import {z} from 'zod'

export type GetApiV1ProductsArgs = {PageIndex?: number | undefined, PageSize?: number | undefined, OrderBy?: string | undefined, query?: string | undefined, familyId?: string | undefined};

export type GetApiV1ProductsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const productFamily = z.object({id: z.number().int().optional(), label: z.string().nullable().optional(), number: z.string().nullable().optional()});

export const productType = z.enum(["Product", "Service", "Text"]);

export const unitType = z.enum(["Time", "Weight", "Area", "Volume", "Dimension", "Other"]);

export const unit = z.object({code: z.string().nullable().optional(), conversion: z.number().optional(), decimals: z.number().nullable().optional(), id: z.number().int().nullable().optional(), name: z.string().nullable().optional(), type: unitType.optional()});

export const vatRegion = z.enum(["FR", "EU", "IE", "DOM", "Corse", "Monaco"]);

export const vat = z.object({default: z.boolean().optional(), id: z.number().int().nullable().optional(), label: z.string().nullable().optional(), rate: z.number().nullable().optional(), region: vatRegion.optional()});

export const product = z.object({active: z.boolean().optional(), defaultQuantity: z.number().optional(), description: z.string().nullable().optional(), family: productFamily.optional(), id: z.number().int().optional(), imageUrl: z.string().nullable().optional(), internalId: z.string().nullable().optional(), internalNotes: z.string().nullable().optional(), isUnitPriceTaxIncluded: z.boolean().optional(), margin: z.number().optional(), marginRate: z.number().optional(), markupRate: z.number().optional(), metadata: z.record(z.string(), z.string().nullable()).nullable().optional(), name: z.string().nullable().optional(), number: z.string().nullable().optional(), purchasePrice: z.number().optional(), taxExcludedPrice: z.number().optional(), taxIncludedPrice: z.number().optional(), type: productType.optional(), unit: unit.optional(), unitPrice: z.number().optional(), vat: vat.optional()});

export const getApiV1ProductsResponse = z.array(product);

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 products
 * 
 * GET /v1/products
 */
export const getApiV1Products = async (args: GetApiV1ProductsArgs, options?: GetApiV1ProductsOptions) => {
const {baseUrl = "https://api.altoviz.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.PageIndex != null) query.append("PageIndex", String(args.PageIndex))
if (args.PageSize != null) query.append("PageSize", String(args.PageSize))
if (args.OrderBy != null) query.append("OrderBy", String(args.OrderBy))
if (args.query != null) query.append("query", String(args.query))
if (args.familyId != null) query.append("familyId", String(args.familyId))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/products${query.size > 0 ? `?${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(getApiV1ProductsResponse, await res.json())
};