{% extends "base.html" %}
{% block title %}Reversal Radar{% endblock %}

{% block content %}
<div x-data="reversalRadarPanel()" 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">&#x1F504;</span>
                    Reversal Radar
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Deteksi pembalikan tren berdasarkan multi-indikator &mdash; tangkap reversal sebelum terjadi.</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-violet-600 hover:bg-violet-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 ? 'Scanning...' : '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 Detected</p>
            <p class="text-xl font-bold text-white mt-1" x-text="stats.total_detected || 0"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Bullish Reversals</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.bullish_count || 0"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Bearish Reversals</p>
            <p class="text-xl font-bold text-red-400 mt-1" x-text="stats.bearish_count || 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 Confidence</p>
            <p class="text-xl font-bold text-violet-400 mt-1" x-text="stats.avg_confidence != null ? stats.avg_confidence.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-violet-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.reversal_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-violet-500">
            <option value="all">Semua Tipe</option>
            <option value="bullish_reversal">Bullish Reversal</option>
            <option value="bearish_reversal">Bearish Reversal</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-violet-500">
            <option value="reversal_score">Score Tertinggi</option>
            <option value="confidence">Confidence Tertinggi</option>
            <option value="time_est">Waktu Terdekat</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-violet-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-violet-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">Mendeteksi sinyal reversal...</p>
    </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-violet-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-violet-600 hover:bg-violet-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" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19.5 12c0-1.232-.046-2.453-.138-3.662a4.006 4.006 0 00-3.7-3.7 48.678 48.678 0 00-7.324 0 4.006 4.006 0 00-3.7 3.7c-.017.22-.032.441-.046.662M19.5 12l3-3m-3 3l-3-3m-12 3c0 1.232.046 2.453.138 3.662a4.006 4.006 0 003.7 3.7 48.656 48.656 0 007.324 0 4.006 4.006 0 003.7-3.7c.017-.22.032-.441.046-.662M4.5 12l3 3m-3-3l-3 3"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Sinyal Reversal</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-violet-400 hover:text-violet-300">Pipeline Workflow</a>
            untuk mendeteksi potensi reversal.
        </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="reversalBorderClass(item.reversal_type)"
                 :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-violet-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 ? item.symbol.toUpperCase() : '-'"></span>
                                    <span class="text-[10px] px-1.5 py-0.5 rounded font-semibold"
                                          :class="item.reversal_type === 'bullish_reversal' ? 'bg-emerald-900/50 text-emerald-400 border border-emerald-800/50' : 'bg-red-900/50 text-red-400 border border-red-800/50'"
                                          x-text="item.reversal_type === 'bullish_reversal' ? 'Bullish Reversal' : 'Bearish Reversal'"></span>
                                </div>
                            </div>
                        </a>
                        <!-- Reversal Score Circle -->
                        <div class="relative w-16 h-16 flex-shrink-0">
                            <svg class="w-16 h-16 -rotate-90" viewBox="0 0 48 48">
                                <circle cx="24" cy="24" r="20" fill="none" stroke="#1f2937" stroke-width="3"/>
                                <circle cx="24" cy="24" r="20" fill="none"
                                        :stroke="scoreCircleColor(item.reversal_score)"
                                        stroke-width="3" stroke-linecap="round"
                                        :stroke-dasharray="(2 * Math.PI * 20)"
                                        :stroke-dashoffset="(2 * Math.PI * 20) * (1 - (item.reversal_score || 0) / 100)"/>
                            </svg>
                            <div class="absolute inset-0 flex flex-col items-center justify-center">
                                <span class="text-lg font-black tabular-nums" :class="scoreTextColor(item.reversal_score)"
                                      x-text="item.reversal_score != null ? item.reversal_score.toFixed(0) : '-'"></span>
                            </div>
                        </div>
                    </div>
                    <div class="flex items-center justify-between mt-2 text-sm">
                        <span class="text-gray-400" x-text="fmtPrice(item.current_price_idr)"></span>
                        <div class="flex items-center gap-3 text-xs">
                            <span class="text-gray-500">RSI: <span class="text-white" x-text="item.rsi != null ? item.rsi.toFixed(1) : '-'"></span></span>
                            <span class="text-gray-500">Z: <span class="text-white" x-text="item.zscore != null ? item.zscore.toFixed(2) : '-'"></span></span>
                        </div>
                    </div>
                </div>

