import {z} from 'zod'

export type GetApiTicintelNpiNpiArgs = {npi: string};

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

export const ticintelLocation = z.object({address: z.string().optional(), city: z.string().optional(), state: z.string().optional(), zip: z.string().optional()});

export const ticintelPlan = z.object({billing_code: z.string().optional(), medicare_rate: z.number().optional(), medicare_rate_percentage: z.number().optional(), name: z.string().optional(), smart_rate: z.number().optional()});

export const ticintelRatesByPayerItem = z.object({payer: z.string().optional(), plans: z.array(ticintelPlan).optional()});

export const ticintelNpiResponse = z.object({Message: z.string().optional(), Success: z.boolean().optional(), commonName: z.string().optional(), definition: z.string().optional(), displayName: z.string().optional(), location: ticintelLocation.optional(), nextLocation: ticintelLocation.optional(), nextNpi: z.string().optional(), nextSlug: z.string().optional(), npiNumber: z.string().optional(), previousLocation: ticintelLocation.optional(), previousNpi: z.string().optional(), previousSlug: z.string().optional(), procedures: z.array(z.string()).optional(), providerName: z.string().optional(), ratesByPayer: z.array(ticintelRatesByPayerItem).optional(), shortName: z.string().optional(), specialty: z.string().optional(), taxonomy: z.string().optional(), ticScore: z.number().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 full NPI profile
 * 
 * GET /ticintel/npi/{npi}
 */
export const getApiTicintelNpiNpi = async (args: GetApiTicintelNpiNpiArgs, options: GetApiTicintelNpiNpiOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-GIGASHEET-TOKEN", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/ticintel/npi/${encodeURIComponent(String(args.npi))}${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(ticintelNpiResponse, await res.json())
};