<?php
declare(strict_types=1);
require_once __DIR__.'/tklm_v9.php';
require_once __DIR__.'/polana_v15_menu.php';
if(is_file(__DIR__.'/polana_v14_names.php'))require_once __DIR__.'/polana_v14_names.php';
function p15_active_menu_ids():array {
    // Exactly one valid, current, latest published card per type; never process historical duplicates.
    $out=[];$today=date('Y-m-d');
    foreach(['food','soft','wine'] as $type){
        $r=p15_active_menu($type);
        if(!$r || ($r['valid_from'] && $r['valid_from']>$today) || ($r['valid_to'] && $r['valid_to']<$today))continue;
        $out[(int)$r['id']]=['id'=>(int)$r['id'],'menu_type'=>$type,'name'=>(string)$r['name'],'status'=>(string)$r['status']];
    }
    return $out;
}
function p15_fields_rows(int $menuId):array {
    $cat=db()->prepare('SELECT * FROM menu_categories WHERE menu_id=? AND active=1 ORDER BY sort_order,id');
    $cat->execute([$menuId]);$rows=[];
    foreach($cat->fetchAll(PDO::FETCH_ASSOC) as $c){
        $rows[]=['table'=>'menu_categories','id'=>(int)$c['id'],'field'=>'name','row'=>$c];
        $items=db()->prepare('SELECT * FROM menu_items WHERE category_id=? AND active=1 AND available=1 ORDER BY sort_order,id');
        $items->execute([$c['id']]);
        foreach($items->fetchAll(PDO::FETCH_ASSOC) as $i){
            foreach(['name','description','allergens'] as $field){
                if(trim((string)($i[$field]??''))!=='')$rows[]=['table'=>'menu_items','id'=>(int)$i['id'],'field'=>$field,'row'=>$i];
            }
        }
    }
    return $rows;
}
function p15_scan_menu(int $menuId,array $langs,bool $force=false):array {
    if(!array_key_exists($menuId,p15_active_menu_ids()))throw new RuntimeException('Tylko aktualne opublikowane karty');
    v9_init();$created=0;$missing=0;$skipped=0;
    $langs=array_values(array_intersect(['en','de','es'],$langs));
    if(!$langs)throw new RuntimeException('Zaznacz język');
    $old=db()->prepare('SELECT source_hash,status FROM tklm_v9_jobs WHERE entity=? AND entity_id=? AND field=? AND lang=?');
    $reset=db()->prepare("UPDATE tklm_v9_jobs SET status='pending',attempts=0,translated_text=NULL,last_error=NULL WHERE entity=? AND entity_id=? AND field=? AND lang=?");
    foreach(p15_fields_rows($menuId) as $row){
        $source=trim((string)($row['row'][$row['field']]??''));
        if($source==='')continue;
        foreach($langs as $lang){
            $localized=trim((string)($row['row'][$row['field'].'_'.$lang]??''));
            $old->execute([$row['table'],$row['id'],$row['field'],$lang]);
            $job=$old->fetch(PDO::FETCH_ASSOC);
            $changed=$job&&$job['source_hash']!==hash('sha256',$source);
            if($localized==='')$missing++;
            // Don't replace approved human edits unless the operator explicitly requests retranslation.
            if(!$force && !$changed && $localized!==''){$skipped++;continue;}
            if(!$force && !$changed && $job && in_array($job['status'],['pending','review'],true)){$skipped++;continue;}
            v9_enqueue($row['table'],$row['id'],$row['field'],$lang,$source);
            if($force){$reset->execute([$row['table'],$row['id'],$row['field'],$lang]);}
            $created++;
        }
    }
    return compact('created','missing','skipped');
}
function p15_menu_queue_stats(int $menuId):array {
    $q=db()->prepare("SELECT j.status,COUNT(*) n FROM tklm_v9_jobs j
       LEFT JOIN menu_categories c ON j.entity='menu_categories' AND c.id=j.entity_id
       LEFT JOIN menu_items i ON j.entity='menu_items' AND i.id=j.entity_id
       WHERE ((j.entity='menu_categories' AND c.menu_id=? AND c.active=1) OR (j.entity='menu_items' AND i.category_id IN (SELECT id FROM menu_categories WHERE menu_id=? AND active=1) AND i.active=1 AND i.available=1))
       GROUP BY j.status");
    $q->execute([$menuId,$menuId]);$stats=['pending'=>0,'review'=>0,'approved'=>0,'failed'=>0];
    foreach($q->fetchAll(PDO::FETCH_ASSOC) as $r)$stats[$r['status']]=(int)$r['n'];
    $q=db()->prepare("SELECT COUNT(*) FROM tklm_v9_jobs j
       LEFT JOIN menu_categories c ON j.entity='menu_categories' AND c.id=j.entity_id