                <!-- Signal Components -->
                <div class="mx-4 mb-3 bg-violet-950/20 border border-violet-900/30 rounded-lg p-3">
                    <div class="text-[10px] font-semibold text-violet-500 uppercase tracking-wider mb-2">Signal Components</div>
                    <div class="grid grid-cols-2 gap-x-4 gap-y-1.5">
                        <template x-for="sig in signalComponents(item)" :key="sig.key">
                            <div class="flex items-center gap-1.5">
                                <svg x-show="sig.active" class="w-3.5 h-3.5 text-emerald-400 flex-shrink-0" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"/></svg>
                                <svg x-show="!sig.active" class="w-3.5 h-3.5 text-gray-600 flex-shrink-0" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clip-rule="evenodd"/></svg>
                                <span class="text-[11px]" :class="sig.active ? 'text-gray-300' : 'text-gray-600'" x-text="sig.label"></span>
                            </div>
                        </template>
                    </div>
                </div>

                <!-- Time Estimate & Phase -->
                <div class="mx-4 mb-3">
                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-2">
                            <svg class="w-4 h-4 text-violet-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
                            <span class="text-sm text-gray-300" x-text="item.time_estimate ? '~' + item.time_estimate + ' candles' : 'N/A'"></span>
                        </div>
                        <div class="flex items-center gap-2">
                            <span class="text-[10px] text-gray-500">Phase:</span>
                            <span class="text-[10px] px-2 py-0.5 rounded-full font-medium"
                                  :class="phaseBadge(item.phase)"
                                  x-text="item.phase || '-'"></span>
                        </div>
                    </div>
                    <!-- Confidence bar -->
                    <div class="mt-2">
                        <div class="flex justify-between text-[10px] mb-1">
                            <span class="text-gray-500">Confidence</span>
                            <span :class="confidenceColor(item.confidence)" x-text="confidenceLabel(item.confidence)"></span>
                        </div>
                        <div class="h-2 bg-gray-800 rounded-full overflow-hidden">
                            <div class="h-full rounded-full transition-all duration-500"
                                 :class="(item.confidence || 0) >= 70 ? 'bg-emerald-500' : (item.confidence || 0) >= 50 ? 'bg-amber-500' : 'bg-red-500'"
                                 :style="'width: ' + Math.min(item.confidence || 0, 100) + '%'"></div>
                        </div>
                    </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">Price</div>
                            <div class="text-[11px] font-medium text-white" x-text="fmtPrice(item.current_price_idr)"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">RSI</div>
                            <div class="text-[11px] font-medium" :class="(item.rsi || 50) <= 30 ? 'text-emerald-400' : (item.rsi || 50) >= 70 ? 'text-red-400' : 'text-gray-400'"
                                 x-text="item.rsi != null ? item.rsi.toFixed(1) : '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Z-Score</div>
                            <div class="text-[11px] font-medium text-violet-400" x-text="item.zscore != null ? item.zscore.toFixed(2) : '-'"></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 text-white" x-text="item.phase || '-'"></div>
                        </div>
                    </div>
                </div>
            </div>
        </template>
    </div>

    <!-- Pagination -->
    <div x-show="!loading && !error && total > 0" x-cloak class="flex items-center justify-between pt-2 pb-4">
        <span class="text-sm text-gray-500">Menampilkan <span class="text-white" x-text="items.length"></span> dari <span class="text-white" x-text="total"></span></span>
        <div class="flex gap-2">
            <button @click="page > 1 && (page--, fetchData())" :disabled="page <= 1"
                    class="px-3 py-1.5 text-sm rounded-lg border transition"
                    :class="page <= 1 ? 'border-gray-800 text-gray-600 cursor-not-allowed' : 'border-gray-700 text-gray-300 hover:bg-gray-800'">Prev</button>
            <span class="px-3 py-1.5 text-sm text-gray-400">Halaman <span x-text="page"></span></span>
            <button @click="items.length >= 20 && (page++, fetchData())" :disabled="items.length < 20"
                    class="px-3 py-1.5 text-sm rounded-lg border transition"
                    :class="items.length < 20 ? 'border-gray-800 text-gray-600 cursor-not-allowed' : 'border-gray-700 text-gray-300 hover:bg-gray-800'">Next</button>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function reversalRadarPanel() {
    return {
        items: [], total: 0, loading: false, error: null,
        stats: {},
        filters: { asset_type: '{{ asset_mode }}', reversal_type: 'all' },
        sortBy: 'reversal_score', searchQ: '', page: 1,

