import {z} from 'zod'

export type GetApiProductsArgs = {limit?: number | undefined, page?: number | undefined, updated_at_min?: string | undefined, sku?: string | undefined, include_deleted?: boolean | undefined, cursor?: string | undefined};

export type GetApiProductsOptions = {baseUrl?: string | undefined, OAuth?: string | undefined, AppCredentials?: string | undefined, fetch?: typeof fetch | undefined};

export const externalProductV2SaleState = z.enum(["FOR_SALE", "SALES_PAUSED"]);

export const externalProductV2LifecycleState = z.enum(["DRAFT", "PUBLISHED", "UNPUBLISHED", "DELETED"]);

export const externalImageV2 = z.object({id: z.string().optional(), width: z.number().int().optional(), height: z.number().int().optional(), sequence: z.number().int().optional(), url: z.string().optional(), original_url: z.string().optional(), tags: z.array(z.string()).optional()});

export const externalProductVariantOptionV2 = z.object({name: z.string().optional(), value: z.string().optional()});

export const externalProductVariantV2PricePriceGeoConstraint = z.object({country: z.string().optional(), country_group: z.string().optional()});

export const externalMoneyV2 = z.object({amount_minor: z.number().int().optional(), currency: z.string().optional()});

export const externalProductVariantV2Price = z.object({geo_constraint: externalProductVariantV2PricePriceGeoConstraint.optional(), wholesale_price: externalMoneyV2.optional(), retail_price: externalMoneyV2.optional()});

export const externalProductVariantV2VariantPreorderDetails = z.object({expected_ship_date: z.string().optional(), expected_ship_window_end_date: z.string().optional(), stop_selling_at: z.number().int().optional()});

export const externalMassUnitV2 = z.enum(["GRAMS", "KILOGRAMS", "OUNCES", "POUNDS"]);

export const externalDistanceUnitV2 = z.enum(["CENTIMETERS", "INCHES", "FEET", "MILLIMETERS", "METERS", "YARDS"]);

export const externalMeasurementsV2 = z.object({mass_unit: externalMassUnitV2.optional(), weight: z.number().optional(), distance_unit: externalDistanceUnitV2.optional(), length: z.number().optional(), width: z.number().optional(), height: z.number().optional()});

export const externalProductVariantV2VariantOrderabilityType = z.enum(["IMMEDIATE", "PREORDER"]);

export const externalProductVariantV2 = z.object({id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), product_id: z.string().optional(), name: z.string().optional(), sale_state: externalProductV2SaleState.optional(), lifecycle_state: externalProductV2LifecycleState.optional(), idempotence_token: z.string().optional(), sku: z.string().optional(), available_quantity: z.number().int().optional(), backordered_until: z.string().optional(), wholesale_price_cents: z.number().int().optional(), retail_price_cents: z.number().int().optional(), tariff_code: z.string().optional(), images: z.array(externalImageV2).optional(), options: z.array(externalProductVariantOptionV2).optional(), prices: z.array(externalProductVariantV2Price).optional(), variant_preorder_details: externalProductVariantV2VariantPreorderDetails.optional(), measurements: externalMeasurementsV2.optional(), gtin: z.string().optional(), orderability_type: externalProductVariantV2VariantOrderabilityType.optional(), case_measurements: externalMeasurementsV2.optional()});

export const externalProductVariantOptionDefinitionV2 = z.object({name: z.string().optional(), values: z.array(z.string()).optional()});

export const externalTaxonomyTypeV2 = z.object({id: z.string().optional(), name: z.string().optional()});

export const externalProductV2PreorderDetails = z.object({order_by_date: z.string().optional(), keep_active_past_order_by_date: z.boolean().optional(), expected_ship_date: z.string().optional(), expected_ship_window_end_date: z.string().optional()});

export const externalProductTaxonomyAttributeV2 = z.object({name: z.string().optional(), value: z.string().optional()});

export const externalPublicationValidationErrorV2 = z.object({error_code: z.string().optional(), field_path: z.string().optional(), message: z.string().optional()});

export const externalProductV2 = z.object({id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), brand_id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), short_description: z.string().optional(), sale_state: externalProductV2SaleState.optional(), lifecycle_state: externalProductV2LifecycleState.optional(), variants: z.array(externalProductVariantV2).optional(), idempotence_token: z.string().optional(), unit_multiplier: z.number().int().optional(), minimum_order_quantity: z.number().int().optional(), per_style_minimum_order_quantity: z.number().int().optional(), allow_sales_when_out_of_stock: z.boolean().optional(), images: z.array(externalImageV2).optional(), variant_option_sets: z.array(externalProductVariantOptionDefinitionV2).optional(), taxonomy_type: externalTaxonomyTypeV2.optional(), preorderable: z.boolean().optional(), preorder_details: externalProductV2PreorderDetails.optional(), product_attributes: z.array(externalProductTaxonomyAttributeV2).optional(), made_in_country: z.string().optional(), publication_warnings: z.array(externalPublicationValidationErrorV2).optional()});

export const getExternalProductsResponseV2 = z.object({products: z.array(externalProductV2).optional(), page: z.number().int().optional(), limit: z.number().int().optional(), updated_at_min: z.string().optional(), cursor: 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
};

/**
 * GET /products
 * 
 * GET /products
 */
export const getApiProducts = async (args: GetApiProductsArgs, options?: GetApiProductsOptions) => {
const {baseUrl = "https://www.faire.com/external-api/v2", fetch: fetchFn = fetch, OAuth, AppCredentials} = 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.page != null) query.append("page", String(args.page))
if (args.updated_at_min != null) query.append("updated_at_min", String(args.updated_at_min))
if (args.sku != null) query.append("sku", String(args.sku))
if (args.include_deleted != null) query.append("include_deleted", String(args.include_deleted))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (OAuth !== undefined) headers.set("X-FAIRE-OAUTH-ACCESS-TOKEN", OAuth)
if (AppCredentials !== undefined) headers.set("X-FAIRE-APP-CREDENTIALS", AppCredentials)

const url = `${baseUrl.replace(/\/+$/, '')}/products${query.size > 0 ? `?${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(getExternalProductsResponseV2, await res.json())
};