import {z} from 'zod'

export type DataSetCreate = {has_custom_transform: false, transform?: Record<string, never> | undefined, name: string, description?: string | undefined, parent_data_set_id: number, output_schema_annotations?: {properties: unknown} | undefined, output_schema_validation_enabled?: boolean | undefined, output_validation_schema?: ({[key: string]: Record<string, never> | string}) | undefined, data_sinks?: (Array<number | Record<string, never>>) | undefined, custom_config?: Record<string, never> | undefined, tags?: Array<string> | undefined} | {has_custom_transform: true, transform_id?: number | undefined, name: string, description?: string | undefined, parent_data_set_id: number, output_schema_annotations?: {properties: unknown} | undefined, output_schema_validation_enabled?: boolean | undefined, output_validation_schema?: ({[key: string]: Record<string, never> | string}) | undefined, data_sinks?: (Array<number | Record<string, never>>) | undefined, custom_config?: Record<string, never> | undefined, tags?: Array<string> | undefined};

export type CreateApiDataSetsArgs = {body: DataSetCreate};

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

export const userSimplified = z.object({id: z.number().int().optional(), full_name: z.string().optional(), email: z.string().optional(), email_verified_at: z.string().optional()});

export const orgSimplified = z.object({id: z.number().int().optional(), name: z.string().optional(), email_domain: z.string().optional(), email: z.string().optional(), client_identifier: z.string().optional(), org_webhook_host: z.string().optional()});

export const dataSource = z.object({id: z.number().int().optional(), owner_id: z.number().int().optional(), org_id: z.number().int().optional(), name: z.string().optional(), description: z.string().optional(), status: z.string().optional(), source_type: z.string().optional(), connector: z.object({id: z.number().int().optional(), type: z.string().optional(), connection_type: z.string().optional(), name: z.string().optional(), description: z.string().optional(), nexset_api_compatible: z.boolean().optional()}).optional(), vendor_id: z.string().optional()});

export const dataSetBrief = z.object({id: z.number().int().optional(), owner_id: z.number().int().optional(), org_id: z.number().int().optional(), name: z.string().optional(), description: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const dataSinkSimplified = z.object({id: z.number().int().optional(), owner_id: z.number().int().optional(), org_id: z.number().int().optional(), name: z.string().optional(), status: z.string().optional(), sink_type: z.string().optional()});

export const accessRoles = z.array(z.enum(["owner", "collaborator", "operator", "admin"]));

export const dataSet = z.object({id: z.number().int().optional(), owner: userSimplified.optional(), org: orgSimplified.optional(), name: z.string().optional(), description: z.string().optional(), status: z.string().optional(), data_source_id: z.number().int().nullable().optional(), data_source: dataSource.optional(), parent_data_sets: z.array(dataSetBrief).optional(), data_sinks: z.array(dataSinkSimplified).optional(), access_roles: accessRoles.optional(), transform_id: z.number().int().nullable().optional(), output_schema: z.object({}).optional(), copied_from_id: z.number().int().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), tags: z.array(z.string()).optional(), flow_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
};

/**
 * Create a Nexset
 * 
 * POST /data_sets
 */
export const createApiDataSets = async (args: CreateApiDataSetsArgs, options?: CreateApiDataSetsOptions) => {
const {baseUrl = "https://dataops.nexla.io/nexla-api", fetch: fetchFn = fetch, NexlaSessionToken} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/vnd.nexla.api.v1+json")
headers.set('accept', "application/json")

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

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