/* iAOP 移动端只读驾驶舱 + 交接班摘要（issue #136 / PRD 2.2 场景C、7.5、9）。
 *
 * 纯静态（无构建链），iOS14+/Android 10+（PRD 9：viewport-fit、env(safe-area)、
 * 无 ES2022+ 语法）；只读（无写操作入口，200 并发只读用户基线 = 纯静态资源
 * 天然可水平扩展，PRD 9 性能）。
 *
 * 与 Web 驾驶舱共享布局资产（不重复实现）：直接 fetch 编译产物
 *   ../cockpit/plans/ti-cl4.json        —— 布局 RenderPlan（四状态/KPI/告警位）
 *   ../cockpit/plans/alarm_panel.ti.json—— severityColors 三级配色
 * 交接班摘要卡片 props 对齐 core/shift-handover/handover.py 的
 * render_handover_brief 输出（sections/events/todos/collapseThreshold/
 * fontSize/requireConfirm）。
 * 摘要生成直连推理服务 /v1/chat/completions，计时对照 PRD 验收线 ≤ 2 分钟。
 */
"use strict";

var INFER_BASE = "http://39.101.182.167:30800";
var PLAN_URL = "../cockpit/plans/ti-cl4.json";
var ALARM_PLAN_URL = "../cockpit/plans/alarm_panel.ti.json";

var severityStyles = {
  P0: { fg: "#ff3b30", bg: "rgba(255,59,48,0.12)", border: "#ff3b30" },
  P1: { fg: "#f5a623", bg: "rgba(245,166,35,0.12)", border: "#f5a623" },
  P2: { fg: "#3aa0ff", bg: "rgba(58,160,255,0.10)" }
};
var brief = null; // 当前交接班摘要 props（render_handover_brief 同构）

function el(tag, cls, text) {
  var n = document.createElement(tag);
  if (cls) n.className = cls;
  if (text !== undefined) n.textContent = text;
  return n;
}
/* 与 Web 驾驶舱一致的确定性模拟数据源（接真实总线时替换） */
function seededRandom(seedStr) {
  var h = 1779033703 ^ seedStr.length;
  for (var i = 0; i < seedStr.length; i++) {
    h = Math.imul(h ^ seedStr.charCodeAt(i), 3432918353);
    h = (h << 13) | (h >>> 19);
  }
  return function () {
    h = Math.imul(h ^ (h >>> 16), 2246822507);
    h = Math.imul(h ^ (h >>> 13), 3266489909);
    h ^= h >>> 16;
    return (h >>> 0) / 4294967296;
  };
}

/* ---------------- 只读驾驶舱（共享布局资产渲染） ---------------- */
function renderMobileCockpit(plan) {
  document.getElementById("page-title").textContent = plan.title || "iAOP 移动驾驶舱";
  Object.keys(plan.themeTokens || {}).forEach(function (k) {
    document.documentElement.style.setProperty(k, plan.themeTokens[k]);
  });
  // 四状态工艺（process_view.stages，与 Web 端同源）
  var stagesBox = document.getElementById("m-stages");
  stagesBox.innerHTML = "";
  var pv = null;
  plan.widgets.forEach(function (w) { if (w.type === "process_view") pv = w; });
  var states = (pv && pv.props.states) || ["running", "warning", "alarm", "offline"];
  ((pv && pv.props.stages) || []).forEach(function (s, i) {
    var st = states[i % states.length];
    var chip = el("div", "stage-chip s-" + st);
    chip.appendChild(el("div", "n", s.name || s.id));
    if (s.device) chip.appendChild(el("div", "d", s.device));
    chip.appendChild(el("div", "s", st));
    stagesBox.appendChild(chip);
  });
  // KPI 卡片（两列网格，只读）
  var kpiBox = document.getElementById("m-kpis");
  kpiBox.innerHTML = "";
  plan.widgets.forEach(function (w) {
    if (w.type !== "kpi_card") return;
    // 30s 时间桶入种子：刷新/定时重渲染时数值滚动（接真实总线后替换）
    var rnd = seededRandom((w.props.metric || "") + "|" + Math.floor(Date.now() / 30000));
    var card = el("div", "kpi");
    card.appendChild(el("div", "v", (60 + rnd() * 40).toFixed(2)));
    card.appendChild(el("div", "l", w.props.label || w.props.metric));
    if (w.description) card.appendChild(el("div", "d", w.description));
    kpiBox.appendChild(card);
  });
  // 告警（只读，配色与 Web 端同源）
  var alarmBox = document.getElementById("m-alarms");
  alarmBox.innerHTML = "";
  var demo = [
    { severity: "P0", msg: "CLF-01.TEMP 温度骤升越上限" },
    { severity: "P1", msg: "RF-01.VAC 真空度波动" },
    { severity: "P2", msg: "ST-01.STEAM 流量偏低" }
  ];
  demo.forEach(function (a) {
    var st = severityStyles[a.severity] || {};
    var item = el("div", "alarm");
    item.style.color = st.fg || "inherit";
    item.style.background = st.bg || "transparent";
    if (st.border) item.style.borderLeftColor = st.border;
    item.appendChild(el("span", "sev", a.severity));
    item.appendChild(el("span", null, a.msg));
    alarmBox.appendChild(item);
  });
}

