{# 系统设置 · 模拟资金 #}
<div class="sim-funds-panel" id="sim-funds-panel">
  <h2>模拟资金</h2>
  <p class="settings-subcard-desc">
    在本地 SQLite 钱包中模拟撮合: 用 OKX <strong>公开行情</strong> 吃买卖一结算盈亏,
    <strong>不会向交易所下真实订单</strong>.
  </p>
  <p class="muted" style="margin:0.5rem 0 1rem">
    当前模式:
    <strong id="sim-mode-label">…</strong>
    <span id="sim-mode-badge" class="sim-mode-badge" style="display:none;margin-left:0.5rem;padding:0.1rem 0.45rem;border:1px solid currentColor;font-size:0.85em">模拟</span>
  </p>

  <div class="sim-mode-toggle" style="display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:1rem">
    <button type="button" class="btn" id="sim-btn-sim" onclick="simSetMode('sim')">切换到模拟资金</button>
    <button type="button" class="btn" id="sim-btn-live" onclick="simSetMode('live')">切换到实盘</button>
  </div>

  <div id="sim-wallets-block" style="display:none">
    <h3>钱包余额</h3>
    <div class="sim-wallet-grid" style="display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:0.75rem;margin:0.75rem 0 1.25rem">
      <div><div class="muted">资金 USDT</div><div id="sim-bal-funding-usdt">—</div></div>
      <div><div class="muted">交易 USDT</div><div id="sim-bal-trading-usdt">—</div></div>
      <div><div class="muted">资金 USDC</div><div id="sim-bal-funding-usdc">—</div></div>
      <div><div class="muted">交易 USDC</div><div id="sim-bal-trading-usdc">—</div></div>
    </div>
    <p class="muted" id="sim-fee-rate-line">手续费率: —</p>

    <h3>重置权益</h3>
    <div style="display:flex;gap:0.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem">
      <label>USDT <input type="number" id="sim-reset-equity" value="10000" min="0" step="1" style="width:8rem"></label>
      <button type="button" class="btn" onclick="simReset(false)">重置(需无仓)</button>
      <button type="button" class="btn" onclick="simReset(true)">强制重置(清仓)</button>
    </div>

    <h3>账户划转</h3>
    <div style="display:flex;gap:0.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem">
      <select id="sim-xfer-ccy"><option>USDT</option><option>USDC</option></select>
      <select id="sim-xfer-from"><option value="funding">资金</option><option value="trading">交易</option></select>
      <span>→</span>
      <select id="sim-xfer-to"><option value="trading">交易</option><option value="funding">资金</option></select>
      <input type="number" id="sim-xfer-amt" min="0" step="0.01" placeholder="金额" style="width:7rem">
      <button type="button" class="btn" onclick="simTransfer()">划转</button>
    </div>

    <h3>USDT ↔ USDC（交易账户 · USDC/USDT 市价）</h3>
    <div style="display:flex;gap:0.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1rem">
      <select id="sim-conv-account"><option value="trading">交易账户</option><option value="funding">资金账户</option></select>
      <select id="sim-conv-from"><option value="USDT">USDT</option><option value="USDC">USDC</option></select>
      <span>→</span>
      <select id="sim-conv-to"><option value="USDC">USDC</option><option value="USDT">USDT</option></select>
      <input type="number" id="sim-conv-amt" min="0" step="0.01" placeholder="金额" style="width:7rem">
      <button type="button" class="btn" onclick="simConvert()">兑换</button>
    </div>
  </div>

