import {z} from 'zod'

export type GetApiApiV1UsStatutesPartTitlePartRulemakingArgs = {title: number, part: string, years?: number | undefined, 'Idempotency-Key'?: (string | null) | undefined};

export type GetApiApiV1UsStatutesPartTitlePartRulemakingOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const federalRegisterDocumentOut = z.object({documentNumber: z.string(), citation: z.string().nullable().optional(), docType: z.enum(["rule", "proposed_rule", "notice", "correction"]), publicationDate: z.string().nullable().optional(), effectiveOn: z.string().nullable().optional(), docketIds: z.array(z.string()).optional(), rins: z.array(z.string()).optional(), rulemakingUrl: z.string().nullable().optional(), title: z.string().nullable().optional(), matchBasis: z.enum(["printed_note", "date_join", "both"]).nullable().optional(), quality: z.enum(["verified", "candidate"]).nullable().optional(), tier: z.enum(["confirmed", "candidate", "ambiguous", "unmatched", "not_searched"]).nullable().optional(), matchReason: z.string().nullable().optional(), corrections: z.array(z.string()).optional()});

export const partRulemakingResponse = z.object({cfrTitle: z.number().int(), cfrPart: z.string(), federalRegisterDocuments: z.array(federalRegisterDocumentOut), years: z.array(z.number().int()), coverage: z.array(z.string()), processingTimeMs: z.number(), creditsConsumed: z.number().int()});

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 every Federal Register document for a CFR part
 * 
 * GET /api/v1/us/statutes/part/{title}/{part}/rulemaking
 * 
 * Also accepts auth: ApiKeyHeader
 */
export const getApiApiV1UsStatutesPartTitlePartRulemaking = async (args: GetApiApiV1UsStatutesPartTitlePartRulemakingArgs, options?: GetApiApiV1UsStatutesPartTitlePartRulemakingOptions) => {
const {baseUrl = "https://api.vaquill.ai", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.years != null) query.append("years", String(args.years))
if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/us/statutes/part/${encodeURIComponent(String(args.title))}/${encodeURIComponent(String(args.part))}/rulemaking${query.size > 0 ? `?${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(partRulemakingResponse, await res.json())
};