/**
 * 四所实例共用 UI：复盘详情、盈亏着色等。
 */
(function (global) {
  "use strict";

  function escapeHtml(s) {
    return String(s == null ? "" : s)
      .replace(/&/g, "&")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;")
      .replace(/"/g, "&quot;");
  }

  function pnlClassFromValue(val) {
    const n = Number(String(val == null ? "" : val).replace(/[^\d.-]/g, ""));
    if (!Number.isFinite(n) || n === 0) return "";
    return n > 0 ? "pnl-profit" : "pnl-loss";
  }

  function formatPnlSpan(val, suffix) {
    const sfx = suffix == null ? "U" : suffix;
    const cls = pnlClassFromValue(val);
    const text = escapeHtml(val == null || val === "" ? "-" : val) + sfx;
    return cls ? `<span class="${cls}">${text}</span>` : text;
  }

  function buildJournalDetailHtml(o, formatExitLine) {
    const moodTags =
      Array.isArray(o.mood_issues) && o.mood_issues.length
        ? o.mood_issues.join(",")
        : o.mood_issues || "无";
    const exitText =
      typeof formatExitLine === "function" ? formatExitLine(o) : o.exit_reason || "无";
    const lines = [
      `币种/周期：${escapeHtml(o.coin || "-")} ${escapeHtml(o.tf || "-")}`,
      `开仓时间：${escapeHtml(o.open_datetime || "-")}`,
      `平仓时间：${escapeHtml(o.close_datetime || "-")}`,
      `持仓时长：${escapeHtml(o.hold_duration || "-")}`,
      `盈亏：${formatPnlSpan(o.pnl)}`,
      `开仓类型：${escapeHtml(o.entry_reason || "无")}`,
      `平仓/离场：${escapeHtml(exitText)}`,
      `预期RR：${escapeHtml(o.expect_rr || "-")}`,
      `实际RR：${escapeHtml(o.real_rr || "-")}`,
      `保本后盯盘：${escapeHtml(o.post_breakeven_stare || "-")}`,
      `占用时新开仓：${escapeHtml(o.new_trade_while_occupied || "-")}`,
      `心态标签：${escapeHtml(moodTags)}`,
      `备注：${escapeHtml(o.note || "无")}`,
    ];
    return lines.join("<br>");
  }

  function setJournalDetailBody(o, formatExitLine) {
    const body = document.getElementById("detailBody");
    if (!body) return;
    body.classList.remove("md-review", "trade-record-detail-wrap");
    body.classList.add("journal-detail-meta");
    body.innerHTML = buildJournalDetailHtml(o, formatExitLine);
  }

  function openJournalDetailModal(id, journalCache, formatExitLine) {
    const o = journalCache && journalCache[id];
    if (!o) return;
    const titleEl = document.getElementById("detailTitle");
    if (titleEl) {
      titleEl.innerText = `交易复盘详情｜${o.coin || "-"} ${o.tf || "-"}`;
    }
    setJournalDetailBody(o, formatExitLine);
    clearDetailActions();
    const imgEl = document.getElementById("detailImage");
    if (imgEl) {
      if (o.image) {
        imgEl.src = `/static/images/${o.image}`;
        imgEl.style.display = "block";
      } else {
        imgEl.src = "";
        imgEl.style.display = "none";
      }
    }
    if (typeof setDetailModalFullscreen === "function") {
      setDetailModalFullscreen(false);
    }
    const modal = document.getElementById("detailModal");
    if (modal) modal.style.display = "flex";
  }

  function isMobileCompactRecords() {
    if (typeof window === "undefined" || !window.matchMedia) return false;
    return window.matchMedia("(max-width: 720px)").matches;
  }

  function inferJournalDirection(o) {
    const text = String((o && o.entry_reason) || "");
    if (/做空|空头|short/i.test(text)) {
      return { text: "做空", cls: "direction-short" };
    }
    if (/做多|多头|long/i.test(text)) {
      return { text: "做多", cls: "direction-long" };
    }
    return null;
  }

