/* rmc.ts — 原料克重自动计算小程序（可独立使用，亦可嵌入表单 iframe） */
"use strict";
/* ---------- 摩尔质量（常见陶瓷组分元素，g/mol） ---------- */
const AM = {
    H: 1.008, Li: 6.94, B: 10.81, C: 12.011, N: 14.007, O: 15.999, F: 18.998,
    Na: 22.99, Mg: 24.305, Al: 26.982, Si: 28.085, P: 30.974, S: 32.06, Cl: 35.45,
    K: 39.098, Ca: 40.078, Ti: 47.867, V: 50.942, Cr: 51.996, Mn: 54.938,
    Fe: 55.845, Co: 58.933, Ni: 58.693, Cu: 63.546, Zn: 65.38, Ga: 69.723,
    Y: 88.906, Zr: 91.224, Nb: 92.906, Mo: 95.95, Sn: 118.71, Sb: 121.76,
    Ba: 137.327, La: 138.905, Ce: 140.116, Nd: 144.242, Sm: 150.36, Gd: 157.25,
    Dy: 162.5, Hf: 178.49, Ta: 180.95, W: 183.84, Pb: 207.2, Bi: 208.98, Sr: 87.62,
};
/** 化学式解析：支持嵌套括号、首系数、· 分隔（如 CuSO4·5H2O） */
function parseFormula(input) {
    const s = String(input || "").replace(/\s+/g, "").replace(/·|•|\*/g, ".");
    if (!s)
        return null;
    const total = {};
    for (const part of s.split(".")) {
        const r = parsePart(part, 1);
        if (r == null)
            return null;
        for (const [el, n] of Object.entries(r))
            total[el] = (total[el] || 0) + n;
    }
    return Object.keys(total).length ? total : null;
}
function parsePart(input, mult) {
    let s = String(input || "");
    const cm = /^(\d+(?:\.\d+)?)(.*)$/.exec(s);
    if (cm) {
        mult *= parseFloat(cm[1]);
        s = cm[2];
    }
    const out = {};
    let i = 0;
    while (i < s.length) {
        const em = /^([A-Z][a-z]?)(\d*(?:\.\d+)?)(.*)$/.exec(s.slice(i));
        if (em && AM[em[1]]) {
            out[em[1]] = (out[em[1]] || 0) + mult * (em[2] === "" ? 1 : parseFloat(em[2]));
            i += em[1].length + em[2].length;
            continue;
        }
        if (s[i] === "(" || s[i] === "[") {
            const close = s[i] === "(" ? ")" : "]";
            let depth = 0, j = i;
            for (; j < s.length; j++) {
                if (s[j] === s[i])
                    depth++;
                else if (s[j] === close && --depth === 0)
                    break;
            }
            if (j >= s.length)
                return null;
            const inner = parsePart(s.slice(i + 1, j), 1);
            if (inner == null)
                return null;
            const nm = /^(\d+(?:\.\d+)?)(.*)$/.exec(s.slice(j + 1));
            const k = nm ? parseFloat(nm[1]) : 1;
            for (const [el, n] of Object.entries(inner))
                out[el] = (out[el] || 0) + mult * k * n;
            i = j + 1 + (nm ? nm[1].length : 0);
            continue;
        }
        return null; // 无法识别的字符
    }
    return Object.keys(out).length ? out : null;
}
/** 化学式摩尔质量 */
function molarMass(formula) {
    const p = parseFormula(formula);
    if (!p)
        return null;
    let m = 0;
    for (const [el, n] of Object.entries(p))
        m += (AM[el] || 0) * n;
    return m > 0 ? m : null;
}
const DEFAULT_FORMULAS = ["BaCO3", "TiO2", "SrCO3", "ZrO2", "Nb2O5", "MgO", "Al2O3", "SiO2"];
const embedded = window.parent !== window;
let cfg = null;
const siloState = Array.from({ length: 8 }, () => ({ name: "", formula: "", coeff: "", grams: "" }));
function $(sel) { return document.querySelector(sel); }
function esc(s) {
    return String(s).replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;");
}
function render() {
    const gsel = $("#group");
    if (!gsel)
        return;
    if (gsel.options.length !== 4)
        gsel.innerHTML = [1, 2, 3, 4].map(g => `<option value="${g}">Group ${g}</option>`).join("");
