import {z} from 'zod'

export type GetApiUserContentUrlJsonArgs = {url?: string | undefined};

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

export const getApiUserContentUrlJsonResponse = z.object({debug: z.object({version: z.number().optional()}).optional(), status: z.string().optional(), copyright: z.string().optional(), results: z.object({comments: z.array(z.object({commentID: z.number().int().optional(), status: z.string().optional(), commentSequence: z.number().int().optional(), userID: z.number().int().optional(), userDisplayName: z.string().optional(), userLocation: z.string().optional(), userTitle: z.unknown(), userURL: z.unknown(), commentTitle: z.string().optional(), commentBody: z.string().optional(), createDate: z.string().optional(), updateDate: z.string().optional(), approveDate: z.string().optional(), recommendations: z.number().int().optional(), replyCount: z.number().int().optional(), replies: z.array(z.unknown()).optional(), editorsSelection: z.boolean().optional(), parentID: z.unknown(), parentUserDisplayName: z.unknown(), depth: z.number().int().optional(), commentType: z.string().optional(), trusted: z.number().int().optional(), recommendedFlag: z.unknown(), reportAbuseFlag: z.unknown(), permID: z.string().optional(), picURL: z.string().optional(), timespeople: z.number().int().optional(), sharing: z.number().int().optional()})).optional(), page: z.number().int().optional(), totalCommentsReturned: z.number().int().optional(), totalCommentsFound: z.number().int().optional(), totalParentCommentsFound: z.number().int().optional(), totalParentCommentsReturned: z.number().int().optional(), totalReplyCommentsFound: z.number().int().optional(), totalReplyCommentsReturned: z.number().int().optional(), totalReporterReplyCommentsFound: z.number().int().optional(), totalReporterReplyCommentsReturned: z.number().int().optional(), totalEditorsSelectionFound: z.number().int().optional(), totalEditorsSelectionReturned: z.number().int().optional(), totalRecommendationsFound: z.number().int().optional(), totalRecommendationsReturned: z.number().int().optional(), replyLimit: z.number().int().optional(), depthLimit: z.number().int().optional(), sort: z.string().optional(), filter: z.string().nullable().optional(), callerID: z.unknown(), api_timestamp: z.string().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
};

/**
 * Comments by URL
 * 
 * GET /user-content/url.json
 */
export const getApiUserContentUrlJson = async (args: GetApiUserContentUrlJsonArgs, options?: GetApiUserContentUrlJsonOptions) => {
const {baseUrl = "http://api.nytimes.com/svc/community/v3", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.url != null) query.append("url", String(args.url))
if (apiKey !== undefined) query.set("api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/user-content/url.json${query.size > 0 ? `?${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(getApiUserContentUrlJsonResponse, await res.json())
};