import {z} from 'zod'

export type GetApiV1TestRunsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1TestRunsResponse = z.object({success: z.boolean(), data: z.object({testRuns: z.array(z.object({id: z.string().optional(), createdAt: z.string().optional(), identifier: z.string().nullable().optional(), status: z.enum(["COMPLETED", "ERRORED", "IN_PROGRESS", "CANCELLED"]).optional(), multiTurn: z.boolean().optional(), testsPassed: z.number().int().nullable().optional(), testsFailed: z.number().int().nullable().optional(), totalTests: z.number().int().nullable().optional(), metricsScores: z.array(z.object({metric: z.string().optional(), scores: z.array(z.number()).nullable().optional(), passes: z.number().int().nullable().optional(), fails: z.number().int().nullable().optional(), errors: z.number().int().nullable().optional()})).optional(), runDuration: z.number().nullable().optional(), evaluationCost: z.number().nullable().optional(), datasetAlias: z.string().nullable().optional(), testFile: z.string().nullable().optional(), summary: z.object({topicSummaries: z.array(z.object({topic: z.string().optional(), testCaseIds: z.array(z.union([z.number().int(), z.string()])).optional(), summaryPoints: z.array(z.object({grade: z.number().optional(), content: z.string().optional(), testCaseIds: z.array(z.union([z.number().int(), z.string()])).optional()})).optional()})).optional(), summaryOverview: z.object({summary: z.array(z.string()).optional(), actionItems: z.array(z.string()).optional()}).optional()}).nullable().optional()})).optional(), totalTestRuns: z.number().int().optional(), page: z.number().int().optional(), pageSize: z.number().int().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
};

/**
 * List Test Runs
 * 
 * GET /v1/test-runs
 */
export const getApiV1TestRuns = async (options?: GetApiV1TestRunsOptions) => {
const {baseUrl = "https://api.confident-ai.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/test-runs${query.size > 0 ? `?${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(getApiV1TestRunsResponse, await res.json())
};