import {z} from 'zod'

export type SupplierState = 'Active' | 'Archived';

export type GetApiCleemyProcurementApiSuppliersArgs = {state?: SupplierState | undefined, 'search.terms'?: string | undefined, 'fields.root'?: 'count' | undefined, page?: number | undefined, limit?: number | undefined};

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

export const supplierState = z.enum(["Active", "Archived"]);

export const timeUnit = z.enum(["Day", "Week", "Month", "Year"]);

export const paymentMethod = z.enum(["BankTransfer", "PhysicalCard", "Check", "DirectDebit", "SingleUseCard"]);

export const costCenterReference = z.object({id: z.number().int().optional(), name: z.string().optional(), code: z.string().optional(), href: z.string().optional()});

export const establishmentReference = z.object({id: z.number().int().optional(), name: z.string().optional(), href: z.string().optional()});

export const supplier = z.object({id: z.number().int().optional(), name: z.string().optional(), state: supplierState.optional(), territory: z.object({id: z.number().int().optional(), name: z.string().optional(), href: z.string().optional()}).optional(), territoryId: z.string().optional(), legalRegistration: z.object({identifier: z.string().nullable().optional(), vatNumber: z.string().nullable().optional()}).optional(), contacts: z.array(z.object({firstName: z.string().nullable().optional(), lastName: z.string().nullable().optional(), email: z.string().nullable().optional(), phone: z.string().nullable().optional()})).optional(), paymentTerm: z.object({value: z.number().int().optional(), unit: timeUnit.optional()}).nullable().optional(), bankAccount: z.object({iban: z.string().nullable().optional(), bic: z.string().nullable().optional()}).nullable().optional(), preferredNature: z.object({id: z.number().int().optional(), name: z.string().optional(), href: z.string().optional()}).nullable().optional(), preferredNatureId: z.number().int().nullable().optional(), preferredPaymentMethod: paymentMethod.nullable().optional(), preferredCostCenter: costCenterReference.optional(), preferredCostCenterId: z.number().int().nullable().optional(), establishments: z.array(establishmentReference).optional(), flag: z.enum(["Unflagged", "Flagged"]).optional()});

export const getApiCleemyProcurementApiSuppliersResponse = z.object({items: z.array(supplier), prev: z.union([z.string(), z.number().int()]).nullable().optional(), next: z.union([z.string(), z.number().int()]).nullable().optional(), count: z.number().int().gte(0).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
};

/**
 * List Suppliers
 * 
 * GET /cleemy-procurement/api/suppliers
 */
export const getApiCleemyProcurementApiSuppliers = async (args: GetApiCleemyProcurementApiSuppliersArgs, options?: GetApiCleemyProcurementApiSuppliersOptions) => {
const {baseUrl = "https://example.ilucca.net", fetch: fetchFn = fetch} = options ?? {}

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

if (args.state != null) query.append("state", String(args.state))
if (args['search.terms'] != null) query.append("search.terms", String(args['search.terms']))
if (args['fields.root'] != null) query.append("fields.root", String(args['fields.root']))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/cleemy-procurement/api/suppliers${query.size > 0 ? `?${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(getApiCleemyProcurementApiSuppliersResponse, await res.json())
};