<?php

namespace App\Controllers;

use App\Models\ActivityLogModel;

class ActivityLog extends BaseController
{
    public function index()
    {
        if ($r = $this->requireRole('admin')) {
            return $r;
        }

        $activityModel = new ActivityLogModel();

        // Get filter parameters
        $search = $this->request->getGet('search') ?? '';
        $action = $this->request->getGet('action') ?? '';
        $userType = $this->request->getGet('user_type') ?? '';
        $dateFrom = $this->request->getGet('date_from') ?? '';
        $dateTo = $this->request->getGet('date_to') ?? '';
        $ip = $this->request->getGet('ip') ?? '';

        // Build filters array
        $filters = [];
        if (!empty($search)) $filters['search'] = $search;
        if (!empty($action)) $filters['action'] = $action;
        if (!empty($userType)) $filters['user_type'] = $userType;
        if (!empty($dateFrom)) $filters['date_from'] = $dateFrom;
        if (!empty($dateTo)) $filters['date_to'] = $dateTo;
        if (!empty($ip)) $filters['ip'] = $ip;

        // Get filtered logs
        $logs = $activityModel->getFilteredLogs($filters, 200);

        // Debug: Check database connection and count
        $db = \Config\Database::connect();
        $totalInDb = $db->table('activity_logs')->countAll();
        log_message('debug', 'Activity logs in database: ' . $totalInDb . ', retrieved: ' . count($logs));

        return view('admin/activity_log', [
            'logs' => $logs,
            'totalLogs' => count($logs),
            'totalInDb' => $totalInDb,
            'actionSummary' => $activityModel->getActionSummary(),
            'roleSummary' => $activityModel->getRoleSummary(),
            'filters' => [
                'search' => $search,
                'action' => $action,
                'user_type' => $userType,
                'date_from' => $dateFrom,
                'date_to' => $dateTo,
                'ip' => $ip,
            ],
            'availableActions' => $activityModel->getAvailableActions(),
            'actionIcons' => [
                'login' => 'box-arrow-in-right',
                'logout' => 'box-arrow-right',
                'register_patient' => 'person-plus',
                'register_doctor' => 'person-badge-plus',
                'add_doctor' => 'person-badge-plus',
                'update_doctor' => 'person-badge',
                'delete_doctor' => 'person-badge-x',
                'add_patient' => 'person-plus',
                'update_patient' => 'person',
                'delete_patient' => 'person-x',
                'book_appointment' => 'calendar-plus',
                'update_appointment' => 'calendar-check',
                'cancel_appointment' => 'calendar-x',
                'view_appointment' => 'calendar-event',
            ],
        ]);
    }

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

        if ($this->request->getMethod() === 'post') {
            $activityModel = new ActivityLogModel();
            if ($activityModel->clearAll()) {
                return redirect()->to(base_url('admin/activity-log'))->with('success', 'All activity logs have been cleared.');
            } else {
                return redirect()->to(base_url('admin/activity-log'))->with('error', 'Failed to clear activity logs.');
            }
        }

        return redirect()->to(base_url('admin/activity-log'));
    }

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

        $period = $this->request->getGet('period') ?? '7_days';
        if (! in_array($period, ['7_days', '30_days'], true)) {
            $period = '7_days';
        }

        $activityModel = new ActivityLogModel();
        $summary = $activityModel->getSummary($period);

        return view('admin/activity_analytics', [
            'period' => $period,
            'summary' => $summary,
            'actionLabels' => json_encode(array_keys($summary['by_action'])),
            'actionCounts' => json_encode(array_values($summary['by_action'])),
            'typeLabels' => json_encode(array_keys($summary['by_role'])),
            'typeCounts' => json_encode(array_values($summary['by_role'])),
            'userLabels' => json_encode(array_column($summary['most_active_users'], 'actor')),
            'userCounts' => json_encode(array_column($summary['most_active_users'], 'count')),
            'uniqueIPs' => $summary['unique_ips'],
            'criticalActions' => $activityModel->getCriticalActions(50),
        ]);
    }

}