import {z} from 'zod'

export type GetApiCustomerInvoicesInvoiceIdArgs = {invoiceId: number};

export type GetApiCustomerInvoicesInvoiceIdOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const links = z.object({href: z.string(), rel: z.string(), type: z.enum(["GET", "POST", "PUT", "PATCH"])});

export const invoiceSection: z.ZodType<InvoiceSection> = z.object({sectionId: z.number(), name: z.string().nullable(), sortOrder: z.number().nullable(), parentSectionId: z.number().nullable(), description: z.string().nullable(), lineItems: z.array(z.object({priceBookLineItemId: z.number().nullable(), itemName: z.string().nullable(), itemQuantity: z.number().nullable(), unitOfMeasureSell: z.union([z.literal("each"), z.literal("hour"), z.literal("day"), z.literal("kilogram"), z.literal("tonne"), z.literal("litre"), z.literal("bag"), z.literal("sheet"), z.literal("length"), z.literal("box"), z.literal("millimetre"), z.literal("centimetre"), z.literal("metre"), z.literal("square_metre"), z.literal("cubic_metre")]).nullable(), itemPrice: z.number().nullable(), salesAccountId: z.number().nullable(), isLabour: z.boolean().nullable(), sortOrder: z.number().nullable(), discountRate: z.number().nullable(), isCombined: z.boolean().nullable(), combinedItemId: z.number().nullable(), customerInvoiceLineItemId: z.number(), itemDescription: z.string().nullable(), isCardPaymentFee: z.boolean().nullable()})).optional(), sections: z.array(z.lazy(() => invoiceSection)).optional()});

export const detailedCustomerInvoice = z.object({id: z.number(), jobId: z.number(), customerId: z.number(), attn: z.string().nullable(), title: z.string(), description: z.string().nullable(), invoiceNumber: z.string().nullable(), receiverEmail: z.string().nullable(), receiverFullName: z.string().nullable(), receiverPostalAddress: z.string().nullable(), dueDate: z.string().nullable(), dueDays: z.union([z.number(), z.string()]).nullable(), invoiceDate: z.string().nullable(), paidAt: z.string().nullable(), subtotal: z.number(), taxValue: z.number(), totalPaid: z.number().nullable(), taxRate: z.number(), type: z.union([z.literal("approved"), z.literal("toBeApproved"), z.literal("draft")]), status: z.union([z.literal("unpaid"), z.literal("draft"), z.literal("voided"), z.literal("paidDisputed"), z.literal("unpaidDisputed"), z.literal("paid")]), isSent: z.boolean(), isFinal: z.boolean(), createdAt: z.string(), fergusPayEnabled: z.boolean(), directDebitStatus: z.union([z.literal("processing"), z.literal("succeeded"), z.literal("failed")]).nullable(), links: z.array(links), customer: z.object({id: z.number(), customerFullName: z.string(), links: z.array(links)}), sections: z.array(z.object({sectionId: z.number(), name: z.string().nullable(), sortOrder: z.number().nullable(), parentSectionId: z.number().nullable(), description: z.string().nullable(), lineItems: z.array(z.object({priceBookLineItemId: z.number().nullable(), itemName: z.string().nullable(), itemQuantity: z.number().nullable(), unitOfMeasureSell: z.union([z.literal("each"), z.literal("hour"), z.literal("day"), z.literal("kilogram"), z.literal("tonne"), z.literal("litre"), z.literal("bag"), z.literal("sheet"), z.literal("length"), z.literal("box"), z.literal("millimetre"), z.literal("centimetre"), z.literal("metre"), z.literal("square_metre"), z.literal("cubic_metre")]).nullable(), itemPrice: z.number().nullable(), salesAccountId: z.number().nullable(), isLabour: z.boolean().nullable(), sortOrder: z.number().nullable(), discountRate: z.number().nullable(), isCombined: z.boolean().nullable(), combinedItemId: z.number().nullable(), customerInvoiceLineItemId: z.number(), itemDescription: z.string().nullable(), isCardPaymentFee: z.boolean().nullable()})).optional(), sections: z.array(invoiceSection).optional()}))});

export const getCustomerInvoiceByIdResponse = z.object({result: z.string(), data: detailedCustomerInvoice});

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
};

/**
 * Returns a single invoice by ID with customer details and sections
 * 
 * GET /customerInvoices/{invoiceId}
 * 
 * Also accepts auth: PersonalAccessToken
 */
export const getApiCustomerInvoicesInvoiceId = async (args: GetApiCustomerInvoicesInvoiceIdArgs, options?: GetApiCustomerInvoicesInvoiceIdOptions) => {
const {baseUrl = "https://api.fergus.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/customerInvoices/${encodeURIComponent(String(args.invoiceId))}${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(getCustomerInvoiceByIdResponse, await res.json())
};