// scenario-list.js — список сценариев, запуск, поллинг

let scenarioOpen=false, scenarioPollTimer=null;

async function toggleScenario(){
    const body=document.getElementById('scenario-body');
    scenarioOpen=!scenarioOpen;
    body.style.display=scenarioOpen?'block':'none';
    if(!scenarioOpen){ stopScenarioPoll(); return; }
    await loadScenarios();
}

async function loadScenarios(){
    const body=document.getElementById('scenario-body');
    try{
        const [sr, srHistory]=await Promise.all([
            fetch('/api/scenarios').then(r=>r.json()),
            fetch('/api/scenario/status').then(r=>r.json()),
        ]);
        let html='';
        html+=`<button class="btn btn-sm" style="font-size:11px;margin-bottom:4px;" onclick="createScenario()">+ Создать сценарий</button>`;
        if(sr.length){
            html+='<div style="display:flex;flex-direction:column;gap:4px;margin-bottom:4px;">';
            sr.forEach(s=>{
                const seed = s.is_seed;
                html+=`<div style="border:1px solid var(--brand-gray);border-radius:4px;padding:4px 6px;">`;
                html+=`<div style="display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px 0;" onclick="toggleScenarioSteps(${s.id})">`;
                html+=`<span style="font-size:13px;font-weight:600;flex:1;">${_esc(s.name)}</span>`;
                html+=`<span style="color:var(--muted);font-size:11px;min-width:50px;">${s.steps} шаг.</span>`;
                if(seed) html+=`<span style="font-size:9px;color:var(--muted);">seed</span>`;
                html+=`</div>`;
                html+=`<div id="scenario-steps-${s.id}" style="display:none;margin-top:4px;padding-left:8px;"></div>`;
                html+=`</div>`;
            });
            html+='</div>';
        }else{
            html+='<span style="color:var(--muted);font-size:11px;">Нет сценариев в БД</span>';
        }
        const curVer=window.APP&&window.APP.version||'';
        const verHistory=srHistory&&srHistory.filter(r=>r.app_version===curVer);
        if(verHistory && verHistory.length){
            const last=verHistory[0];
            const icon=last.status==='OK'?'✅':last.status==='FAIL'?'❌':last.status==='RUNNING'?'⏳':'⏱';
            const time=last.created_at?last.created_at.replace('T',' ').substring(0,19):'?';
            const runningStyle = last.status==='RUNNING' ? 'background:#fef3c7;padding:2px 4px;border-radius:3px;' : '';
            html+=`<div style="font-size:11px;margin-top:4px;color:var(--muted);${runningStyle}">Последний: ${icon} ${_esc(last.scenario_name)} — ${last.status} (шаг ${last.current_step}/${last.total_steps}) ${last.duration_sec!=null?last.duration_sec.toFixed(1)+'s':''} — ${time}</div>`;
            if(last.error_log) html+=`<div style="font-size:10px;color:var(--destructive);">${_esc(last.error_log)}</div>`;
        }
        body.innerHTML=html;
    }catch(e){body.innerHTML='<span style="color:var(--destructive);font-size:11px;">Ошибка загрузки</span>';}
}

