional(), benefit_id: z.string().optional(), program_id: z.string().optional(), member_id: z.string().optional(), earning_rule_id: z.string().optional(), type: z.literal("FULFILLMENT").optional(), details: benefitTransactionDetails.optional(), status: z.enum(["PENDING", "APPROVED", "REJECTED"]).optional(), created_at: z.string().optional(), updated_at: z.string().optional(), object: z.string().optional()});

export const benefitTransactionListResponse = z.object({data: z.array(benefitTransaction).optional(), cursor: z.object({next: z.string().optional(), expires_at: z.string().optional()}).optional(), object: z.string().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
};

/**
 * List member benefit transactions
 * 
 * GET /v2/loyalties/programs/{programId}/members/{memberId}/benefits/transactions
 */
export const getApiV2LoyaltiesProgramsProgramIdMembersMemberIdBenefitsTransactions = async (args: GetApiV2LoyaltiesProgramsProgramIdMembersMemberIdBenefitsTransactionsArgs, options?: GetApiV2LoyaltiesProgramsProgramIdMembersMemberIdBenefitsTransactionsOptions) => {
const {baseUrl = "https://api.voucherify.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.order != null) query.append("order", String(args.order))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.filters != null) query.append("filters", JSON.stringify(args.filters))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/loyalties/programs/${encodeURIComponent(String(args.programId))}/members/${encodeURIComponent(String(args.memberId))}/benefits/transactions${query.size > 0 ? `?${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(benefitTransactionListResponse, await res.json())
};