{% extends "base.html" %}
{% block title %}Risk Calculator{% endblock %}

{% block content %}
<div x-data="riskCalculatorPanel()" x-init="fetchData()" class="space-y-5">
    <!-- Header -->
    <div class="flex items-center justify-between flex-wrap gap-3">
        <div class="flex items-center gap-3">
            <a href="{{ tools_base }}/" class="text-gray-500 hover:text-gray-300 transition">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"/></svg>
            </a>
            <div>
                <h1 class="text-2xl font-bold text-white flex items-center gap-2">
                    <svg class="w-6 h-6 text-sky-400" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M15.75 15.75V18m-7.5-6.75V18m7.5-9V18M4.5 19.5h15a2.25 2.25 0 002.25-2.25V6.75A2.25 2.25 0 0019.5 4.5h-15A2.25 2.25 0 002.25 6.75v10.5A2.25 2.25 0 004.5 19.5z"/></svg>
                    Risk Calculator
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Hitung position sizing, risk/reward, dan potensi profit per aset berdasarkan modal &amp; toleransi risiko.</p>
            </div>
        </div>
        <button @click="fetchData()" :disabled="loading"
                class="flex items-center gap-2 px-4 py-2 text-sm font-medium rounded-lg transition"
                :class="loading ? 'bg-gray-800 text-gray-500 cursor-not-allowed' : 'bg-sky-600 hover:bg-sky-700 text-white'">
            <svg :class="loading && 'animate-spin'" class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/></svg>
            <span x-text="loading ? 'Loading...' : 'Refresh'"></span>
        </button>
    </div>

    <!-- Capital Input Section -->
    <div class="glass rounded-xl border border-sky-800/60 p-5">
        <div class="flex flex-wrap items-end gap-4">
            <!-- Capital -->
            <div class="flex-1 min-w-[180px]">
                <label class="block text-xs text-gray-400 uppercase tracking-wider mb-1.5">Modal (IDR)</label>
                <div class="relative">
                    <span class="absolute left-3 top-1/2 -translate-y-1/2 text-gray-500 text-sm">Rp</span>
                    <input type="number" x-model.number="capital" min="100000" step="100000"
                           class="w-full bg-gray-800 border border-gray-700 rounded-lg pl-10 pr-3 py-2.5 text-sm text-white placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-sky-500 focus:border-sky-500 transition">
                </div>
            </div>
            <!-- Risk % -->
            <div class="w-32">
                <label class="block text-xs text-gray-400 uppercase tracking-wider mb-1.5">Risk %</label>
                <input type="number" x-model.number="riskPct" min="0.5" max="10" step="0.5"
                       class="w-full bg-gray-800 border border-gray-700 rounded-lg px-3 py-2.5 text-sm text-white placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-sky-500 focus:border-sky-500 transition">
            </div>
            <!-- Recalculate Button -->
            <button @click="fetchData()" :disabled="loading"
                    class="px-5 py-2.5 text-sm font-medium rounded-lg transition bg-sky-600 hover:bg-sky-700 text-white disabled:opacity-50 disabled:cursor-not-allowed">
                Hitung Ulang
            </button>
            <!-- Max Risk Display -->
            <div class="flex items-center gap-2 px-4 py-2.5 bg-sky-900/30 border border-sky-800/50 rounded-lg">
                <span class="text-xs text-sky-300">Max Risk:</span>
                <span class="text-sm font-bold text-sky-400" x-text="formatIDR(maxRisk)"></span>
            </div>
        </div>
    </div>

