import {z} from 'zod'

export type InvoiceLineRequest = {product_id: string, quantity: number | string, price?: (number | string | null) | undefined, description?: (string | null) | undefined, discount_percentage?: (number | string | null) | undefined, discount_description?: (string | null) | undefined};

export type DateString = string;

export type PaymentMethodType = 'BANK_TRANSFER' | 'CARD' | 'ACH_DIRECT_DEBIT' | 'INTERNATIONAL_WIRE' | 'USDC_ETHEREUM' | 'USDC_SOLANA' | 'USDC_BASE' | 'USDC_XDC' | 'USDT_ETHEREUM' | 'USDT_SOLANA' | 'CASH_SOLANA';

export type CreateInvoiceRequest = {customer_id: string, line_items: Array<InvoiceLineRequest>, invoice_date: DateString, due_date: DateString, payment_method_types: Array<PaymentMethodType>, recurring_schedule?: (string | null) | undefined, send_email_on_creation: boolean, additional_recipient_emails?: (Array<string> | null) | undefined, note?: (string | null) | undefined, name?: (string | null) | undefined, collection_account_id: string, show_contact_address?: boolean | undefined, save_as_draft?: boolean | undefined};

export type CreateApiBillingInvoicesArgs = {'x-entity-id'?: string | undefined, body: CreateInvoiceRequest};

export type CreateApiBillingInvoicesOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const invoiceStatus = z.enum(["Draft", "Open", "Pending", "Scheduled", "Partially Paid", "Paid", "Canceled", "Expired", "Overdue"]);

export const dateString = z.string();

export const paymentMethodType = z.enum(["BANK_TRANSFER", "CARD", "ACH_DIRECT_DEBIT", "INTERNATIONAL_WIRE", "USDC_ETHEREUM", "USDC_SOLANA", "USDC_BASE", "USDC_XDC", "USDT_ETHEREUM", "USDT_SOLANA", "CASH_SOLANA"]);

export const timestamp = z.string();

export const invoice = z.object({id: z.string(), name: z.string().nullable().optional(), customer_id: z.string(), status: invoiceStatus, amount: z.string(), amount_paid: z.string(), amount_due: z.string(), invoice_number: z.string().nullable().optional(), line_item_ids: z.array(z.string()), invoice_date: dateString.nullable().optional(), due_date: dateString.nullable().optional(), payment_method_types: z.array(paymentMethodType), send_email_on_creation: z.boolean(), additional_recipient_emails: z.array(z.string()), note: z.string().nullable().optional(), collection_account_id: z.string(), created_at: timestamp, updated_at: timestamp.nullable().optional(), paid_at: timestamp.nullable().optional(), canceled_at: timestamp.nullable().optional(), sent_at: timestamp.nullable().optional(), expired_at: timestamp.nullable().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 Invoice
 * 
 * POST /billing/invoices
 */
export const createApiBillingInvoices = async (args: CreateApiBillingInvoicesArgs, options?: CreateApiBillingInvoicesOptions) => {
const {baseUrl = "https://api.meow.com/v1", 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 (args['x-entity-id'] != null) headers.set("x-entity-id", String(args['x-entity-id']))
if (apiKeyAuth !== undefined) headers.set("x-api-key", apiKeyAuth)

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