import {z} from 'zod'

export type GetApiAdminTranscriptionMetricsSummaryArgs = {start?: string | undefined, end?: string | undefined, device?: string | undefined, school_id?: (string | null) | undefined, class_id?: (string | null) | undefined, role?: string | undefined, rating?: (number | null) | undefined, rating_max?: (number | null) | undefined, has_figures?: (boolean | null) | undefined};

export type GetApiAdminTranscriptionMetricsSummaryOptions = {baseUrl: string, OAuth2PasswordBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const transcriptionMetricsSummary = z.object({avg_perceived_velocity_ms: z.number().nullable(), p50_perceived_velocity_ms: z.number().nullable(), p95_perceived_velocity_ms: z.number().nullable(), call_count: z.number().int(), high_rating_rate: z.number().nullable(), ratings_count: z.number().int(), correction_actions_per_transcription: z.number().nullable().optional(), percent_transcriptions_without_changes: z.number().nullable().optional(), total_transcriptions_with_logs: z.number().int().optional(), by_device: z.array(z.record(z.string(), z.unknown())), category_breakdown: z.array(z.record(z.string(), z.unknown())).optional(), ratings_with_category: 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
};

/**
 * Get Transcription Metrics Summary
 * 
 * GET /admin/transcription-metrics/summary
 */
export const getApiAdminTranscriptionMetricsSummary = async (args: GetApiAdminTranscriptionMetricsSummaryArgs, options: GetApiAdminTranscriptionMetricsSummaryOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2PasswordBearer} = options ?? {}

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

if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
if (args.device != null) query.append("device", String(args.device))
if (args.school_id != null) query.append("school_id", String(args.school_id))
if (args.class_id != null) query.append("class_id", String(args.class_id))
if (args.role != null) query.append("role", String(args.role))
if (args.rating != null) query.append("rating", String(args.rating))
if (args.rating_max != null) query.append("rating_max", String(args.rating_max))
if (args.has_figures != null) query.append("has_figures", String(args.has_figures))
if (OAuth2PasswordBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2PasswordBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/admin/transcription-metrics/summary${query.size > 0 ? `?${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(transcriptionMetricsSummary, await res.json())
};