import {z} from 'zod'

export type GetApiLegislacionBoeIdArgs = {boe_id: string, articulo?: string | undefined, facts?: boolean | undefined, full?: boolean | undefined, historial?: boolean | undefined};

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

export const getApiLegislacionBoeIdResponse = z.object({boe_id: z.string().optional(), articulo_texto: z.object({bloque_id: z.string().optional(), bloque_titulo: z.string().optional(), articulo_norm: z.string().nullable().optional(), version_idx: z.number().int().optional(), fecha_vigencia: z.string().nullable().optional(), valid_to: z.string().nullable().optional(), es_vigente: z.boolean().optional(), texto_html: z.string().optional(), id_norma_modificadora: z.string().nullable().optional()}).nullable().optional(), facts: z.array(z.object({fact_domain: z.string().optional(), fact_key: z.string().optional(), valor: z.unknown(), unidad: z.string().nullable().optional(), articulo: z.string().nullable().optional(), source_anchor: z.string().nullable().optional(), vigente: z.boolean().optional(), valid_from: z.string().nullable().optional(), valid_to: z.string().nullable().optional()})).optional(), historial: z.array(z.object({version_idx: z.number().int().optional(), bloque_titulo: z.string().optional(), fecha_vigencia: z.string().nullable().optional(), valid_to: z.string().nullable().optional(), es_vigente: z.boolean().optional(), id_norma_modificadora: z.string().nullable().optional()})).optional(), norma_bloques: z.array(z.object({})).optional(), _meta: z.object({plan: z.string().optional(), count: z.number().int().optional(), remaining: z.number().int().optional(), nota: z.string().optional(), upgrade_hint: 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
};

/**
 * Artículo consolidado del BOE (y grafo de hechos en Profesional+)
 * 
 * GET /legislacion/{boe_id}
 */
export const getApiLegislacionBoeId = async (args: GetApiLegislacionBoeIdArgs, options?: GetApiLegislacionBoeIdOptions) => {
const {baseUrl = "https://www.conversoriaecnae.es/api/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.articulo != null) query.append("articulo", String(args.articulo))
if (args.facts != null) query.append("facts", String(args.facts))
if (args.full != null) query.append("full", String(args.full))
if (args.historial != null) query.append("historial", String(args.historial))
if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/legislacion/${encodeURIComponent(String(args.boe_id))}${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(getApiLegislacionBoeIdResponse, await res.json())
};