import {z} from 'zod'

export type GetApiInternalExperimentReportsConfigurationsArgs = {days?: (number | null) | undefined};

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

export const configurationRow = z.object({config_key: z.string(), arm_id: z.string(), model: z.string().nullable().optional(), runner_image_digest: z.string().nullable().optional(), code_image_digest: z.string().nullable().optional(), design_types: z.array(z.string()), experiment_names: z.array(z.string()), run_count: z.number().int(), scenario_count: z.number().int(), experiment_count: z.number().int(), first_run_at: z.string().nullable().optional(), last_run_at: z.string().nullable().optional(), mean_strict_success: z.number().nullable().optional(), mean_completion: z.number().nullable().optional(), mean_wall_time_seconds: z.number().nullable().optional(), mean_total_tokens: z.number().nullable().optional(), mean_cost_usd: z.number().nullable().optional()});

export const configurationsResponse = z.object({configurations: z.array(configurationRow), generated_at: z.string(), warnings: z.array(z.string())});

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 Experiment Configurations
 * 
 * GET /internal/experiment-reports/configurations
 */
export const getApiInternalExperimentReportsConfigurations = async (args: GetApiInternalExperimentReportsConfigurationsArgs, options: GetApiInternalExperimentReportsConfigurationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.days != null) query.append("days", String(args.days))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/internal/experiment-reports/configurations${query.size > 0 ? `?${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(configurationsResponse, await res.json())
};