<?php

namespace App\Controllers;

use App\Models\UserModel;
use App\Models\PatientModel;

class Admin extends BaseController
{
    public function dashboard()
    {
        if ($r = $this->requireRole('admin')) {
            return $r;
        }
        $patientModel = new PatientModel();
        $data['totalPatients']     = $patientModel->countAll();
        return view('admin/dashboard', $data);
    }

    public function patients()
    {
        if ($r = $this->requireRole('admin')) {
            return $r;
        }

        $db = \Config\Database::connect();

        $query = $db->query("
            SELECT users.id, users.name, users.email, patients.phone
            FROM users
            JOIN patients ON patients.user_id = users.id
            WHERE users.role = 'patient'
        ");

        $data['patients'] = $query->getResult();

        return view('admin/patients', $data);
    }
    
    public function deletePatient($id)
    {
        if ($r = $this->requireRole('admin')) {
            return $r;
        }

        $id = (int) $id;
        if ($id < 1) {
            return redirect()->to(site_url('admin/patients'));
        }

        $userModel    = new UserModel();
        $patientModel = new PatientModel();
        $db           = \Config\Database::connect();

        $patient = $patientModel->where('user_id', $id)->first();
        if ($patient) {
            $db->table('appointments')->where('patient_id', $patient['id'])->delete();
            $patientModel->delete($patient['id']);
        }

        $userModel->delete($id);

        return redirect()->to(site_url('admin/patients'));
    }

}