{{define "content"}}
{{$d := .}}
{{$change := sub $d.ThisMonth.TotalCents $d.LastMonth.TotalCents}}
<h1 style="margin-bottom:24px;">Dashboard</h1>

<!-- Summary cards -->
<div class="grid" style="grid-template-columns:repeat(auto-fit,minmax(200px,1fr));">
  <div class="card value-card animate-on-scroll">
    <h2>This Month (Net)</h2>
    <div class="value {{if lt $d.ThisMonth.TotalCents 0}}negative{{else}}positive{{end}} animate-counter"
         data-target="{{$d.ThisMonth.TotalCents}}" data-prefix="€">€0</div>
  </div>
  <div class="card value-card animate-on-scroll">
    <h2>Income</h2>
    <div class="value positive animate-counter"
         data-target="{{$d.ThisMonthIncome}}" data-prefix="€">€0</div>
  </div>
  <div class="card value-card animate-on-scroll">
    <h2>Expenses</h2>
    <div class="value negative animate-counter"
         data-target="{{$d.ThisMonthExpense}}" data-prefix="€">€0</div>
  </div>
  <div class="card value-card animate-on-scroll">
    <h2>vs Last Month</h2>
    <div class="value {{if lt $change 0}}negative{{else}}positive{{end}} animate-counter"
         data-target="{{$change}}" data-prefix="€">€0</div>
  </div>
</div>

<!-- Charts row -->
<div class="grid" style="grid-template-columns:1fr 1fr;">
  <div class="card animate-on-scroll">
    <h2>Spending by Category (This Month)</h2>
    {{if $d.ThisMonth.ByCategory}}
    <canvas id="thisMonthChart" height="220"></canvas>
    {{else}}
    <div class="empty-state" style="padding:32px;">No spending data this month.</div>
    {{end}}
  </div>
  <div class="card animate-on-scroll">
    <h2>Balance Trend (90 days)</h2>
    {{if $d.BalanceTrend}}
    <canvas id="balanceChart" height="220"></canvas>
    {{else}}
    <div class="empty-state" style="padding:32px;">No transactions yet. <a href="/import">Import some!</a></div>
    {{end}}
  </div>
</div>

<!-- Budget progress -->
{{if $d.CategoryBudgets}}
<div class="card animate-on-scroll">
  <h2 style="margin-bottom:16px;">Budget vs Actual (This Month)</h2>
  <div style="display:flex; flex-direction:column; gap:14px;">
    {{range $cat, $budget := $d.CategoryBudgets}}
    {{$spent := index $d.ThisMonth.ByCategory $cat}}
    {{$color := index $d.CategoryColors $cat}}
    {{$spentAbs := centsAbs $spent}}
    <div>
      <div style="display:flex; justify-content:space-between; align-items:baseline; margin-bottom:5px;">
        <span style="font-size:14px; font-weight:500; display:flex; align-items:center; gap:6px;">
          {{if $color}}<span style="width:9px;height:9px;border-radius:50%;background:{{$color}};display:inline-block;"></span>{{end}}
          {{$cat}}
        </span>
        <span style="font-size:13px; color:#666;">
          €{{cents $spentAbs}} <span style="color:#aaa;">/ €{{cents $budget}}</span>
        </span>
      </div>
      <div style="background:#f0f0f0; border-radius:6px; height:8px; overflow:hidden;">
        <div style="height:100%; border-radius:6px; width:{{clampPct $spentAbs $budget}}%; transition:width 0.8s ease;
             background:{{if isOver $spentAbs $budget}}#f44336{{else if $color}}{{$color}}{{else}}#3949ab{{end}};"></div>
      </div>
    </div>
    {{end}}
  </div>
  <p class="text-muted" style="margin-top:12px;">Set budgets in <a href="/categories">Categories</a>.</p>
</div>
{{end}}

