import {z} from 'zod'

export type GetApiProductsGetProductAnalyticsV1Args = {productId: string, variantId: string, range: string};

export type GetApiProductsGetProductAnalyticsV1Options = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiProductsGetProductAnalyticsV1Response = z.object({data: z.object({marketPrice: z.object({value: z.number(), change: z.number(), changePercent: z.number(), dataPoints: z.array(z.object({value: z.number(), timestamp: z.string()}))}), premium: z.object({value: z.number(), change: z.number(), changePercent: z.number(), dataPoints: z.array(z.object({value: z.number(), timestamp: z.string()}))}), depth: z.object({value: z.number(), change: z.number(), changePercent: z.number(), dataPoints: z.array(z.object({value: z.number(), timestamp: z.string()}))})})});

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 product analytics
 * 
 * GET /products/get-product-analytics/v1
 */
export const getApiProductsGetProductAnalyticsV1 = async (args: GetApiProductsGetProductAnalyticsV1Args, options?: GetApiProductsGetProductAnalyticsV1Options) => {
const {baseUrl = "https://api.collectpure.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.productId != null) query.append("productId", String(args.productId))
if (args.variantId != null) query.append("variantId", String(args.variantId))
if (args.range != null) query.append("range", String(args.range))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/products/get-product-analytics/v1${query.size > 0 ? `?${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(getApiProductsGetProductAnalyticsV1Response, await res.json())
};