wevads-platform/scripts/api_auto-scheduler.php

<?php
/**
 * AUTO-SCHEDULER API
 * Timezone-based automatic campaign scheduling
 */
header('Content-Type: application/json');
$pdo = new PDO("pgsql:host=localhost;dbname=adx_system", "admin", "admin123", [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);

$action = $_GET['action'] ?? $_POST['action'] ?? '';

class AutoScheduler {
    private $pdo;
    
    public function __construct($pdo) {
        $this->pdo = $pdo;
    }
    
    // Get optimal send time for country
    public function getOptimalTime($countryCode) {
        $profile = $this->pdo->query("SELECT * FROM admin.country_profiles WHERE country_code = '$countryCode'")->fetch(PDO::FETCH_ASSOC);
        if (!$profile) return null;
        
        $tz = new DateTimeZone($profile['timezone']);
        $now = new DateTime('now', $tz);
        $currentHour = (int)$now->format('H');
        
        $bestHours = explode(',', trim($profile['best_send_hours'], '{}'));
        $nextOptimal = null;
        
        foreach ($bestHours as $hour) {
            if ((int)$hour > $currentHour) {
                $nextOptimal = (int)$hour;
                break;
            }
        }
        
        // If no optimal time today, use first tomorrow
        if (!$nextOptimal && !empty($bestHours)) {
            $nextOptimal = (int)$bestHours[0];
            $now->modify('+1 day');
        }
        
        if ($nextOptimal) {
            $now->setTime($nextOptimal, 0);
        }
        
        return [
            'country' => $profile['country_name'],
            'timezone' => $profile['timezone'],
            'current_local_time' => (new DateTime('now', $tz))->format('H:i'),
            'next_optimal_time' => $now->format('Y-m-d H:i'),
            'best_hours' => $bestHours,
            'best_isps' => explode(',', trim($profile['best_isps'] ?? '', '{}')),
            'avg_open_rate' => $profile['avg_open_rate']
        ];
    }
    
    // Get all countries ready to send now
    public function getReadyToSend() {
        $countries = $this->pdo->query("SELECT * FROM admin.country_profiles")->fetchAll(PDO::FETCH_ASSOC);
        $ready = [];
        
        foreach ($countries as $c) {
            try {
                $tz = new DateTimeZone($c['timezone']);
                $now = new DateTime('now', $tz);
                $currentHour = (int)$now->format('H');
                
                $bestHours = explode(',', trim($c['best_send_hours'], '{}'));
                if (in_array($currentHour, array_map('intval', $bestHours))) {
                    $ready[] = [
                        'country_code' => $c['country_code'],
                        'country_name' => $c['country_name'],
                        'local_time' => $now->format('H:i'),
                        'status' => 'OPTIMAL',
                        'best_isps' => $c['best_isps'],
                        'avg_open_rate' => $c['avg_open_rate']
                    ];
                }
            } catch (Exception $e) {
                continue;
            }
        }
        
        return $ready;
    }
    
    // Schedule campaign based on targeting rules
    public function scheduleByRule($ruleId) {
        $rule = $this->pdo->query("SELECT * FROM admin.targeting_rules WHERE id = $ruleId")->fetch(PDO::FETCH_ASSOC);
        if (!$rule) return ['error' => 'Rule not found'];
        
        $countries = explode(',', trim($rule['country_codes'], '{}'));
        $schedule = [];
        
        foreach ($countries as $code) {
            $code = trim($code, '"');
            $optimal = $this->getOptimalTime($code);
            if ($optimal) {
                $schedule[] = [
                    'country' => $code,
                    'send_at' => $optimal['next_optimal_time'],
                    'local_time' => $optimal['current_local_time']
                ];
            }
        }
        
        return [
            'rule' => $rule['name'],
            'schedule' => $schedule,
            'max_volume' => $rule['max_daily_volume']
        ];
    }
    
    // Get global overview
    public function getGlobalOverview() {
        $countries = $this->pdo->query("SELECT * FROM admin.country_profiles ORDER BY avg_open_rate DESC")->fetchAll(PDO::FETCH_ASSOC);
        $overview = [];
        
        foreach ($countries as $c) {
            try {
                $tz = new DateTimeZone($c['timezone']);
                $now = new DateTime('now', $tz);
                $currentHour = (int)$now->format('H');
                
                $bestHours = explode(',', trim($c['best_send_hours'], '{}'));
                $isOptimal = in_array($currentHour, array_map('intval', $bestHours));
                $isSleeping = $currentHour < 7 || $currentHour > 21;
                
                $status = 'waiting';
                if ($isOptimal) $status = 'optimal';
                if ($isSleeping) $status = 'sleeping';
                
                $overview[] = [
                    'country_code' => $c['country_code'],
                    'country_name' => $c['country_name'],
                    'local_time' => $now->format('H:i'),
                    'status' => $status,
                    'avg_open_rate' => $c['avg_open_rate'],
                    'gdpr' => $c['gdpr_compliant']
                ];
            } catch (Exception $e) {
                continue;
            }
        }
        
        return $overview;
    }
}

$scheduler = new AutoScheduler($pdo);

switch ($action) {
    case 'optimal':
        $country = $_GET['country'] ?? 'DE';
        echo json_encode($scheduler->getOptimalTime($country));
        break;
    case 'ready':
        echo json_encode(['ready_countries' => $scheduler->getReadyToSend()]);
        break;
    case 'schedule':
        $ruleId = $_GET['rule_id'] ?? 1;
        echo json_encode($scheduler->scheduleByRule($ruleId));
        break;
    case 'overview':
        echo json_encode(['countries' => $scheduler->getGlobalOverview()]);
        break;
    case 'rules':
        $rules = $pdo->query("SELECT * FROM admin.targeting_rules WHERE is_active = true")->fetchAll(PDO::FETCH_ASSOC);
        echo json_encode(['rules' => $rules]);
        break;
    case 'countries':
        $countries = $pdo->query("SELECT * FROM admin.country_profiles ORDER BY avg_open_rate DESC")->fetchAll(PDO::FETCH_ASSOC);
        echo json_encode(['countries' => $countries]);
        break;
    case 'stats':
        $stats = $pdo->query("SELECT * FROM admin.country_daily_stats WHERE date >= CURRENT_DATE - 7 ORDER BY date DESC, opens DESC")->fetchAll(PDO::FETCH_ASSOC);
        echo json_encode(['stats' => $stats]);
        break;
    default:
        echo json_encode([
            'name' => 'Auto-Scheduler API',
            'actions' => ['optimal', 'ready', 'schedule', 'overview', 'rules', 'countries', 'stats'],
            'description' => 'Timezone-based automatic campaign scheduling'
        ]);
}