{% extends "base.html" %}
{% block title %}Rekomendasi Beli{% endblock %}

{% block content %}
<div x-data="buyRecommendations()" 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="/market/assets" 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">Rekomendasi Beli Sekarang</h1>
                <p class="text-sm text-gray-500 mt-0.5">Profit kecil, berkali-kali, realistis. Sudah dipotong slippage, toleransi entry, dan safety haircut.</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-koin-600 hover:bg-koin-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>

    <!-- Stats Summary -->
    <div class="grid grid-cols-2 md:grid-cols-4 gap-3">
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Total Rekomendasi</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">Avg Success Rate</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.avgSuccess.toFixed(0) + '%'"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Avg EV Harian</p>
            <p class="text-xl font-bold mt-1" :class="stats.avgDailyEV > 0 ? 'text-emerald-400' : 'text-gray-500'"
               x-text="'Rp ' + formatNumber(stats.avgDailyEV)"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">SAFE Count</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.safeCount"></p>
        </div>
    </div>

    <!-- Filters & Sort -->
    <div class="flex flex-wrap items-center gap-2">
        <!-- Safety Filter -->
        <select x-model="filters.safety" @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-koin-500">
            <option value="all">Semua Safety</option>
            <option value="safe">SAFE Only</option>
        </select>

        <!-- Min Success Rate -->
        <select x-model="filters.min_success" @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-koin-500">
            <option value="0">Min Success: Semua</option>
            <option value="50">Min 50%</option>
            <option value="60">Min 60%</option>
            <option value="70">Min 70%</option>
            <option value="80">Min 80%</option>
        </select>

        <!-- Min Cycles/Day -->
        <select x-model="filters.min_cpd" @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-koin-500">
            <option value="0">Min Cycle: Semua</option>
            <option value="0.25">Min 0.25/hari</option>
            <option value="0.5">Min 0.5/hari</option>
            <option value="1">Min 1/hari</option>
        </select>

        <!-- Capital -->
        <select x-model="capital" @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-koin-500">
            <option value="500000">Modal: Rp 500rb</option>
            <option value="1000000">Modal: Rp 1jt</option>
            <option value="2000000">Modal: Rp 2jt</option>
            <option value="5000000">Modal: Rp 5jt</option>
            <option value="10000000">Modal: Rp 10jt</option>
        </select>

        <!-- 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-koin-500">
            <option value="score">Probabilitas Tertinggi</option>
            <option value="daily_ev">EV Harian Tertinggi</option>
            <option value="fastest">Siklus Tercepat</option>
            <option value="safest">Paling Aman</option>
            <option value="success_rate">Success Rate Tertinggi</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..."
                   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-koin-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-koin-500 mx-auto" xmlns="http://www.w3.org/2000/svg" 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">Menganalisis rekomendasi...</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="M9.663 17h4.673M12 3v1m6.364 1.636l-.707.707M21 12h-1M4 12H3m3.343-5.657l-.707-.707m2.828 9.9a5 5 0 117.072 0l-.548.547A3.374 3.374 0 0014 18.469V19a2 2 0 11-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547z"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Rekomendasi</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Jalankan scan di <a href="/market/screener?tab=range_trading" class="text-koin-400 hover:text-koin-300">Market Screener &rarr; Range Trading</a>
            terlebih dahulu untuk menghasilkan data siklus dan profitabilitas.
        </p>
    </div>