/* ---------------- 交接班摘要（render_handover_brief props 同构渲染） ---------------- */
function renderBrief(p) {
  document.body.className = "fontsize-" + (p.fontSize || "md");
  var box = document.getElementById("brief");
  box.innerHTML = "";
  var head = el("div", "card");
  head.appendChild(el("div", "card-title",
    p.shift + " · 交班人 " + p.operator + " → " + p.nextShift));
  head.appendChild(el("div", "hint",
    "生成于 " + p.generatedAt + " · Prompt " + p.promptTemplate + " v" + p.promptVersion));
  box.appendChild(head);

  // 章节开关完全由配置驱动（showOverview 等，切换模板零改码）
  function section(show, title, bodyText) {
    if (!show || !bodyText) return;
    var card = el("div", "card brief-sec");
    card.appendChild(el("div", "sec-title", title));
    card.appendChild(el("div", "sec-body", bodyText));
    box.appendChild(card);
  }
  var parts = p.summary.split(/\n(?=[一二三四五]、)/); // 按章节模板切分摘要
  section(p.showOverview, "生产概况", parts[0] || p.summary);
  section(p.showAbnormal, "异常事项", parts[1] || "");
  section(p.showSafety, "安全注意事项", parts[2] || "");
  section(p.showEnergy, "能耗", parts[3] || "");
  if (p.showTodos && p.todos.length) {
    var card = el("div", "card brief-sec");
    card.appendChild(el("div", "sec-title", "待办（交下一班）"));
    var threshold = p.collapseThreshold || 4;
    var shown = p.todos.slice(0, threshold);
    var rest = p.todos.slice(threshold);
    shown.forEach(function (t) {
      card.appendChild(el("div", "todo", "· " + t.title +
        (t.priority ? "（" + t.priority + "）" : "") + (t.due ? " · " + t.due : "")));
    });
    if (rest.length || p.todoOverflow) {
      var fold = el("button", "fold-btn",
        "展开更多 +" + (rest.length + (p.todoOverflow || 0)));
      fold.onclick = function () {
        rest.forEach(function (t) {
          card.insertBefore(el("div", "todo", "· " + t.title), fold);
        });
        fold.remove();
      };
      card.appendChild(fold);
    }
    box.appendChild(card);
  }
  // 关键事件（含折叠策略）
  if (p.events.length) {
    var ec = el("div", "card brief-sec");
    ec.appendChild(el("div", "sec-title", "关键事件"));
    p.events.forEach(function (e) {
      var row = el("div", "event");
      row.appendChild(el("span", "t", e.time));
      row.appendChild(el("span", null, "[" + e.severity + "] " + e.title));
      ec.appendChild(row);
    });
    if (p.eventOverflow) ec.appendChild(el("div", "hint", "另有 " + p.eventOverflow + " 条已折叠"));
    box.appendChild(ec);
  }
  if (p.requireConfirm) {
    box.appendChild(el("div", "confirm-tag",
      "⚠ 本班含 P0/安全事件，摘要需值班长确认后生效"));
  }
  document.getElementById("push-card").hidden = false;
}

