import {z} from 'zod'

export type UpdateOperation = {jobId?: string | undefined, personId?: string | undefined, date?: string | undefined, update: {[key: string]: Record<string, never>}};

export type BulkJobPersonUpdateRequest = {updates: Array<UpdateOperation>, date: string, scenarioId?: string | undefined, note?: string | undefined};

export type CreateApiV2OrgOrgIdJobBulkupdatePreviewArgs = {orgId: string, enrichLinkedFields?: boolean | undefined, format?: string | undefined, body: BulkJobPersonUpdateRequest};

export type CreateApiV2OrgOrgIdJobBulkupdatePreviewOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const jobEnrichmentPreview = z.object({jobId: z.string().optional(), personId: z.string().optional(), enrichedFields: z.record(z.string(), z.object({})), previousFields: z.record(z.string(), z.object({}))});

export const bulkJobEnrichmentPreviewResponse = z.object({previews: z.array(jobEnrichmentPreview)});

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
};

/**
 * Preview the job code linked fields a bulk update will overwrite, without saving
 * 
 * POST /v2/org/{orgId}/job/bulkupdate/preview
 */
export const createApiV2OrgOrgIdJobBulkupdatePreview = async (args: CreateApiV2OrgOrgIdJobBulkupdatePreviewArgs, options?: CreateApiV2OrgOrgIdJobBulkupdatePreviewOptions) => {
const {baseUrl = "https://localhost", fetch: fetchFn = fetch} = options ?? {}

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

if (args.enrichLinkedFields != null) query.append("enrichLinkedFields", String(args.enrichLinkedFields))
if (args.format != null) query.append("format", String(args.format))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/org/${encodeURIComponent(String(args.orgId))}/job/bulkupdate/preview${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(bulkJobEnrichmentPreviewResponse, await res.json())
};