  <p id="sim-funds-msg" class="muted" style="min-height:1.2em"></p>
</div>
<script>
(function () {
  function $(id) { return document.getElementById(id); }
  function msg(t, ok) {
    var el = $("sim-funds-msg");
    if (!el) return;
    el.textContent = t || "";
    el.style.color = ok === false ? "#c0392b" : "";
  }
  function applyStatus(d) {
    if (!d) return;
    var mode = d.mode || (d.is_sim ? "sim" : "live");
    var label = $("sim-mode-label");
    if (label) label.textContent = mode === "sim" ? "模拟资金" : "实盘";
    var badge = $("sim-mode-badge");
    if (badge) badge.style.display = mode === "sim" ? "inline" : "none";
    var block = $("sim-wallets-block");
    if (block) block.style.display = mode === "sim" ? "block" : "none";
    var w = d.wallets || {};
    function setBal(id, v) {
      var el = $(id);
      if (el) el.textContent = (v == null || v === undefined) ? "—" : Number(v).toFixed(4);
    }
    setBal("sim-bal-funding-usdt", w.funding_usdt);
    setBal("sim-bal-trading-usdt", w.trading_usdt);
    setBal("sim-bal-funding-usdc", w.funding_usdc);
    setBal("sim-bal-trading-usdc", w.trading_usdc);
    var fee = $("sim-fee-rate-line");
    if (fee && d.fee_rate != null) fee.textContent = "手续费率: " + d.fee_rate;
  }
  window.simRefreshStatus = function () {
    return fetch("/api/sim/status", { credentials: "same-origin" })
      .then(function (r) { return r.json(); })
      .then(function (d) {
        if (d && d.ok) applyStatus(d);
        else msg((d && d.msg) || "状态加载失败", false);
      })
      .catch(function (e) { msg(String(e), false); });
  };
  window.simSetMode = function (mode) {
    msg("切换中…");
    fetch("/api/sim/mode", {
      method: "POST",
      credentials: "same-origin",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ mode: mode })
    }).then(function (r) { return r.json(); }).then(function (d) {
      if (!d.ok) { msg(d.msg || "切换失败", false); return; }
      applyStatus(d);
      msg("已切换为 " + (mode === "sim" ? "模拟资金" : "实盘"), true);
    }).catch(function (e) { msg(String(e), false); });
  };
  window.simReset = function (force) {
    var equity = parseFloat(($("sim-reset-equity") || {}).value || "10000");
    msg("重置中…");
    fetch("/api/sim/reset", {
      method: "POST",
      credentials: "same-origin",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ equity_usdt: equity, force: !!force })
    }).then(function (r) { return r.json(); }).then(function (d) {
      if (!d.ok) { msg(d.detail || d.msg || "重置失败", false); return; }
      applyStatus(d);
      msg("已重置权益", true);
    }).catch(function (e) { msg(String(e), false); });
  };
  window.simTransfer = function () {
    var body = {
      ccy: ($("sim-xfer-ccy") || {}).value || "USDT",
      from: ($("sim-xfer-from") || {}).value || "funding",
      to: ($("sim-xfer-to") || {}).value || "trading",
      amount: parseFloat(($("sim-xfer-amt") || {}).value || "0")
    };
    fetch("/api/sim/transfer", {
      method: "POST",
      credentials: "same-origin",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(body)
    }).then(function (r) { return r.json(); }).then(function (d) {
      if (!d.ok) { msg(d.detail || d.msg || "划转失败", false); return; }
      applyStatus(d);
      msg("划转成功", true);
    }).catch(function (e) { msg(String(e), false); });
  };
  window.simConvert = function () {
    var body = {
      account: ($("sim-conv-account") || {}).value || "trading",
      from_ccy: ($("sim-conv-from") || {}).value || "USDT",
      to_ccy: ($("sim-conv-to") || {}).value || "USDC",
      amount: parseFloat(($("sim-conv-amt") || {}).value || "0")
    };
    fetch("/api/sim/convert", {
      method: "POST",
      credentials: "same-origin",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(body)
    }).then(function (r) { return r.json(); }).then(function (d) {
      if (!d.ok) { msg(d.detail || d.msg || "兑换失败", false); return; }
      applyStatus(d);
      var px = d.fill_px != null ? (" @" + Number(d.fill_px).toFixed(6)) : "";
      msg("兑换成功" + px, true);
    }).catch(function (e) { msg(String(e), false); });
  };
  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", window.simRefreshStatus);
  } else {
    window.simRefreshStatus();
  }
})();
</script>