import {z} from 'zod'

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

export const stelorderClientResult = z.object({action: z.enum(["created", "updated"]), client_id: z.number().int().nullable().optional(), payload: z.record(z.string(), z.unknown())});

export const stelorderSyncResult = z.object({hubspot_contact_id: z.string(), contact_email: z.string(), actions: z.array(z.string()).optional(), stelorder_client_id: z.number().int().nullable().optional(), stelorder_incident_id: z.number().int().nullable().optional(), stelorder_work_order_id: z.number().int().nullable().optional(), stelorder_event_id: z.number().int().nullable().optional(), google_calendar_event_id: z.string().nullable().optional()});

export const hubspotStelorderWebhookResponse = z.object({status: z.literal("ok").optional(), hubspot_contact_id: z.string().nullable().optional(), stelorder: stelorderClientResult, sync_result: stelorderSyncResult.nullable().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
};

/**
 * Sync Contact With Stelorder
 * 
 * POST /api/hubspot/stelorder-webhook
 */
export const createApiApiHubspotStelorderWebhook = async (options: CreateApiApiHubspotStelorderWebhookOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/hubspot/stelorder-webhook${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(hubspotStelorderWebhookResponse, await res.json())
};