// home.js — 首页渲染 + 财务趋势图

function renderHome() {
  const { summary, financeMonthly } = state.data;
  const m = summary.metrics;
  const moneyInt = (v) => `${Math.round(Number(v || 0)).toLocaleString("zh-CN")} 元`;
  // 回款提醒
  const yrRev = m.revenue_annual || 0, yrPay = m.payment_annual || 0, yrUnpaid = yrRev - yrPay;
  const yrPayRate = yrRev > 0 ? Math.round(yrPay / yrRev * 100) : 0;
  const yrUnpaidWan = Math.round(Math.abs(yrUnpaid) / 10000);
  const payRateCls = yrPayRate < 30 ? 'text-red-600' : yrPayRate < 80 ? 'text-amber-600' : 'text-green-600';
  const unpaidLabel = yrUnpaid >= 0
    ? '你还有 <strong class=\"text-red-600\">' + yrUnpaidWan + '万</strong> 未回款'
    : '超额回款 <strong class=\"text-green-600\">' + yrUnpaidWan + '万</strong>';
  const payReminder = yrRev > 0 ? '<div class=\"flex items-center gap-3 px-4 py-3 rounded-lg border\" style=\"background:linear-gradient(135deg,#fef3c7,#fde68a);border-color:#f59e0b\">' +
    '<i data-lucide=\"bell-ring\" class=\"text-amber-600 flex-shrink-0\" style=\"width:18px;height:18px\"></i>' +
    '<span class=\"text-sm text-amber-900\"><strong>回款提醒：</strong>本年度确收 <strong>' + moneyInt(yrRev) + '</strong>，回款 <strong>' + moneyInt(yrPay) + '</strong>，' + unpaidLabel + '，当前回款率：<strong class=\"' + payRateCls + '\">' + yrPayRate + '%</strong></span>' +
    '</div>' : '';
  const rows1 = [
    ["年度累计", moneyInt(m.signed_annual || m.signed_amount)],
    ["本季度累计", moneyInt(m.signed_q2 || 0)],
    ["本月累计", moneyInt(m.signed_month || 0)],
    ["上本季度累计", moneyInt(m.signed_prev_q || 0)],
    ["上月累计", moneyInt(m.signed_prev_month || 0)],
  ];
  const rows2 = [
    ["年度累计", moneyInt(m.revenue_annual)],
    ["本季度累计", moneyInt(m.revenue_q2)],
    ["本月累计", moneyInt(m.monthly_revenue)],
    ["上本季度累计", moneyInt(m.revenue_prev_q || 0)],
    ["上月累计", moneyInt(m.revenue_prev_month || 0)],
  ];
  const rows3 = [
    ["年度累计", moneyInt(m.gross_annual)],
    ["本季度累计", moneyInt(m.gross_q2)],
    ["本月累计", moneyInt(m.monthly_net_profit)],
    ["上本季度累计", moneyInt(m.gross_prev_q || 0)],
    ["上月累计", moneyInt(m.gross_prev_month || 0)],
  ];
  const rows4 = [
    ["年度累计", moneyInt(m.payment_annual || 0)],
    ["本季度累计", moneyInt(m.payment_q2 || 0)],
    ["本月累计", moneyInt(m.payment_month || 0)],
    ["上本季度累计", moneyInt(m.payment_prev_q || 0)],
    ["上月累计", moneyInt(m.payment_prev_month || 0)],
  ];
  const rows5 = [
    ["年度累计", moneyInt(m.cost_annual || 0)],
    ["本季度累计", moneyInt(m.cost_q2 || 0)],
    ["本月累计", moneyInt(m.cost_month || 0)],
    ["上本季度累计", moneyInt(m.cost_prev_q || 0)],
    ["上月累计", moneyInt(m.cost_prev_month || 0)],
  ];
  const rows7 = [
    ["年度累计", moneyInt(m.paid_annual || 0)],
    ["本季度累计", moneyInt(m.paid_q2 || 0)],
    ["本月累计", moneyInt(m.paid_month || 0)],
    ["上本季度累计", moneyInt(m.paid_prev_q || 0)],
    ["上月累计", moneyInt(m.paid_prev_month || 0)],
  ];
  const rowsProjExpense = [
    ["年度累计", moneyInt(m.proj_expense_annual || 0)],
    ["本季度累计", moneyInt(m.proj_expense_q2 || 0)],
    ["本月累计", moneyInt(m.proj_expense_month || 0)],
    ["上本季度累计", moneyInt(m.proj_expense_prev_q || 0)],
    ["上月累计", moneyInt(m.proj_expense_prev_month || 0)],
  ];
  const rows8 = [
    ["年度累计", moneyInt(m.cashflow_annual || 0)],
    ["本季度累计", moneyInt(m.cashflow_q2 || 0)],
    ["本月累计", moneyInt(m.cashflow_month || 0)],
