import { Body, Controller, Get, Param, Post } from '@nestjs/common';
import { z } from 'zod';
import { CurrentUser, type AuthPrincipal } from '../../common/auth';
import { AppError } from '../../common/errors';
import { OrdersService } from './orders.service';

const createSchema = z.object({
  courseCode: z.string().min(1),
  quantity: z.coerce.number().int().min(1).max(10).optional(),
  /** 下单设备，小程序上报；缺省不影响下单，只是后台看不到渠道 */
  terminal: z.string().max(16).optional(),
});

@Controller('v1/orders')
export class OrdersController {
  constructor(private readonly orders: OrdersService) {}

  @Post()
  create(@CurrentUser() user: AuthPrincipal, @Body() body: unknown) {
    const parsed = createSchema.safeParse(body);
    if (!parsed.success) throw AppError.badRequest('参数错误：缺少 courseCode');
    return this.orders.create(
      user.id,
      parsed.data.courseCode,
      parsed.data.quantity ?? 1,
      parsed.data.terminal ?? null,
    );
  }

  @Get()
  list(@CurrentUser() user: AuthPrincipal) {
    return this.orders.list(user.id);
  }

  @Get(':outTradeNo')
  status(@CurrentUser() user: AuthPrincipal, @Param('outTradeNo') outTradeNo: string) {
    return this.orders.status(user.id, outTradeNo);
  }
}