<?php

require_once __DIR__ . '/../includes/api_bootstrap.php';
require_once __DIR__ . '/../includes/meal_helpers.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    sendJson(['success' => false, 'error' => 'Method not allowed'], 405);
}

$people = normalizePeopleList(readJsonFile('people.json'));
$actor = requireActivePerson($people);
$actorId = (string) ($actor['id'] ?? '');

$body = readJsonBody();
$meals = normalizeMealsList(readJsonFile('meals.json'));
$meals = migrateLegacyMealsList($meals);

$id = isset($body['id']) ? trim((string) $body['id']) : '';

if ($id !== '') {
    $idx = findMealIndexById($meals, $id);
    if ($idx === null) {
        sendJson(['success' => false, 'error' => 'Meal not found'], 404);
    }
    $existing = $meals[$idx];
    $isAuthor = ($existing['author_id'] ?? '') === $actorId;
    $isHoH = ($actor['role'] ?? '') === ROLE_HEAD && isHohVerified();
    if (!$isAuthor && !$isHoH) {
        sendJson(['success' => false, 'error' => 'You cannot edit this meal'], 403);
    }
    $row = $existing;
} else {
    if (($actor['role'] ?? '') !== ROLE_HEAD || !isHohVerified()) {
        sendJson(['success' => false, 'error' => 'Only a verified Head of household can create meals'], 403);
    }
    $row = [
        'id' => bin2hex(random_bytes(8)),
        'author_id' => $actorId,
    ];
    $idx = null;
}

$title = isset($body['title']) ? trim((string) $body['title']) : '';
if ($title === '') {
    sendJson(['success' => false, 'error' => 'Title is required'], 400);
}

$row['title'] = $title;
$row['image'] = isset($body['image']) ? trim((string) $body['image']) : '';
$row['description'] = isset($body['description']) ? trim((string) $body['description']) : '';
$row['directions'] = isset($body['directions']) ? trim((string) $body['directions']) : '';
$row['lists'] = normalizeChoreLists($body['lists'] ?? []);
$row['tags'] = $body['tags'] ?? [];
$row['ingredients'] = $body['ingredients'] ?? [];
$row['items'] = $body['items'] ?? [];

$row = normalizeMealRow($row);

if ($idx === null) {
    $meals[] = $row;
} else {
    $meals[$idx] = $row;
}

if (!writeJsonFile('meals.json', $meals)) {
    sendJson(['success' => false, 'error' => 'Failed to save meals'], 500);
}

sendJson(['success' => true, 'meal' => $row]);