import {z} from 'zod'

export type Address = {addressLine1: string, addressLine2?: string | undefined, city: string, zipCode: string, state?: string | undefined, country: string};

export type ClientDetails = {contactId?: string | undefined, billingName: string, contactName?: string | undefined, phone?: string | undefined, email: string, address?: (string | Address) | undefined};

export type PaymentTerms = {name: string, description?: string | undefined, days: number, paymentDueDate?: string | undefined, discount?: number | undefined, penalty?: number | undefined};

export type LineItem = {name: string, description?: string | undefined, price: number, taxRate?: number | undefined, taxable?: boolean | undefined, metadata?: Record<string, never> | undefined, inventoryId?: string | undefined, quantity?: number | undefined, total: number, serviceDate?: string | undefined, tags?: Array<unknown> | undefined};

export type Frequency = 'Weekly' | 'Bi-Weekly' | 'Monthly' | 'Bi-Monthly' | 'Quarterly';

export type AppInvoicesApiInvoicesSchemaInvoiceStatus = 'draft' | 'issued' | 'paid' | 'partially paid' | 'overdue' | 'expired' | 'cancelled' | 'archived' | 'uncollectible';

export type Invoice = {createdByUserId?: string | undefined, dateIssued: string, invoiceNumber: number, clientDetails: ClientDetails, paymentTerms?: Array<PaymentTerms> | undefined, paymentInstructions?: Record<string, never> | undefined, billingPeriodStart?: string | undefined, billingPeriodEnd?: string | undefined, lineItems: Array<LineItem>, taxRate: number, totalTax: number, subTotal: number, totalDue: number, paymentDueDate: string, totalDiscount?: number | undefined, depositAmount?: number | undefined, depositDate?: string | undefined, parentProjectId?: string | undefined, recurringFrequency?: Frequency | undefined, status?: AppInvoicesApiInvoicesSchemaInvoiceStatus | undefined, metadata?: Record<string, never> | undefined};

export type CreateApiInvoicesArgs = {'x-business-id': string, body: Invoice};

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

export const invoiceID = z.object({invoiceId: z.string()});

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 /invoices
 * 
 * Also accepts auth: AccessToken
 */
export const createApiInvoices = async (args: CreateApiInvoicesArgs, options: CreateApiInvoicesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
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${query.size > 0 ? `?${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(invoiceID, await res.json())
};