    <!-- Recommendation 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 border-gray-800 hover:border-gray-700 transition overflow-hidden animate-fadeIn"
                 :style="'animation-delay: ' + (idx * 50) + 'ms'">
                <!-- Card Header -->
                <div class="p-4 pb-3">
                    <div class="flex items-center justify-between">
                        <a :href="'/market/asset/' + item.asset_id + '?tab=range_trading'" class="flex items-center gap-3 group">
                            <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 flex-shrink-0" 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 flex-shrink-0" x-text="(item.symbol || '?')[0].toUpperCase()"></span>
                            <div>
                                <span class="text-white font-semibold group-hover:text-koin-400 transition" x-text="item.name"></span>
                                <div class="flex items-center gap-2 mt-0.5">
                                    <span class="text-xs text-gray-500 font-mono" x-text="item.symbol.toUpperCase()"></span>
                                    <span class="text-xs px-1.5 py-0.5 rounded font-medium"
                                          :class="item.safety === 'SAFE' ? 'bg-emerald-900/50 text-emerald-400' :
                                                  item.safety === 'MODERATE' ? 'bg-yellow-900/50 text-yellow-400' :
                                                  'bg-red-900/50 text-red-400'"
                                          x-text="item.safety"></span>
                                    <span class="text-xs px-1.5 py-0.5 rounded font-medium border"
                                          :class="{
                                              'bg-emerald-900/30 text-emerald-400 border-emerald-800/50': item.confidence_label === 'Sangat Yakin',
                                              'bg-cyan-900/30 text-cyan-400 border-cyan-800/50': item.confidence_label === 'Cukup Yakin',
                                              'bg-amber-900/30 text-amber-400 border-amber-800/50': item.confidence_label === 'Perlu Hati-hati',
                                              'bg-red-900/30 text-red-400 border-red-800/50': item.confidence_label === 'Kurang Data' || item.confidence_label === 'Tanpa Data Range',
                                          }"
                                          x-text="item.confidence_label"></span>
                                </div>
                            </div>
                        </a>
                        <!-- Score Badge -->
                        <div class="text-right">
                            <div class="text-2xl font-bold tabular-nums"
                                 :class="item.buy_score >= 60 ? 'text-emerald-400' :
                                         item.buy_score >= 35 ? 'text-yellow-400' : 'text-gray-400'"
                                 x-text="item.buy_score.toFixed(1)"></div>
                            <div class="text-[10px] text-gray-600 uppercase tracking-wider">Buy Score</div>
                        </div>
                    </div>
                    <!-- Price Row -->
                    <div class="flex items-center justify-between mt-2 text-sm">
                        <span class="text-gray-400" x-text="item.current_price_idr ? 'Rp ' + formatNumber(item.current_price_idr) : '-'"></span>
                        <span class="text-xs" :class="(item.price_change_24h || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                              x-text="item.price_change_24h != null ? (item.price_change_24h >= 0 ? '+' : '') + item.price_change_24h.toFixed(2) + '% (24h)' : ''"></span>
                    </div>
                    <div class="text-[10px] text-gray-600 mt-1" x-text="item.confidence_detail"></div>
                </div>

