import {z} from 'zod'

export type Client = {name: string, vatCode?: string | undefined, isTaxPayer?: boolean | undefined, regCom?: string | undefined, address?: string | undefined, city?: string | undefined, county?: string | undefined, country: string, email?: string | undefined, phone?: string | undefined, contact?: string | undefined, iban?: string | undefined, bank?: string | undefined, code?: string | undefined, saveToDb?: boolean | undefined};

export type Product = {name: string, code?: string | undefined, productDescription?: string | undefined, isService?: boolean | undefined, quantity: number, measuringUnitName: string, price: number, currency?: ('RON' | 'EUR' | 'USD' | 'GBP' | 'CAD' | 'AUD' | 'CHF' | 'TRY' | 'CZK' | 'DKK' | 'HUF' | 'MDL' | 'SEK' | 'NOK' | 'JPY' | 'EGP' | 'PLN' | 'RUB' | 'AED' | 'BRL' | 'CNY' | 'HRK' | 'INR' | 'KRW' | 'MXN' | 'NZD' | 'RSD' | 'THB' | 'UAH' | 'XDR' | 'ZAR') | undefined, exchangeRate?: number | undefined, isTaxIncluded?: boolean | undefined, taxName?: string | undefined, taxPercentage: number, warehouseName?: string | undefined, isDiscount?: boolean | undefined, numberOfItems?: number | undefined, discountType?: (1 | 2) | undefined, discountValue?: number | undefined, discountPercentage?: number | undefined, translatedName?: string | undefined, translatedMeasuringUnit?: string | undefined, saveToDb?: boolean | undefined, useSBProductName?: boolean | undefined};

export type EstimateRequest = {companyVatCode: string, seriesName: string, issueDate?: string | undefined, dueDate?: string | undefined, isDraft?: boolean | undefined, client: Client, products: Array<Product>, currency?: ('RON' | 'EUR' | 'USD' | 'GBP' | 'CAD' | 'AUD' | 'CHF' | 'TRY' | 'CZK' | 'DKK' | 'HUF' | 'MDL' | 'SEK' | 'NOK' | 'JPY' | 'EGP' | 'PLN' | 'RUB' | 'AED' | 'BRL' | 'CNY' | 'HRK' | 'INR' | 'KRW' | 'MXN' | 'NZD' | 'RSD' | 'THB' | 'UAH' | 'XDR' | 'ZAR') | undefined, exchangeRate?: number | undefined, paymentUrl?: string | undefined, sendEmail?: boolean | undefined, email?: ({to?: string | undefined, cc?: string | undefined, bcc?: string | undefined}) | undefined, language?: string | undefined, observations?: string | undefined, mentions?: string | undefined, precision?: number | undefined, issuerName?: string | undefined, issuerCnp?: string | undefined, delegateName?: string | undefined, delegateIdentityCard?: string | undefined, delegateAuto?: string | undefined, useIntraCif?: boolean | undefined, aviz?: string | undefined};

export type CreateApiEstimateV2Args = {body: EstimateRequest};

export type CreateApiEstimateV2Options = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const estimateResponseV2 = z.object({errorText: z.string().optional(), message: z.string().optional(), number: z.string().optional(), series: z.string().optional(), url: z.string().optional(), documentUrl: z.string().optional(), documentId: z.number().int().optional(), documentViewUrl: z.string().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
};

/**
 * Emitere proforma
 * 
 * POST /estimate/v2
 */
export const createApiEstimateV2 = async (args: CreateApiEstimateV2Args, options?: CreateApiEstimateV2Options) => {
const {baseUrl = "https://ws.smartbill.ro/SBORO/api", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/estimate/v2${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(estimateResponseV2, await res.json())
};