{% extends "base.html" %}
{% block title %}Volatility Squeeze Detector{% endblock %}

{% block content %}
<div x-data="volatilitySqueezeApp()" x-init="init()" class="space-y-6">
    <!-- Header -->
    <div class="flex items-center justify-between">
        <div>
            <h1 class="text-2xl font-bold text-white">Volatility Squeeze Detector</h1>
            <p class="mt-1 text-sm text-gray-400">Deteksi squeeze Bollinger Band di dalam Keltner Channel</p>
        </div>
        <div class="flex items-center gap-3">
            <span class="text-xs text-gray-500" x-text="lastRefresh ? 'Last refresh: ' + lastRefresh : ''"></span>
            <button @click="fetchData()" :disabled="loading"
                    class="px-3 py-1.5 text-xs bg-gray-800 hover:bg-gray-700 text-gray-300 rounded-lg transition disabled:opacity-50">
                Refresh
            </button>
        </div>
    </div>

    <!-- Filter Toggle -->
    <div class="flex items-center gap-3">
        <label class="flex items-center gap-2 cursor-pointer">
            <div class="relative" @click="onlyInSqueeze = !onlyInSqueeze">
                <div class="w-9 h-5 rounded-full transition"
                     :class="onlyInSqueeze ? 'bg-koin-600' : 'bg-gray-700'"></div>
                <div class="absolute top-0.5 left-0.5 w-4 h-4 rounded-full bg-white transition-transform"
                     :class="onlyInSqueeze ? 'translate-x-4' : ''"></div>
            </div>
            <span class="text-sm text-gray-400">Show only in squeeze</span>
        </label>
    </div>

    <!-- Loading State -->
    <div x-show="loading" class="flex items-center justify-center py-16">
        <div class="text-center">
            <svg class="w-8 h-8 animate-spin text-koin-400 mx-auto mb-3" fill="none" viewBox="0 0 24 24">
                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"/>
                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"/>
            </svg>
            <p class="text-sm text-gray-400">Scanning for volatility squeezes...</p>
        </div>
    </div>

    <template x-if="!loading && data">
        <div class="space-y-6">
            <!-- Summary Cards -->
            <div class="grid grid-cols-2 md:grid-cols-4 gap-4">
                <div class="bg-gray-900 border border-gray-800 rounded-xl p-4">
                    <p class="text-xs text-gray-500 uppercase tracking-wider">In Squeeze</p>
                    <p class="text-2xl font-bold text-red-400 mt-1" x-text="data.summary?.in_squeeze || 0"></p>
                    <p class="text-xs text-gray-600 mt-1">Compression active</p>
                </div>
                <div class="bg-gray-900 border border-gray-800 rounded-xl p-4">
                    <p class="text-xs text-gray-500 uppercase tracking-wider">Squeeze Released</p>
                    <p class="text-2xl font-bold text-emerald-400 mt-1" x-text="data.summary?.squeeze_released || 0"></p>
                    <p class="text-xs text-gray-600 mt-1">Breakout imminent</p>
                </div>
                <div class="bg-gray-900 border border-gray-800 rounded-xl p-4">
                    <p class="text-xs text-gray-500 uppercase tracking-wider">Avg Squeeze Duration</p>
                    <p class="text-2xl font-bold text-amber-400 mt-1" x-text="(data.summary?.avg_squeeze_duration || 0) + ' bars'"></p>
                </div>
                <div class="bg-gray-900 border border-gray-800 rounded-xl p-4">
                    <p class="text-xs text-gray-500 uppercase tracking-wider">Avg Post-Squeeze Move</p>
                    <p class="text-2xl font-bold text-koin-400 mt-1" x-text="fmt(data.summary?.avg_post_squeeze_move) + '%'"></p>
                </div>
            </div>

