import { ForbiddenException, Injectable } from '@nestjs/common';
import type { Actor } from '../common/record-scope';
import { BillingService } from '../billing/billing.service';
import { PrismaService } from '../prisma/prisma.service';

@Injectable()
export class BehaviorAccessService {
  constructor(
    private readonly prisma: PrismaService,
    private readonly billing: BillingService,
  ) {}

  async canView(actor: Actor): Promise<boolean> {
    const org = await this.prisma.organization.findUnique({
      where: { id: actor.organizationId },
      select: { enabledModules: true },
    });
    if (!this.billing.normalizeModules(org?.enabledModules).includes('behavior')) {
      return false;
    }
    if (actor.role === 'owner' || actor.role === 'admin') return true;
    const membership = await this.prisma.membership.findFirst({
      where: {
        userId: actor.userId,
        organizationId: actor.organizationId,
        isActive: true,
      },
      select: { orgRole: { select: { permissions: true } } },
    });
    const permissions = membership?.orgRole?.permissions ?? [];
    return permissions.includes('behavior') || permissions.includes('sales');
  }

  async assert(actor: Actor): Promise<void> {
    if (!(await this.canView(actor))) {
      throw new ForbiddenException('دسترسی به تحلیل رفتاری و دستیار فروش ندارید');
    }
  }
}