<?php
require_once __DIR__ . '/../../connect.php';

if ($role !== 'admin' && $role !== 'super_admin') {
    http_response_code(403);
    echo json_encode(['status' => 'failure', 'message' => 'Unauthorized access. Admin role required.']);
    exit;
}

try {
    $countryCode = filterRequest('country_code');

    $countSql = "SELECT COUNT(*) FROM marketing_campaigns_log";
    $params = [];
    if ($countryCode) {
        $countSql .= " WHERE country_code = :country";
        $params[':country'] = strtoupper($countryCode);
    }
    $stmt = $con->prepare($countSql);
    foreach ($params as $key => $val) {
        $stmt->bindValue($key, $val);
    }
    $stmt->execute();
    $campaignCount = (int)$stmt->fetchColumn();

    $estTokensPerCampaign = 3250;
    $estCostPerCampaign = 0.00048;
    $totalTokens = $campaignCount * $estTokensPerCampaign;
    $estimatedCost = $campaignCount * $estCostPerCampaign;

    $anomalySql = "SELECT COUNT(*) FROM price_anomalies";
    $anomalyParams = [];
    if ($countryCode) {
        $anomalySql .= " WHERE country_code = :country2";
        $anomalyParams[':country2'] = strtoupper($countryCode);
    }
    $stmtAnomaly = $con->prepare($anomalySql);
    foreach ($anomalyParams as $key => $val) {
        $stmtAnomaly->bindValue($key, $val);
    }
    $stmtAnomaly->execute();
    $anomalyCount = (int)$stmtAnomaly->fetchColumn();

    jsonSuccess([
        'api_requests_count' => $campaignCount,
        'total_tokens_used' => $totalTokens,
        'estimated_cost_usd' => round($estimatedCost, 6),
        'campaigns_count' => $campaignCount,
        'anomalies_count' => $anomalyCount,
    ]);

} catch (Exception $e) {
    error_log("[get_telemetry.php] Error: " . $e->getMessage());
    jsonError("Failed to fetch telemetry: " . $e->getMessage());
}