                <!-- Profit Prediction Section (Realistic) -->
                <div x-show="item.projections" class="mx-4 mb-3 bg-emerald-950/30 border border-emerald-900/30 rounded-lg p-3">
                    <div class="flex items-center justify-between mb-2">
                        <div class="text-[10px] font-semibold text-emerald-500 uppercase tracking-wider">Estimasi Realistis</div>
                        <span class="text-[9px] px-1.5 py-0.5 rounded-full"
                              :class="{
                                  'bg-emerald-900/50 text-emerald-400': item.liquidity_rating === 'EXCELLENT' || item.liquidity_rating === 'GOOD',
                                  'bg-yellow-900/50 text-yellow-400': item.liquidity_rating === 'MODERATE',
                                  'bg-red-900/50 text-red-400': item.liquidity_rating === 'POOR',
                                  'bg-gray-800 text-gray-500': item.liquidity_rating === 'UNKNOWN',
                              }"
                              x-text="'Likuiditas: ' + (item.liquidity_rating || '-')"></span>
                    </div>
                    <div class="grid grid-cols-2 gap-x-4 gap-y-1.5">
                        <div>
                            <div class="text-[10px] text-gray-500">Per Siklus</div>
                            <div class="text-sm text-emerald-300 font-medium">
                                <span x-text="'Rp ' + formatNumber(item.projections?.per_cycle?.profit_idr)"></span>
                                <span class="text-[10px] text-emerald-600 ml-1" x-text="'(' + (item.projections?.per_cycle?.profit_pct || 0).toFixed(2) + '%)'"></span>
                            </div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">EV Harian (Range)</div>
                            <div class="text-sm font-medium"
                                 :class="(item.projections?.daily?.expected_profit_idr || 0) > 0 ? 'text-emerald-300' : 'text-red-400'">
                                <span x-text="'Rp ' + formatNumber(item.projections?.daily?.pessimistic_idr)"></span>
                                <span class="text-gray-600 mx-0.5">-</span>
                                <span x-text="formatNumber(item.projections?.daily?.optimistic_idr)"></span>
                            </div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Bulanan (Range)</div>
                            <div class="text-sm font-medium"
                                 :class="(item.projections?.monthly?.expected_profit_idr || 0) > 0 ? 'text-emerald-300' : 'text-red-400'">
                                <span x-text="'Rp ' + formatNumber(item.projections?.monthly?.pessimistic_idr)"></span>
                                <span class="text-gray-600 mx-0.5">-</span>
                                <span x-text="formatNumber(item.projections?.monthly?.optimistic_idr)"></span>
                            </div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Return Bulanan</div>
                            <div class="text-sm font-medium"
                                 :class="(item.projections?.monthly?.expected_return_pct || 0) > 0 ? 'text-emerald-300' : 'text-red-400'"
                                 x-text="(item.projections?.monthly?.expected_return_pct || 0).toFixed(2) + '%'"></div>
                        </div>
                    </div>
                    <!-- Adjustment info -->
                    <details class="mt-2">
                        <summary class="text-[10px] text-gray-600 cursor-pointer hover:text-gray-400 transition">Detail Penyesuaian</summary>
                        <div class="mt-1 space-y-0.5 text-[10px] text-gray-500">
                            <div class="flex justify-between">
                                <span>Profit Teoritis</span>
                                <span x-text="(item.projections?.adjustments?.original_profit_pct || 0).toFixed(2) + '%/siklus'"></span>
                            </div>
                            <div class="flex justify-between text-amber-600">
                                <span>- Slippage (ATR + spread)</span>
                                <span x-text="'-' + (item.projections?.adjustments?.slippage_pct || 0).toFixed(2) + '%'"></span>
                            </div>
                            <div class="flex justify-between text-amber-600">
                                <span>- Toleransi sentuh (\u00b13%)</span>
                                <span x-text="'-' + (item.projections?.adjustments?.touch_tolerance_pct || 0).toFixed(2) + '%'"></span>
                            </div>
                            <div class="flex justify-between text-amber-600">
                                <span>- Safety haircut (\u00d70.70)</span>
                                <span class="text-amber-600">applied</span>
                            </div>
                            <div class="flex justify-between border-t border-gray-800 pt-0.5 text-emerald-500 font-medium">
                                <span>Profit Realistis</span>
                                <span x-text="(item.projections?.per_cycle?.profit_pct || 0).toFixed(2) + '%/siklus'"></span>
                            </div>
                        </div>
                    </details>
                    <div class="text-[10px] text-gray-600 mt-1" x-text="'Modal: Rp ' + formatNumber(item.projections?.capital_idr) + ' | Fee: Rp ' + formatNumber(item.projections?.per_cycle?.fee_idr) + '/siklus'"></div>
                </div>

