import {z} from 'zod'

export type IntectBillingUsage = {Id?: number | undefined, AccountId?: (number | null) | undefined, ModuleId?: (number | null) | undefined, BillingDate?: (string | null) | undefined, Units?: number | undefined, AmountPerUnit?: number | undefined, Amount?: number | undefined, CompanyId?: (number | null) | undefined, SalaryBatchId?: (number | null) | undefined, SalaryStatementId?: (number | null) | undefined, PaymentId?: (number | null) | undefined, UserEmploymentId?: (number | null) | undefined, CompanyUserId?: (number | null) | undefined, Created?: string | undefined, PackageId?: (number | null) | undefined, BillingPrincipleId?: number | undefined, Description?: string | undefined, InternalComment?: string | undefined};

export type CreateApiApiBackendUsageArgs = {body: IntectBillingUsage};

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

export const intectBillingUsage = z.object({Id: z.number().int().optional(), AccountId: z.number().int().nullable().optional(), ModuleId: z.number().int().nullable().optional(), BillingDate: z.string().nullable().optional(), Units: z.number().optional(), AmountPerUnit: z.number().optional(), Amount: z.number().optional(), CompanyId: z.number().int().nullable().optional(), SalaryBatchId: z.number().int().nullable().optional(), SalaryStatementId: z.number().int().nullable().optional(), PaymentId: z.number().int().nullable().optional(), UserEmploymentId: z.number().int().nullable().optional(), CompanyUserId: z.number().int().nullable().optional(), Created: z.string().optional(), PackageId: z.number().int().nullable().optional(), BillingPrincipleId: z.number().int().optional(), Description: z.string().optional(), InternalComment: 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
};

/**
 * Registers billable usage on a company, typically support. This method is available to Intect employees only.
 * 
 * POST /api/backend/usage
 * 
 * Also accepts auth: ApiKey
 */
export const createApiApiBackendUsage = async (args: CreateApiApiBackendUsageArgs, options?: CreateApiApiBackendUsageOptions) => {
const {baseUrl = "https://api.intect.app", 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 = `${baseUrl.replace(/\/+$/, '')}/api/backend/usage${query.size > 0 ? `?${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(intectBillingUsage, await res.json())
};