{% extends "base.html" %}
{% block title %}Smart Sizing{% endblock %}

{% block content %}
<div x-data="smartSizingPanel()" 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">
                    <span class="text-2xl">&#x2696;&#xFE0F;</span>
                    Smart Sizing
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Position sizing optimal &mdash; berapa % portofolio yang tepat untuk setiap aset.</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-rose-600 hover:bg-rose-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 ? 'Calculating...' : '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</p>
            <p class="text-xl font-bold text-white mt-1" x-text="stats.total || 0"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">High Conviction</p>
            <p class="text-xl font-bold text-rose-400 mt-1" x-text="stats.high_conviction || 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 Allocation %</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.avg_allocation != null ? stats.avg_allocation.toFixed(1) + '%' : '-'"></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-amber-400 mt-1" x-text="stats.avg_rr != null ? '1:' + stats.avg_rr.toFixed(1) : '-'"></p>
        </div>
    </div>

    <!-- Filters -->
    <div class="flex flex-wrap items-center gap-2">
        <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-rose-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>

        <select x-model="filters.risk_profile" @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-rose-500">
            <option value="moderate">Moderate</option>
            <option value="conservative">Conservative</option>
            <option value="aggressive">Aggressive</option>
        </select>

        <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-rose-500">
            <option value="sizing_score_desc">Score Tertinggi</option>
            <option value="sizing_score_asc">Score Terendah</option>
            <option value="allocation_desc">Allocation Terbesar</option>
            <option value="name_asc">Nama A-Z</option>
        </select>

        <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 simbol..."
                   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-rose-500">
        </div>
    </div>

    <!-- Loading Skeleton -->
    <div x-show="loading" x-cloak class="space-y-4">
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-4">
            <template x-for="i in 4" :key="'skel-'+i">
                <div class="glass rounded-xl border border-gray-800 p-5 animate-pulse">
                    <div class="flex items-center gap-3 mb-4">
                        <div class="w-10 h-10 rounded-full bg-gray-800"></div>
                        <div class="flex-1 space-y-2">
                            <div class="h-4 bg-gray-800 rounded w-24"></div>
                            <div class="h-3 bg-gray-800 rounded w-32"></div>
                        </div>
                        <div class="h-8 w-16 bg-gray-800 rounded"></div>
                    </div>
                    <div class="space-y-2">
                        <div class="h-2 bg-gray-800 rounded w-full"></div>
                        <div class="h-2 bg-gray-800 rounded w-3/4"></div>
                        <div class="h-2 bg-gray-800 rounded w-5/6"></div>
                    </div>
                </div>
            </template>
        </div>
    </div>

    <!-- Error State -->
    <div x-show="!loading && error" x-cloak class="text-center py-12 glass rounded-xl border border-gray-800">
        <svg class="mx-auto h-12 w-12 text-rose-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M12 9v3.75m9-.75a9 9 0 11-18 0 9 9 0 0118 0zm-9 3.75h.008v.008H12v-.008z"/></svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400" x-text="error"></h3>
        <button @click="fetchData()" class="mt-3 px-4 py-2 text-sm rounded-lg bg-rose-600 hover:bg-rose-700 text-white transition">Coba Lagi</button>
    </div>

    <!-- Empty State -->
    <div x-show="!loading && !error && 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" stroke-width="1.5" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" d="M12 3v17.25m0 0c-1.472 0-2.882.265-4.185.75M12 20.25c1.472 0 2.882.265 4.185.75M18.75 4.97A48.416 48.416 0 0012 4.5c-2.291 0-4.545.16-6.75.47m13.5 0c1.01.143 2.01.317 3 .52m-3-.52l2.62 10.726c.122.499-.106 1.028-.589 1.202a5.988 5.988 0 01-2.031.352 5.988 5.988 0 01-2.031-.352c-.483-.174-.711-.703-.59-1.202L18.75 4.971zm-16.5.52c.99-.203 1.99-.377 3-.52m0 0l2.62 10.726c.122.499-.106 1.028-.589 1.202a5.989 5.989 0 01-2.031.352 5.989 5.989 0 01-2.031-.352c-.483-.174-.711-.703-.59-1.202L5.25 4.971z"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Data Sizing</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Jalankan scan terlebih dahulu melalui
            <a href="/admin/workflow" class="text-rose-400 hover:text-rose-300">Pipeline Workflow</a>
            untuk menghasilkan data position sizing.
        </p>
    </div>

