import {z} from 'zod'

export type GetApiConsentV3HistorySiteIdArgs = {siteId: number, consentUUID?: string | undefined, authId?: string | undefined, latest?: boolean | undefined};

export type GetApiConsentV3HistorySiteIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const iABAndCustomVendors = z.object({id: z.string().optional(), name: z.string().optional(), vendorType: z.string().optional()});

export const googleATPVendors = z.object({id: z.string().optional(), name: z.string().optional(), vendorType: z.string().optional(), googleId: z.number().int().optional()});

export const iABPurposes = z.object({id: z.string().optional(), name: z.string().optional(), iabPurposeRef: z.object({name: z.string().optional(), iabId: z.number().int().optional()}).optional()});

export const customPurposes = z.object({id: z.string().optional(), name: z.string().optional()});

export const getConsentResponse = z.array(z.object({_id: z.string().optional(), siteId: z.number().optional(), dateCreated: z.string().optional(), consentUUID: z.string().optional(), messageId: z.number().int().optional(), vendorListId: z.string().optional(), vendors: z.array(z.union([iABAndCustomVendors, googleATPVendors])).optional(), legIntVendors: z.array(z.union([iABAndCustomVendors, googleATPVendors])).optional(), categories: z.array(z.union([iABPurposes, customPurposes])).optional(), legIntCategories: z.array(z.union([iABPurposes, customPurposes])).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 end-user consent status
 * 
 * GET /consent/v3/history/{siteId}
 */
export const getApiConsentV3HistorySiteId = async (args: GetApiConsentV3HistorySiteIdArgs, options?: GetApiConsentV3HistorySiteIdOptions) => {
const {baseUrl = "https://cdn.privacy-mgmt.com/consent/tcfv2", fetch: fetchFn = fetch} = options ?? {}

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

if (args.consentUUID != null) query.append("consentUUID", String(args.consentUUID))
if (args.authId != null) query.append("authId", String(args.authId))
if (args.latest != null) query.append("latest", String(args.latest))

const url = `${baseUrl.replace(/\/+$/, '')}/consent/v3/history/${encodeURIComponent(String(args.siteId))}${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(getConsentResponse, await res.json())
};