import {z} from 'zod'

export type GetApiConsumersConsumerIdSyncsSyncidPreviewsArgs = {consumer_id: string, syncid: string, page?: number | undefined, size?: number | undefined, language?: (string | null) | undefined};

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

export const previewCount = z.object({kind: z.string(), title: z.string(), count: z.number().int()});

export const previewIssue = z.object({kind: z.string(), code: z.string(), message: z.string(), cause: z.record(z.string(), z.unknown()), source_ids: z.array(z.string()), table_key: z.string().nullable().optional(), table_title: z.string().nullable().optional(), source_keys: z.array(z.string()).nullable().optional()});

export const preview = z.object({preview_id: z.string(), status: z.enum(["pending", "ready", "failed"]), started_at: z.string(), finished_at: z.string().nullable(), error: z.string().nullable(), counts: z.array(previewCount), issues: z.array(previewIssue), refill_suggested: z.boolean()});

export const chiftPagePreview = z.object({items: z.array(preview), total: z.number().int().gte(0), page: z.number().int().gte(1), size: z.number().int().gte(1)});

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
};

/**
 * A consumer's recent previews
 * 
 * GET /consumers/{consumer_id}/syncs/{syncid}/previews
 */
export const getApiConsumersConsumerIdSyncsSyncidPreviews = async (args: GetApiConsumersConsumerIdSyncsSyncidPreviewsArgs, options?: GetApiConsumersConsumerIdSyncsSyncidPreviewsOptions) => {
const {baseUrl = "https://api.chift.eu", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (args.language != null) query.append("language", String(args.language))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/consumers/${encodeURIComponent(String(args.consumer_id))}/syncs/${encodeURIComponent(String(args.syncid))}/previews${query.size > 0 ? `?${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(chiftPagePreview, await res.json())
};