log.php

<?php
/**
 * log.php
 * GET  → returns all log entries as JSON
 * POST → appends a new entry {task, session, time}
 */

header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type');
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') { http_response_code(200); exit; }

define('LOG_FILE', __DIR__ . '/focus-sessions/task-log.json');

function loadLog() {
    if (!file_exists(LOG_FILE)) return [];
    $data = json_decode(file_get_contents(LOG_FILE), true);
    return is_array($data) ? $data : [];
}

function saveLog($entries) {
    $dir = dirname(LOG_FILE);
    if (!is_dir($dir)) mkdir($dir, 0755, true);
    file_put_contents(LOG_FILE, json_encode($entries, JSON_PRETTY_PRINT));
}

if ($_SERVER['REQUEST_METHOD'] === 'GET') {
    echo json_encode(['entries' => loadLog()]);
    exit;
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $body = json_decode(file_get_contents('php://input'), true);
    $task    = trim($body['task'] ?? '');
    $session = trim($body['session'] ?? '');
    $time    = trim($body['time'] ?? date('c'));

    if (!$task) { http_response_code(400); echo json_encode(['error' => 'No task provided']); exit; }

    $entries = loadLog();
    $entries[] = [
        'task'    => $task,
        'session' => $session,
        'time'    => $time,
    ];
    saveLog($entries);
    echo json_encode(['ok' => true, 'count' => count($entries)]);
    exit;
}

http_response_code(405);
echo json_encode(['error' => 'Method not allowed']);