// operations.js — запуск операций: create, modify, delete, poll, stages
let pollTimer=null;

function makeCreateDisplayName(){
    const rand = (Math.random() * 46656 | 0).toString(36).padStart(3, '0');
    return currentSvcShort ? currentSvcShort+'-'+rand : rand;
}

function findInstName(){
    const i=svcInstances.find(x=>x.instanceUid===selectedInst);
    return i?i.displayName:selectedInst;
}

function stopPoll(){
    if(pollTimer){clearInterval(pollTimer);pollTimer=null;}
}

async function startCreate(){
    if(busy) return;
    selectedInst=null; stopPoll();
    document.querySelectorAll('[data-iuid]').forEach(e=>e.classList.remove('active'));
    document.querySelectorAll('.inst-ops').forEach(e=>e.classList.remove('open'));
    try{
        const r=await fetch('/api/operations/'+currentSvcId);
        const d=await r.json();
        const createOp=d.operations.find(o=>o.operation==='create');
        const opId=createOp?createOp.svcOperationId:18;
        showParams(opId,'create');
    }catch(e){
        showParams(18,'create');
    }
}

function runOp(opName,opId){
    if(busy) return;
    stopPoll();
    showParams(opId,opName);
}

function showParams(opId,opName){
    selectedOp={opId,opName,svcId:currentSvcId};
    document.getElementById('params-area').style.display='block';
    document.querySelectorAll('.stages-box').forEach(e=>e.remove());
    document.getElementById('test-status').textContent='';

    const isCreate=opName==='create';
    const qs=isCreate?'' : `?instanceUid=${selectedInst}`;
    fetch('/api/params/'+opId+qs).then(r=>r.json()).then(async data=>{
        if(data.error){document.getElementById('params-form').innerHTML=`<span style="color:var(--destructive);">Ошибка: ${_esc(data.error)}</span>`;return;}
        const params=data.params||data;
        if(!Array.isArray(params)){document.getElementById('params-form').innerHTML=`<span style="color:var(--destructive);">Неверный формат параметров</span>`;return;}
        let allInst=[];
        const needRefs=params.some(p=>p.refSvcId);
        if(needRefs){
            try{const r=await fetch('/api/instances/list');const list=await r.json();allInst=list||[];}catch(e){}
        }
        const form=document.getElementById('params-form');
        const displayNameValue=isCreate?makeCreateDisplayName():'';
        const createHeader=isCreate?`<div style="font-weight:600;font-size:13px;margin-bottom:8px;color:var(--brand-primary);">Создание: ${_esc(currentSvcName)}</div>`:'';
        const opHeader=!isCreate?`<div style="font-weight:600;font-size:13px;margin-bottom:8px;color:var(--brand-primary);">${_esc(opName)} → ${_esc(findInstName())}</div>`:'';
        form.innerHTML=createHeader+opHeader+(opName==='create'?`<div class="param-row"><label class="req">displayName</label><span style="font-size:12px;color:var(--muted);white-space:nowrap;">${AUTOTEST_PREFIX}</span><input type="text" id="param-displayname" value="${_esc(displayNameValue)}" autocomplete="off"></div>`:'')
            + params.map(p=>renderParamRow(p,allInst)).join('');
        const btn=document.getElementById('btn-test');
        btn.style.display='inline-flex';
        btn.textContent='Запустить';
        btn.onclick=()=>{
            let bad=[];
            document.querySelectorAll('#params-form [data-type="map"]').forEach(el=>{if(!validateJson(el,true)) bad.push(el);});
            if(bad.length>0){
                document.getElementById('test-status').innerHTML=`<span class="badge">Ошибка</span> ${bad.length} полей с невалидным JSON — поправьте и нажмите Запустить снова`;
                return;
            }
            const pp=collectParams();
            executeOp(pp);
        };
    }).catch(e=>{
        document.getElementById('params-form').innerHTML=`<span style="color:var(--destructive);">Ошибка загрузки: ${_esc(e.message)}</span>`;
    });
}

