import {z} from 'zod'

export type AcquisitionType = 'loan' | 'lease';

export type Id = number;

export type NullableId = number | null;

export type CreateApiAcquisitionsArgs = {body: {acquisition_type: AcquisitionType, vehicle_id: Id, vendor_id?: NullableId | undefined, lender_id?: NullableId | undefined, monthly_cost?: number | undefined, capitalized_cost?: number | undefined, down_payment_amount?: number | undefined, residual_value?: number | undefined, purchase_price?: number | undefined, acquisition_date?: string | undefined, acquisition_end_date?: string | undefined, first_payment_date?: string | undefined, number_of_payments?: number | undefined, mileage_cap?: number | undefined, loan_amount?: number | undefined, mileage_charge?: number | undefined, annual_percentage_rate?: number | undefined, reference_number?: string | undefined, notes?: string | undefined}};

export type CreateApiAcquisitionsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, accountToken?: string | undefined, fetch?: typeof fetch | undefined};

export const id = z.number().int().gte(1);

export const acquisitionType = z.enum(["loan", "lease"]);

export const nullableId = z.number().int().gte(1).nullable();

export const acquisition = z.object({id: id.optional(), vehicle_id: id, acquisition_type: acquisitionType, vendor_id: nullableId, lender_id: nullableId, first_payment_date: z.string().nullable(), number_of_payments: z.number().int().nullable(), mileage_cap: z.number().int().nullable(), annual_percentage_rate: z.number().nullable(), reference_number: z.string().nullable(), notes: z.string().nullable(), loan_amount: z.number().nullable(), down_payment_amount: z.number().nullable(), monthly_cost: z.number().nullable(), capitalized_cost: z.number().nullable(), residual_value: z.number().nullable(), purchase_price: z.number().nullable(), mileage_charge: z.number().nullable(), acquisition_date: z.string().nullable(), acquisition_end_date: z.string().nullable().optional(), vehicle: z.object({}).nullable(), lender: z.object({}).nullable(), vendor: z.object({}).nullable()});

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 Acquisition
 * 
 * POST /acquisitions
 */
export const createApiAcquisitions = async (args: CreateApiAcquisitionsArgs, options?: CreateApiAcquisitionsOptions) => {
const {baseUrl = "https://secure.fleetio.com/api", fetch: fetchFn = fetch, apiKey, accountToken} = options ?? {}

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

if (apiKey !== undefined) headers.set("Authorization", apiKey)
if (accountToken !== undefined) headers.set("Account-Token", accountToken)

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