import {z} from 'zod'

export type GetApiInvoicesInvoiceIdArgs = {invoice_id: string, 'x-business-id': string};

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

export const address = z.object({addressLine1: z.string(), addressLine2: z.string().optional(), city: z.string(), zipCode: z.string(), state: z.string().optional(), country: z.string()});

export const clientDetails = z.object({contactId: z.string().optional(), billingName: z.string(), contactName: z.string().optional(), phone: z.string().optional(), email: z.string(), address: z.union([z.string(), address]).optional()});

export const paymentTerms = z.object({name: z.string(), description: z.string().optional(), days: z.number().int(), paymentDueDate: z.string().optional(), discount: z.number().optional(), penalty: z.number().optional()});

export const createdLineItem = z.object({id: z.string().optional(), inventoryId: z.string().optional(), name: z.string(), description: z.string().optional(), price: z.number(), taxRate: z.number().optional(), metadata: z.object({}).optional(), quantity: z.number().optional(), total: z.number(), serviceDate: z.string().optional(), tags: z.array(z.unknown()).optional()});

export const lineItem = z.object({name: z.string(), description: z.string().optional(), price: z.number(), taxRate: z.number().optional(), taxable: z.boolean().optional(), metadata: z.object({}).optional(), inventoryId: z.string().optional(), quantity: z.number().optional(), total: z.number(), serviceDate: z.string().optional(), tags: z.array(z.unknown()).optional()});

export const frequency = z.enum(["Weekly", "Bi-Weekly", "Monthly", "Bi-Monthly", "Quarterly"]);

export const appInvoicesApiInvoicesSchemaInvoiceStatus = z.enum(["draft", "issued", "paid", "partially paid", "overdue", "expired", "cancelled", "archived", "uncollectible"]);

export const invoicePayment = z.object({transactionId: z.string(), amount: z.number(), date: z.string().optional(), metadata: z.object({}).optional()});

export const createdInvoice = z.object({createdByUserId: z.string().optional(), dateIssued: z.string(), invoiceNumber: z.number().int(), clientDetails: clientDetails, paymentTerms: z.array(paymentTerms).optional(), paymentInstructions: z.object({}).optional(), billingPeriodStart: z.string().optional(), billingPeriodEnd: z.string().optional(), lineItems: z.array(z.union([createdLineItem, lineItem])), taxRate: z.number(), totalTax: z.number(), subTotal: z.number(), totalDue: z.number(), paymentDueDate: z.string(), totalDiscount: z.number().optional(), depositAmount: z.number().optional(), depositDate: z.string().optional(), parentProjectId: z.string().optional(), recurringFrequency: frequency.optional(), status: appInvoicesApiInvoicesSchemaInvoiceStatus.optional(), metadata: z.object({}).optional(), id: z.string().optional(), payments: z.array(invoicePayment).optional(), totalPaid: z.number().optional(), totalOutstanding: z.number().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
};

/**
 * Get Invoice
 * 
 * GET /invoices/{invoice_id}
 * 
 * Also accepts auth: AccessToken
 */
export const getApiInvoicesInvoiceId = async (args: GetApiInvoicesInvoiceIdArgs, options: GetApiInvoicesInvoiceIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args['x-business-id'] != null) headers.set("x-business-id", String(args['x-business-id']))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

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