import {z} from 'zod'

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

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

export const partialRealtimeJourneyYamlRealtimeAttributeDurationSetting = z.object({value: z.number().int(), unit: z.enum(["hour", "day", "minute"])});

export const partialRealtimeJourneyYamlRealtimeAttributeBackfillSetting = z.object({attributeIdentifier: z.string(), timestampIdentifier: z.string()}).nullable();

export const partialRealtimeJourneyYamlRealtimeListAttributeFields = z.array(z.string().min(1));

export const partialRealtimeJourneyYamlRealtimeListAttributeActions = z.array(z.object({action: z.enum(["delete_item", "clear"]), realtimeKeyEventId: z.string(), filterRule: z.object({})}));

export const partialRealtimeJourneyYamlRealtimeListAttributeAggregation = z.object({name: z.string().optional(), identifier: z.string().optional(), aggregationType: z.enum(["first", "last", "sum", "min", "max", "distinct_list"]).optional(), column: z.string().optional()});

export const partialRealtimeJourneyYamlRealtimeListAttributeAggregations = z.array(partialRealtimeJourneyYamlRealtimeListAttributeAggregation);

export const partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSettingConst = z.object({type: z.literal("const"), value: z.number().gte(1)});

export const partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSettingField = z.object({type: z.literal("field"), value: z.string()});

export const partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSetting = z.discriminatedUnion("type", [partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSettingConst, partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSettingField]);

export const getApiAudiencesAudienceIdRealtimeAttributesRealtimeAttributeIdResponse = z.union([z.object({id: z.string().optional(), name: z.string(), identifier: z.string(), type: z.literal("imported"), description: z.string().nullable().optional(), createdBy: user.optional(), updatedBy: user.optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()}), z.object({id: z.string().optional(), name: z.string(), identifier: z.string(), type: z.literal("single"), description: z.string().nullable().optional(), createdBy: user.optional(), updatedBy: user.optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), realtimeKeyEventId: z.string().optional(), filterRule: z.object({}).optional(), valueColumn: z.string().optional(), dataType: z.enum(["number", "string"]).optional(), duration: partialRealtimeJourneyYamlRealtimeAttributeDurationSetting.optional(), backfill: partialRealtimeJourneyYamlRealtimeAttributeBackfillSetting.optional()}), z.object({id: z.string().optional(), name: z.string(), identifier: z.string(), type: z.literal("list"), description: z.string().nullable().optional(), createdBy: user.optional(), updatedBy: user.optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), realtimeKeyEventId: z.string().optional(), filterRule: z.object({}).optional(), idColumn: z.string().optional(), fields: partialRealtimeJourneyYamlRealtimeListAttributeFields.optional(), duration: partialRealtimeJourneyYamlRealtimeAttributeDurationSetting.optional(), maxItems: z.number().optional(), actions: partialRealtimeJourneyYamlRealtimeListAttributeActions.optional(), aggregations: partialRealtimeJourneyYamlRealtimeListAttributeAggregations.optional()}), z.object({id: z.string().optional(), name: z.string(), identifier: z.string(), type: z.literal("counter"), description: z.string().nullable().optional(), createdBy: user.optional(), updatedBy: user.optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), realtimeKeyEventId: z.string().optional(), filterRule: z.object({}).optional(), counterType: z.enum(["sliding", "total"]).optional(), increment: partialRealtimeJourneyYamlRealtimeCounterAttributeIncrementSetting.optional(), duration: partialRealtimeJourneyYamlRealtimeAttributeDurationSetting.optional(), backfill: partialRealtimeJourneyYamlRealtimeAttributeBackfillSetting.optional(), subDurations: z.array(z.object({value: z.number().int(), unit: z.enum(["hour", "day", "minute"]), name: z.string(), identifier: z.string()})).optional()}), z.object({id: z.string().optional(), name: z.string(), identifier: z.string(), type: z.literal("lookupCatalog"), description: z.string().nullable().optional(), createdBy: user.optional(), updatedBy: user.optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), lookupCatalogTableName: z.string().optional(), lookupCatalogColumns: z.array(z.object({name: z.string(), dataType: z.string()})).optional(), lookupKeys: z.array(z.object({id: z.string(), type: z.string()})).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
};

/**
 * Return the Realtime Attribute
 * 
 * GET /audiences/{audienceId}/realtime_attributes/{realtimeAttributeId}
 */
export const getApiAudiencesAudienceIdRealtimeAttributesRealtimeAttributeId = async (options?: GetApiAudiencesAudienceIdRealtimeAttributesRealtimeAttributeIdOptions) => {
const {baseUrl = "https://api-cdp.treasuredata.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/audiences/${encodeURIComponent(String(args.audienceId))}/realtime_attributes/${encodeURIComponent(String(args.realtimeAttributeId))}${query.size > 0 ? `?${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(getApiAudiencesAudienceIdRealtimeAttributesRealtimeAttributeIdResponse, await res.json())
};