    <!-- Stats Cards -->
    <div class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-3">
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Total Posisi</p>
            <p class="text-xl font-bold text-white mt-1" x-text="total"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Best R:R</p>
            <p class="text-xl font-bold text-sky-400 mt-1" x-text="stats.bestRR != null ? stats.bestRR.toFixed(1) + 'x' : '-'"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Avg R:R</p>
            <p class="text-xl font-bold text-sky-400 mt-1" x-text="stats.avgRR != null ? stats.avgRR.toFixed(1) + 'x' : '-'"></p>
        </div>
        <div class="glass rounded-xl border border-emerald-800/40 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Low Risk</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.lowCount"></p>
        </div>
        <div class="glass rounded-xl border border-amber-800/40 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Moderate</p>
            <p class="text-xl font-bold text-amber-400 mt-1" x-text="stats.moderateCount"></p>
        </div>
        <div class="glass rounded-xl border border-red-800/40 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">High Risk</p>
            <p class="text-xl font-bold text-red-400 mt-1" x-text="stats.highCount"></p>
        </div>
    </div>

    <!-- Filters & Sort -->
    <div class="flex flex-wrap items-center gap-2">
        <!-- Sort -->
        <select x-model="sortBy" @change="fetchData()"
                class="bg-gray-800 border border-gray-700 rounded-lg px-3 py-1.5 text-sm text-gray-300 focus:outline-none focus:ring-1 focus:ring-sky-500">
            <option value="rr_ratio">R:R Ratio Tertinggi</option>
            <option value="profit">Profit Terbesar</option>
            <option value="risk_level">Risk Level</option>
        </select>

        <!-- Asset Type -->
        <select x-model="filters.asset_type" @change="fetchData()"
                class="bg-gray-800 border border-gray-700 rounded-lg px-3 py-1.5 text-sm text-gray-300 focus:outline-none focus:ring-1 focus:ring-sky-500">
            <option value="all">Semua Aset</option>
            <option value="crypto">Kripto</option>
            <option value="stock">Saham IDX</option>
            <option value="stock_us">Saham US</option>
        </select>

        <!-- Search -->
        <div class="relative flex-1 min-w-[160px]">
            <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/></svg>
            <input type="text" x-model="searchQ" @input.debounce.300ms="fetchData()"
                   placeholder="Cari koin/saham..."
                   class="w-full bg-gray-800 border border-gray-700 rounded-lg pl-9 pr-3 py-1.5 text-sm text-gray-300 placeholder-gray-500 focus:outline-none focus:ring-1 focus:ring-sky-500">
        </div>
    </div>

    <!-- Loading State -->
    <div x-show="loading" x-cloak class="text-center py-12">
        <svg class="animate-spin h-8 w-8 text-sky-500 mx-auto" fill="none" viewBox="0 0 24 24">
            <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
            <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"></path>
        </svg>
        <p class="text-gray-500 text-sm mt-3">Menghitung risk &amp; position sizing...</p>
    </div>

    <!-- Empty State -->
    <div x-show="!loading && items.length === 0" x-cloak
         class="text-center py-16 glass rounded-xl border border-gray-800">
        <svg class="mx-auto h-12 w-12 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M15.75 15.75V18m-7.5-6.75V18m7.5-9V18M4.5 19.5h15a2.25 2.25 0 002.25-2.25V6.75A2.25 2.25 0 0019.5 4.5h-15A2.25 2.25 0 002.25 6.75v10.5A2.25 2.25 0 004.5 19.5z"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Signal Aktif</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Diperlukan signal trading aktif terlebih dahulu. Jalankan scan di
            <a href="/market/screener" class="text-sky-400 hover:text-sky-300">Market Screener</a>
            untuk menghasilkan entry/SL/TP.
        </p>
    </div>

    <!-- Position Cards Grid -->
    <div x-show="!loading && items.length > 0" x-cloak class="grid grid-cols-1 lg:grid-cols-2 gap-4">
        <template x-for="(item, idx) in items" :key="item.asset_id">
            <div class="glass rounded-xl border overflow-hidden transition cursor-pointer"
                 :class="riskBorder(item.risk_level) + ' hover:border-sky-700/60'"
                 :style="'animation-delay: ' + (idx * 50) + 'ms'"
                 @click="expandCoin(item.asset_id)">