    ["上本季度累计", moneyInt(m.cashflow_prev_q || 0)],
    ["上月累计", moneyInt(m.cashflow_prev_month || 0)],
  ];
  const rows9 = [
    ["年度累计", moneyInt(m.profit_annual || 0)],
    ["本季度累计", moneyInt(m.profit_q2 || 0)],
    ["本月累计", moneyInt(m.profit_month || 0)],
    ["上本季度累计", moneyInt(m.profit_prev_q || 0)],
    ["上月累计", moneyInt(m.profit_prev_month || 0)],
  ];
  const qoq = (cur, prev) => {
    if (!prev) return '<span class="text-slate-300">—</span>';
    const pct = Math.round((cur - prev) / prev * 100);
    const cls = pct >= 0 ? 'text-green-600' : 'text-red-600';
    const sign = pct >= 0 ? '+' : '';
    return '<span class="' + cls + '">' + sign + pct + '%</span>';
  };
  const COLORS = ['text-slate-700','text-blue-600','text-green-600','text-rose-600','text-indigo-600','text-amber-600','text-purple-600','text-cyan-600'];
  const LABELS = ['合同金额','确收金额','确收毛利','成本','项目利润','回款金额','已付','现金流'];
  const Q_FIELDS = [m.signed_q2||0, m.revenue_q2, m.gross_q2, m.cost_q2||0, m.profit_q2||0, m.payment_q2||0, m.paid_q2||0, m.cashflow_q2||0];
  const Q_PREV = [m.signed_prev_q||0, m.revenue_prev_q||0, m.gross_prev_q||0, m.cost_prev_q||0, m.profit_prev_q||0, m.payment_prev_q||0, m.paid_prev_q||0, m.cashflow_prev_q||0];
  const M_FIELDS = [m.signed_month||0, m.monthly_revenue, m.monthly_net_profit, m.cost_month||0, m.profit_month||0, m.payment_month||0, m.paid_month||0, m.cashflow_month||0];
  const M_PREV = [m.signed_prev_month||0, m.revenue_prev_month||0, m.gross_prev_month||0, m.cost_prev_month||0, m.profit_prev_month||0, m.payment_prev_month||0, m.paid_prev_month||0, m.cashflow_prev_month||0];
  const ROWS = [rows1, rows2, rows3, rows5, rows9, rows4, rows7, rows8];
  // 现金流和项目利润的原始值数组，用于正负着色
  const CF_RAW = [m.cashflow_annual||0, m.cashflow_q2||0, m.cashflow_month||0, m.cashflow_prev_q||0, m.cashflow_prev_month||0];
  const PF_RAW = [m.profit_annual||0, m.profit_q2||0, m.profit_month||0, m.profit_prev_q||0, m.profit_prev_month||0];
  var valCls = function(ri) { return (ri === 4 || ri === 7) ? '' : 'text-slate-800'; };
  var tdVal = function(ri, col, val) {
    if (ri === 4) return '<td class="py-2 text-right font-semibold ' + (PF_RAW[col] >= 0 ? 'text-green-600' : 'text-red-600') + '">' + val + '</td>';
    if (ri === 7) return '<td class="py-2 text-right font-semibold ' + (CF_RAW[col] >= 0 ? 'text-green-600' : 'text-red-600') + '">' + val + '</td>';
    return '<td class="py-2 text-right font-semibold text-slate-800">' + val + '</td>';
  };
  var thead = '<tr class="border-b border-slate-200"><th class="py-2 text-left text-slate-500">指标</th><th class="py-2 text-right font-semibold text-slate-700">年度累计</th><th class="py-2 text-right font-semibold text-slate-700">上季度累计</th><th class="py-2 text-right font-semibold text-slate-700">上月累计</th><th class="py-2 text-right font-semibold text-slate-700">本季度累计</th><th class="py-2 text-right font-semibold text-slate-400">季环比</th><th class="py-2 text-right font-semibold text-slate-700">本月累计</th><th class="py-2 text-right font-semibold text-slate-400">月环比</th></tr>';
  var tbody = '';
  for (var ri = 0; ri < 8; ri++) {
    var vals = ROWS[ri];
    tbody += '<tr class="border-b border-slate-100 last:border-0"><td class="py-2 text-left font-semibold text-slate-700">' + LABELS[ri] + '</td>' +