                <!-- Entry Plan Section -->
                <div x-show="item.entry_plan && item.entry_plan.buy_at" class="mx-4 mb-3 bg-koin-950/30 border border-koin-900/30 rounded-lg p-3">
                    <div class="text-[10px] font-semibold text-koin-500 uppercase tracking-wider mb-2">Rencana Entry</div>
                    <div class="grid grid-cols-3 gap-2 text-center">
                        <div>
                            <div class="text-[10px] text-gray-500">Beli di</div>
                            <div class="text-sm text-emerald-300 font-medium" x-text="'Rp ' + formatNumber(item.entry_plan?.buy_at)"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Jual di</div>
                            <div class="text-sm text-yellow-300 font-medium" x-text="'Rp ' + formatNumber(item.entry_plan?.sell_at)"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Stop Loss</div>
                            <div class="text-sm text-red-400 font-medium" x-text="'Rp ' + formatNumber(item.entry_plan?.stop_loss)"></div>
                        </div>
                    </div>
                    <!-- Sequence: BUY → SELL + spread -->
                    <div class="text-center text-[10px] text-gray-500 mt-2">
                        <span class="text-emerald-500">BUY</span>
                        <span class="text-gray-600 mx-1">→</span>
                        <span class="text-yellow-500">SELL</span>
                        <span class="text-gray-600 ml-1">(spread:
                            <span class="text-white" x-text="item.entry_plan?.spread_pct ? item.entry_plan.spread_pct.toFixed(2) + '%' : '-'"></span>
                            , fee: <span x-text="fees?.roundtrip_fee_pct ? fees.roundtrip_fee_pct.toFixed(2) + '%' : '-'"></span>)
                        </span>
                    </div>
                    <!-- Distance to entry -->
                    <div x-show="item.entry_plan?.distance_pct != null" class="text-[10px] text-gray-500 mt-1 text-center"
                         x-text="item.entry_plan?.distance_pct > 0 ? 'Harga saat ini ' + item.entry_plan.distance_pct.toFixed(1) + '% di atas support (tunggu turun)' : 'Harga saat ini di dekat/bawah support (bisa entry)'">
                    </div>
                </div>

                <!-- Metrics Row -->
                <div class="px-4 pb-3">
                    <div class="grid grid-cols-4 gap-2 text-center">
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Success</div>
                            <div class="text-sm text-white font-medium" x-text="(item.success_rate_pct || 0).toFixed(0) + '%'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Siklus/Hari</div>
                            <div class="text-sm text-white font-medium" x-text="item.cycles_per_day ? item.cycles_per_day.toFixed(2) : '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Durasi</div>
                            <div class="text-sm text-white font-medium" x-text="item.avg_cycle_hours ? item.avg_cycle_hours.toFixed(1) + 'j' : '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">EV/Cycle</div>
                            <div class="text-sm font-medium"
                                 :class="(item.ev_per_cycle_pct || 0) > 0 ? 'text-emerald-400' : 'text-red-400'"
                                 x-text="(item.ev_per_cycle_pct || 0).toFixed(2) + '%'"></div>
                        </div>
                    </div>

                    <!-- Score Components (collapsible) -->
                    <details class="mt-2">
                        <summary class="text-[10px] text-gray-600 cursor-pointer hover:text-gray-400 transition">Skor Detail</summary>
                        <div class="mt-1.5 space-y-1">
                            <template x-for="(val, key) in item.components" :key="key">
                                <div class="flex items-center gap-2">
                                    <span class="text-[10px] text-gray-500 w-24 capitalize" x-text="key.replace('_', ' ')"></span>
                                    <div class="flex-1 h-1.5 bg-gray-800 rounded-full overflow-hidden">
                                        <div class="h-full rounded-full transition-all"
                                             :class="val > 0 ? 'bg-koin-500' : 'bg-gray-700'"
                                             :style="'width: ' + (val / {success_rate: 35, expected_value: 25, frequency: 15, safety: 15, confirmation: 10}[key] * 100) + '%'"></div>
                                    </div>
                                    <span class="text-[10px] text-gray-400 w-10 text-right tabular-nums" x-text="val.toFixed(1)"></span>
                                </div>
                            </template>
                        </div>
                    </details>

                    <!-- Data Sources & Phase Badges -->
                    <div class="flex items-center justify-between mt-2">
                        <div class="flex gap-1">
                            <span x-show="item.data_sources?.range_trading" class="text-[10px] px-1.5 py-0.5 rounded bg-pink-900/30 text-pink-400 border border-pink-900/30">Range</span>
                            <span x-show="item.data_sources?.bullish_momentum" class="text-[10px] px-1.5 py-0.5 rounded bg-blue-900/30 text-blue-400 border border-blue-900/30">Bullish</span>
                            <span x-show="item.data_sources?.trading_signal" class="text-[10px] px-1.5 py-0.5 rounded bg-purple-900/30 text-purple-400 border border-purple-900/30">Signal</span>
                            <span x-show="item.bullish_phase === 'EARLY_BULLISH'" class="text-[10px] px-1.5 py-0.5 rounded bg-emerald-900/30 text-emerald-400 border border-emerald-900/30">Early Bullish</span>
                            <span x-show="item.ml_trend === 'bullish'" class="text-[10px] px-1.5 py-0.5 rounded bg-cyan-900/30 text-cyan-400 border border-cyan-900/30">ML Bullish</span>
                        </div>
                        <span x-show="item.cycle_confidence" class="text-[10px] text-gray-600" x-text="item.cycle_confidence"></span>
                    </div>
                </div>
            </div>
        </template>
    </div>

