import {z} from 'zod'

export type GetApiVedicRemediesCatalogueArgs = {type?: string | undefined, fields?: string | undefined, precision?: number | undefined};

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

export const getApiVedicRemediesCatalogueResponse = z.object({ok: z.boolean().optional(), data: z.object({types: z.array(z.string().nullable()).nullable().optional(), grahas: z.array(z.object({graha: z.string().nullable().optional(), grahaId: z.number().nullable().optional(), name: z.string().nullable().optional(), sanskrit: z.string().nullable().optional(), remedies: z.array(z.object({graha: z.string().nullable().optional(), dosha: z.unknown(), id: z.string().nullable().optional(), type: z.string().nullable().optional(), title: z.string().nullable().optional(), detail: z.object({mantraKind: z.string().nullable().optional(), pratika: z.string().nullable().optional(), vedaRef: z.string().nullable().optional(), japaCount: z.number().nullable().optional()}).nullable().optional(), source: z.string().nullable().optional(), basis: z.string().nullable().optional(), note: z.string().nullable().optional()}).nullable()).nullable().optional()}).nullable()).nullable().optional(), doshas: z.array(z.object({dosha: z.string().nullable().optional(), name: z.string().nullable().optional(), classicalStatus: z.string().nullable().optional(), grahas: z.array(z.string().nullable()).nullable().optional(), detection: z.object({method: z.string().nullable().optional(), path: z.string().nullable().optional(), note: z.string().nullable().optional()}).nullable().optional(), specific: z.array(z.unknown()).nullable().optional(), related: z.array(z.object({method: z.string().nullable().optional(), path: z.string().nullable().optional(), note: z.string().nullable().optional()}).nullable()).nullable().optional()}).nullable()).nullable().optional(), sources: z.array(z.string().nullable()).nullable().optional(), basisNote: z.string().nullable().optional(), disclaimer: z.string().nullable().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
};

/**
 * Remedies catalogue (upaya)
 * 
 * GET /vedic/remedies/catalogue
 */
export const getApiVedicRemediesCatalogue = async (args: GetApiVedicRemediesCatalogueArgs, options?: GetApiVedicRemediesCatalogueOptions) => {
const {baseUrl = "https://api.astroway.info/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))
if (args.fields != null) query.append("fields", String(args.fields))
if (args.precision != null) query.append("precision", String(args.precision))
if (ApiKeyAuth !== undefined) headers.set("X-Api-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/vedic/remedies/catalogue${query.size > 0 ? `?${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(getApiVedicRemediesCatalogueResponse, await res.json())
};