import {z} from 'zod'

export type GetApiVoiceV1WellKnownMedscribeallianceOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const discoveryResponse = z.object({protocol: z.string().optional(), protocol_version: z.string().optional(), supported_versions: z.array(z.string()).optional(), service: z.object({name: z.string().optional(), documentation_url: z.string().optional(), support_email: z.string().optional()}).optional(), endpoints: z.object({base_url: z.string().optional(), webhooks_url: z.string().optional(), templates_url: z.string().optional()}).optional(), authentication: z.object({supported_methods: z.array(z.string()).optional(), oidc: z.object({issuer: z.string().optional(), authorization_endpoint: z.string().optional(), token_endpoint: z.string().optional(), scopes_supported: z.array(z.string()).optional()}).optional()}).optional(), capabilities: z.object({audio_formats: z.array(z.string()).optional(), max_chunk_duration_seconds: z.number().int().optional(), upload_methods: z.array(z.string()).optional(), webhook_delivery: z.boolean().optional(), client_sdk_delivery: z.boolean().optional()}).optional(), models: z.array(z.object({id: z.string().optional(), display_name: z.string().optional(), languages: z.array(z.string()).optional(), max_session_duration_seconds: z.number().int().optional(), response_speed: z.string().optional(), features: z.object({realtime_transcription: z.boolean().optional(), speaker_diarization: z.boolean().optional(), custom_templates: z.boolean().optional()}).optional()})).optional(), languages: z.object({supported: z.array(z.string()).optional(), auto_detection: z.boolean().optional()}).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
};

/**
 * Discovery
 * 
 * GET /voice/v1/.well-known/medscribealliance
 */
export const getApiVoiceV1WellKnownMedscribealliance = async (options?: GetApiVoiceV1WellKnownMedscribeallianceOptions) => {
const {baseUrl = "https://api.eka.care", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/voice/v1/.well-known/medscribealliance${query.size > 0 ? `?${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(discoveryResponse, await res.json())
};