import {z} from 'zod'

export type UpdateEndpointRequest = {url: string, removeHeaders: Array<string>, addHeaders: {[key: string]: Array<string>}, secureSsl?: boolean | undefined, hmacEnabled?: boolean | undefined, secret?: string | undefined, tag?: string | undefined};

export type RetryStrategyUpdateRequest = {type: 'linear' | 'exponential', interval: number, attempts: number};

export type FailureHandlingUpdateRequest = {removeAlertEndpoint: boolean, alertEndpoint: UpdateEndpointRequest, removeTriggers: Array<string>, addTriggers: Array<string>, removeRetryStrategy: boolean, retryStrategy: RetryStrategyUpdateRequest, divert: boolean, suspend: boolean};

export type UpdateWebhookRequest = {name: string, enabled: boolean, removeEventTypes: Array<string>, addEventTypes: Array<string>, endpoint: UpdateEndpointRequest, removeFailureHandling: boolean, failureHandling: FailureHandlingUpdateRequest};

export type PatchApiEventTenantLocatorWebhooksWebhookLocatorArgs = {tenantLocator: string, webhookLocator: unknown, body: UpdateWebhookRequest};

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

export const endpointResponse = z.object({url: z.string(), headers: z.record(z.string(), z.array(z.string())), secureSsl: z.boolean(), hmacEnabled: z.boolean(), secret: z.string(), tag: z.string()});

export const retryStrategyResponse = z.object({type: z.enum(["linear", "exponential"]), interval: z.number().int(), attempts: z.number().int()});

export const failureHandlingResponse = z.object({alertEndpoint: endpointResponse, triggers: z.array(z.string()), retryStrategy: retryStrategyResponse, divert: z.boolean(), suspend: z.boolean()});

export const webhookResponse = z.object({locator: z.string(), name: z.string(), enabled: z.boolean(), suspended: z.boolean(), suspendedAt: z.string(), eventTypes: z.array(z.string()), endpoint: endpointResponse, failureHandling: failureHandlingResponse});

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
};

/**
 * PATCH /event/{tenantLocator}/webhooks/{webhookLocator}
 */
export const patchApiEventTenantLocatorWebhooksWebhookLocator = async (args: PatchApiEventTenantLocatorWebhooksWebhookLocatorArgs, options: PatchApiEventTenantLocatorWebhooksWebhookLocatorOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/event/${encodeURIComponent(String(args.tenantLocator))}/webhooks/${encodeURIComponent(String(args.webhookLocator))}${query.size > 0 ? `?${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(webhookResponse, await res.json())
};