import {z} from 'zod'

export type TransactionPatch = {accountId?: string | undefined, amount?: {value: number} | undefined, categoryId?: string | undefined, categoryIdConfirmed?: boolean | undefined, date?: string | undefined, longDescription?: string | undefined, shortDescription?: string | undefined, notes?: string | undefined, status?: ('posted' | 'pending') | undefined, projectId?: string | undefined, enhancedCategories?: ({'uk-tax-hmrc'?: string | undefined}) | undefined};

export type PatchApiTransactionsTransactionIdArgs = {transactionId: string, body: TransactionPatch};

export type PatchApiTransactionsTransactionIdOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const transaction = z.object({accountId: z.string().optional(), amount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()}), categoryId: z.string(), categoryIdConfirmed: z.boolean(), date: z.string(), dateModified: z.string(), dateCreated: z.string().optional(), valueDate: z.string().optional(), id: z.string(), longDescription: z.string(), providerId: z.string().optional(), notes: z.string(), shortDescription: z.string(), counterpartyId: z.string().optional(), status: z.enum(["posted", "pending"]), projectId: z.string().optional(), enhancedCategories: z.object({"uk-tax-hmrc": z.string().optional()}).optional(), splits: z.array(z.object({amount: z.object({value: z.number().int().optional(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string().optional()}), categoryId: z.string(), description: z.string(), id: z.string(), projectId: z.string().optional()})).optional(), transactionCode: z.object({code: z.string(), subCode: z.string()}).optional(), proprietaryTransactionCode: z.object({code: z.string(), issuer: z.string().optional()}).optional(), balance: z.object({value: z.number().int().optional(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string().optional()}).optional(), balanceType: z.string().optional(), statementReference: z.string().optional(), merchantName: z.string().optional(), merchantCategoryCode: z.string().optional(), cardInstrument: z.object({name: z.string().optional(), pan: z.string().optional(), cardSchemeName: z.string().optional(), authorisationType: z.string().optional()}).optional(), creditorAccount: z.object({name: z.string().optional(), sortCode: z.string().optional(), accountNumber: z.string().optional(), iban: z.string().optional(), pan: z.string().optional()}).optional(), creditorAgent: z.object({name: z.string().optional(), postalAddress: z.record(z.string(), z.unknown()).optional()}).optional(), debtorAccount: z.object({name: z.string().optional(), sortCode: z.string().optional(), accountNumber: z.string().optional(), iban: z.string().optional(), pan: z.string().optional()}).optional(), debtorAgent: z.object({name: z.string().optional(), postalAddress: z.record(z.string(), z.unknown()).optional()}).optional(), transactionReference: z.string().optional(), transactionInformation: z.string().optional()});

export const links = z.object({next: z.string().optional(), prev: z.string().optional(), self: z.string()});

export const patchApiTransactionsTransactionIdResponse = z.object({data: transaction.optional(), links: links.optional(), meta: z.object({}).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
};

/**
 * Update a single transaction
 * 
 * PATCH /transactions/{transactionId}
 */
export const patchApiTransactionsTransactionId = async (args: PatchApiTransactionsTransactionIdArgs, options?: PatchApiTransactionsTransactionIdOptions) => {
const {baseUrl = "https://api.moneyhub.co.uk/v2.0", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/transactions/${encodeURIComponent(String(args.transactionId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(patchApiTransactionsTransactionIdResponse, await res.json())
};