<!-- Recent transactions -->
<div class="card animate-on-scroll">
  <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;">
    <h2>Recent Transactions</h2>
    <a href="/transactions" class="btn btn-outline btn-sm">View all</a>
  </div>
  <div class="table-wrap">
    <table>
      <thead>
        <tr>
          <th>Date</th>
          <th>Description</th>
          <th>Category</th>
          <th class="text-right">Amount</th>
        </tr>
      </thead>
      <tbody>
        {{range $d.RecentTxns}}
        {{$color := index $d.CategoryColors .Category}}
        <tr>
          <td style="white-space:nowrap;">{{dateShort .Date}}</td>
          <td style="max-width:280px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;">{{.Description}}</td>
          <td>
            <span style="display:inline-flex; align-items:center; gap:5px; padding:2px 10px; border-radius:12px; font-size:12px; font-weight:500;
                         background:{{if $color}}{{$color}}22{{else}}#e0e0e0{{end}};
                         color:{{if $color}}{{$color}}{{else}}#555{{end}};
                         border:1px solid {{if $color}}{{$color}}44{{else}}#ccc{{end}};">
              {{if $color}}<span style="width:7px;height:7px;border-radius:50%;background:{{$color}};"></span>{{end}}
              {{.Category}}
            </span>
          </td>
          <td class="cents {{if lt .AmountCents 0}}negative{{else}}positive{{end}}" style="white-space:nowrap;">
            {{if lt .AmountCents 0}}−{{else}}+{{end}}€{{cents (centsAbs .AmountCents)}}
          </td>
        </tr>
        {{else}}
        <tr><td colspan="4" class="text-center text-muted" style="padding:32px;">No transactions yet. <a href="/import">Import some!</a></td></tr>
        {{end}}
      </tbody>
    </table>
  </div>
</div>

<script>
const barColors = ['#FF6384','#36A2EB','#FFCE56','#4BC0C0','#9966FF','#FF9F40','#C9CBCF','#00E676','#651FFF','#FF6F00','#E91E63','#607D8B','#3F51B5','#9E9E9E'];
const catColors = { {{range $k,$v := $d.CategoryColors}}"{{$k}}":"{{$v}}",{{end}} };

{{if $d.ThisMonth.ByCategory}}
const thisMonthLabels = {{jsonKeys $d.ThisMonth.ByCategory}};
const thisMonthData = {{jsonVals $d.ThisMonth.ByCategory}};
const resolvedColors = thisMonthLabels.map((k,i) => catColors[k] || barColors[i % barColors.length]);
new Chart(document.getElementById('thisMonthChart'), {
  type: 'bar',
  data: {
    labels: thisMonthLabels,
    datasets: [{
      label: 'Amount (€)',
      data: thisMonthData.map(v => Math.abs(v) / 100),
      backgroundColor: resolvedColors.map(c => c + 'cc'),
      borderColor: resolvedColors,
      borderWidth: 1,
      borderRadius: 5,
      borderSkipped: false,
    }]
  },
  options: {
    responsive: true,
    animation: { duration: 1000, easing: 'easeOutQuart' },
    plugins: { legend: { display: false } },
    scales: {
      y: { beginAtZero: true, grid: { color: 'rgba(0,0,0,0.05)' }, ticks: { callback: v => '€' + v } },
      x: { grid: { display: false } }
    }
  }
});
{{end}}

{{if $d.BalanceTrend}}
const grad = document.createElement('canvas').getContext('2d').createLinearGradient(0,0,0,300);
grad.addColorStop(0, 'rgba(57,73,171,0.35)');
grad.addColorStop(0.6, 'rgba(57,73,171,0.1)');
grad.addColorStop(1, 'rgba(57,73,171,0.01)');
new Chart(document.getElementById('balanceChart'), {
  type: 'line',
  data: {
    labels: [{{range $d.BalanceTrend}}"{{dateShort .Date}}",{{end}}],
    datasets: [{
      label: 'Balance (€)',
      data: [{{range $d.BalanceTrend}}{{div .Cents 100}},{{end}}],
      borderColor: '#3949ab',
      backgroundColor: grad,
      fill: true,
      tension: 0.4,
      pointRadius: 0,
      pointHoverRadius: 5,
      pointBackgroundColor: '#fff',
      pointBorderColor: '#3949ab',
      pointBorderWidth: 2,
    }]
  },
  options: {
    responsive: true,
    animation: { duration: 1200, easing: 'easeOutQuart' },
    plugins: { legend: { display: false } },
    scales: {
      y: { beginAtZero: false, grid: { color: 'rgba(0,0,0,0.05)' }, ticks: { callback: v => '€' + v } },
      x: { grid: { display: false }, ticks: { maxTicksLimit: 8 } }
    },
    interaction: { intersect: false, mode: 'index' }
  }
});
{{end}}
</script>
{{end}}