import {z} from 'zod'

export type GetApiProductsArgs = {limit?: number | undefined, offset?: number | undefined, order?: ('wwwUpdateDate' | 'title') | undefined, orderDirection?: string | undefined, productId?: string | undefined, category?: string | undefined};

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

export const product = z.object({productId: z.string().optional(), wwwUpdateDate: z.string().optional(), uuid: z.string().optional(), title: z.string().optional(), url: z.string().optional(), category: z.array(z.object({level: z.union([z.literal(1), z.literal(2), z.literal(3), z.literal(4)]).optional(), title: z.string().optional()})).optional(), description: z.string().optional(), features: z.string().optional(), applications: z.string().optional(), images: z.array(z.string()).optional(), orderableProducts: z.array(z.object({orderableId: z.string().optional(), href: z.string().optional()})).optional(), relatedBoardsKits: z.array(z.object({boardKitId: z.string().optional(), title: z.string().optional(), href: z.string().optional()})).optional(), featuredDocuments: z.array(z.object({agileId: z.string().optional(), dcpDocumentId: z.string().nullable().optional(), title: z.string().optional(), type: z.string().optional(), language: z.string().optional(), href: z.string().optional()})).optional(), relatedDocuments: z.array(z.object({agileId: z.string().optional(), dcpDocumentId: z.string().nullable().optional(), title: z.string().optional(), type: z.string().optional(), language: z.string().optional(), href: z.string().optional()})).optional(), relatedDocumentsSecondary: z.array(z.object({agileId: z.string().optional(), dcpDocumentId: z.string().nullable().optional(), title: z.string().optional(), type: z.string().optional(), language: z.string().optional(), href: z.string().optional()})).optional(), softwareTools: z.array(z.object({softwareToolName: z.string().optional(), href: z.string().optional()})).optional(), applicationBlockDiagrams: z.array(z.object({title: z.string().optional(), description: z.string().optional(), imageUrl: z.string().optional(), url: z.string().optional()})).optional()});

export const getApiProductsResponse = z.object({data: z.array(product).optional(), pagination: z.object({offset: z.number().int().optional(), limit: z.number().int().optional(), total: z.number().int().optional(), has_more: z.boolean().optional()}).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 All Products
 * 
 * GET /products
 */
export const getApiProducts = async (args: GetApiProductsArgs, options?: GetApiProductsOptions) => {
const {baseUrl = "https://api.renesas.com/web-data/v1", fetch: fetchFn = fetch, ApiKeyAuth} = 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.offset != null) query.append("offset", String(args.offset))
if (args.order != null) query.append("order", String(args.order))
if (args.orderDirection != null) query.append("orderDirection", String(args.orderDirection))
if (args.productId != null) query.append("productId", String(args.productId))
if (args.category != null) query.append("category", String(args.category))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

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(getApiProductsResponse, await res.json())
};