import { Injectable } from '@nestjs/common';
import { PrismaService } from '../../database/prisma.service';

@Injectable()
export class TenantService {
  constructor(private prisma: PrismaService) {}

  async createTenant(name: string, domain: string, adminEmail: string) {
    return this.prisma.$transaction(async (tx) => {
      const tenant = await tx.tenant.create({
        data: {
          name,
          domain,
          plan: 'FREE',
        },
      });

      const role = await tx.role.create({
        data: {
          name: 'ADMIN',
          description: 'Tenant Administrator',
          tenantId: tenant.id,
          isSystem: false,
        },
      });

      await tx.user.create({
        data: {
          email: adminEmail,
          password: 'temporary-password',
          firstName: 'Admin',
          lastName: 'User',
          tenantId: tenant.id,
          roleId: role.id,
          type: 'ADMIN',
        },
      });

      return tenant;
    });
  }

  async purchaseModule(tenantId: string, moduleKey: string) {
    return this.prisma.purchasedModule.create({
      data: {
        tenantId,
        moduleKey,
        isActive: true,
      },
    });
  }

  async getSeoSettings(tenantId: string) {
    return this.prisma.tenant.findUnique({
      where: { id: tenantId },
      select: {
        googleVerificationCode: true,
        bingVerificationCode: true,
        yandexVerificationCode: true,
        metaExtra: true,
      },
    });
  }

  async updateSeoSettings(tenantId: string, data: any) {
    return this.prisma.tenant.update({
      where: { id: tenantId },
      data,
    });
  }
}