            <!-- Just Released Alert -->
            <div x-show="justReleased.length > 0" class="bg-emerald-900/20 border border-emerald-700/50 rounded-xl p-4">
                <div class="flex items-center gap-2 mb-2">
                    <svg class="w-5 h-5 text-emerald-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" d="M13 10V3L4 14h7v7l9-11h-7z"/>
                    </svg>
                    <h3 class="text-sm font-semibold text-emerald-300">Squeeze Just Released!</h3>
                </div>
                <p class="text-xs text-gray-400 mb-3">Assets yang baru saja keluar dari squeeze. Potensi breakout besar.</p>
                <div class="flex flex-wrap gap-2">
                    <template x-for="item in justReleased" :key="item.symbol + '-released'">
                        <span class="inline-flex items-center gap-1.5 px-3 py-1 rounded-lg text-xs font-medium border border-emerald-700/50 bg-emerald-900/30">
                            <span class="text-white" x-text="item.symbol"></span>
                            <span :class="item.momentum_direction === 'bullish' ? 'text-emerald-400' : 'text-red-400'"
                                  x-text="item.momentum_direction === 'bullish' ? '&#8593;' : '&#8595;'"></span>
                            <span class="text-gray-400" x-text="fmt(item.historical_avg_move) + '%'"></span>
                        </span>
                    </template>
                </div>
            </div>

            <!-- Main Table -->
            <div class="bg-gray-900 border border-gray-800 rounded-xl p-6">
                <h2 class="text-lg font-semibold text-white mb-4">Squeeze Analysis</h2>
                <div class="overflow-x-auto">
                    <table class="w-full text-sm">
                        <thead class="text-xs text-gray-500 uppercase bg-gray-900/50">
                            <tr>
                                <th class="px-3 py-2 text-left">Symbol</th>
                                <th class="px-3 py-2 text-left">Name</th>
                                <th class="px-3 py-2 text-center">Status</th>
                                <th class="px-3 py-2 text-right">Duration</th>
                                <th class="px-3 py-2 text-center">Momentum</th>
                                <th class="px-3 py-2 text-center">Strength</th>
                                <th class="px-3 py-2 text-right">ATR Pctile</th>
                                <th class="px-3 py-2 text-right">BB Width</th>
                                <th class="px-3 py-2 text-right">Breakout Prob.</th>
                                <th class="px-3 py-2 text-right">Hist. Avg Move</th>
                                <th class="px-3 py-2 text-center">Timeline</th>
                            </tr>
                        </thead>
                        <tbody class="divide-y divide-gray-800">
                            <template x-for="item in filteredItems" :key="item.symbol">
                                <tr class="hover:bg-gray-800/50 transition">
                                    <td class="px-3 py-2.5 text-left">
                                        <span class="font-medium text-white" x-text="item.symbol"></span>
                                    </td>
                                    <td class="px-3 py-2.5 text-left text-gray-400 text-xs truncate max-w-[120px]" x-text="item.name || '-'"></td>
                                    <td class="px-3 py-2.5 text-center">
                                        <span class="text-xs px-2 py-0.5 rounded-full font-medium"
                                              :class="item.in_squeeze ? 'bg-red-900/50 text-red-400' : 'bg-emerald-900/50 text-emerald-400'"
                                              x-text="item.in_squeeze ? '&#128308; Squeeze ON' : '&#128994; Squeeze OFF'"></span>
                                    </td>
                                    <td class="px-3 py-2.5 text-right font-mono text-gray-300" x-text="(item.squeeze_duration || 0) + ' bars'"></td>
                                    <td class="px-3 py-2.5 text-center">
                                        <span class="text-xs px-2 py-0.5 rounded-full font-medium"
                                              :class="item.momentum_direction === 'bullish' ? 'bg-emerald-900/50 text-emerald-400' : 'bg-red-900/50 text-red-400'"
                                              x-text="item.momentum_direction === 'bullish' ? '&#8593; Bullish' : '&#8595; Bearish'"></span>
                                    </td>
                                    <td class="px-3 py-2.5">
                                        <div class="flex items-center gap-1.5">
                                            <div class="flex-1 bg-gray-800 rounded-full h-2 overflow-hidden">
                                                <div class="h-full rounded-full transition-all"
                                                     :class="item.momentum_direction === 'bullish' ? 'bg-emerald-500' : 'bg-red-500'"
                                                     :style="'width:' + Math.min(100, (item.momentum_strength || 0)) + '%'"></div>
                                            </div>
                                            <span class="text-[10px] text-gray-500 w-7 text-right" x-text="(item.momentum_strength || 0) + '%'"></span>
                                        </div>
                                    </td>
                                    <td class="px-3 py-2.5 text-right font-mono"
                                        :class="(item.atr_percentile || 0) < 20 ? 'text-red-400' : 'text-gray-400'"
                                        x-text="(item.atr_percentile || 0) + '%'"></td>
                                    <td class="px-3 py-2.5 text-right font-mono text-gray-400" x-text="fmt(item.bb_bandwidth)"></td>
                                    <td class="px-3 py-2.5 text-right font-mono"
                                        :class="(item.breakout_probability || 0) >= 70 ? 'text-emerald-400 font-semibold' : (item.breakout_probability || 0) >= 50 ? 'text-amber-400' : 'text-gray-400'"
                                        x-text="fmt(item.breakout_probability) + '%'"></td>
                                    <td class="px-3 py-2.5 text-right font-mono text-koin-400" x-text="fmt(item.historical_avg_move) + '%'"></td>
                                    <td class="px-3 py-2.5 text-center">
                                        <!-- Squeeze timeline: last 20 bars as colored dots -->
                                        <div class="flex items-center justify-center gap-px">
                                            <template x-for="(dot, di) in (item.squeeze_timeline || []).slice(-20)" :key="di">
                                                <div class="w-1.5 h-1.5 rounded-full"
                                                     :class="dot ? 'bg-red-500' : 'bg-emerald-500'"></div>
                                            </template>
                                            <span x-show="!item.squeeze_timeline || item.squeeze_timeline.length === 0"
                                                  class="text-xs text-gray-600">-</span>
                                        </div>
                                    </td>
                                </tr>
                            </template>
                        </tbody>
                    </table>
                </div>
                <p x-show="filteredItems.length === 0" class="text-sm text-gray-500 text-center py-8">No squeeze data available.</p>
                <div class="flex items-center justify-between mt-4 text-xs text-gray-500">
                    <span x-text="'Showing ' + filteredItems.length + ' of ' + (data.items?.length || 0) + ' assets'"></span>
                    <div class="flex items-center gap-3">
                        <span class="flex items-center gap-1"><span class="w-2 h-2 rounded-full bg-red-500 inline-block"></span> Squeeze ON</span>
                        <span class="flex items-center gap-1"><span class="w-2 h-2 rounded-full bg-emerald-500 inline-block"></span> Squeeze OFF</span>
                    </div>
                </div>
            </div>
        </div>
    </template>

