import {z} from 'zod'

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

export const subscriptionLine = z.object({id: z.string().optional(), plan: z.string(), quantity: z.number().int().gte(1), coupon: z.string().nullable().optional(), coupon_redemptions: z.number().int().optional(), created: z.string().optional(), updated: z.string().optional()});

export const subscriptionAddonRate = z.object({billing_cycle: z.number().int().optional(), percentage: z.number().optional(), description: z.string().nullable().optional()});

export const subscriptionAddon = z.object({addon: z.string().optional(), quantity: z.number().int().gte(1).optional(), addon_redemptions: z.number().int().optional(), rates: z.array(subscriptionAddonRate).optional()});

export const subscriptionReference = z.object({date: z.string(), date_end: z.string().nullable().optional(), document: z.string(), description: z.string().nullable().optional(), serial: z.string()});

export const subscription = z.object({id: z.string().optional(), customer: z.string(), document: z.number().int(), date_start: z.string(), next_billing: z.string(), previous_billing: z.string().nullable().optional(), billing_cycles: z.number().int().nullable().optional(), next_billing_cycle: z.number().int().optional(), expiration_days: z.number().int().optional(), collection_scheme: z.enum(["send_invoice", "charge_payment"]).optional(), default_source: z.string().nullable().optional(), custom_change: z.number().gte(1).nullable().optional(), coupon: z.string().nullable().optional(), coupon_redemptions: z.number().int().optional(), require_reference: z.boolean().optional(), note: z.string().max(100).nullable().optional(), orgunit: z.number().int().nullable().optional(), status: z.enum(["active", "paused", "cancelled", "finalized", "needs_attention"]).optional(), status_description: z.string().max(512).nullable().optional(), needs_attention: z.string().nullable().optional(), needs_attention_reason: z.enum(["biller_issue", "gateway_issue", "reference_expired", "without_usage_records", "processing_issue", "without_reference"]).nullable().optional(), cancel_reason: z.enum(["custom", "fraud_review_failed", "insolvency", "no_card", "non_compliant_customer", "not_paid", "not_specified", "shutdown_ops"]).nullable().optional(), cancelled: z.string().nullable().optional(), paused: z.string().nullable().optional(), paused_reason: z.enum(["not_specified", "non_compliant_customer", "custom"]).nullable().optional(), pause_until: z.string().nullable().optional(), lines: z.array(subscriptionLine), addons: z.array(subscriptionAddon).optional(), references: z.array(subscriptionReference).optional(), test_mode: z.boolean().optional(), created: z.string().optional(), updated: 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
};

/**
 * Process next billing cycle
 * 
 * GET /subscriptions/{id}/process/
 */
export const getApiSubscriptionsIdProcess = async (options?: GetApiSubscriptionsIdProcessOptions) => {
const {baseUrl = "https://api.piriod.com", fetch: fetchFn = fetch, TokenAuth} = options ?? {}

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

if (TokenAuth !== undefined) headers.set("Authorization", TokenAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/subscriptions/${encodeURIComponent(String(args.id))}/process/${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(subscription, await res.json())
};