import {z} from 'zod'

export type IngestionPipelineTargetIndexRef = {type?: 'vespa' | undefined, name: string};

export type CreateIngestionPipelineConfigurationRequest = {name: string, pipeline_composition?: ({[key: string]: string} | null) | undefined, target_indexes?: (Array<IngestionPipelineTargetIndexRef> | null) | undefined};

export type UpdateApiV1RagIngestionPipelineConfigurationsArgs = {body: CreateIngestionPipelineConfigurationRequest};

export type UpdateApiV1RagIngestionPipelineConfigurationsOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const ingestionPipelineConfiguration = z.object({id: z.string(), author_id: z.string(), name: z.string(), created_at: z.string(), modified_at: z.string(), last_run_time: z.string().nullable(), last_run_chunks_count: z.number().int(), total_chunks_count: z.number().int(), pipeline_composition: z.record(z.string(), z.string()).nullable()});

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
};

/**
 * Register Config
 * 
 * PUT /v1/rag/ingestion_pipeline_configurations
 */
export const updateApiV1RagIngestionPipelineConfigurations = async (args: UpdateApiV1RagIngestionPipelineConfigurationsArgs, options?: UpdateApiV1RagIngestionPipelineConfigurationsOptions) => {
const {baseUrl = "https://api.mistral.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/rag/ingestion_pipeline_configurations${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(ingestionPipelineConfiguration, await res.json())
};