import {z} from 'zod'

export type GetApiApiV3PurchasesArgs = {offset?: number | undefined, limit?: number | undefined};

export type GetApiApiV3PurchasesOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const purchaseItemOut = z.object({id: z.number().int(), item_id: z.number().int().nullable().optional(), quantity: z.number(), value: z.number().nullable().optional(), unit_value: z.number().nullable().optional(), price: z.number().nullable().optional(), total: z.number(), total_value: z.number().nullable().optional(), total_base_igv: z.number().nullable().optional(), total_igv: z.number().nullable().optional(), total_taxes: z.number().nullable().optional(), total_discount: z.number().nullable().optional(), price_with_taxes: z.boolean().nullable().optional(), item: z.unknown(), taxe: z.unknown(), discount: z.unknown()});

export const purchaseOut = z.object({id: z.number().int(), orden_compra_id: z.number().int().nullable().optional(), serie: z.string().nullable().optional(), number: z.union([z.number().int(), z.string()]).nullable().optional(), document_type_id: z.number().int().nullable().optional(), proveedor_id: z.number().int().nullable().optional(), proveedor: z.record(z.string(), z.unknown()).nullable().optional(), establecimiento_id: z.number().int().nullable().optional(), tipo_moneda_id: z.number().int().nullable().optional(), tasa_de_cambio: z.number().nullable().optional(), fecha_emision: z.string().nullable().optional(), fecha_entrega: z.string().nullable().optional(), estado_doc: z.string().nullable().optional(), estado_pago: z.string().nullable().optional(), estado_entrega: z.string().nullable().optional(), taxe: z.number().nullable().optional(), total_gravado: z.number().nullable().optional(), total_igv: z.number().nullable().optional(), total_valor: z.number().nullable().optional(), total: z.number().nullable().optional(), total_descuento: z.number().nullable().optional(), observations: z.string().nullable().optional(), condicion_de_pago: z.array(z.record(z.string(), z.unknown())).nullable().optional(), items: z.array(purchaseItemOut).nullable().optional()});

export const purchaseResource = z.object({total: z.number().int(), limit: z.number().int(), offset: z.number().int(), total_pages: z.number().int(), current_page: z.number().int(), docs: z.array(purchaseOut)});

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
};

/**
 * List
 * 
 * GET /api/v3/purchases
 */
export const getApiApiV3Purchases = async (args: GetApiApiV3PurchasesArgs, options: GetApiApiV3PurchasesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/purchases${query.size > 0 ? `?${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(purchaseResource, await res.json())
};