<?php

require_once __DIR__ . '/../includes/api_bootstrap.php';
require_once __DIR__ . '/../includes/chore_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'] ?? '');
if ($actorId === '') {
    sendJson(['success' => false, 'error' => 'Invalid session'], 403);
}

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

$rawChores = normalizeChoresList(readJsonFile('chores.json'));
$chores = migrateAllChores($rawChores, $people);

$idx = findChoreIndexById($chores, $id);
if ($idx === null) {
    sendJson(['success' => false, 'error' => 'Chore not found'], 404);
}

$row = $chores[$idx];
if (($row['status'] ?? '') !== 'active') {
    sendJson(['success' => false, 'error' => 'This chore is not active'], 400);
}

$assignees = $row['assignee_ids'] ?? [];
if (!is_array($assignees) || !in_array($actorId, $assignees, true)) {
    sendJson(['success' => false, 'error' => 'Only assignees can mark this chore complete'], 403);
}

if (!empty($row['pending_submission']) && is_array($row['pending_submission'])) {
    sendJson(['success' => false, 'error' => 'This chore is already waiting for approval'], 400);
}

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

$row['pending_submission'] = [
    'submitted_at' => gmdate('c'),
    'submitted_by' => $actorId,
    'note' => $note,
];

$chores[$idx] = migrateLegacyChoreRow($row, $people);

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

sendJson(['success' => true]);