import {z} from 'zod'

export type CreateApiBatchesArgs = {body: {batchType: 'unsubscribe', ids: Array<string | number>} | {batchType: 'deleteMembers', ids: Array<string | number>} | {batchType: 'addMembers', relationType: 'express-consent' | 'active-clients' | 'information-request' | 'business-card' | 'web-contacts' | 'purchased-list' | 'contest-participants' | 'mixed-list' | 'inactive-clients' | 'association-members' | 'employees' | 'partners', defaultConsentDate?: string | undefined, defaultConsentProof?: string | undefined, groups?: Array<number> | undefined, members: Array<{email: string, firstname?: string | undefined, lastname?: string | undefined, company?: string | undefined, gender?: string | undefined, language?: string | undefined, postalCode?: string | undefined, country?: string | undefined, note?: string | undefined, birthdate?: string | undefined, customFields?: {[key: string]: unknown} | undefined, consentDate?: string | undefined, consentProof?: string | undefined}>}};

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

export const batch = z.object({id: z.number().int().optional(), batchType: z.string().optional(), batchJson: z.record(z.string(), z.unknown()).optional(), createdOn: z.string().optional(), status: z.string().optional(), result: z.object({errors: z.array(z.object({id: z.union([z.string(), z.number().int()]).optional(), description: z.string().optional()})).optional(), successes: z.array(z.string()).optional()}).nullable().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
};

/**
 * Add a batch
 * 
 * POST /batches
 */
export const createApiBatches = async (args: CreateApiBatchesArgs, options?: CreateApiBatchesOptions) => {
const {baseUrl = "https://api.cyberimpact.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/batches${query.size > 0 ? `?${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(batch, await res.json())
};