import {z} from 'zod'

export type GetApiApiV1SubscriptionsPlansArgs = {frequency?: number | undefined, frequency_unit?: ('D' | 'M' | 'W' | 'Y') | undefined, name?: string | undefined, page?: number | undefined, record_id?: string | undefined, reference?: string | undefined, updated_at_after?: string | undefined, updated_at_before?: string | undefined};

export type GetApiApiV1SubscriptionsPlansOptions = {baseUrl?: string | undefined, IntaSendBearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const frequencyUnitEnum = z.enum(["D", "W", "M", "Y"]);

export const currencyEnum = z.enum(["KES", "GHS", "NGN", "UGX", "TZS", "XAF", "XOF"]);

export const planSer = z.object({name: z.string().max(32), plan_id: z.string(), frequency: z.number().int().gte(0).lte(2147483647), frequency_unit: frequencyUnitEnum.optional(), billing_cycles: z.number().int().gte(0).lte(2147483647).optional(), currency: currencyEnum, amount: z.string(), reference: z.string().max(45).nullable().optional(), plan_url: z.string(), redirect_url: z.string().max(400).nullable().optional(), created_at: z.string().nullable(), updated_at: z.string().nullable()});

export const paginatedPlanSerList = z.object({count: z.number().int(), next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(planSer)});

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 Subscriptions plans
 * 
 * GET /api/v1/subscriptions-plans/
 */
export const getApiApiV1SubscriptionsPlans = async (args: GetApiApiV1SubscriptionsPlansArgs, options?: GetApiApiV1SubscriptionsPlansOptions) => {
const {baseUrl = "https://api.intasend.com", fetch: fetchFn = fetch, IntaSendBearerAuth} = options ?? {}

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

if (args.frequency != null) query.append("frequency", String(args.frequency))
if (args.frequency_unit != null) query.append("frequency_unit", String(args.frequency_unit))
if (args.name != null) query.append("name", String(args.name))
if (args.page != null) query.append("page", String(args.page))
if (args.record_id != null) query.append("record_id", String(args.record_id))
if (args.reference != null) query.append("reference", String(args.reference))
if (args.updated_at_after != null) query.append("updated_at_after", String(args.updated_at_after))
if (args.updated_at_before != null) query.append("updated_at_before", String(args.updated_at_before))
if (IntaSendBearerAuth !== undefined) headers.set('authorization', `Bearer ${IntaSendBearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/subscriptions-plans/${query.size > 0 ? `?${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(paginatedPlanSerList, await res.json())
};