import {z} from 'zod'

export type WebhookStatus = 'active' | 'disabled';

export type GetApiV2WebhooksArgs = {status?: WebhookStatus | undefined};

export type GetApiV2WebhooksOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const requestStatus = z.enum(["success", "miss", "failure"]);

export const v2ResponseContext = z.object({correlation_id: z.string(), request_status: requestStatus, time_taken_in_seconds: z.number()});

export const webhookScopeType = z.enum(["tenant", "organization", "partner"]);

export const webhookScope = z.object({type: webhookScopeType, id: z.string()});

export const payloadFormat = z.enum(["json", "stringified_json"]);

export const webhookStatus = z.enum(["active", "disabled"]);

export const webhookResource = z.object({webhook_id: z.string(), scope: webhookScope, name: z.string(), description: z.string().optional(), webhook_url: z.string(), headers: z.array(z.string()).optional(), payload_format: payloadFormat.optional(), status: webhookStatus, created_at: z.string(), last_modified_time: z.string(), legacy: z.boolean().optional()});

export const webhookListResponse = z.object({response_context: v2ResponseContext, webhooks: z.array(webhookResource)});

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
};

/**
 * List Webhooks
 * 
 * GET /v2/webhooks
 * 
 * Also accepts auth: APIKeyHeader
 */
export const getApiV2Webhooks = async (args: GetApiV2WebhooksArgs, options?: GetApiV2WebhooksOptions) => {
const {baseUrl = "https://api.explorium.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.status != null) query.append("status", String(args.status))
if (APIKeyHeader !== undefined) headers.set("api_key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/webhooks${query.size > 0 ? `?${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(webhookListResponse, await res.json())
};