function renderParamRow(p,allInst){
    const req=p.isRequired;
    const hasDfl=p.defaultValue!==null&&p.defaultValue!==undefined&&p.defaultValue!=='';
    const labelCls=req?(hasDfl?'req':'req-nodfl'):'';
    const dfl=hasDfl?p.defaultValue:(req?'':'');
    const vl=p.valueList;
    const isMap=(p.dataType||'').startsWith('map');
    let input;
    if(vl&&Array.isArray(vl)){
        input=`<select name="p_${p.svcOperationCfsParamId}" data-type="${_esc(p.dataType)}">${vl.map(v=>`<option value="${_esc(v)}" ${v==dfl?'selected':''}>${_esc(v)}</option>`).join('')}</select>`;
    }else if(p.refSvcId){
        const refInsts=allInst.filter(i=>i.serviceId===p.refSvcId&&i.explainedStatus!=='deleted');
        let opts=refInsts.map(i=>`<option value="${_esc(i.instanceUid)}" ${i.instanceUid===dfl?'selected':''}>${_esc(i.displayName)}</option>`).join('');
        if(!dfl) opts='<option value="">— выбрать —</option>'+opts;
        input=`<select name="p_${p.svcOperationCfsParamId}" data-type="ref">${opts}</select>`;
    }else if(p.dataType==='boolean'){
        input=`<select name="p_${p.svcOperationCfsParamId}" data-type="boolean"><option value="true" ${dfl==='true'||dfl===true?'selected':''}>true</option><option value="false" ${dfl==='false'||dfl===false?'selected':''}>false</option></select>`;
    }else if(p.dataDescriptor&&isMap){
        return renderMapFixedRow(p,dfl);
    }else{
        const dt=isMap?'map':'';
        input=`<input type="text" name="p_${p.svcOperationCfsParamId}" value="${_esc(dfl)}" data-type="${dt}" placeholder="${req&&!hasDfl?'обязательно':''}"${isMap?' onblur="validateJson(this)"':''}>`;
        if(isMap) input+=`<span class="json-err" style="display:none;color:var(--destructive);font-size:10px;margin-left:4px;"></span>`;
    }
    return `<div class="param-row"><label class="${labelCls}">${_esc(p.name)}</label>${input}</div>`;
}

function renderMapFixedRow(p,dfl){
    const dd=p.dataDescriptor;
    let subHtml='';
    let dflObj={};
    try{dflObj=JSON.parse(dfl||'{}');}catch(e){}
    Object.keys(dd).forEach(subKey=>{
        const sub=dd[subKey];
        const subDfl=dflObj[subKey]!==undefined?dflObj[subKey]:(sub.defaultValue||'');
        const subVl=sub.valueList;
        const subReq=sub.isRequired;
        const subNoDfl=subReq&&!subDfl&&subDfl!==0&&subDfl!==false;
        const subLblCls=subNoDfl?'req-nodfl':'';
        let si;
        if(subVl&&Array.isArray(subVl)){
            si=`<select name="p_${p.svcOperationCfsParamId}.${subKey}" data-type="mapchild">${subVl.map(v=>`<option value="${_esc(v)}" ${v==subDfl?'selected':''}>${_esc(v)}</option>`).join('')}</select>`;
        }else if(sub.dataType==='boolean'){
            si=`<select name="p_${p.svcOperationCfsParamId}.${subKey}" data-type="mapchild"><option value="true" ${subDfl==='true'||subDfl===true?'selected':''}>true</option><option value="false" ${subDfl==='false'||subDfl===false?'selected':''}>false</option></select>`;
        }else{
            si=`<input type="text" name="p_${p.svcOperationCfsParamId}.${subKey}" value="${_esc(subDfl)}" data-type="mapchild">`;
        }
        subHtml+=`<div class="param-row"><label class="${subLblCls}">${_esc(subKey)}</label>${si}</div>`;
    });
    return `<div class="param-row"><label class="${labelCls}">${_esc(p.name)}</label></div><div style="border-left:2px solid var(--brand-gray);margin-left:8px;padding:0 0 4px 8px;">${subHtml}</div>`;
}

function collectParams(){
    const pp={};
    const nested={};
    document.querySelectorAll('#params-form [name^="p_"]').forEach(el=>{
        let v=el.value;
        const dt=el.dataset.type||'';
        if(dt==='mapchild'){
            const name=el.name.replace('p_','');
            const dot=name.indexOf('.');
            const parentKey=name.substring(0,dot);
            const subKey=name.substring(dot+1);
            if(!nested[parentKey]) nested[parentKey]={};
            nested[parentKey][subKey]=v;
            return;
        }
        if(dt==='array'||dt.startsWith('array')) v=JSON.stringify([v]);
        if(dt==='map'||dt==='map-fixed') v=v||'{}';
        pp[el.name.replace('p_','')]=v;
    });
    for(const pk in nested) pp[pk]=JSON.stringify(nested[pk]);
    return pp;
}

