import {z} from 'zod'

export type PriceRequestParam = {options?: {[key: string]: Record<string, never>} | undefined, sku?: string | undefined, quantity?: number | undefined, itemId?: number | undefined};

export type GetPricesRequest = {traceId?: string | undefined, priceList?: Array<string> | undefined, sku?: Array<string> | undefined, itemId?: Array<number> | undefined, userId?: string | undefined, userProfile?: {[key: string]: Array<string>} | undefined, isLoggedIn?: boolean | undefined, channel?: Array<number> | undefined, date?: string | undefined, priceParams?: Array<PriceRequestParam> | undefined, audit?: boolean | undefined};

export type CreateApiV1PriceGetBySkuArgs = {'x-site-context': string, body: GetPricesRequest};

export type CreateApiV1PriceGetBySkuOptions = {baseUrl?: string | undefined, AuthorizationToken?: string | undefined, fetch?: typeof fetch | undefined};

export const calculatedPriceObject = z.object({sale: z.number().optional(), cost: z.number().optional(), base: z.number().optional(), finalPrice: z.number().optional(), currency: z.string().optional(), totalPrice: z.number().optional()});

export const rtpePromotionMessages = z.array(z.object({promoId: z.string().optional(), title: z.string().optional(), message: z.string().optional(), pages: z.array(z.enum(["PDP", "PLP", "Cart", "Checkout"])).optional(), locales: z.array(z.string()).optional(), type: z.enum(["DISCOUNT", "PROXIMITY", "POTENTIAL_DISCOUNT"]).optional(), threshold: z.number().int().optional()}));

export const promotionDiscount = z.object({amount: z.number().optional(), value: z.number().optional(), groupId: z.string().optional(), promotionId: z.string().optional(), priority: z.number().int().optional(), stackable: z.boolean().optional(), title: z.string().optional(), quantity: z.number().int().optional(), promotionType: z.string().optional(), discountType: z.enum(["PERCENTAGE_OFF", "AMOUNT_OFF", "FIXED_PRICE"]).optional(), application: z.number().int().optional(), isAlwaysApplied: z.boolean().optional(), level: z.number().int().optional(), stackingType: z.enum(["STACKABLE", "EXCLUSIVE", "TYPE_EXCLUSIVE", "UNIVERSAL"]).optional(), proratedAmount: z.number().optional(), proratedQuantity: z.number().int().optional(), promotionMessages: rtpePromotionMessages.optional()});

export const calculatedPriceOffers = z.object({price: calculatedPriceObject.optional(), kind: z.string().optional(), channel: z.number().int().optional(), discounts: z.array(promotionDiscount).optional(), additionalAttributes: z.array(z.object({})).optional(), promotionMessages: rtpePromotionMessages.optional()});

export const calculatedPriceAudit = z.object({userId: z.string().optional(), priceMethodType: z.string().optional(), quantity: z.number().optional(), options: z.object({length: z.number().optional(), width: z.number().optional()}).optional(), appliedAddons: z.array(z.string()).optional()});

export const calculatedPrice = z.object({priceList: z.string().optional(), sku: z.string().optional(), itemId: z.number().int().optional(), offers: calculatedPriceOffers.optional(), audit: calculatedPriceAudit.optional()});

export const createApiV1PriceGetBySkuResponse = z.array(calculatedPrice);

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 calculated prices
 * 
 * POST /v1/price/get-by-sku
 */
export const createApiV1PriceGetBySku = async (args: CreateApiV1PriceGetBySkuArgs, options?: CreateApiV1PriceGetBySkuOptions) => {
const {baseUrl = "https://live.copilot.fabric.inc", fetch: fetchFn = fetch, AuthorizationToken} = options ?? {}

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

if (args['x-site-context'] != null) headers.set("x-site-context", String(args['x-site-context']))
if (AuthorizationToken !== undefined) headers.set('authorization', `Bearer ${AuthorizationToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/price/get-by-sku${query.size > 0 ? `?${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(createApiV1PriceGetBySkuResponse, await res.json())
};