function generateBrief() {
  var shift = document.getElementById("shift-select").value;
  var btn = document.getElementById("btn-gen");
  var status = document.getElementById("gen-status");
  btn.disabled = true;
  var started = Date.now();
  status.textContent = "生成中…（PRD 验收线 ≤ 2 分钟）";
  fetch(INFER_BASE + "/v1/chat/completions", {
    method: "POST", headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ model: "iaop-ti-cl4-v1", max_tokens: 800, messages: [
      { role: "system", content: "你是交接班报告生成助手。按章节输出：一、生产概况；"
        + "二、异常事项；三、安全注意事项；四、能耗；五、待办。每章 1-3 条，简体中文。" },
      { role: "user", content: "生成" + shift + "交接班摘要：氯化炉运行平稳，"
        + "P1 真空度告警 1 起已确认；电耗 8200kWh；待办：更换 CLF-01 热电偶。" }
    ] })
  }).then(function (r) { return r.json(); })
    .then(function (d) {
      var summary = (d.choices && d.choices[0] && d.choices[0].message.content) || "（空响应）";
      var cost = ((Date.now() - started) / 1000).toFixed(1);
      status.textContent = "生成完成，耗时 " + cost + "s" +
        (cost <= 120 ? "（达标 ≤2min）" : "（超出验收线）");
      brief = {
        schema: "iAOP-cockpit-handover-brief-v1",
        shift: shift, operator: "张工", nextShift: "下一班",
        summary: summary, generatedAt: new Date().toISOString(),
        promptTemplate: "shift_handover", promptVersion: "1.0.1",
        sections: ["overview", "abnormal", "safety", "energy", "todos"],
        events: [
          { time: "09:12", title: "真空度波动告警", severity: "P1", detail: "RF-01.VAC" },
          { time: "10:40", title: "更换热电偶备件确认", severity: "P2", detail: "CLF-01" }
        ],
        todos: [
          { title: "更换 CLF-01 热电偶", priority: "高", due: "下一班" },
          { title: "复核真空泵运行曲线", priority: "中", due: "24h 内" }
        ],
        eventOverflow: 0, todoOverflow: 0, collapseThreshold: 4, fontSize: "md",
        requireConfirm: false,
        showOverview: true, showAbnormal: true, showSafety: true,
        showEnergy: true, showTodos: true
      };
      renderBrief(brief);
    })
    .catch(function (e) { status.textContent = "生成失败：" + e.message; })
    .finally(function () { btn.disabled = false; });
}

/* ---------------- 启动 ---------------- */
(function init() {
  document.querySelectorAll("#tabbar .tab").forEach(function (tab) {
    tab.onclick = function () {
      document.querySelectorAll("#tabbar .tab").forEach(function (t) { t.classList.remove("active"); });
      document.querySelectorAll(".view").forEach(function (v) { v.classList.remove("active"); });
      tab.classList.add("active");
      document.getElementById("view-" + tab.dataset.view).classList.add("active");
    };
  });
  document.getElementById("btn-gen").onclick = generateBrief;
  document.getElementById("btn-push").onclick = function () {
    // 推送下一班（PRD 场景C）：真实推送通道就绪前以状态回执演示
    document.getElementById("push-status").textContent =
      "已推送下一班（" + new Date().toLocaleTimeString("zh-CN") + "）";
  };
  fetch(ALARM_PLAN_URL).then(function (r) { return r.ok ? r.json() : null; })
    .then(function (p) { if (p && p.severityStyles) severityStyles = p.severityStyles; })
    .catch(function () {});
  // issue #157：只读数据手动刷新（重新加载布局资产并重渲染 KPI/告警）
  function loadPlan() {
    fetch(PLAN_URL).then(function (r) { return r.json(); })
      .then(renderMobileCockpit)
      .catch(function (e) {
        document.getElementById("m-stages").innerHTML = "";
        document.getElementById("m-stages").appendChild(
          el("div", "hint", "布局资产加载失败：" + e.message + "（请从 web/ 根目录起服务）"));
      });
  }
  document.getElementById("btn-refresh").onclick = loadPlan;
  loadPlan();
})();