import {z} from 'zod'

export type GetApiRewardFulfillmentsArgs = {customer_id?: number | undefined, fulfillment_status?: ('pending' | 'issued' | 'cancelled' | 'failed') | undefined, usage_status?: ('used' | 'unused' | 'untracked') | undefined, updated_at_min?: string | undefined, limit?: number | undefined, cursor?: string | undefined};

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

export const rewardFulfillment = z.object({id: z.number().int().optional(), name: z.string().optional(), code: z.string().optional(), customer_id: z.number().int().optional(), fulfillment_status: z.enum(["pending", "issued", "cancelled", "failed"]).optional(), image_url: z.string().optional(), action_text: z.string().nullable().optional(), action_url: z.string().nullable().optional(), usage_instructions: z.string().nullable().optional(), terms_and_conditions: z.string().nullable().optional(), expires_at: z.string().nullable().optional(), usage_status: z.enum(["used", "unused", "untracked"]).optional(), used_at: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const paginationMetadata = z.object({next_cursor: z.string().nullable().optional(), previous_cursor: z.string().nullable().optional()});

export const getApiRewardFulfillmentsResponse = z.object({reward_fulfillments: z.array(rewardFulfillment).optional(), metadata: paginationMetadata.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 reward fulfillments
 * 
 * GET /reward_fulfillments
 */
export const getApiRewardFulfillments = async (args: GetApiRewardFulfillmentsArgs, options?: GetApiRewardFulfillmentsOptions) => {
const {baseUrl = "https://api.smile.io/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.customer_id != null) query.append("customer_id", String(args.customer_id))
if (args.fulfillment_status != null) query.append("fulfillment_status", String(args.fulfillment_status))
if (args.usage_status != null) query.append("usage_status", String(args.usage_status))
if (args.updated_at_min != null) query.append("updated_at_min", String(args.updated_at_min))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/reward_fulfillments${query.size > 0 ? `?${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(getApiRewardFulfillmentsResponse, await res.json())
};