import { Request, Response, NextFunction } from 'express';
import * as tenantsService from '../services/tenants.service.js';
import { AppError } from '../utils/errors.js';

export async function getAllTenants(req: Request, res: Response, next: NextFunction) {
  try {
    // Only admin can list all tenants
    if (req.user!.role !== 'admin') {
      throw new AppError(403, 'Solo administradores pueden ver todos los clientes');
    }

    const tenants = await tenantsService.getAllTenants();
    res.json(tenants);
  } catch (error) {
    next(error);
  }
}

export async function getTenant(req: Request, res: Response, next: NextFunction) {
  try {
    if (req.user!.role !== 'admin') {
      throw new AppError(403, 'Solo administradores pueden ver detalles de clientes');
    }

    const tenant = await tenantsService.getTenantById(String(req.params.id));
    if (!tenant) {
      throw new AppError(404, 'Cliente no encontrado');
    }

    res.json(tenant);
  } catch (error) {
    next(error);
  }
}

export async function createTenant(req: Request, res: Response, next: NextFunction) {
  try {
    if (req.user!.role !== 'admin') {
      throw new AppError(403, 'Solo administradores pueden crear clientes');
    }

    const { nombre, rfc, plan, cfdiLimit, usersLimit } = req.body;

    if (!nombre || !rfc) {
      throw new AppError(400, 'Nombre y RFC son requeridos');
    }

    const tenant = await tenantsService.createTenant({
      nombre,
      rfc,
      plan,
      cfdiLimit,
      usersLimit,
    });

    res.status(201).json(tenant);
  } catch (error) {
    next(error);
  }
}

export async function updateTenant(req: Request, res: Response, next: NextFunction) {
  try {
    if (req.user!.role !== 'admin') {
      throw new AppError(403, 'Solo administradores pueden editar clientes');
    }

    const id = String(req.params.id);
    const { nombre, rfc, plan, cfdiLimit, usersLimit, active } = req.body;

    const tenant = await tenantsService.updateTenant(id, {
      nombre,
      rfc,
      plan,
      cfdiLimit,
      usersLimit,
      active,
    });

    res.json(tenant);
  } catch (error) {
    next(error);
  }
}

export async function deleteTenant(req: Request, res: Response, next: NextFunction) {
  try {
    if (req.user!.role !== 'admin') {
      throw new AppError(403, 'Solo administradores pueden eliminar clientes');
    }

    await tenantsService.deleteTenant(String(req.params.id));
    res.status(204).send();
  } catch (error) {
    next(error);
  }
}