                <!-- Card Header -->
                <div class="p-4 pb-3">
                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-3">
                            <!-- Coin Icon -->
                            <img :src="item.icon_thumb_url || (item.asset_type==='stock' && item.symbol ? __stockIconUrl(item.symbol) : '')"
                                 :data-symbol="item.symbol"
                                 class="w-10 h-10 rounded-full" loading="lazy"
                                 onerror="__iconError(this)"
                                 x-show="item.icon_thumb_url || item.asset_type==='stock'">
                            <span x-show="!item.icon_thumb_url && item.asset_type!=='stock'"
                                  class="w-10 h-10 rounded-full bg-gray-700 flex items-center justify-center text-sm text-gray-400"
                                  x-text="(item.symbol || '?')[0].toUpperCase()"></span>
                            <div>
                                <div class="flex items-center gap-2">
                                    <a :href="'/market/asset/' + item.asset_id" @click.stop
                                       class="text-white font-semibold hover:text-sky-400 transition" x-text="item.name"></a>
                                    <span class="text-xs text-gray-500 font-mono" x-text="item.symbol"></span>
                                </div>
                                <div class="flex items-center gap-2 mt-0.5">
                                    <span class="text-[10px] px-1.5 py-0.5 rounded-full border font-medium uppercase"
                                          :class="riskColor(item.risk_level)"
                                          x-text="item.risk_level"></span>
                                    <span class="text-[10px] text-gray-600" x-text="item.signal_source === 'trading_signal' ? 'Signal' : item.signal_source"></span>
                                </div>
                            </div>
                        </div>
                        <!-- R:R Badge -->
                        <div class="text-right flex-shrink-0">
                            <div class="text-lg font-bold text-sky-400" x-text="'R:R ' + (item.risk_reward_ratio != null ? item.risk_reward_ratio.toFixed(1) + 'x' : '-')"></div>
                            <div class="text-[10px] text-gray-500" x-text="'Lot: ' + (item.lot_size || 1)"></div>
                        </div>
                    </div>
                </div>

                <!-- Price Levels -->
                <div class="px-4 py-2 border-t border-gray-800/60 space-y-1">
                    <div class="flex items-center justify-between text-sm">
                        <span class="text-gray-500">Entry</span>
                        <span class="text-white font-mono" x-text="formatIDR(item.entry_price)"></span>
                    </div>
                    <div class="flex items-center justify-between text-sm">
                        <span class="text-red-400">Stop Loss</span>
                        <div class="flex items-center gap-2">
                            <span class="text-white font-mono" x-text="formatIDR(item.stop_loss)"></span>
                            <span class="text-red-400 text-xs" x-text="item.sl_distance_pct != null ? formatPct(item.sl_distance_pct) : ''"></span>
                        </div>
                    </div>
                    <div class="flex items-center justify-between text-sm">
                        <span class="text-emerald-400">TP1</span>
                        <div class="flex items-center gap-2">
                            <span class="text-white font-mono" x-text="formatIDR(item.take_profit_1)"></span>
                            <span class="text-emerald-400 text-xs" x-text="item.tp1_distance_pct != null ? formatPct(item.tp1_distance_pct) : ''"></span>
                        </div>
                    </div>
                </div>

                <!-- Position Size & Risk/Profit -->
                <div class="px-4 py-2.5 border-t border-gray-800/60">
                    <div class="flex items-center justify-between text-sm mb-1.5">
                        <span class="text-gray-500">Ukuran Posisi</span>
                        <span class="text-white font-semibold" x-text="formatIDR(item.position_size_idr)"></span>
                    </div>
                    <div class="flex items-center justify-between gap-4">
                        <div class="flex items-center gap-1.5">
                            <svg class="w-3.5 h-3.5 text-red-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 14l-7 7m0 0l-7-7m7 7V3"/></svg>
                            <span class="text-sm text-red-400 font-medium" x-text="formatIDR(item.potential_loss_idr)"></span>
                        </div>
                        <div class="flex items-center gap-1.5">
                            <svg class="w-3.5 h-3.5 text-emerald-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 10l7-7m0 0l7 7m-7-7v18"/></svg>
                            <span class="text-sm text-emerald-400 font-medium" x-text="'+' + formatIDR(item.potential_profit_idr)"></span>
                        </div>
                    </div>
                </div>