       LEFT JOIN menu_items i ON j.entity='menu_items' AND i.id=j.entity_id
       WHERE ((j.entity='menu_categories' AND c.menu_id=? AND c.active=1) OR (j.entity='menu_items' AND i.category_id IN (SELECT id FROM menu_categories WHERE menu_id=? AND active=1) AND i.active=1 AND i.available=1))
       AND j.status='pending' AND j.attempts>=5");
    $q->execute([$menuId,$menuId]);$stats['failed']=(int)$q->fetchColumn();
    $stats['eligible']=max(0,$stats['pending']-$stats['failed']);
    $stats['fields']=[];
    foreach(['en','de','es'] as $lang){
        $all=0;$missing=0;foreach(p15_fields_rows($menuId) as $row){
            $all++;if(trim((string)($row['row'][$row['field'].'_'.$lang]??''))==='')$missing++;
        }
        $stats['fields'][$lang]=['total'=>$all,'missing'=>$missing];
    }
    return $stats;
}
function p15_process_menu_one(int $menuId):array {
    if(!array_key_exists($menuId,p15_active_menu_ids()))throw new RuntimeException('Karta nie jest aktywna');
    v9_init();$db=db();
    if((int)$db->query("SELECT GET_LOCK('polana_v9_browser_batch',0)")->fetchColumn()!==1)return ['busy'=>true];
    try{
        $q=$db->prepare("SELECT j.* FROM tklm_v9_jobs j
         LEFT JOIN menu_categories c ON j.entity='menu_categories' AND c.id=j.entity_id
         LEFT JOIN menu_items i ON j.entity='menu_items' AND i.id=j.entity_id
         WHERE ((j.entity='menu_categories' AND c.menu_id=? AND c.active=1) OR (j.entity='menu_items' AND i.category_id IN (SELECT id FROM menu_categories WHERE menu_id=? AND active=1) AND i.active=1 AND i.available=1))
         AND j.status='pending' AND j.attempts<5 ORDER BY j.updated_at,j.id LIMIT 1");
        $q->execute([$menuId,$menuId]);$job=$q->fetch(PDO::FETCH_ASSOC);
        if(!$job)return ['busy'=>false,'empty'=>true];
        $table=$job['entity'];$field=$job['field'];$lang=$job['lang'];
        $allowed=['menu_items'=>['name','description','allergens'],'menu_categories'=>['name']];
        if(!isset($allowed[$table])||!in_array($field,$allowed[$table],true)||!in_array($lang,['en','de','es'],true))throw new RuntimeException('Błędne zadanie');
        $check=$db->prepare("SELECT `$field` FROM `$table` WHERE id=?");$check->execute([$job['entity_id']]);$source=$check->fetchColumn();
        if(!is_string($source)||hash('sha256',trim($source))!==$job['source_hash']){
            $db->prepare("UPDATE tklm_v9_jobs SET status='skipped',last_error='Oryginał zmienił się' WHERE id=?")->execute([$job['id']]);
            return ['busy'=>false,'skipped'=>true];
        }
        try {
            $key=v9_resolve_translate_key();$api=new TklmTranslateClient($key);
            $result=function_exists('p14_translate')?p14_translate($api,$source,$lang):trim((string)($api->translate($source,'pl',$lang)['translatedText']??''));
            if($result==='')throw new RuntimeException('Puste tłumaczenie');
            $save=$db->prepare("UPDATE tklm_v9_jobs SET status='review',translated_text=?,last_error=NULL WHERE id=? AND status='pending' AND source_hash=?");
            $save->execute([$result,$job['id'],$job['source_hash']]);
            return ['busy'=>false,'translated'=>true,'language'=>$lang];
        }catch(Throwable $e){
            error_log('Polana V15 menu translate: '.$e->getMessage());
            $save=$db->prepare("UPDATE tklm_v9_jobs SET attempts=attempts+1,last_error=? WHERE id=?");
            $save->execute([substr($e->getMessage(),0,500),$job['id']]);
            return [
                'busy'=>false,
                'error'=>'Nie udało się przetłumaczyć zadania',
                'job_id'=>(int)$job['id'],
                'lang'=>$lang,
                'kind'=>preg_match('/(?:HTTP\s+(?:401|403|429|5\d\d)|Polaczenie Translate|timed out|Could not resolve|SSL|connection|nie znaleziono klucza|cURL)/iu',$e->getMessage())?'api':'content',
                'detail'=>mb_substr(preg_replace('/(?:[a-f0-9]{48})/i','[ukryty klucz]',$e->getMessage()),0,250,'UTF-8')
            ];
        }
    }finally{$db->query("SELECT RELEASE_LOCK('polana_v9_browser_batch')");}
}