        async fetchData() {
            this.loading = true; this.error = null;
            try {
                const params = new URLSearchParams({
                    asset_type: this.filters.asset_type,
                    reversal_type: this.filters.reversal_type,
                    sort: this.sortBy,
                    limit: '20', page: this.page,
                    q: this.searchQ
                });
                const r = await fetch(`/api/v1/market/reversal-radar?${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) { this.error = d.error; this.items = []; return; }
                this.items = d.items || [];
                this.total = d.total || this.items.length;
                this.stats = d.stats || this._calcStats();
            } catch(e) { this.error = e.message; this.items = []; }
            finally { this.loading = false; }
        },

        _calcStats() {
            if (!this.items.length) return {};
            const confs = this.items.filter(i => i.confidence != null).map(i => i.confidence);
            return {
                total_detected: this.total,
                bullish_count: this.items.filter(i => i.reversal_type === 'bullish_reversal').length,
                bearish_count: this.items.filter(i => i.reversal_type === 'bearish_reversal').length,
                avg_confidence: confs.length ? confs.reduce((a, b) => a + b, 0) / confs.length : null,
            };
        },

        signalComponents(item) {
            const s = item.signals || {};
            return [
                { key: 'zscore', label: 'Z-Score Extreme', active: !!s.zscore_extreme },
                { key: 'rsi_div', label: 'RSI Divergence', active: !!s.rsi_divergence },
                { key: 'momentum', label: 'Momentum Decel', active: !!s.momentum_decel },
                { key: 'volume', label: 'Volume Climax', active: !!s.volume_climax },
                { key: 'support', label: 'Support/Resist Hit', active: !!s.support_resist },
                { key: 'pattern', label: 'Candle Pattern', active: !!s.candle_pattern },
                { key: 'macd', label: 'MACD Cross', active: !!s.macd_cross },
                { key: 'bb', label: 'BB Squeeze', active: !!s.bb_squeeze },
            ];
        },

        reversalBorderClass(type) {
            return type === 'bullish_reversal' ? 'border-emerald-800/60 hover:border-emerald-700' : 'border-red-800/60 hover:border-red-700';
        },

        scoreCircleColor(score) {
            if (score == null) return '#6b7280';
            if (score >= 80) return '#a78bfa';
            if (score >= 60) return '#818cf8';
            if (score >= 40) return '#c084fc';
            return '#6b7280';
        },

        scoreTextColor(score) {
            if (score == null) return 'text-gray-400';
            if (score >= 80) return 'text-violet-300';
            if (score >= 60) return 'text-violet-400';
            return 'text-gray-400';
        },

        phaseBadge(phase) {
            const map = {
                'accumulation': 'bg-emerald-900/40 text-emerald-400',
                'markup': 'bg-green-900/40 text-green-400',
                'distribution': 'bg-orange-900/40 text-orange-400',
                'markdown': 'bg-red-900/40 text-red-400',
            };
            return map[(phase || '').toLowerCase()] || 'bg-gray-800 text-gray-500';
        },

        confidenceColor(v) {
            if (v == null) return 'text-gray-500';
            if (v >= 70) return 'text-emerald-400';
            if (v >= 50) return 'text-amber-400';
            return 'text-red-400';
        },

        confidenceLabel(v) {
            if (v == null) return '-';
            if (v >= 70) return 'High (' + v.toFixed(0) + '%)';
            if (v >= 50) return 'Medium (' + v.toFixed(0) + '%)';
            return 'Low (' + v.toFixed(0) + '%)';
        },

        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) + '%' : '-'; },
    };
}
</script>
{% endblock %}