      tdVal(ri, 0, vals[0][1]) +
      tdVal(ri, 3, vals[3][1]) +
      tdVal(ri, 4, vals[4][1]) +
      tdVal(ri, 1, vals[1][1]) +
      '<td class="py-2 text-right">' + qoq(Q_FIELDS[ri], Q_PREV[ri]) + '</td>' +
      tdVal(ri, 2, vals[2][1]) +
      '<td class="py-2 text-right">' + qoq(M_FIELDS[ri], M_PREV[ri]) + '</td></tr>';
  }
  document.querySelector("#home").innerHTML = `
    <div class="grid gap-5">
      ${state.tenant === "总工作台" ? "" : `<div class="grid grid-cols-4 gap-3">
        ${[
          ["项目管理", m.total_projects, "finance"],
          ["重点工作与台账", m.total_proposals, "projects"],
          ["业务方案", m.total_products, "proposals"],
          ["产品迭代", m.upcoming_products, "products"],
        ].map(([label, value, tab]) => `<button class="metric-card" onclick="switchTab('${tab}')"><span class="flex items-center gap-2 text-xs text-slate-500"><i data-lucide="gauge"></i>${label}</span><strong class="mt-2 block text-2xl">${value}</strong></button>`).join("")}
      </div>`}
      ${payReminder}
      ${(() => {
          var d = [
            ['项目毛利', [m.profit_annual||0, m.profit_q2||0, m.profit_month||0, m.profit_prev_q||0, m.profit_prev_month||0],
              [m.profit_q2||0,m.profit_prev_q||0], [m.profit_month||0,m.profit_prev_month||0]],
            ['部门费用', [m.expense_annual||0, m.expense_q2||0, (m.expense_month||0), m.expense_prev_q||0, m.expense_prev_month||0],
              [m.expense_q2||0,m.expense_prev_q||0], [(m.expense_month||0),m.expense_prev_month||0]],
            ['部门净利', [
              (m.profit_annual||0)-(m.expense_annual||0), (m.profit_q2||0)-(m.expense_q2||0), (m.profit_month||0)-(m.expense_month||0),
              (m.profit_prev_q||0)-(m.expense_prev_q||0), (m.profit_prev_month||0)-(m.expense_prev_month||0)
            ], [
              (m.profit_q2||0)-(m.expense_q2||0), (m.profit_prev_q||0)-(m.expense_prev_q||0)
            ], [
              (m.profit_month||0)-(m.expense_month||0), (m.profit_prev_month||0)-(m.expense_prev_month||0)
            ]],
            ['项目现金流', [m.cashflow_annual||0, m.cashflow_q2||0, m.cashflow_month||0, m.cashflow_prev_q||0, m.cashflow_prev_month||0],
              [m.cashflow_q2||0,m.cashflow_prev_q||0], [m.cashflow_month||0,m.cashflow_prev_month||0]],
            ['部门费用流出', [m.expense_paid_annual||0, m.expense_paid_q2||0, m.expense_paid_month||0, m.expense_paid_prev_q||0, m.expense_paid_prev_month||0],
              [m.expense_paid_q2||0,m.expense_paid_prev_q||0], [m.expense_paid_month||0,m.expense_paid_prev_month||0]],
            ['部门现金流', [m.dept_cf_annual||0, m.dept_cf_q2||0, m.dept_cf_month||0, m.dept_cf_prev_q||0, m.dept_cf_prev_month||0],
              [m.dept_cf_q2||0,m.dept_cf_prev_q||0], [m.dept_cf_month||0,m.dept_cf_prev_month||0]]
          ];
          var buildDeptTable = function(title, dataRows) {
            var h = '';
            for (var di = 0; di < dataRows.length; di++) {
              var r = dataRows[di];
              var rawNet = r[1][0];
              var isNet = r[0] === '部门净利' || r[0] === '部门现金流';
              var isCF = r[0] === '项目现金流';
              var cls = isNet ? (rawNet >= 0 ? 'text-green-600' : 'text-red-600') : isCF ? (rawNet >= 0 ? 'text-green-600' : 'text-red-600') : 'text-slate-800';