  function renderJournalListHtml(data) {
    if (!data || !data.length) return "";
    const mobile = isMobileCompactRecords();
    return data
      .map(function (o) {
        if (mobile) {
          const dir = inferJournalDirection(o);
          const pnlCls = pnlClassFromValue(o.pnl);
          const dirHtml = dir
            ? `<span class="badge ${dir.cls}">${escapeHtml(dir.text)}</span>`
            : `<span class="mrr-muted">-</span>`;
          const id = escapeHtml(o.id);
          return `<div class="mobile-record-row-wrap">
            <button type="button" class="mobile-record-row" onclick="openJournalDetail('${id}')">
              <span class="mrr-symbol">${escapeHtml(o.coin || "-")} ${escapeHtml(o.tf || "")}</span>
              <span class="mrr-dir">${dirHtml}</span>
              <span class="mrr-pnl ${pnlCls}">${escapeHtml(o.pnl == null || o.pnl === "" ? "-" : o.pnl)}U</span>
            </button>
            <button type="button" class="mobile-record-del" title="删除" onclick="deleteJournal('${id}')">×</button>
          </div>`;
        }
        const moodTags = (o.mood_issues || []).join(",") || "无";
        const id = escapeHtml(o.id);
        return `<div class="entry">
          <div><strong>${escapeHtml(o.coin || "-")} ${escapeHtml(o.tf || "-")}</strong> | 盈亏:${escapeHtml(o.pnl == null || o.pnl === "" ? "-" : o.pnl)}U</div>
          <div>开:${escapeHtml(o.open_datetime || "-")} 平:${escapeHtml(o.close_datetime || "-")} 持仓:${escapeHtml(o.hold_duration || "-")}</div>
          <div>心态标签:${escapeHtml(moodTags)}</div>
          <div style="display:flex;gap:8px;flex-wrap:wrap;margin-top:6px">
            <button type="button" class="btn-del" style="border:none;cursor:pointer;background:#1f3a5a;color:#8fc8ff" onclick="openJournalDetail('${id}')">查看详情</button>
            <button type="button" class="btn-del" onclick="deleteJournal('${id}')">删除</button>
          </div>
        </div>`;
      })
      .join("");
  }

  function parseTradeRecordRow(tr) {
    const cells = tr.querySelectorAll("td");
    if (cells.length < 14) return null;
    const dirBadge = cells[2].querySelector(".badge");
    return {
      rowId: tr.id,
      symbol: cells[0].textContent.trim(),
      type: cells[1].textContent.trim(),
      directionHtml: (dirBadge ? dirBadge.outerHTML : cells[2].innerHTML).trim(),
      directionText: cells[2].textContent.trim(),
      trigger: cells[3].textContent.trim(),
      stopLoss: cells[4].textContent.trim(),
      takeProfit: cells[5].textContent.trim(),
      margin: cells[6].textContent.trim(),
      leverage: cells[7].textContent.trim(),
      holdMinutes: cells[8].textContent.trim(),
      openedAt: cells[9].textContent.trim(),
      closedAt: cells[10].textContent.trim(),
      pnlHtml: cells[11].innerHTML.trim(),
      pnlText: cells[11].textContent.trim(),
      resultHtml: cells[12].innerHTML.trim(),
      resultText: cells[12].textContent.trim(),
      actionsHtml: cells[13].innerHTML,
    };
  }

  function renderMobileTradeRow(tr) {
    const row = parseTradeRecordRow(tr);
    if (!row) return "";
    const pnlCls = pnlClassFromValue(row.pnlText);
    return `<button type="button" class="mobile-record-row" data-row-id="${escapeHtml(row.rowId)}">
      <span class="mrr-symbol">${escapeHtml(row.symbol)}</span>
      <span class="mrr-dir">${row.directionHtml}</span>
      <span class="mrr-pnl ${pnlCls}">${escapeHtml(row.pnlText || "-")}</span>
    </button>`;
  }