function setFinishedState(statusText, statusClass, statusError, statusDuration, instanceName){
    busy=false;
    document.querySelectorAll('.inst-ops.open').forEach(e=>e.classList.remove('open'));
    const btn=document.getElementById('btn-test');
    btn.disabled=false;
    btn.textContent='Готово';
    btn.onclick=null;
    const opName=selectedOp?.opName||'операция';
    const durationText=statusDuration!==undefined&&statusDuration!==null?`${statusDuration}s`:'0s';
    const extra=_esc(statusError||'');
    const instName=_esc(instanceName||findInstName()||selectedInst||'');
    document.getElementById('test-status').innerHTML=` <span class="badge ${statusClass}">${statusText}</span> <span style="color:var(--muted);">${opName}</span> <span style="color:var(--muted);">${durationText}</span> <span style="color:var(--muted);">${instName}</span> ${extra}`;
}

function setRunningState(opName, displayName){
    const btn=document.getElementById('btn-test');
    btn.textContent=opName+'...';
    document.getElementById('test-status').textContent=' ⏳ '+ (displayName||opName) +' выполняется...';
}

async function executeOp(params){
    busy=true;
    stopPoll();
    const isCreate=selectedOp?.opName==='create';
    const displayNameInput=document.getElementById('param-displayname');
    const displayNameSuffix=(displayNameInput?.value||'').trim();
    const displayName=isCreate ? `${AUTOTEST_PREFIX}${displayNameSuffix || makeCreateDisplayName()}` : findInstName();
    document.getElementById('params-area').style.display='block';
    document.getElementById('params-form').innerHTML='';
    const btn=document.getElementById('btn-test');
    btn.style.display='inline-flex';
    btn.textContent=selectedOp.opName+'...';
    btn.disabled=true;
    setRunningState(selectedOp.opName, displayName);
    const instId=selectedInst||'';
    const afterEl=instId?document.getElementById('ops-'+instId):null;
    document.querySelectorAll('.stages-box').forEach(e=>e.remove());
    const stagesBox=document.createElement('div');
    stagesBox.className='stages-box';
    stagesBox.style.cssText='max-height:200px;overflow-y:auto;padding:4px 8px;margin-left:16px;background:var(--brand-grey-light);border-radius:4px;';
    if(afterEl){afterEl.after(stagesBox);}
    else{document.getElementById('create-btn-area').after(stagesBox);}
    try{
        const r=await fetch('/api/test',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({
            serviceId:currentSvcId, operation:selectedOp.opName, svcOperationId:selectedOp.opId,
            params, instanceUid:selectedInst||'', displayName:isCreate?displayName:''
        })});
        const d=await r.json();
        if(d.status==='FAIL'){busy=false;document.getElementById('test-status').innerHTML=` <span class="badge">FAIL</span> ${_esc(d.error||'')}`;btn.disabled=false;return;}
        if(d.status==='OK'&&(d.opUid||'').startsWith('cmdb-')){
            busy=false;
            setFinishedState('OK','badge-success','',0,d.displayName);
            try{await refreshInstances();}catch(e){}
            if(historyOpen) try{await loadHistory();}catch(e){}
            return;
        }
        const opUid=d.opUid;
        const instanceName=d.displayName||displayName;
        let _pollErrors=0;
        pollTimer=setInterval(async()=>{
            try{
                const sr=await fetch('/api/test/status/'+opUid);
                const sd=await sr.json();
                _pollErrors=0;
                showStages(sd.stages||[]);
                if(sd.status!=='RUNNING'){
                    stopPoll();
                    setFinishedState(sd.status, sd.status==='OK'?'badge-success':'badge', sd.error||sd.errorLog, sd.duration, sd.displayName||instanceName);
                    await refreshInstances();
                    if(historyOpen) await loadHistory();
                }
            }catch(e){
                _pollErrors++;
                if(_pollErrors>=5){stopPoll();setFinishedState('TIMEOUT','','Связь потеряна',0,instanceName);}
            }
        },2000);
    }catch(e){
        busy=false;
        document.getElementById('test-status').textContent=' Ошибка: '+e.message;
        btn.disabled=false;
    }
}

function showStages(stages){
    if(!stages||!stages.length) return;
    let html='<div style="font-size:11px;font-weight:600;color:var(--muted);margin-top:4px;">Этапы</div>';
    stages.forEach(s=>{
        const done=!!s.dtFinish;
        const icon=done?(s.isSuccessful?'✅':'❌'):'⏳';
        html+=`<div style="font-size:11px;padding:2px 0;">${icon} ${_esc(s.stage)} — ${(s.duration||0).toFixed(1)}s</div>`;
    });
    const boxes=document.querySelectorAll('.stages-box');
    if(boxes.length) boxes[boxes.length-1].innerHTML=html;
}