              h += '<tr class="border-b border-slate-100 last:border-0"><td class="py-2 text-left font-semibold text-slate-700">' + r[0] + '</td>' +
                '<td class="py-2 text-right font-semibold ' + cls + '">' + moneyInt(r[1][0]) + '</td>' +
                '<td class="py-2 text-right font-semibold ' + cls + '">' + moneyInt(r[1][3]) + '</td>' +
                '<td class="py-2 text-right font-semibold ' + cls + '">' + moneyInt(r[1][4]) + '</td>' +
                '<td class="py-2 text-right font-semibold ' + cls + '">' + moneyInt(r[1][1]) + '</td>' +
                '<td class="py-2 text-right">' + qoq(r[2][0], r[2][1]) + '</td>' +
                '<td class="py-2 text-right font-semibold ' + cls + '">' + moneyInt(r[1][2]) + '</td>' +
                '<td class="py-2 text-right">' + qoq(r[3][0], r[3][1]) + '</td></tr>';
            }
            return card('<h3 class="text-sm font-bold text-slate-700 mb-3">' + title + '</h3><div class="overflow-x-auto"><table class="w-full text-sm"><thead><tr class="border-b border-slate-200"><th class="py-2 text-left text-slate-500">指标</th><th class="py-2 text-right font-semibold text-slate-700">年度累计</th><th class="py-2 text-right font-semibold text-slate-700">上季度累计</th><th class="py-2 text-right font-semibold text-slate-700">上月累计</th><th class="py-2 text-right font-semibold text-slate-700">本季度累计</th><th class="py-2 text-right font-semibold text-slate-400">季环比</th><th class="py-2 text-right font-semibold text-slate-700">本月累计</th><th class="py-2 text-right font-semibold text-slate-400">月环比</th></tr></thead><tbody>' + h + '</tbody></table></div>', 'p-4');
          };
          return buildDeptTable('部门经营情况', d.slice(0, 3)) + buildDeptTable('部门现金流', d.slice(3, 6));
        })()}
      ${card(`<h3 class="text-sm font-bold text-slate-700">业务（项目）财务概览</h3><p class="text-xs text-slate-400 mb-3">合同 → 确收 → 毛利 → 成本 → 项目利润 → 回款 → 已付 → 现金流</p><div class="overflow-x-auto"><table class="w-full text-sm"><thead>${thead}</thead><tbody>${tbody}</tbody></table></div>`, "p-4")}
      <div class="grid grid-cols-4 gap-5">
        ${card(`<div class="mb-3 flex items-center justify-between"><h2 class="text-sm font-bold text-slate-600">月度签约趋势</h2><span class="text-xs text-slate-400">2026</span></div><div style="position:relative;height:200px"><canvas id="chartSign"></canvas></div>`, "p-4")}
        ${card(`<div class="mb-3 flex items-center justify-between"><h2 class="text-sm font-bold text-slate-600">月度确收与毛利</h2><span class="text-xs text-slate-400">2026</span></div><div style="position:relative;height:200px"><canvas id="chartRev"></canvas></div>`, "p-4")}
        ${card(`<div class="mb-3 flex items-center justify-between"><h2 class="text-sm font-bold text-slate-600">月度回款与已付</h2><span class="text-xs text-slate-400">2026</span></div><div style="position:relative;height:200px"><canvas id="chartCash"></canvas></div>`, "p-4")}
        ${card(`<div class="mb-3 flex items-center justify-between"><h2 class="text-sm font-bold text-slate-600">月度项目利润</h2><span class="text-xs text-slate-400">2026</span></div><div style="position:relative;height:200px"><canvas id="chartProfit"></canvas></div>`, "p-4")}
      </div>
