/**
 * Webhooks API client and React Query hooks.
 */

import { apiGet, apiPost, apiPatch, apiDelete } from '@/api/client';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';

export interface Webhook {
  id: string;
  tenant_id: string;
  url: string;
  events: string[];
  secret: string | null;
  is_active: boolean;
  retry_count: number;
  timeout_seconds: number;
  created_by: string | null;
  updated_by: string | null;
  created_at: string;
  updated_at: string;
}

export interface CreateWebhookPayload {
  url: string;
  events: string[];
  secret?: string | null;
  is_active?: boolean;
  retry_count?: number;
  timeout_seconds?: number;
}

export interface UpdateWebhookPayload {
  url?: string;
  events?: string[];
  secret?: string | null;
  is_active?: boolean;
  retry_count?: number;
  timeout_seconds?: number;
}

export interface WebhookTestResult {
  success: boolean;
  status_code: number | null;
  error: string | null;
}

// ─── API Functions ──────────────────────────────────────────────────────────

export async function fetchWebhooks(event?: string): Promise<Webhook[]> {
  const params = event ? `?event=${encodeURIComponent(event)}` : '';
  return apiGet<Webhook[]>(`/webhooks${params}`);
}

export async function fetchWebhook(id: string): Promise<Webhook> {
  return apiGet<Webhook>(`/webhooks/${id}`);
}

export async function createWebhook(data: CreateWebhookPayload): Promise<Webhook> {
  return apiPost<Webhook>('/webhooks', data);
}

export async function updateWebhook(id: string, data: UpdateWebhookPayload): Promise<Webhook> {
  return apiPatch<Webhook>(`/webhooks/${id}`, data);
}

export async function deleteWebhook(id: string): Promise<void> {
  return apiDelete<void>(`/webhooks/${id}`);
}

export async function testWebhook(id: string): Promise<WebhookTestResult> {
  return apiPost<WebhookTestResult>(`/webhooks/${id}/test`);
}

// ─── React Query Hooks ───────────────────────────────────────────────────────

export function useWebhooks(event?: string) {
  return useQuery({
    queryKey: ['webhooks', event],
    queryFn: () => fetchWebhooks(event),
  });
}

export function useWebhook(id: string) {
  return useQuery({
    queryKey: ['webhooks', id],
    queryFn: () => fetchWebhook(id),
    enabled: !!id,
  });
}

export function useCreateWebhook() {
  const queryClient = useQueryClient();
  return useMutation({
    mutationFn: (data: CreateWebhookPayload) => createWebhook(data),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['webhooks'] });
    },
  });
}

export function useUpdateWebhook() {
  const queryClient = useQueryClient();
  return useMutation({
    mutationFn: ({ id, data }: { id: string; data: UpdateWebhookPayload }) =>
      updateWebhook(id, data),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['webhooks'] });
    },
  });
}

export function useDeleteWebhook() {
  const queryClient = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => deleteWebhook(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['webhooks'] });
    },
  });
}

export function useTestWebhook() {
  return useMutation({
    mutationFn: (id: string) => testWebhook(id),
  });
}