    <!-- Error State -->
    <div x-show="!loading && error" class="bg-red-900/20 border border-red-800 rounded-xl p-6 text-center">
        <p class="text-sm text-red-400" x-text="error"></p>
        <button @click="fetchData()" class="mt-3 px-4 py-1.5 text-xs bg-red-800 hover:bg-red-700 text-red-200 rounded-lg transition">Retry</button>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function volatilitySqueezeApp() {
    return {
        asset_type: '{{ asset_mode }}',
        loading: false,
        data: null,
        error: null,
        lastRefresh: null,
        onlyInSqueeze: false,

        init() {
            this.fetchData();
        },

        async fetchData() {
            this.loading = true;
            this.error = null;
            try {
                const resp = await fetch(`/api/v1/market/volatility-squeeze?asset_type=${this.asset_type}`);
                if (resp.redirected) { window.location.href = '/auth/login'; return; }
                const json = await resp.json();
                if (json.error) {
                    this.error = json.error;
                } else {
                    this.data = json;
                }
                this.lastRefresh = new Date().toLocaleTimeString('id-ID');
            } catch (e) {
                this.error = 'Failed to fetch squeeze data: ' + e.message;
            }
            this.loading = false;
        },

        get filteredItems() {
            if (!this.data?.items) return [];
            let items = [...this.data.items];
            if (this.onlyInSqueeze) {
                items = items.filter(i => i.in_squeeze);
            }
            // Sort: squeeze ON first, then by duration descending
            items.sort((a, b) => {
                if (a.in_squeeze && !b.in_squeeze) return -1;
                if (!a.in_squeeze && b.in_squeeze) return 1;
                return (b.squeeze_duration || 0) - (a.squeeze_duration || 0);
            });
            return items;
        },

        get justReleased() {
            if (!this.data?.items) return [];
            return this.data.items.filter(i => i.just_released);
        },

        fmt(v) {
            if (v == null) return '-';
            return Number(v).toFixed(2);
        },
    };
}
</script>
{% endblock %}