import {z} from 'zod'

export type GetApiApiProjectIdDeploymentEvaluateArgs = {projectId: number, impulseId?: number | undefined};

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

export const kerasModelTypeEnum = z.enum(["int8", "float32", "akida", "requiresRetrain"]);

export const learnBlockType = z.enum(["anomaly", "anomaly-gmm", "keras", "keras-transfer-image", "keras-transfer-kws", "keras-object-detection", "keras-regression", "keras-akida", "keras-akida-transfer-image", "keras-akida-object-detection", "keras-visual-anomaly", "keras-freeform", "keras-self-contained-freeform", "keras-anomaly", "vlm"]);

export const evaluateResultValue = z.object({raw: z.number().optional(), withAnomaly: z.number().optional()});

export const modelVariantStats = z.object({modelType: kerasModelTypeEnum, learnBlockId: z.number().int(), learnBlockType: learnBlockType, confusionMatrix: z.record(z.string(), z.record(z.string(), evaluateResultValue)), trainingLabels: z.array(z.string()), classificationLabels: z.array(z.string()), totalWindowCount: z.number().int().optional(), totalCorrectWindowCount: evaluateResultValue.optional(), accuracy: evaluateResultValue});

export const evaluateJobResponse = z.object({success: z.boolean(), error: z.string().optional(), result: z.array(modelVariantStats)});

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
};

/**
 * Evaluate job result
 * 
 * GET /api/{projectId}/deployment/evaluate
 * 
 * Also accepts auth: JWTAuthentication, JWTHttpHeaderAuthentication, OAuth2
 */
export const getApiApiProjectIdDeploymentEvaluate = async (args: GetApiApiProjectIdDeploymentEvaluateArgs, options?: GetApiApiProjectIdDeploymentEvaluateOptions) => {
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.impulseId != null) query.append("impulseId", String(args.impulseId))
if (ApiKeyAuthentication !== undefined) headers.set("x-api-key", ApiKeyAuthentication)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.projectId))}/deployment/evaluate${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(evaluateJobResponse, await res.json())
};