import {z} from 'zod'

export type GetApiV2StorageArgs = {exclude?: string | undefined};

export type GetApiV2StorageOptions = {baseUrl?: string | undefined, StorageKey?: string | undefined, fetch?: typeof fetch | undefined};

export const componentArrayRead = z.object({id: z.string(), type: z.string(), name: z.string(), description: z.string(), longDescription: z.string().nullable(), version: z.number().int(), complexity: z.enum(["low", "medium", "high"]).nullable(), categories: z.array(z.string()), hasUI: z.boolean(), hasRun: z.boolean(), ico32: z.string().nullable(), ico64: z.string().nullable(), ico128: z.string().nullable(), data: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown()), z.string()]), flags: z.array(z.string()), configurationSchema: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), configurationRowSchema: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), emptyConfiguration: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), emptyConfigurationRow: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), createConfigurationRowSchema: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), uiOptions: z.union([z.record(z.string(), z.unknown()), z.array(z.unknown())]), configurationDescription: z.string().nullable(), features: z.array(z.string()), expiredOn: z.string().nullable(), uri: z.string().nullable(), documentationUrl: z.string().optional(), dataTypesConfiguration: z.union([z.object({dataTypesSupport: z.string().optional()}).and(z.record(z.string(), z.unknown())).nullable(), z.array(z.unknown())]), processorConfiguration: z.union([z.object({allowedProcessorPosition: z.string().optional()}).and(z.record(z.string(), z.unknown())).nullable(), z.array(z.unknown())])});

export const componentMinimalInfoResponse = z.object({id: z.string(), name: z.string(), type: z.string(), ico64: z.string().nullable(), ico128: z.string().nullable(), features: z.array(z.string()), flags: z.array(z.string()), description: z.string(), categories: z.array(z.string())});

export const getApiV2StorageResponse = z.object({stack: z.string(), host: z.string(), api: z.string(), version: z.string(), revision: z.string(), documentation: z.string(), services: z.array(z.object({id: z.string(), url: z.string()})), features: z.array(z.string()), urlTemplates: z.object({orchestrationJob: z.string()}), components: z.array(z.union([componentArrayRead, componentMinimalInfoResponse])).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
};

/**
 * Storage API index
 * 
 * GET /v2/storage
 * 
 * Also accepts auth: ManageKey, BearerAuth
 */
export const getApiV2Storage = async (args: GetApiV2StorageArgs, options?: GetApiV2StorageOptions) => {
const {baseUrl = "https://connection.keboola.com", fetch: fetchFn = fetch, StorageKey} = options ?? {}

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

if (args.exclude != null) query.append("exclude", String(args.exclude))
if (StorageKey !== undefined) headers.set("X-StorageApi-Token", StorageKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/storage${query.size > 0 ? `?${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(getApiV2StorageResponse, await res.json())
};