                <!-- Expanded Detail (loaded from detail API) -->
                <template x-if="expandedCoin === item.asset_id">
                    <div class="border-t border-sky-800/40 bg-sky-950/20">
                        <!-- Detail Loading -->
                        <div x-show="detailLoading" class="flex items-center justify-center py-4">
                            <svg class="animate-spin h-5 w-5 text-sky-500" fill="none" viewBox="0 0 24 24">
                                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"></path>
                            </svg>
                        </div>

                        <!-- Detail Content -->
                        <div x-show="!detailLoading && coinDetail" x-cloak class="p-4 space-y-3">
                            <!-- TP2 & TP3 -->
                            <div class="space-y-1">
                                <div class="flex items-center justify-between text-sm" x-show="coinDetail.take_profit_2">
                                    <span class="text-emerald-400">TP2</span>
                                    <div class="flex items-center gap-2">
                                        <span class="text-white font-mono" x-text="formatIDR(coinDetail.take_profit_2)"></span>
                                        <span class="text-emerald-400 text-xs" x-text="formatPct(coinDetail.tp2_distance_pct)"></span>
                                    </div>
                                </div>
                                <div class="flex items-center justify-between text-sm" x-show="coinDetail.take_profit_3">
                                    <span class="text-emerald-400">TP3</span>
                                    <div class="flex items-center gap-2">
                                        <span class="text-white font-mono" x-text="formatIDR(coinDetail.take_profit_3)"></span>
                                        <span class="text-emerald-400 text-xs" x-text="formatPct(coinDetail.tp3_distance_pct)"></span>
                                    </div>
                                </div>
                            </div>

                            <!-- R:R Ratios Grid -->
                            <div class="grid grid-cols-3 gap-2">
                                <div class="bg-sky-900/20 border border-sky-800/40 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">R:R TP1</p>
                                    <p class="text-sm font-bold text-sky-400" x-text="coinDetail.risk_reward_ratio != null ? coinDetail.risk_reward_ratio.toFixed(1) + 'x' : '-'"></p>
                                </div>
                                <div class="bg-sky-900/20 border border-sky-800/40 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">R:R TP2</p>
                                    <p class="text-sm font-bold text-sky-400" x-text="coinDetail.rr_tp2 != null ? coinDetail.rr_tp2.toFixed(1) + 'x' : '-'"></p>
                                </div>
                                <div class="bg-sky-900/20 border border-sky-800/40 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">R:R TP3</p>
                                    <p class="text-sm font-bold text-sky-400" x-text="coinDetail.rr_tp3 != null ? coinDetail.rr_tp3.toFixed(1) + 'x' : '-'"></p>
                                </div>
                            </div>

                            <!-- Profit per TP -->
                            <div class="grid grid-cols-3 gap-2">
                                <div class="bg-emerald-900/10 border border-emerald-800/30 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">Profit TP1</p>
                                    <p class="text-sm font-bold text-emerald-400" x-text="'+' + formatIDR(coinDetail.potential_profit_tp1)"></p>
                                </div>
                                <div class="bg-emerald-900/10 border border-emerald-800/30 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">Profit TP2</p>
                                    <p class="text-sm font-bold text-emerald-400" x-text="'+' + formatIDR(coinDetail.potential_profit_tp2)"></p>
                                </div>
                                <div class="bg-emerald-900/10 border border-emerald-800/30 rounded-lg p-2 text-center">
                                    <p class="text-[10px] text-gray-500 uppercase">Profit TP3</p>
                                    <p class="text-sm font-bold text-emerald-400" x-text="'+' + formatIDR(coinDetail.potential_profit_tp3)"></p>
                                </div>
                            </div>