    $("#mode").innerHTML = embedded
        ? "（<b>已嵌入</b>：料仓与目标化学式自动同步表单）"
        : "（独立模式：化学式与重量请手工填写）";
    const g = Number(gsel.value) || 1;
    $("#target").textContent = cfg?.targets?.[g - 1]?.[0] ?? "";
    let h = "<tr><th>料仓</th><th>原料名称</th><th>化学式</th><th>摩尔质量(g/mol)</th><th>摩尔系数</th><th>下料克重(g)</th></tr>";
    siloState.forEach((s, i) => {
        const mm = molarMass(s.formula);
        h += `<tr><td><b>${i + 1}</b></td>` +
            `<td>${esc(s.name || "—")}</td>` +
            `<td>${embedded ? esc(s.formula || "—") : `<input name="f" data-i="${i}" value="${esc(s.formula || DEFAULT_FORMULAS[i])}">`}</td>` +
            `<td class="mm">${mm ? mm.toFixed(3) : s.formula ? "解析失败" : "—"}</td>` +
            `<td><input data-c="${i}" inputmode="decimal" value="${esc(s.coeff)}"></td>` +
            `<td id="g${i}">${esc(s.grams)}</td></tr>`;
    });
    $("#silos").innerHTML = h;
    if (!embedded)
        $("#backfill").style.display = "none";
}
/** 计算：克重_i = 系数_i×M_i / Σ(系数_j×M_j) × 样品重量 */
function compute() {
    const mass = parseFloat($("#mass").value);
    if (!(mass > 0)) {
        $("#msg").innerHTML = `<span class="bad">样品重量无效</span>`;
        return null;
    }
    const rows = [];
    for (let i = 0; i < 8; i++) {
        const c = parseFloat(siloState[i].coeff);
        if (!(c > 0)) {
            siloState[i].grams = "";
            continue;
        }
        const m = molarMass(siloState[i].formula);
        if (m == null) {
            $("#msg").innerHTML = `<span class="bad">料仓${i + 1} 化学式无法解析：${esc(siloState[i].formula)}</span>`;
            return null;
        }
        rows.push([i, c * m]);
    }
    if (!rows.length) {
        $("#msg").innerHTML = `<span class="bad">请至少为一个料仓填写摩尔系数</span>`;
        return null;
    }
    const tot = rows.reduce((p, [, w]) => p + w, 0);
    const grams = Array.from({ length: 8 }, () => "");
    for (const [i, w] of rows) {
        grams[i] = (w / tot * mass).toFixed(5);
        siloState[i].grams = grams[i];
    }
    render();
    $("#msg").innerHTML = `<span class="ok">合计 ${tot.toFixed(3)} g/mol → 各仓 ${mass.toFixed(2)} g 分配完成</span>`;
    return grams;
}
function bind() {
    $("#calc")?.addEventListener("click", () => { compute(); });
    $("#backfill")?.addEventListener("click", () => {
        const grams = compute();
        if (grams && embedded)
            window.parent.postMessage({ type: "rmc-result", group: Number($("#group").value), grams }, window.location.origin);
    });
    $("#group")?.addEventListener("change", () => { render(); });
    $("#silos")?.addEventListener("input", (e) => {
        const t = e.target;
        if (t.name === "f")
            siloState[Number(t.dataset.i)].formula = t.value;
        if (t.dataset.c != null)
            siloState[Number(t.dataset.c)].coeff = t.value;
        render();
    });
}
/* ---------- 嵌入通信 ---------- */
window.addEventListener("message", (ev) => {
    if (ev.origin !== window.location.origin)
        return;
    const m = ev.data;
    if (m?.type === "rmc-config") {
        cfg = m;
        m.silos?.forEach((s, i) => {
            siloState[i].name = s.name || "";
            if (s.formula)
                siloState[i].formula = s.formula;
        });
        if (m.sampleMass)
            $("#mass").value = m.sampleMass;
        render();
    }
});
if (embedded)
    window.parent.postMessage({ type: "rmc-ready" }, window.location.origin);
bind();
render();