  function tradeDetailRow(label, valueHtml) {
    return `<div class="trd-row"><span class="trd-label">${escapeHtml(label)}</span><span class="trd-value">${valueHtml}</span></div>`;
  }

  function buildTradeRecordDetailHtml(row) {
    return `<div class="trade-record-detail">${
      tradeDetailRow("品种", escapeHtml(row.symbol)) +
      tradeDetailRow("类型", escapeHtml(row.type)) +
      tradeDetailRow("方向", row.directionHtml) +
      tradeDetailRow("成交价", escapeHtml(row.trigger)) +
      tradeDetailRow("止损(开仓)", escapeHtml(row.stopLoss)) +
      tradeDetailRow("止盈", escapeHtml(row.takeProfit)) +
      tradeDetailRow("基数", escapeHtml(row.margin)) +
      tradeDetailRow("杠杆", escapeHtml(row.leverage)) +
      tradeDetailRow("持仓分钟", escapeHtml(row.holdMinutes)) +
      tradeDetailRow("开仓时间", escapeHtml(row.openedAt)) +
      tradeDetailRow("平仓时间", escapeHtml(row.closedAt)) +
      tradeDetailRow("盈亏U", row.pnlHtml) +
      tradeDetailRow("结果", row.resultHtml)
    }</div>`;
  }

  function clearDetailActions() {
    const el = document.getElementById("detailActions");
    if (el) {
      el.innerHTML = "";
      el.style.display = "none";
    }
  }

  function setDetailActionsHtml(html) {
    let el = document.getElementById("detailActions");
    if (!el) {
      const panel = document.querySelector("#detailModal .panel");
      if (!panel) return;
      el = document.createElement("div");
      el.id = "detailActions";
      el.className = "detail-actions";
      const body = document.getElementById("detailBody");
      if (body && body.parentNode === panel) {
        panel.insertBefore(el, body.nextSibling);
      } else {
        panel.appendChild(el);
      }
    }
    el.innerHTML = html || "";
    el.style.display = html ? "flex" : "none";
  }

  function openTradeRecordDetailModal(tr) {
    const row = parseTradeRecordRow(tr);
    if (!row) return;
    const titleEl = document.getElementById("detailTitle");
    if (titleEl) {
      titleEl.innerText = `交易记录｜${row.symbol}`;
    }
    const body = document.getElementById("detailBody");
    if (body) {
      body.classList.remove("md-review", "journal-detail-meta");
      body.classList.add("trade-record-detail-wrap");
      body.innerHTML = buildTradeRecordDetailHtml(row);
    }
    setDetailActionsHtml(
      `<div class="detail-actions-inner">${row.actionsHtml}</div>`
    );
    const imgEl = document.getElementById("detailImage");
    if (imgEl) {
      imgEl.src = "";
      imgEl.style.display = "none";
    }
    if (typeof setDetailModalFullscreen === "function") {
      setDetailModalFullscreen(false);
    }
    const modal = document.getElementById("detailModal");
    if (modal) modal.style.display = "flex";
  }

  global.InstanceUI = {
    escapeHtml: escapeHtml,
    pnlClassFromValue: pnlClassFromValue,
    formatPnlSpan: formatPnlSpan,
    buildJournalDetailHtml: buildJournalDetailHtml,
    setJournalDetailBody: setJournalDetailBody,
    openJournalDetailModal: openJournalDetailModal,
    isMobileCompactRecords: isMobileCompactRecords,
    inferJournalDirection: inferJournalDirection,
    renderJournalListHtml: renderJournalListHtml,
    parseTradeRecordRow: parseTradeRecordRow,
    renderMobileTradeRow: renderMobileTradeRow,
    buildTradeRecordDetailHtml: buildTradeRecordDetailHtml,
    openTradeRecordDetailModal: openTradeRecordDetailModal,
    clearDetailActions: clearDetailActions,
  };
})(typeof window !== "undefined" ? window : globalThis);