import { Controller, ForbiddenException, Get, UseGuards } from '@nestjs/common';
import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
import { DriverCreditService, CREDIT_FLOOR } from './driver-credit.service';
import { DriversService } from '../drivers/drivers.service';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { CurrentUser, AuthUser } from '../auth/decorators/current-user.decorator';

@ApiTags('credit')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard)
@Controller('credit')
export class CreditController {
  constructor(
    private readonly credit: DriverCreditService,
    private readonly drivers: DriversService,
  ) {}

  /** رصيدي التشغيلي — يعرضه تطبيق السائق (docs/18 — J8). */
  @Get()
  async mine(@CurrentUser() user: AuthUser) {
    const driver = await this.drivers.findByUser(user.tenantId, user.userId);
    if (!driver) throw new ForbiddenException('Not a driver');

    const c = await this.credit.get(user.tenantId, driver.id);
    const floor = CREDIT_FLOOR[c.currency] ?? 0;
    const balance = Number(c.balance);
    return {
      balance,
      currency: c.currency,
      floor,
      inDebt: balance < 0,
      blocked: balance < floor,
    };
  }

  @Get('transactions')
  async history(@CurrentUser() user: AuthUser) {
    const driver = await this.drivers.findByUser(user.tenantId, user.userId);
    if (!driver) throw new ForbiddenException('Not a driver');
    return this.credit.history(user.tenantId, driver.id);
  }
}