<?php

class ProgressLogger {
    private $totalItems;
    private $startTime;
    private $processedCount;
    private $lastOutputTime;
    private $outputInterval; // in seconds

    public function __construct($totalItems, $outputInterval = 1) {
        $this->totalItems = $totalItems;
        $this->processedCount = 0;
        $this->startTime = microtime(true);
        $this->lastOutputTime = 0;
        $this->outputInterval = $outputInterval;
    }

    public function incrementAndLog() {
        $this->processedCount++;
        $currentTime = microtime(true);

        // Only update the console if enough time has passed or it's the last item
        if (($currentTime - $this->lastOutputTime > $this->outputInterval) || ($this->processedCount === $this->totalItems)) {
            $this->logProgress();
            $this->lastOutputTime = $currentTime;
        }
    }

    private function logProgress() {
        $elapsedTime = microtime(true) - $this->startTime;
        $itemsPerSecond = ($this->processedCount > 0) ? ($this->processedCount / $elapsedTime) : 0;
        $remainingItems = $this->totalItems - $this->processedCount;
        $estimatedTimeRemaining = ($itemsPerSecond > 0) ? ($remainingItems / $itemsPerSecond) : 0;

        $hours = floor($estimatedTimeRemaining / 3600);
        $minutes = floor(($estimatedTimeRemaining % 3600) / 60);
        $seconds = floor($estimatedTimeRemaining % 60);

        printf("\rProcessing: %d/%d (%.2f%%) | Elapsed: %s | Remaining: %02d:%02d:%02d",
            $this->processedCount,
            $this->totalItems,
            ($this->processedCount / $this->totalItems) * 100,
            gmdate("H:i:s", $elapsedTime),
            $hours,
            $minutes,
            $seconds
        );

        // If all items are processed, add a newline
        if ($this->processedCount === $this->totalItems) {
            echo "\n";
        }
    }

    public function startMessage() {
        echo "Starting update for {$this->totalItems} items...\n";
    }

    public function finishMessage($type = 'items') {
        echo "Finished! Updated {$this->processedCount} $type.\n";
    }
}

?>