import { initContract } from '@ts-rest/core';
import { z } from 'zod';
import {
  sendWhatsappBodySchema,
  whatsappPairSchema,
  whatsappMessageSchema,
  incomingWhatsappSchema,
  deliveryStatusWebhookSchema,
} from '../schemas/shopkeeper-whatsapp.schemas';
import {
  errorResponseSchema,
  successResponseSchema,
  paginationQuerySchema,
  paginationResponseSchema,
} from '../schemas/common.schemas';

const c = initContract();

export const shopkeeperWhatsappContract = c.router({
  pairWhatsapp: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/pair',
    body: whatsappPairSchema,
    responses: {
      200: z.object({ paired: z.boolean(), message: z.string().optional() }),
      400: errorResponseSchema,
      401: errorResponseSchema,
    },
    summary: 'Link owner WhatsApp number',
  },
  unpairWhatsapp: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/unpair',
    body: z.object({}),
    responses: { 200: successResponseSchema, 401: errorResponseSchema },
    summary: 'Unlink WhatsApp',
  },
  sendMessage: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/send',
    body: sendWhatsappBodySchema,
    responses: { 200: successResponseSchema, 400: errorResponseSchema, 401: errorResponseSchema },
    summary: 'Queue outbound message',
  },
  listMessages: {
    method: 'GET',
    path: '/shopkeeper/whatsapp/messages',
    query: z
      .object({ messageType: z.string().optional(), direction: z.string().optional() })
      .merge(paginationQuerySchema),
    responses: {
      200: z.object({
        messages: z.array(whatsappMessageSchema),
        pagination: paginationResponseSchema,
      }),
      401: errorResponseSchema,
    },
    summary: 'Get message history',
  },
  incomingWebhook: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/webhook',
    body: incomingWhatsappSchema,
    responses: { 200: z.object({ received: z.boolean() }), 400: errorResponseSchema },
    summary: 'WAPI.js incoming webhook',
  },
  deliveryStatusWebhook: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/webhook/status',
    body: deliveryStatusWebhookSchema,
    responses: { 200: z.object({ updated: z.boolean() }), 400: errorResponseSchema },
    summary: 'Provider delivery status callback',
  },
  updateAutoReply: {
    method: 'PATCH',
    path: '/shopkeeper/whatsapp/auto-reply',
    body: z.object({
      enabled: z.boolean().optional(),
      afterHoursMessage: z.string().optional(),
    }),
    responses: { 200: successResponseSchema, 401: errorResponseSchema },
    summary: 'Configure auto-reply settings',
  },
  updateAutoReplyPost: {
    method: 'POST',
    path: '/shopkeeper/whatsapp/auto-reply',
    body: z.object({
      enabled: z.boolean().optional(),
      afterHoursMessage: z.string().optional(),
    }),
    responses: { 200: successResponseSchema, 401: errorResponseSchema },
    summary: 'Configure auto-reply settings (POST for mobile compatibility)',
  },
});