import { initContract } from '@ts-rest/core';
import { z } from 'zod';
import {
  subscriptionSchema,
  createSubscriptionSchema,
  paymentSchema,
  verifyPaymentSchema,
} from '../schemas/shopkeeper-billing.schemas';
import { errorResponseSchema } from '../schemas/common.schemas';

const c = initContract();

export const shopkeeperBillingContract = c.router({
  getSubscription: {
    method: 'GET',
    path: '/shopkeeper/subscription',
    responses: {
      200: subscriptionSchema.nullable(),
      401: errorResponseSchema,
    },
    summary: 'Get current subscription',
  },
  createSubscription: {
    method: 'POST',
    path: '/shopkeeper/subscription',
    body: createSubscriptionSchema,
    responses: {
      201: z.object({ subscription: subscriptionSchema, paymentUrl: z.string().optional() }),
      400: errorResponseSchema,
      401: errorResponseSchema,
    },
    summary: 'Subscribe to a plan',
  },
  cancelSubscription: {
    method: 'POST',
    path: '/shopkeeper/subscription/cancel',
    body: z.object({}),
    responses: {
      200: subscriptionSchema,
      401: errorResponseSchema,
    },
    summary: 'Cancel subscription',
  },
  verifyPayment: {
    method: 'POST',
    path: '/shopkeeper/subscription/verify-payment',
    body: verifyPaymentSchema,
    responses: {
      200: z.object({ verified: z.boolean(), subscription: subscriptionSchema.optional() }),
      400: errorResponseSchema,
      401: errorResponseSchema,
    },
    summary: 'Verify mobile money payment',
  },
  listPayments: {
    method: 'GET',
    path: '/shopkeeper/subscription/payments',
    query: z.object({ limit: z.coerce.number().int().min(1).max(100).optional() }),
    responses: {
      200: z.object({ payments: z.array(paymentSchema) }),
      401: errorResponseSchema,
    },
    summary: 'Payment history',
  },
  paystackWebhook: {
    method: 'POST',
    path: '/shopkeeper/billing/webhook/paystack',
    body: z.record(z.unknown()),
    responses: { 200: z.object({ received: z.boolean() }) },
    summary: 'Paystack payment webhook',
  },
});