import {z} from 'zod'

export type GetApiPublicCatsArgs = {query?: string | undefined, page?: string | undefined, limit?: string | undefined};

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

export const getApiPublicCatsResponse = z.object({data: z.object({currentPageItems: z.number().optional(), data: z.array(z.object({adaptability: z.number().optional(), affection_level: z.number().optional(), alt_names: z.string().optional(), cfa_url: z.string().optional(), child_friendly: z.number().optional(), country_code: z.string().optional(), country_codes: z.string().optional(), description: z.string().optional(), dog_friendly: z.number().optional(), energy_level: z.number().optional(), experimental: z.number().optional(), grooming: z.number().optional(), hairless: z.number().optional(), health_issues: z.number().optional(), hypoallergenic: z.number().optional(), id: z.number().optional(), image: z.string().optional(), indoor: z.number().optional(), intelligence: z.number().optional(), lap: z.number().optional(), life_span: z.string().optional(), name: z.string().optional(), natural: z.number().optional(), origin: z.string().optional(), rare: z.number().optional(), rex: z.number().optional(), shedding_level: z.number().optional(), short_legs: z.number().optional(), social_needs: z.number().optional(), stranger_friendly: z.number().optional(), suppressed_tail: z.number().optional(), temperament: z.string().optional(), vcahospitals_url: z.string().optional(), vetstreet_url: z.string().optional(), vocalisation: z.number().optional(), weight: z.object({imperial: z.string().optional(), metric: z.string().optional()}).optional(), wikipedia_url: z.string().optional()})).optional(), limit: z.number().optional(), nextPage: z.boolean().optional(), page: z.number().optional(), previousPage: z.boolean().optional(), totalItems: z.number().optional(), totalPages: z.number().optional()}).optional(), message: z.string().optional(), statusCode: z.number().optional(), success: 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
};

/**
 * Get cats
 * 
 * GET /public/cats
 */
export const getApiPublicCats = async (args: GetApiPublicCatsArgs, options?: GetApiPublicCatsOptions) => {
const {baseUrl = "https://api.freeapi.app/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.query != null) query.append("query", String(args.query))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/public/cats${query.size > 0 ? `?${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(getApiPublicCatsResponse, await res.json())
};