<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<title>炼钢下一炉自动生成</title>

<style>
*{box-sizing:border-box}
body{
    font-family:Microsoft YaHei, Arial;
    background:#f2f2f2;
    margin:0;
    padding:10px;
}
.wrap{
    max-width:1100px;
    margin:auto;
    background:#fff;
    padding:16px;
    border-radius:8px;
}
h2{text-align:center;font-size:20px;margin:10px 0 20px;}
h3{margin-top:20px;font-size:16px;}
textarea{
    width:100%;
    font-size:15px;
    line-height:1.7;
    padding:10px;
    border-radius:6px;
    border:1px solid #ccc;
    resize:vertical;
}
input{
    font-size:16px;
    padding:6px;
    width:100px;
}
.btns{
    display:flex;
    gap:12px;
    margin-top:20px;
    flex-wrap:wrap;
}
button{
    flex:1;
    padding:16px 0;
    font-size:17px;
    border:none;
    border-radius:8px;
    background:#1677ff;
    color:#fff;
    cursor:pointer;
}
.small-btn{
    margin-top:8px;
    padding:8px 0;
    font-size:14px;
    background:#ff4d4f;
}
@media (max-width:600px){
    h2{font-size:18px}
    textarea{font-size:14px}
    button{font-size:18px}
}
</style>
</head>

<body>
<div class="wrap">
<h2>炼钢工作群工艺记录 · 下一炉生成器</h2>

<h3>① 炼钢工作群工艺记录表</h3>
<textarea id="record" rows="18"></textarea>

<h3>② 钢包周转计划表</h3>
<textarea id="ladle" rows="7"></textarea>

<button class="small-btn" onclick="clearLadle()">一键清除钢包号 / 包龄 / 要求钢量</button>

<h3>③ 下一炉出钢时间增加（分钟）</h3>
<input id="addMinute" type="number" value="40"> 分钟

<div class="btns">
    <button onclick="nextHeat()">一键生成下一炉</button>
    <button onclick="copyText()">一键复制</button>
</div>
</div>

<script>
let ladles=[];

function parseLadles(){
    ladles=[];
    document.getElementById("ladle").value.split(/\n/).forEach(l=>{
        l=l.replace(/＃/g,"#").replace(/吨/g,"t").trim();
        let m=l.match(/(\d+)#.*?包龄(\d+).*?(\d+)\s*t/i);
        if(m){
            ladles.push({
                no:m[1],
                age:Number(m[2]),
                ton:Number(m[3])
            });
        }
    });
}

function clearLadle(){
    document.getElementById("ladle").value="";
}

function randomLastDigit(num){
    let base=Math.floor(num/10)*10;
    return base + Math.floor(Math.random()*10);
}

function addTime(text,addMin){
    return text.replace(/出钢时间\s*[：:]\s*(\d{1,2})\s*[：:\s]\s*(\d{1,2})/,function(match,h,m){
        let d=new Date();
        d.setHours(Number(h),Number(m),0,0);
        d.setMinutes(d.getMinutes()+addMin);
        let hh=String(d.getHours()).padStart(2,"0");
        let mm=String(d.getMinutes()).padStart(2,"0");
        return `出钢时间:      ${hh}   ：  ${mm}`;
    });
}

function updateAlloyTime(text){
    return text.replace(/合金下料时间\s*[：:]\s*(\d+)/,function(match,oldNum){
        let oldValue = Number(oldNum);
        let newValue = oldValue >= 55 ? 40 : oldValue + 1;
        return `合金下料时间：   ${newValue}`;
    });
}

function nextHeat(){

    parseLadles();

    let t=document.getElementById("record").value;
    let addMin=Number(document.getElementById("addMinute").value)||40;

    t=t.replace(/第\s*(\d+)\s*炉/,(_,n)=>`第   ${+n+1}   炉`);
    t=t.replace(/炉号\s*[：:]\s*(\d+)/,(_,n)=>`炉号：${+n+1}`);
    t=addTime(t,addMin);
    t=updateAlloyTime(t);

    let alloys=["硅锰","硅铁","铝铁","低碳锰铁","金属锰","低锰","高碳铬铁","高铬","铬铁"];
    alloys.forEach(a=>{
        let reg=new RegExp(`${a}\\s*[：:]\\s*(\\d+)`,"g");
        t=t.replace(reg,(match,num)=>{
            let newNum=randomLastDigit(Number(num));
            return `${a}：       ${newNum}`;
        });
    });

    // ⭐⭐⭐ 新焦粒碳粉逻辑 ⭐⭐⭐
    let carbonMatch=t.match(/终点碳\s*[：:]\s*(\d+)/);

    if(carbonMatch){
        let carbon = Number(carbonMatch[1]);

        if(carbon <= 7){
            // 终点碳 ≤ 7 → 0包
            t=t.replace(/\/\s*\d+\s*包/,"/   0包");
        }else{
            // 终点碳 > 7 → 10~14随机
            let randomPack = Math.floor(Math.random()*5) + 10; // 10~14
            t=t.replace(/\/\s*\d+\s*包/,`/   ${randomPack}包`);
        }
    }

    let nitrogenValues=["0.003","0.0023","0.0017","0.0028","0.0014"];
    t=t.replace(/终点氮含量\s*[：:]\s*[^\n]*/,function(){
        let randomN=nitrogenValues[Math.floor(Math.random()*nitrogenValues.length)];
        return `终点氮含量：    ${randomN}`;
    });

    if(ladles.length>0){

        let cur=t.match(/钢\s*包\s*号\s*[：:]\s*(\d+)/);
        let idx=-1;

        if(cur){
            idx = ladles.findIndex(l=>l.no === cur[1]);
        }

        let next = ladles[(idx+1) % ladles.length];

        t=t.replace(/钢\s*包\s*号\s*[：:]\s*\d+/,`钢 包 号：      ${next.no}`);
        t=t.replace(/包\s*龄\s*[：:]\s*\d+/,`包      龄：      ${next.age}`);
        t=t.replace(/要\s*求钢量\s*[：:]\s*\d+/,`要 求钢量：     ${next.ton}`);
        t=t.replace(/实\s*际装量\s*[：:]\s*\d+/,`实 际装量：     ${next.ton+5}`);
    }

    document.getElementById("record").value=t;
}

function copyText(){
    navigator.clipboard.writeText(document.getElementById("record").value).then(()=>{
        alert("已复制，可直接发送炼钢工作群");
    });
}
</script>
</body>
</html>