async function toggleScenarioSteps(defId) {
    const el = document.getElementById('scenario-steps-' + defId);
    if (!el) return;
    if (el.style.display === 'block') { el.style.display = 'none'; return; }
    // Загрузить шаги
    try {
        const r = await fetch('/api/scenario/definitions/' + defId);
        const def = await r.json();
        if (def.error) return;
        const steps = def.steps || [];
        let html = '<div style="font-size:11px;padding:4px 0;">';
        steps.forEach((s, i) => {
            const svcName = s.service_id ? 'сервис ' + s.service_id : '?';
            html += `<div style="padding:2px 0;">${i+1}. <b>${_esc(s.operation)}</b> → ${svcName}`;
            if (s.output) html += ` <span style="color:var(--muted);">(${_esc(s.output)})</span>`;
            if (s.instance_ref) html += ` <span style="color:var(--muted);">→ ${_esc(s.instance_ref)}</span>`;
            if (s.instance_uid) html += ` <span style="color:var(--muted);">→ ${_esc(s.instance_uid.substring(0,8))}...</span>`;
            const params = Object.entries(s.params || {});
            if (params.length) html += ' <span style="color:var(--muted);">(' + params.map(([k,v]) => k+'='+v).join(', ') + ')</span>';
            html += '</div>';
        });
        html += `<button class="btn btn-sm" style="margin-top:4px;font-size:11px;background:var(--brand-primary);color:#fff;" onclick="event.stopPropagation();runScenario(${defId})">▶ Запустить</button>`;
        html += `<button class="btn btn-sm" style="margin-top:4px;margin-left:4px;font-size:11px;" onclick="event.stopPropagation();editScenario(${defId})">✏ Редактировать</button>`;
        html += `<button class="btn btn-sm" style="margin-top:4px;margin-left:4px;font-size:11px;" onclick="event.stopPropagation();cloneScenario(${defId},'${_esc(def.name)}')">📋 Копировать</button>`;
        if (!def.is_seed) html += `<button class="btn btn-sm" style="margin-top:4px;margin-left:4px;font-size:11px;color:var(--destructive);" onclick="event.stopPropagation();deleteScenario(${defId},'${_esc(def.name)}')">🗑 Удалить</button>`;
        html += '</div>';
        el.innerHTML = html;
        el.style.display = 'block';
        // Закрыть другие
        document.querySelectorAll('[id^="scenario-steps-"]').forEach(e => { if (e !== el) e.style.display = 'none'; });
    } catch (e) {}
}

async function runScenario(defId){
    if(busy){ return; }
    if(!confirm('Запустить сценарий?')) return;
    busy=true;
    stopScenarioPoll();
    const body=document.getElementById('scenario-body');
    body.innerHTML=`<div style="font-size:11px;">⏳ Запуск...</div>`;
    try{
        const r=await fetch('/api/scenario/run',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({definition_id:defId})});
        const d=await r.json();
        if(d.error){ body.innerHTML=`<span style="color:var(--destructive);">Ошибка: ${_esc(d.error)}</span>`; busy=false; return; }
        const runId=d.run_id;
        if(!runId){ body.innerHTML=`<span style="color:var(--destructive);">Ошибка: нет run_id в ответе</span>`; busy=false; return; }
        scenarioPollTimer=setInterval(async()=>{
            try{
                const sr=await fetch('/api/scenario/run/'+runId);
                if(!sr.ok){ return; }
                const last=await sr.json();
                if(!last||last.error) return;
                const icon=last.status==='OK'?'✅':last.status==='FAIL'?'❌':last.status==='RUNNING'?'⏳':'⏱';
                const time=last.created_at?last.created_at.replace('T',' ').substring(0,19):'?';
                const runningBg = last.status==='RUNNING' ? 'background:#fef3c7;padding:2px 4px;border-radius:3px;' : '';
                let html=`<div style="font-size:11px;${runningBg}">${icon} ${_esc(last.scenario_name)} — ${last.status} (шаг ${last.current_step}/${last.total_steps}) ${last.duration_sec!=null?last.duration_sec.toFixed(1)+'s':''} — ${time}</div>`;
                if(last.error_log) html+=`<div style="font-size:10px;color:var(--destructive);">${_esc(last.error_log)}</div>`;
                body.innerHTML=html;
                if(last.status!=='RUNNING'){
                    stopScenarioPoll();
                    busy=false;
                    await refreshInstances();
                    if(historyOpen) await loadHistory();
                }
            }catch(e){}
        },3000);
    }catch(e){
        body.innerHTML=`<span style="color:var(--destructive);">Ошибка: ${_esc(e.message)}</span>`;
        busy=false;
    }
}

function stopScenarioPoll(){
    if(scenarioPollTimer){ clearInterval(scenarioPollTimer); scenarioPollTimer=null; }
}