import {z} from 'zod'

export type PublicOutputFormat = 'JSON' | 'CSV';

export type EdgeSource = 'Customer' | 'Media' | 'Customs' | 'PrewavePrediction';

export type GetApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphArgs = {collectionId: number, format?: PublicOutputFormat | undefined, includeHeaderMetadata?: boolean | undefined, includeCommodityFilter?: boolean | undefined, includeMediaSources?: boolean | undefined, includeShipmentDetails?: boolean | undefined, tier?: number | undefined, source?: EdgeSource | undefined, lastShipment?: string | undefined, hsCodes?: Array<string> | undefined};

export type GetApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphOptions = {baseUrl?: string | undefined, TokenAuthentication?: string | undefined, fetch?: typeof fetch | undefined};

export const edgeSource = z.enum(["Customer", "Media", "Customs", "PrewavePrediction"]);

export const publicSupplierGraphShipment = z.object({hscode: z.number().int(), nShipments: z.number().int().nullable().optional(), lastShipment: z.string().nullable().optional(), nshipments: z.number().int().optional()});

export const publicSupplierGraphEntry = z.object({tier: z.number().int(), supplierId: z.number().int(), customerId: z.number().int(), source: edgeSource, probability: z.number().int().nullable().optional(), mediaSources: z.array(z.string()).nullable().optional(), nShipments: z.number().int().nullable().optional(), shipments: z.array(publicSupplierGraphShipment).nullable().optional(), nshipments: z.number().int().optional()});

export const getApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphResponse = z.array(publicSupplierGraphEntry);

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 a tree-structure of suppliers of the given collection
 * 
 * GET /public/v3/alpha/suppliers/collection/{collectionId}/supplier-graph
 */
export const getApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraph = async (args: GetApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphArgs, options?: GetApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphOptions) => {
const {baseUrl = "https://api.prewave.com", fetch: fetchFn = fetch, TokenAuthentication} = options ?? {}

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

if (args.format != null) query.append("format", String(args.format))
if (args.includeHeaderMetadata != null) query.append("includeHeaderMetadata", String(args.includeHeaderMetadata))
if (args.includeCommodityFilter != null) query.append("includeCommodityFilter", String(args.includeCommodityFilter))
if (args.includeMediaSources != null) query.append("includeMediaSources", String(args.includeMediaSources))
if (args.includeShipmentDetails != null) query.append("includeShipmentDetails", String(args.includeShipmentDetails))
if (args.tier != null) query.append("tier", String(args.tier))
if (args.source != null) query.append("source", String(args.source))
if (args.lastShipment != null) query.append("lastShipment", String(args.lastShipment))
for (const item of args.hsCodes ?? []) query.append("hsCodes", String(item))
if (TokenAuthentication !== undefined) headers.set("X-Auth-Token", TokenAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/public/v3/alpha/suppliers/collection/${encodeURIComponent(String(args.collectionId))}/supplier-graph${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(getApiPublicV3AlphaSuppliersCollectionCollectionIdSupplierGraphResponse, await res.json())
};