import {z} from 'zod'

export type GetApiInflightTestModelsTestInstancesLatestArgs = {testModelIds: Array<string>};

export type GetApiInflightTestModelsTestInstancesLatestOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const testInstanceDTO = z.object({id: z.string().optional(), testModelId: z.string().optional(), testSetKey: z.string().optional(), scopeId: z.string().optional(), scopeType: z.string().optional(), scopeDefinitionId: z.string().optional(), scopeDefinitionKey: z.string().optional(), startTime: z.string().optional(), endTime: z.string().optional(), durationMs: z.number().int().optional(), status: z.string().optional(), result: z.string().optional(), passedCount: z.number().int().optional(), failedCount: z.number().int().optional(), totalSteps: z.number().int().optional(), progress: z.number().optional(), failedStepName: z.string().optional(), tenantId: z.string().optional()});

export const getApiInflightTestModelsTestInstancesLatestResponse = z.array(testInstanceDTO);

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
};

/**
 * Latest TestInstance summary per (testModelId, testSetKey)
 * 
 * GET /inflight-test-models/test-instances/latest
 */
export const getApiInflightTestModelsTestInstancesLatest = async (args: GetApiInflightTestModelsTestInstancesLatestArgs, options?: GetApiInflightTestModelsTestInstancesLatestOptions) => {
const {baseUrl = "http://localhost:8090/inspect-api", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

for (const item of args.testModelIds ?? []) query.append("testModelIds", String(item))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/inflight-test-models/test-instances/latest${query.size > 0 ? `?${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(getApiInflightTestModelsTestInstancesLatestResponse, await res.json())
};