      ${card(`<h2 class="text-lg font-bold">近期动态</h2><div class="mt-4 grid gap-2">${summary.recent.map((r) => `<div class="flex items-start justify-between rounded-md bg-slate-50 px-3 py-2 text-sm group"><span class="break-words">${r.content}</span><div class="flex items-center gap-2 flex-shrink-0 ml-2"><span class="text-xs text-slate-400">${r.followed_at}</span><button class="btn btn-ghost btn-sm text-red-400 opacity-0 group-hover:opacity-100 p-0 w-5 h-5" onclick="event.preventDefault();deleteActivity(${r.id})" title="删除动态"><i data-lucide="trash-2" style="width:14px;height:14px"></i></button></div></div>`).join("")}</div>`, "p-5")}
    </div>
  `;
  renderCharts(financeMonthly);
}

function chartOptions(yCallback) {
  return {
    responsive: true,
    maintainAspectRatio: false,
    plugins: { legend: { position: "bottom", labels: { boxWidth: 12, font: { size: 11 } } } },
    scales: {
      x: { ticks: { font: { size: 10 } }, grid: { display: false } },
      y: { ticks: { font: { size: 11 }, callback: yCallback } },
    },
  };
}

const moneyTick = (v) => v >= 10000 ? (v / 10000).toFixed(0) + "万" : v;
const monthLabels = (data) => data.map((x) => parseInt(x.month.split("-")[1]) + "月");

function renderCharts(data) {
  const labels = monthLabels(data);
  const baseOpts = chartOptions(moneyTick);

  // 图1：月度签约
  const c1 = document.querySelector("#chartSign");
  if (c1 && window.Chart) {
    if (state.chart) state.chart.destroy();
    state.chart = new Chart(c1, {
      type: "line",
      data: { labels, datasets: [
        { label: "签约金额", data: data.map((x) => x.sign || 0), borderColor: "#6366f1", backgroundColor: "rgba(99,102,241,0.06)", fill: true, tension: 0.3 },
      ]},
      options: baseOpts,
    });
  }

  // 图2：月度确收与毛利
  const c2 = document.querySelector("#chartRev");
  if (c2 && window.Chart) {
    if (state.chart2) state.chart2.destroy();
    state.chart2 = new Chart(c2, {
      type: "line",
      data: { labels, datasets: [
        { label: "确收", data: data.map((x) => x.revenue || 0), borderColor: "#2563eb", backgroundColor: "rgba(37,99,235,0.06)", fill: true, tension: 0.3 },
        { label: "毛利", data: data.map((x) => x.gross || 0), borderColor: "#059669", backgroundColor: "rgba(5,150,105,0.06)", fill: true, tension: 0.3 },
      ]},
      options: baseOpts,
    });
  }

  // 图3：月度回款与已付
  const c3 = document.querySelector("#chartCash");
  if (c3 && window.Chart) {
    if (state.chart3) state.chart3.destroy();
    state.chart3 = new Chart(c3, {
      type: "line",
      data: { labels, datasets: [
        { label: "回款", data: data.map((x) => x.payment || 0), borderColor: "#d97706", backgroundColor: "rgba(217,119,6,0.06)", fill: true, tension: 0.3 },
        { label: "已付", data: data.map((x) => x.cost || 0), borderColor: "#7c3aed", backgroundColor: "rgba(124,58,237,0.06)", fill: true, tension: 0.3 },
      ]},
      options: baseOpts,
    });
  }

  // 图4：月度项目利润
  const c4 = document.querySelector("#chartProfit");
  if (c4 && window.Chart) {
    if (state.chart4) state.chart4.destroy();
    state.chart4 = new Chart(c4, {
      type: "line",
      data: { labels, datasets: [
        { label: "利润", data: data.map((x) => (x.gross || 0)), borderColor: "#6366f1", backgroundColor: "rgba(99,102,241,0.06)", fill: true, tension: 0.3 },
      ]},
      options: baseOpts,
    });
  }
}