import {z} from 'zod'

export type GetApiAbdmV1SessionStatusArgs = {'X-Pt-Id'?: string | undefined, 'X-Partner-Pt-Id'?: string | undefined, 'X-Hip-Id'?: string | undefined};

export type GetApiAbdmV1SessionStatusOptions = {baseUrl?: string | undefined, authApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const authLoggedInStatusResponse = z.object({hpr_id: z.string().optional(), kyc_verified: z.boolean().optional(), logged_in: z.boolean().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
};

/**
 * Status of the user by the session.
 * 
 * GET /abdm/v1/session/status
 */
export const getApiAbdmV1SessionStatus = async (args: GetApiAbdmV1SessionStatusArgs, options?: GetApiAbdmV1SessionStatusOptions) => {
const {baseUrl = "https://api.eka.care", fetch: fetchFn = fetch, authApiKey} = options ?? {}

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

if (args['X-Pt-Id'] != null) headers.set("X-Pt-Id", String(args['X-Pt-Id']))
if (args['X-Partner-Pt-Id'] != null) headers.set("X-Partner-Pt-Id", String(args['X-Partner-Pt-Id']))
if (args['X-Hip-Id'] != null) headers.set("X-Hip-Id", String(args['X-Hip-Id']))
if (authApiKey !== undefined) headers.set('authorization', `Bearer ${authApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/abdm/v1/session/status${query.size > 0 ? `?${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(authLoggedInStatusResponse, await res.json())
};