                            <!-- Position Units & Meta -->
                            <div class="flex flex-wrap items-center gap-3 text-xs text-gray-500">
                                <span x-show="coinDetail.position_size_units">
                                    Ukuran: <span class="text-white" x-text="coinDetail.position_size_units + ' ' + coinDetail.symbol"></span>
                                </span>
                                <span x-show="coinDetail.safety_rating">
                                    Safety: <span class="font-medium" :class="{
                                        'text-emerald-400': coinDetail.safety_rating === 'SAFE',
                                        'text-amber-400': coinDetail.safety_rating === 'MODERATE',
                                        'text-red-400': coinDetail.safety_rating === 'RISKY' || coinDetail.safety_rating === 'DANGEROUS'
                                    }" x-text="coinDetail.safety_rating"></span>
                                </span>
                                <span x-show="coinDetail.confidence">
                                    Confidence: <span class="text-white" x-text="coinDetail.confidence"></span>
                                </span>
                            </div>

                            <!-- Warnings -->
                            <template x-if="coinDetail.warnings && coinDetail.warnings.length > 0">
                                <div class="space-y-1">
                                    <template x-for="(warn, wi) in coinDetail.warnings" :key="wi">
                                        <div class="flex items-start gap-2 px-3 py-2 bg-amber-900/20 border border-amber-800/40 rounded-lg">
                                            <svg class="w-4 h-4 text-amber-400 mt-0.5 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"/>
                                            </svg>
                                            <span class="text-xs text-amber-300" x-text="warn"></span>
                                        </div>
                                    </template>
                                </div>
                            </template>
                        </div>
                    </div>
                </template>

                <!-- Warnings (overview level, if present) -->
                <template x-if="item.warnings && item.warnings.length > 0 && expandedCoin !== item.asset_id">
                    <div class="px-4 py-2 border-t border-gray-800/60">
                        <template x-for="(warn, wi) in item.warnings" :key="wi">
                            <div class="flex items-center gap-1.5">
                                <svg class="w-3.5 h-3.5 text-amber-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"/>
                                </svg>
                                <span class="text-[11px] text-amber-300/80 truncate" x-text="warn"></span>
                            </div>
                        </template>
                    </div>
                </template>

                <!-- Expand Indicator -->
                <div class="flex items-center justify-center py-1.5 border-t border-gray-800/40">
                    <svg class="w-4 h-4 text-gray-600 transition-transform" :class="expandedCoin === item.asset_id && 'rotate-180'" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"/></svg>
                </div>
            </div>
        </template>
    </div>

    <!-- Load More -->
    <div x-show="!loading && hasMore" x-cloak class="text-center pt-2">
        <button @click="loadMore()" :disabled="loadingMore"
                class="inline-flex items-center gap-2 px-6 py-2.5 text-sm font-medium rounded-lg transition"
                :class="loadingMore ? 'bg-gray-800 text-gray-500 cursor-not-allowed' : 'bg-gray-800 hover:bg-gray-700 text-gray-300 border border-gray-700 hover:border-gray-600'">
            <svg x-show="loadingMore" x-cloak class="animate-spin w-4 h-4" fill="none" viewBox="0 0 24 24">
                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"></path>
            </svg>
            <span x-text="loadingMore ? 'Memuat...' : 'Muat Lebih Banyak (' + items.length + '/' + total + ')'"></span>
        </button>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function riskCalculatorPanel() {
    return {
        items: [],
        loading: false,
        loadingMore: false,
        total: 0,
        hasMore: false,
        page: 1,
        capital: 1000000,
        riskPct: 2.0,
        filters: { asset_type: '{{ asset_mode }}' },
        sortBy: 'rr_ratio',
        searchQ: '',
        expandedCoin: null,
        coinDetail: null,
        detailLoading: false,
        stats: {
            bestRR: null,
            avgRR: null,
            lowCount: 0,
            moderateCount: 0,
            highCount: 0
        },

