import {z} from 'zod'

export type MonetaryAmount = {currency?: ({currencyCode?: string | undefined, defaultFractionDigits?: number | undefined, displayName?: string | undefined, numericCode?: number | undefined, numericCodeAsString?: string | undefined, symbol?: string | undefined}) | undefined, value?: number | undefined};

export type ProductPricing = {basePrice?: MonetaryAmount | undefined, onSale?: boolean | undefined, salePrice?: MonetaryAmount | undefined};

export type ProductDimensionsUnit = 'CENTIMETER' | 'INCH';

export type ProductDimensions = {height?: number | undefined, length?: number | undefined, unit?: ProductDimensionsUnit | undefined, width?: number | undefined};

export type ProductWeightUnit = 'KILOGRAM' | 'POUND';

export type ProductWeight = {unit?: ProductWeightUnit | undefined, value?: number | undefined};

export type ProductMeasurements = {dimensions?: ProductDimensions | undefined, weight?: ProductWeight | undefined};

export type ProductStock = {quantity?: number | undefined, unlimited?: boolean | undefined};

export type CreateVariantRequestV2 = {attributes?: {[key: string]: string} | undefined, gtin?: string | undefined, mpn?: string | undefined, pricing: ProductPricing, shippingMeasurements?: ProductMeasurements | undefined, sku: string, stock?: ProductStock | undefined};

export type CreateApiV2CommerceProductsProductIdVariantsArgs = {productId: string, Authorization: string, 'User-Agent': string, body: CreateVariantRequestV2};

export type CreateApiV2CommerceProductsProductIdVariantsOptions = {baseUrl?: string | undefined, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const productImage = z.object({altText: z.string().optional(), availableFormats: z.array(z.string()).optional(), id: z.string().optional(), orderIndex: z.number().int().optional(), originalSize: z.object({}).optional(), url: z.string().optional()});

export const monetaryAmount = z.object({currency: z.object({currencyCode: z.string().optional(), defaultFractionDigits: z.number().int().optional(), displayName: z.string().optional(), numericCode: z.number().int().optional(), numericCodeAsString: z.string().optional(), symbol: z.string().optional()}).optional(), value: z.number().optional()});

export const fullProductPricing = z.object({basePrice: monetaryAmount.optional(), onSale: z.boolean().optional(), salePrice: monetaryAmount.optional()});

export const productDimensionsUnit = z.enum(["CENTIMETER", "INCH"]);

export const productDimensions = z.object({height: z.number().optional(), length: z.number().optional(), unit: productDimensionsUnit.optional(), width: z.number().optional()});

export const productWeightUnit = z.enum(["KILOGRAM", "POUND"]);

export const productWeight = z.object({unit: productWeightUnit.optional(), value: z.number().optional()});

export const productMeasurements = z.object({dimensions: productDimensions.optional(), weight: productWeight.optional()});

export const productStock = z.object({quantity: z.number().int().optional(), unlimited: z.boolean().optional()});

export const simpleProductPricing = z.object({basePrice: monetaryAmount.optional()});

export const productVariantV2 = z.union([z.object({id: z.string().optional(), image: productImage.optional(), sku: z.string().optional(), attributes: z.record(z.string(), z.string()).optional(), gtin: z.string().optional(), mpn: z.string().optional(), pricing: fullProductPricing.optional(), shippingMeasurements: productMeasurements.optional(), stock: productStock.optional()}), z.object({id: z.string().optional(), image: productImage.optional(), sku: z.string().optional(), pricing: simpleProductPricing.optional()}), z.object({id: z.string().optional(), image: productImage.optional(), sku: z.string().optional(), attributes: z.record(z.string(), z.string()).optional(), pricing: fullProductPricing.optional(), stock: productStock.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
};

/**
 * Create product variant
 * 
 * POST /v2/commerce/products/{productId}/variants
 */
export const createApiV2CommerceProductsProductIdVariants = async (args: CreateApiV2CommerceProductsProductIdVariantsArgs, options?: CreateApiV2CommerceProductsProductIdVariantsOptions) => {
const {baseUrl = "https://api.squarespace.com", fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (args['User-Agent'] != null) headers.set("User-Agent", String(args['User-Agent']))
if (Authorization !== undefined) headers.set('authorization', `Bearer ${Authorization}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/commerce/products/${encodeURIComponent(String(args.productId))}/variants${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(productVariantV2, await res.json())
};