    <!-- Result Cards Grid -->
    <div x-show="!loading && !error && 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 || idx">
            <div class="glass rounded-xl border overflow-hidden animate-fadeIn transition"
                 :class="scoreBorderClass(item.sizing_score)"
                 :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 || '')" class="flex items-center gap-3 group">
                            <img :src="item.icon_url || (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_url || item.symbol">
                            <span x-show="!item.icon_url && !item.symbol"
                                  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-rose-400 transition" x-text="item.name || item.coin_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 || item.coin_symbol || '-').toUpperCase()"></span>
                                </div>
                            </div>
                        </a>
                        <!-- R:R Badge -->
                        <span class="px-2 py-0.5 rounded-full text-[10px] font-bold bg-emerald-900/40 text-emerald-300 border border-emerald-800/40"
                              x-text="'R:R ' + (item.risk_reward_ratio != null ? item.risk_reward_ratio.toFixed(1) + 'x' : '-')"></span>
                    </div>

                    <!-- Two Big Numbers -->
                    <div class="flex items-end justify-between mt-3 gap-4">
                        <!-- Sizing Score -->
                        <div class="flex-1">
                            <p class="text-[10px] text-gray-500 uppercase tracking-wider mb-0.5">Sizing Score</p>
                            <div class="flex items-baseline gap-1.5">
                                <span class="text-3xl font-black tabular-nums"
                                      :class="scoreColor(item.sizing_score)"
                                      x-text="item.sizing_score != null ? item.sizing_score.toFixed(0) : '-'"></span>
                                <span class="text-sm text-gray-600 font-medium">/100</span>
                            </div>
                        </div>
                        <!-- Suggested Allocation -->
                        <div class="flex-1 text-right">
                            <p class="text-[10px] text-gray-500 uppercase tracking-wider mb-0.5">Allocation</p>
                            <span class="text-3xl font-black tabular-nums"
                                  :class="(item.suggested_allocation_pct || 0) >= 5 ? 'text-emerald-400' : (item.suggested_allocation_pct || 0) >= 2 ? 'text-amber-400' : 'text-gray-400'"
                                  x-text="item.suggested_allocation_pct != null ? item.suggested_allocation_pct.toFixed(1) + '%' : '-'"></span>
                        </div>
                    </div>

                    <!-- Risk Profile label -->
                    <div class="flex items-center gap-2 mt-2">
                        <span class="text-[10px] px-1.5 py-0.5 rounded font-semibold uppercase tracking-wider bg-rose-900/40 text-rose-300 border border-rose-800/40"
                              x-text="item.risk_profile || filters.risk_profile"></span>
                    </div>
                </div>

                <!-- Component Bars -->
                <div class="mx-4 mb-3">
                    <div class="text-[10px] font-semibold text-rose-500 uppercase tracking-wider mb-2">Scoring Components</div>
                    <div class="space-y-1.5">
                        <template x-for="comp in componentList(item)" :key="comp.key">
                            <div class="flex items-center gap-2">
                                <span class="text-[10px] text-gray-400 w-24 truncate" x-text="comp.label"></span>
                                <div class="flex-1 h-2 bg-gray-800 rounded-full overflow-hidden">
                                    <div class="h-full rounded-full transition-all duration-500"
                                         :class="comp.color"
                                         :style="'width: ' + (comp.value / comp.max * 100) + '%'"></div>
                                </div>
                                <span class="text-[10px] text-gray-400 w-12 text-right tabular-nums"
                                      x-text="comp.value.toFixed(1) + '/' + comp.max"></span>
                            </div>
                        </template>
                    </div>
                </div>

