import {z} from 'zod'

export type GetApiDiscountsIdArgs = {id: string};

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

export const discountAttributes = z.object({id: z.number().int().optional(), public_id: z.string().nullable().optional(), workspace_id: z.number().int().optional(), name: z.string().optional(), code: z.string().optional(), discount_type: z.enum(["code", "automatic", "sale"]).optional(), discount_method: z.enum(["percentage", "fixed", "shipping", "bogo"]).optional(), amount: z.string().nullable().optional(), percent: z.string().nullable().optional(), currency: z.string().optional(), applies_to: z.enum(["all_products", "specific_products", "specific_variants", "specific_collections"]).optional(), apply_from: z.string().optional(), apply_until: z.string().nullable().optional(), limit_1_per_customer: z.boolean().optional(), require_minimum_spend: z.boolean().optional(), require_minimum_spend_amount: z.number().int().nullable().optional(), discounts_per_redemption: z.number().int().nullable().optional(), redemptions_count: z.number().int().optional(), product_ids: z.array(z.number().int()).optional(), variant_ids: z.array(z.number().int()).optional(), products_collection_ids: z.array(z.number().int()).optional(), active: z.boolean().optional(), expired: z.boolean().optional(), scheduled: z.boolean().optional(), created_at: z.string().nullable().optional(), updated_at: z.string().nullable().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
};

/**
 * Fetch Discount
 * 
 * GET /discounts/{id}
 * 
 * Also accepts auth: OAuth2
 */
export const getApiDiscountsId = async (args: GetApiDiscountsIdArgs, options?: GetApiDiscountsIdOptions) => {
const {baseUrl = "https://myworkspace.myclickfunnels.com/api/v2", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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