import {z} from 'zod'

export type ResourceId = string;

export type GetApiTransactionsTransactionIdArgs = {Authorization: string, transaction_id: ResourceId};

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

export const resourceId = z.string();

export const entityRef = z.object({entityId: z.string().optional(), entityType: z.literal("urn:elli:encompass:loan").optional()});

export const productTransactionView = z.object({id: resourceId.optional(), partnerId: z.unknown().optional(), name: z.unknown().optional()});

export const productRequestType = z.string();

export const user = z.object({name: z.string().optional(), role: z.string().optional(), email: z.string().optional(), phone: z.string().optional()});

export const organization = z.object({name: z.string().optional(), address: z.string().optional(), city: z.string().optional(), state: z.string().optional(), postalCode: z.string().optional(), pointOfContact: user.optional()});

export const credentials = z.record(z.string(), z.union([z.string(), z.number().int(), z.number(), z.boolean()]));

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 transactionRequest = z.object({type: productRequestType.optional(), requestingParty: organization.optional(), credentials: credentials.optional(), loanFormat: z.literal("application/vnd.plm-2.0.0+json").optional(), loan: z.object({}).optional(), resources: z.array(transactionResource).optional(), options: z.record(z.string(), z.unknown()).optional()});

export const productDataEntitlementsResultFormat = z.enum(["application/vnd.productpricing-lock-1.0.0.json", "application/vnd.productpricing-extendlock-1.0.0.json", "application/vnd.productpricing-relock-1.0.0.json", "application/vnd.productpricing-cancellock-1.0.0.json", "application/vnd.productpricing-lock-and-confirm-1.0.0.json"]);

export const transactionResponseResult = z.object({resultFormat: productDataEntitlementsResultFormat, action: z.enum(["LOCK", "RELOCK", "EXTEND", "CANCEL", "LOCK_CONFIRM"]), details: z.object({})});

export const errorModel = z.object({code: z.string(), description: z.string(), type: z.literal("system").optional(), fieldId: z.string().optional(), resourceId: z.enum(["TRANSACTION", "PRODUCT", "ORIGIN"])});

export const errors = z.array(errorModel);

export const transactionInputRequired = z.object({name: z.string().optional(), type: z.enum(["field", "resource"]).optional(), value: z.string().optional(), description: z.string().optional(), jsonPath: z.string().optional()});

export const transactionResponse = z.object({status: z.enum(["processing", "completed", "failed", "canceled", "inputRequired"]), referenceNumber: z.string(), partnerStatus: z.string().optional(), respondingParty: organization.optional(), loanFormat: z.literal("application/vnd.plm-2.0.0+json").optional(), loan: z.object({}).optional(), resources: z.array(transactionResource).optional(), result: transactionResponseResult.optional(), errors: errors.optional(), inputRequired: z.array(transactionInputRequired).optional()});

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 resourceCreatedUpdated = z.string();

export const resourceCreatedUpdatedBy = z.string();

export const transaction = z.object({id: resourceId.optional(), status: z.enum(["pending", "completed"]).optional(), clientId: z.string().optional(), entityRef: entityRef.optional(), product: productTransactionView.optional(), environment: z.unknown().optional(), application: z.enum(["urn:elli:application:encompass", "urn:elli:application:loconnect", "urn:elli:application:consumerconnect", "urn:elli:application:tpoconnect", "urn:elli:application:developerconnect"]).optional(), orderType: z.enum(["MANUAL", "ONECLICK", "AUTOMATED"]).optional(), request: transactionRequest.optional(), response: transactionResponse.optional(), events: z.array(transactionEvent).optional(), created: resourceCreatedUpdated.optional(), createdBy: resourceCreatedUpdatedBy.optional(), updated: resourceCreatedUpdated.optional(), updatedBy: resourceCreatedUpdatedBy.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
};

/**
 * Retrieve a specific transaction
 * 
 * GET /transactions/{transaction_id}
 */
export const getApiTransactionsTransactionId = async (args: GetApiTransactionsTransactionIdArgs, options?: GetApiTransactionsTransactionIdOptions) => {
const {baseUrl = "https://api.elliemae.com/oauth2/v1", fetch: fetchFn = fetch} = options ?? {}

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

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

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