                <!-- Entry Plan: Price Ladder -->
                <div class="mx-4 mb-3 bg-gray-800/40 border border-gray-700/50 rounded-lg p-3">
                    <div class="text-[10px] font-semibold text-gray-500 uppercase tracking-wider mb-2">Entry Plan</div>
                    <div class="space-y-1.5">
                        <div class="flex items-center gap-2">
                            <span class="w-2 h-2 rounded-full bg-emerald-500 flex-shrink-0"></span>
                            <span class="text-[10px] text-emerald-400 w-14">Take Profit</span>
                            <div class="flex-1 h-1 bg-gray-700 rounded-full"><div class="h-full bg-emerald-500/60 rounded-full" style="width: 100%"></div></div>
                            <span class="text-xs font-mono text-emerald-400" x-text="fmtPrice(item.take_profit_1)"></span>
                        </div>
                        <div class="flex items-center gap-2">
                            <span class="w-2 h-2 rounded-full bg-amber-500 flex-shrink-0"></span>
                            <span class="text-[10px] text-amber-400 w-14">Entry</span>
                            <div class="flex-1 h-1 bg-gray-700 rounded-full"><div class="h-full bg-amber-500/60 rounded-full" :style="'width: ' + entryBarPct(item) + '%'"></div></div>
                            <span class="text-xs font-mono text-amber-400" x-text="fmtPrice(item.entry_price)"></span>
                        </div>
                        <div class="flex items-center gap-2">
                            <span class="w-2 h-2 rounded-full bg-red-500 flex-shrink-0"></span>
                            <span class="text-[10px] text-red-400 w-14">Stop Loss</span>
                            <div class="flex-1 h-1 bg-gray-700 rounded-full"><div class="h-full bg-red-500/60 rounded-full" :style="'width: ' + slBarPct(item) + '%'"></div></div>
                            <span class="text-xs font-mono text-red-400" x-text="fmtPrice(item.stop_loss)"></span>
                        </div>
                    </div>
                </div>

                <!-- Bottom 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">Cycle WR</div>
                            <div class="text-[11px] font-medium"
                                 :class="(item.cycle_success_rate_pct || 0) >= 60 ? 'text-emerald-400' : (item.cycle_success_rate_pct || 0) >= 45 ? 'text-amber-400' : 'text-red-400'"
                                 x-text="item.cycle_success_rate_pct != null ? item.cycle_success_rate_pct.toFixed(0) + '%' : '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">ATR %</div>
                            <div class="text-[11px] font-medium text-white"
                                 x-text="item.atr_pct != null ? item.atr_pct.toFixed(1) + '%' : '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Phase</div>
                            <div class="text-[11px] font-medium"
                                 :class="item.bullish_phase ? 'text-emerald-400' : 'text-red-400'"
                                 x-text="item.bullish_phase ? 'Bullish' : 'Bearish'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">ML Trend</div>
                            <div class="text-[11px] font-medium"
                                 :class="{
                                     'text-emerald-400': item.ml_trend === 'bullish',
                                     'text-red-400': item.ml_trend === 'bearish',
                                     'text-gray-400': item.ml_trend === 'neutral' || !item.ml_trend
                                 }"
                                 x-text="item.ml_trend || '-'"></div>
                        </div>
                    </div>
                </div>
            </div>
        </template>
    </div>

    <!-- Load More -->
    <div x-show="!loading && !error && 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 smartSizingPanel() {
    return {
        items: [], total: 0, loading: false, loadingMore: false, error: null,
        hasMore: false, page: 1,
        stats: { total: 0, high_conviction: 0, avg_allocation: null, avg_rr: null },
        filters: { asset_type: '{{ asset_mode }}', risk_profile: 'moderate' },
        sortBy: 'sizing_score_desc', searchQ: '',

        async fetchData() {
            this.page = 1;
            this.loading = true;
            this.error = null;
            try {
                const data = await this._fetch(1);
                this.items = data.items || [];
                this.total = data.total || this.items.length;
                this.hasMore = data.has_more || false;
                this._calcStats();
            } catch (e) {
                this.error = e.message || 'Gagal memuat data';
                this.items = [];
            } 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._calcStats();
            } catch (e) {
                this.page--;
            } finally {
                this.loadingMore = false;
            }
        },

        async _fetch(page) {
            const params = new URLSearchParams({
                asset_type: this.filters.asset_type,
                risk_profile: this.filters.risk_profile,
                sort: this.sortBy,
                limit: '50',
                page: page,
                q: this.searchQ,
            });
            const r = await fetch(`/api/v1/market/screener/smart-sizing?${params}`);
            if (r.redirected) { window.location.href = '/admin/login'; return {}; }
            if (!r.ok) throw new Error(`HTTP ${r.status}: ${r.statusText}`);
            const d = await r.json();
            if (d.error) throw new Error(d.error);
            return d;
        },