        get maxRisk() {
            return this.capital * this.riskPct / 100;
        },

        computeStats() {
            if (!this.items.length) {
                this.stats = { bestRR: null, avgRR: null, lowCount: 0, moderateCount: 0, highCount: 0 };
                return;
            }
            let best = 0, sum = 0, low = 0, mod = 0, high = 0;
            this.items.forEach(it => {
                const rr = it.risk_reward_ratio || 0;
                if (rr > best) best = rr;
                sum += rr;
                const lvl = (it.risk_level || '').toLowerCase();
                if (lvl === 'low') low++;
                else if (lvl === 'moderate') mod++;
                else high++;
            });
            this.stats = {
                bestRR: best || null,
                avgRR: this.items.length ? sum / this.items.length : null,
                lowCount: low,
                moderateCount: mod,
                highCount: high
            };
        },

        async fetchData() {
            this.page = 1;
            this.loading = true;
            this.expandedCoin = null;
            this.coinDetail = null;
            try {
                const params = new URLSearchParams({
                    sort: this.sortBy,
                    limit: 20,
                    page: 1,
                    q: this.searchQ,
                    asset_type: this.filters.asset_type,
                    capital: this.capital,
                    risk: this.riskPct
                });
                const res = await fetch('/api/v1/market/screener/risk-calculator?' + params);
                const data = await res.json();
                this.items = data.items || [];
                this.total = data.total || 0;
                this.hasMore = data.has_more || false;
                this.computeStats();
            } catch (e) {
                console.error('Risk calculator fetch error:', e);
            } finally {
                this.loading = false;
            }
        },

        async loadMore() {
            if (this.loadingMore || !this.hasMore) return;
            this.loadingMore = true;
            this.page++;
            try {
                const params = new URLSearchParams({
                    sort: this.sortBy,
                    limit: 20,
                    page: this.page,
                    q: this.searchQ,
                    asset_type: this.filters.asset_type,
                    capital: this.capital,
                    risk: this.riskPct
                });
                const res = await fetch('/api/v1/market/screener/risk-calculator?' + params);
                const data = await res.json();
                const newItems = data.items || [];
                this.items = this.items.concat(newItems);
                this.total = data.total || this.total;
                this.hasMore = data.has_more || false;
                this.computeStats();
            } catch (e) {
                console.error('Risk calculator loadMore error:', e);
                this.page--;
            } finally {
                this.loadingMore = false;
            }
        },

        async expandCoin(coinId) {
            if (this.expandedCoin === coinId) {
                this.expandedCoin = null;
                this.coinDetail = null;
                return;
            }
            this.expandedCoin = coinId;
            this.coinDetail = null;
            this.detailLoading = true;
            try {
                const res = await fetch('/api/v1/market/screener/risk-calculator/' + encodeURIComponent(coinId) + '?capital=' + this.capital + '&risk=' + this.riskPct);
                this.coinDetail = await res.json();
            } catch (e) {
                console.error('Risk calculator detail error:', e);
            } finally {
                this.detailLoading = false;
            }
        },

        riskColor(level) {
            const map = {
                low: 'text-emerald-400 bg-emerald-900/30 border-emerald-800',
                moderate: 'text-amber-400 bg-amber-900/30 border-amber-800',
                high: 'text-red-400 bg-red-900/30 border-red-800',
                extreme: 'text-rose-400 bg-rose-900/30 border-rose-800'
            };
            return map[(level || '').toLowerCase()] || 'text-gray-400 bg-gray-900/30 border-gray-800';
        },

        riskBorder(level) {
            const map = {
                low: 'border-emerald-800/60',
                moderate: 'border-amber-800/60',
                high: 'border-red-800/60',
                extreme: 'border-rose-800/60'
            };
            return map[(level || '').toLowerCase()] || 'border-gray-800';
        },

        formatIDR(n) {
            if (n == null) return '-';
            return 'Rp ' + new Intl.NumberFormat('id-ID').format(Math.round(n));
        },

        formatPct(n) {
            if (n == null) return '-';
            return (n >= 0 ? '+' : '') + n.toFixed(2) + '%';
        }
    };
}
</script>
{% endblock %}