    <!-- Load More -->
    <div x-show="!loading && hasMore" x-cloak class="text-center pt-2 pb-4">
        <button @click="loadMore()" :disabled="loadingMore"
                class="px-6 py-2 text-sm font-medium rounded-lg bg-gray-800 border border-gray-700 text-gray-300 hover:bg-gray-700 transition">
            <span x-text="loadingMore ? 'Loading...' : 'Muat Lebih Banyak (' + (total - items.length) + ' lagi)'"></span>
        </button>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function buyRecommendations() {
    return {
        items: [],
        loading: false,
        loadingMore: false,
        total: 0,
        hasMore: false,
        page: 1,
        filters: {
            safety: 'all',
            min_success: 0,
            min_cpd: 0,
        },
        sortBy: 'score',
        searchQ: '',
        capital: 1000000,
        fees: {},
        stats: { total: 0, avgSuccess: 0, avgDailyEV: 0, safeCount: 0 },

        async fetchData() {
            this.page = 1;
            this.loading = true;
            try {
                const data = await this._fetch(1);
                this.items = data.items || [];
                this.total = data.total || 0;
                this.hasMore = data.has_more || false;
                this.fees = data.fees || {};
                this.computeStats();
            } catch (e) {
                console.error('Fetch error:', e);
            } finally {
                this.loading = false;
            }
        },

        async loadMore() {
            this.page++;
            this.loadingMore = true;
            try {
                const data = await this._fetch(this.page);
                this.items = this.items.concat(data.items || []);
                this.hasMore = data.has_more || false;
                this.computeStats();
            } catch (e) {
                console.error('Load more error:', e);
                this.page--;
            } finally {
                this.loadingMore = false;
            }
        },

        async _fetch(page) {
            const params = new URLSearchParams({
                safety: this.filters.safety,
                min_success: this.filters.min_success,
                min_cpd: this.filters.min_cpd,
                sort: this.sortBy,
                limit: 20,
                page: page,
                q: this.searchQ,
                capital: this.capital,
            });
            const resp = await fetch(`/api/v1/market/recommendations/buy?${params}`);
            if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
            return await resp.json();
        },

        computeStats() {
            const items = this.items;
            if (!items.length) {
                this.stats = { total: 0, avgSuccess: 0, avgDailyEV: 0, safeCount: 0 };
                return;
            }
            const successRates = items.filter(i => i.success_rate_pct > 0).map(i => i.success_rate_pct);
            const dailyEVs = items
                .filter(i => i.projections?.daily?.expected_profit_idr)
                .map(i => i.projections.daily.expected_profit_idr);

            this.stats = {
                total: this.total,
                avgSuccess: successRates.length ? successRates.reduce((a, b) => a + b, 0) / successRates.length : 0,
                avgDailyEV: dailyEVs.length ? dailyEVs.reduce((a, b) => a + b, 0) / dailyEVs.length : 0,
                safeCount: items.filter(i => i.safety === 'SAFE').length,
            };
        },

        formatNumber(val) {
            if (val == null || isNaN(val)) return '-';
            const v = Number(val);
            if (v === 0) return '0';
            const abs = Math.abs(v);
            if (abs >= 100) return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 0}).format(v);
            if (abs >= 1) return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 2}).format(v);
            if (abs >= 0.01) return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 4}).format(v);
            return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 8}).format(v);
        },
    };
}
</script>
{% endblock %}