        _calcStats() {
            const items = this.items;
            if (!items.length) {
                this.stats = { total: 0, high_conviction: 0, avg_allocation: null, avg_rr: null };
                return;
            }
            const scores = items.map(i => i.sizing_score || 0);
            const allocs = items.map(i => i.suggested_allocation_pct || 0);
            const rrs = items.filter(i => i.risk_reward_ratio != null).map(i => i.risk_reward_ratio);
            this.stats = {
                total: this.total,
                high_conviction: items.filter(i => (i.sizing_score || 0) >= 70).length,
                avg_allocation: allocs.reduce((a, b) => a + b, 0) / allocs.length,
                avg_rr: rrs.length ? rrs.reduce((a, b) => a + b, 0) / rrs.length : null,
            };
        },

        componentList(item) {
            const c = item.components || {};
            return [
                { key: 'signal',     label: 'Signal Strength', value: c.signal_strength || 0, max: 30, color: 'bg-rose-500' },
                { key: 'rr',         label: 'Risk/Reward',     value: c.risk_reward || 0,     max: 25, color: 'bg-emerald-500' },
                { key: 'reliability', label: 'Reliability',     value: c.reliability || 0,     max: 20, color: 'bg-amber-500' },
                { key: 'vol_fit',    label: 'Volatility Fit',  value: c.volatility_fit || 0,  max: 15, color: 'bg-cyan-500' },
                { key: 'trend',      label: 'Trend Align',     value: c.trend_alignment || 0, max: 10, color: 'bg-violet-500' },
            ];
        },

        scoreColor(score) {
            if (score == null) return 'text-gray-400';
            if (score >= 80) return 'text-emerald-400';
            if (score >= 60) return 'text-rose-400';
            if (score >= 40) return 'text-amber-400';
            return 'text-gray-400';
        },

        scoreBorderClass(score) {
            if (score == null) return 'border-gray-800 hover:border-gray-700';
            if (score >= 80) return 'border-emerald-800/60 hover:border-emerald-700';
            if (score >= 60) return 'border-rose-800/60 hover:border-rose-700';
            if (score >= 40) return 'border-amber-800/60 hover:border-amber-700';
            return 'border-gray-800 hover:border-gray-700';
        },

        entryBarPct(item) {
            if (!item.take_profit_1 || !item.stop_loss || !item.entry_price) return 50;
            const range = item.take_profit_1 - item.stop_loss;
            if (range <= 0) return 50;
            return Math.max(10, Math.min(90, ((item.entry_price - item.stop_loss) / range) * 100));
        },

        slBarPct(item) {
            if (!item.take_profit_1 || !item.stop_loss) return 20;
            return Math.max(5, Math.min(40, (item.stop_loss / item.take_profit_1) * 100));
        },

        fmtPrice(v) {
            if (v == null || isNaN(v)) return '-';
            const val = Number(v);
            if (val === 0) return 'Rp 0';
            const abs = Math.abs(val);
            if (abs >= 1_000_000_000) return 'Rp ' + new Intl.NumberFormat('id-ID', {maximumFractionDigits: 1}).format(val / 1_000_000_000) + 'B';
            if (abs >= 100) return 'Rp ' + new Intl.NumberFormat('id-ID', {maximumFractionDigits: 0}).format(val);
            if (abs >= 1) return 'Rp ' + new Intl.NumberFormat('id-ID', {maximumFractionDigits: 2}).format(val);
            return 'Rp ' + new Intl.NumberFormat('id-ID', {maximumFractionDigits: 8}).format(val);
        },

        fmtPct(v) { return v != null ? (v >= 0 ? '+' : '') + Number(v).toFixed(1) + '%' : '-'; },

        fmtNum(v) {
            if (v == null || isNaN(v)) return '-';
            return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 2}).format(Number(v));
        },
    };
}
</script>
{% endblock %}