import {z} from 'zod'

export type GetApiAstrologyNakshatraPoruthamArgs = {girl_nakshatra: number, girl_nakshatra_pada: number, boy_nakshatra: number, boy_nakshatra_pada: number, la?: string | undefined};

export type GetApiAstrologyNakshatraPoruthamOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const message = z.object({type: z.string().nullable(), description: z.string()});

export const poruthamCheck = z.object({id: z.number().int(), name: z.string(), has_porutham: z.boolean()});

export const nakshatraPorutham = z.object({maximum_points: z.number(), obtained_points: z.number(), message: message, matches: z.array(poruthamCheck)});

export const nakshatraPoruthamResponse = z.object({status: z.string(), data: nakshatraPorutham});

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
};

/**
 * Nakshatra Porutham
 * 
 * GET /astrology/nakshatra-porutham
 */
export const getApiAstrologyNakshatraPorutham = async (args: GetApiAstrologyNakshatraPoruthamArgs, options?: GetApiAstrologyNakshatraPoruthamOptions) => {
const {baseUrl = "https://api.prokerala.com/v2", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.girl_nakshatra != null) query.append("girl_nakshatra", String(args.girl_nakshatra))
if (args.girl_nakshatra_pada != null) query.append("girl_nakshatra_pada", String(args.girl_nakshatra_pada))
if (args.boy_nakshatra != null) query.append("boy_nakshatra", String(args.boy_nakshatra))
if (args.boy_nakshatra_pada != null) query.append("boy_nakshatra_pada", String(args.boy_nakshatra_pada))
if (args.la != null) query.append("la", String(args.la))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/astrology/nakshatra-porutham${query.size > 0 ? `?${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(nakshatraPoruthamResponse, await res.json())
};