import {z} from 'zod'

export type GetApiV5ProductsSkuArgs = {sku: string};

export type GetApiV5ProductsSkuOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const attributeProductsV5 = z.object({name: z.string().optional(), values: z.array(z.string()).optional(), additional: z.boolean().optional()});

export const productDescriptionProductsV5 = z.object({category: z.string(), brandId: z.string(), productLine: z.string().optional(), productionDate: z.string().optional(), multiPack: z.boolean().optional(), bundle: z.boolean().optional(), fscCertified: z.boolean().optional(), disposal: z.boolean().optional(), productUrl: z.string().optional(), description: z.string().optional(), bulletPoints: z.array(z.string()).optional(), attributes: z.array(attributeProductsV5).optional()});

export const mediaAssetProductsV5 = z.object({type: z.enum(["IMAGE", "DIMENSIONAL_DRAWING", "COLOR_VARIANT", "ENERGY_EFFICIENCY_LABEL", "MATERIAL_SAMPLE", "PRODUCT_DATASHEET", "USER_MANUAL", "MANUFACTURER_WARRANTY", "SAFETY_DATASHEET", "ASSEMBLY_INSTRUCTIONS", "WARNING_LABEL"]), location: z.string()});

export const maxOrderQuantityProductsV5 = z.object({quantity: z.number().int().optional(), periodInDays: z.number().int().optional()});

export const orderProductsV5 = z.object({maxOrderQuantity: maxOrderQuantityProductsV5.optional()});

export const monetaryAmountProductsV5 = z.object({amount: z.number().optional(), currency: z.string().optional()});

export const saleProductsV5 = z.object({salePrice: monetaryAmountProductsV5.optional(), startDate: z.string().optional(), endDate: z.string().optional()});

export const normPriceInfoProductsV5 = z.object({normAmount: z.union([z.literal(1), z.literal(100), z.literal(1000)]).optional(), normUnit: z.enum(["Stk", "qm", "kg", "l", "m", "ml", "g", "Paar", "RM", "dm3"]).optional(), salesAmount: z.number().optional(), salesUnit: z.enum(["Stk", "qm", "kg", "l", "m", "ml", "g", "Paar", "RM", "dm3"]).optional()});

export const pricingProductsV5 = z.object({standardPrice: monetaryAmountProductsV5, vat: z.enum(["FULL", "REDUCED", "FREE", "NONE"]), msrp: monetaryAmountProductsV5.optional(), sale: saleProductsV5.optional(), normPriceInfo: normPriceInfoProductsV5.optional()});

export const packingUnitProductsV5 = z.object({weight: z.number().int().optional(), width: z.number().int().optional(), height: z.number().int().optional(), length: z.number().int().optional()});

export const logisticsProductsV5 = z.object({packingUnitCount: z.number().int().optional(), packingUnits: z.array(packingUnitProductsV5).optional()});

export const productSafetyAddressRoleProductsV5 = z.enum(["MANUFACTURER", "DISTRIBUTOR"]);

export const productSafetyAddressProductsV5 = z.object({name: z.string(), address: z.string(), regionCode: z.string().optional(), email: z.string().optional(), url: z.string().optional(), phone: z.string().optional(), roles: z.array(productSafetyAddressRoleProductsV5), components: z.array(z.string()).optional()});

export const productSafetyProductsV5 = z.object({addresses: z.array(productSafetyAddressProductsV5).optional()});

export const foodInformationAddressRoleProductsV5 = z.enum(["FOOD_BUSINESS_OPERATOR", "FEED_BUSINESS_OPERATOR"]);

export const foodInformationAddressProductsV5 = z.object({name: z.string(), address: z.string(), regionCode: z.string().optional(), email: z.string().optional(), url: z.string().optional(), phone: z.string().optional(), roles: z.array(foodInformationAddressRoleProductsV5), components: z.array(z.string()).optional()});

export const foodInformationProductsV5 = z.object({addresses: z.array(foodInformationAddressProductsV5).optional()});

export const productComplianceProductsV5 = z.object({productSafety: productSafetyProductsV5.optional(), foodInformation: foodInformationProductsV5.optional()});

export const productVariationProductsV5 = z.object({productReference: z.string(), sku: z.string(), ean: z.string(), pzn: z.string().optional(), mpn: z.string().optional(), moin: z.string().optional(), releaseDate: z.string().optional(), productDescription: productDescriptionProductsV5, mediaAssets: z.array(mediaAssetProductsV5), order: orderProductsV5.optional(), pricing: pricingProductsV5, logistics: logisticsProductsV5.optional(), compliance: productComplianceProductsV5});

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
};

/**
 * Read a single product variation
 * 
 * GET /v5/products/{sku}
 */
export const getApiV5ProductsSku = async (args: GetApiV5ProductsSkuArgs, options?: GetApiV5ProductsSkuOptions) => {
const {baseUrl = "https://api.otto.market", 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 = `${baseUrl.replace(/\/+$/, '')}/v5/products/${encodeURIComponent(String(args.sku))}${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(productVariationProductsV5, await res.json())
};