import {z} from 'zod'

export type ClientBillingDetails = {companyName?: (string | null) | undefined, vatNumber?: (string | null) | undefined, addressLine1?: (string | null) | undefined, addressLine2?: (string | null) | undefined, city?: (string | null) | undefined, state?: (string | null) | undefined, postcode?: (string | null) | undefined, country?: (string | null) | undefined, contactName?: (string | null) | undefined, contactPhone?: (string | null) | undefined, contactEmail?: (string | null) | undefined, peppolEndpointId?: (string | null) | undefined, peppolEndpointScheme?: (string | null) | undefined, peppolMeansCode?: (string | null) | undefined, bankAccountNumber?: (string | null) | undefined, bankAccountRoutingNumber?: (string | null) | undefined, bankAccountHolderName?: (string | null) | undefined};

export type ClientRequestCreateRequest = {name: string, projects?: Array<string> | undefined, lineItemMask?: string | undefined, defaultTax?: ({id?: number | undefined, rate?: number | undefined}) | undefined, defaultDiscount?: number | undefined, paymentDueDays?: number | undefined, reference?: string | undefined, invoicePublicNotes?: string | undefined, businessDetails?: string | undefined, billingDetails?: ClientBillingDetails | undefined, excludedLabels?: Array<string> | undefined, email?: Array<string> | undefined};

export type CreateApiClientsArgs = {body: ClientRequestCreateRequest};

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

export const clientBudget = z.object({type: z.enum(["money", "time", "costs"]), budget: z.number(), period: z.enum(["general", "monthly", "weekly", "daily", "quarterly", "yearly"]), appliedFrom: z.string().nullable().optional(), disallowOverbudget: z.boolean().optional(), excludeUnbillableTime: z.boolean().optional(), excludeExpenses: z.boolean().optional(), threshold: z.number().optional(), progress: z.number().optional()});

export const client = z.object({id: z.number(), name: z.string(), projects: z.array(z.string()), businessDetails: z.string().nullable().optional(), budget: clientBudget.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
};

/**
 * Create Client
 * 
 * POST /clients
 */
export const createApiClients = async (args: CreateApiClientsArgs, options?: CreateApiClientsOptions) => {
const {baseUrl = "https://api.everhour.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-Api-Key", ApiKeyAuth)

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