import {z} from 'zod'

export type GetApiApiProjectIdDspDspIdMetadataArgs = {projectId: number, dspId: number, excludeIncludedSamples?: boolean | undefined, category?: ('training' | 'testing' | 'validation' | 'all') | undefined};

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

export const dSPMetadataResponse = z.object({success: z.boolean(), error: z.string().optional(), created: z.string(), generated: z.boolean(), dspConfig: z.record(z.string(), z.string()), labels: z.array(z.string()), featureLabels: z.array(z.string()).optional(), windowCount: z.number().int(), featureCount: z.number().int(), includedSamples: z.array(z.object({id: z.number().int(), windowCount: z.number().int()})), windowSizeMs: z.number().int(), windowIncreaseMs: z.number().int(), padZeros: z.boolean(), frequency: z.number(), outputConfig: z.object({type: z.enum(["image", "spectrogram", "flat"]), shape: z.object({width: z.number().int(), height: z.number().int().optional(), channels: z.number().int().optional(), frames: z.number().int().optional()})}), fftUsed: z.array(z.number().int()).optional(), resamplingAlgorithmVersion: z.number().optional(), featureExplorerJobId: z.number().int().optional(), featureExplorerJobFailed: z.boolean().optional(), featureImportanceJobId: z.number().int().optional(), featureImportanceJobFailed: z.boolean().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
};

/**
 * Get metadata
 * 
 * GET /api/{projectId}/dsp/{dspId}/metadata
 * 
 * Also accepts auth: JWTAuthentication, JWTHttpHeaderAuthentication, OAuth2
 */
export const getApiApiProjectIdDspDspIdMetadata = async (args: GetApiApiProjectIdDspDspIdMetadataArgs, options?: GetApiApiProjectIdDspDspIdMetadataOptions) => {
const {baseUrl = "https://studio.edgeimpulse.com/v1", fetch: fetchFn = fetch, ApiKeyAuthentication} = options ?? {}

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

if (args.excludeIncludedSamples != null) query.append("excludeIncludedSamples", String(args.excludeIncludedSamples))
if (args.category != null) query.append("category", String(args.category))
if (ApiKeyAuthentication !== undefined) headers.set("x-api-key", ApiKeyAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.projectId))}/dsp/${encodeURIComponent(String(args.dspId))}/metadata${query.size > 0 ? `?${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(dSPMetadataResponse, await res.json())
};