import {z} from 'zod'

export type ResourceId = string;

export type TransactionResource = {name: string, mimeType: 'text/plain' | 'application/xml' | 'application/json' | 'image/jpeg' | 'image/png' | 'image/bmp' | 'image/gif' | 'application/msword' | 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' | 'text/html' | 'application/vnd.ms-xpsdocument' | 'application/emf' | 'application/zip' | 'application/pdf' | 'text/csv', type?: string | undefined, id: string};

export type TransactionEventRequest = {text: string, type: string, from: string, comments?: string | undefined, resources?: Array<TransactionResource> | undefined};

export type CreateApiTransactionsTransactionIdEventsArgs = {Authorization: string, transaction_id: ResourceId, body: TransactionEventRequest};

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

export const transactionResource = z.object({name: z.string(), mimeType: z.enum(["text/plain", "application/xml", "application/json", "image/jpeg", "image/png", "image/bmp", "image/gif", "application/msword", "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "text/html", "application/vnd.ms-xpsdocument", "application/emf", "application/zip", "application/pdf", "text/csv"]), type: z.string().optional(), id: z.string()});

export const transactionEvent = z.object({id: z.string().optional(), text: z.string().optional(), type: z.string().optional(), from: z.string().optional(), sent: z.string().optional(), comments: z.string().optional(), resources: z.array(transactionResource).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 a new transaction event
 * 
 * POST /transactions/{transaction_id}/events
 */
export const createApiTransactionsTransactionIdEvents = async (args: CreateApiTransactionsTransactionIdEventsArgs, options?: CreateApiTransactionsTransactionIdEventsOptions) => {
const {baseUrl = "https://api.elliemae.com/oauth2/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/transactions/${encodeURIComponent(String(args.transaction_id))}/events${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(transactionEvent, await res.json())
};