{% extends "base.html" %}
{% block title %}Drawdown Recovery{% endblock %}

{% block content %}
<div x-data="drawdownRecoveryPanel()" 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-rose-400" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" d="M2.25 6L9 12.75l4.286-4.286a11.948 11.948 0 014.306 6.43l.776 2.898"/>
                        <path stroke-linecap="round" stroke-linejoin="round" d="M16.5 6h5.25v5.25"/>
                    </svg>
                    Drawdown Recovery
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Ranked recovery opportunities after deep drawdowns &mdash; find assets poised to bounce from ATH declines.</p>
            </div>
        </div>
        <div class="flex items-center gap-2 flex-wrap">
            <!-- 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-rose-500">
                <option value="all">All Assets</option>
                <option value="crypto">Crypto</option>
                <option value="stock">Saham IDX</option>
                <option value="stock_us">Saham US</option>
            </select>
            <!-- Min Drawdown -->
            <div class="flex items-center gap-2 bg-gray-800 border border-gray-700 rounded-lg px-3 py-1.5">
                <label class="text-xs text-gray-500 whitespace-nowrap">Min DD</label>
                <input type="range" x-model.number="filters.min_dd" min="10" max="90" step="5"
                       @change="fetchData()"
                       class="w-20 h-1.5 accent-rose-500 cursor-pointer">
                <input type="number" x-model.number="filters.min_dd" min="10" max="90" step="5"
                       @change="fetchData()"
                       class="w-12 bg-gray-900 border border-gray-700 rounded text-xs text-gray-300 text-center py-0.5 focus:outline-none focus:ring-1 focus:ring-rose-500">
                <span class="text-xs text-gray-500">%</span>
            </div>
            <!-- Refresh -->
            <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 ? 'Loading...' : 'Refresh'"></span>
            </button>
        </div>
    </div>

    <!-- Stats Cards -->
    <div class="grid grid-cols-2 md:grid-cols-4 gap-3">
        <div class="bg-gray-800 rounded-xl border border-gray-700 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Total Candidates</p>
            <p class="text-xl font-bold text-white mt-1" x-text="stats.total"></p>
        </div>
        <div class="bg-gray-800 rounded-xl border border-gray-700 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Deep DD (&ge;70%)</p>
            <p class="text-xl font-bold text-rose-400 mt-1" x-text="stats.deep"></p>
        </div>
        <div class="bg-gray-800 rounded-xl border border-gray-700 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Moderate DD (40-70%)</p>
            <p class="text-xl font-bold text-amber-400 mt-1" x-text="stats.moderate"></p>
        </div>
        <div class="bg-gray-800 rounded-xl border border-gray-700 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Avg Recovery Prob</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.avgRecoveryProb ? stats.avgRecoveryProb.toFixed(1) + '%' : '-'"></p>
        </div>
    </div>

    <!-- Loading State -->
    <div x-show="loading" x-cloak class="text-center py-12">
        <svg class="animate-spin h-8 w-8 text-rose-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">Analyzing drawdown recovery candidates...</p>
    </div>

    <!-- Empty State -->
    <div x-show="!loading && items.length === 0" x-cloak
         class="text-center py-16 bg-gray-800 rounded-xl border border-gray-700">
        <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="M2.25 6L9 12.75l4.286-4.286a11.948 11.948 0 014.306 6.43l.776 2.898"/>
            <path stroke-linecap="round" stroke-linejoin="round" d="M16.5 6h5.25v5.25"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">No Drawdown Recovery Candidates</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            No assets found matching the current drawdown filter.
            Try lowering the minimum drawdown threshold or run a scan from
            <a href="/admin/workflow" class="text-rose-400 hover:text-rose-300">Pipeline Workflow</a>.
        </p>
    </div>

    <!-- Recommendations Section -->
    <div x-show="!loading && items.length > 0" x-cloak>
        <!-- Section Label -->
        <div class="flex items-center gap-2 mb-3">
            <svg class="w-5 h-5 text-emerald-400" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
            </svg>
            <h2 class="text-lg font-semibold text-white">Recovery Recommendations</h2>
            <span class="text-xs text-gray-500 ml-1" x-text="'(' + items.length + ' found)'"></span>
        </div>

        <!-- Card Grid -->
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-4">
            <template x-for="(item, idx) in items" :key="item.coin_symbol || idx">
                <div class="bg-gray-800 rounded-xl border border-gray-700 overflow-hidden hover:border-gray-600 transition animate-fadeIn"
                     :style="'animation-delay: ' + (idx * 40) + 'ms'">

                    <!-- Card Header: Symbol, Name, Severity Badge, Recovery Score -->
                    <div class="p-4 pb-3">
                        <div class="flex items-center justify-between">
                            <div class="flex items-center gap-3 min-w-0">
                                <div class="w-10 h-10 rounded-full bg-gray-700 flex items-center justify-center text-sm font-bold text-gray-300 flex-shrink-0"
                                     x-text="(item.coin_symbol || '?').substring(0, 2).toUpperCase()"></div>
                                <div class="min-w-0">
                                    <div class="flex items-center gap-2">
                                        <span class="text-white font-semibold truncate" x-text="item.coin_name || item.coin_symbol"></span>
                                        <!-- Severity Badge -->
                                        <span class="text-[10px] px-1.5 py-0.5 rounded font-semibold uppercase tracking-wider flex-shrink-0"
                                              :class="severityBadge(item.severity)"
                                              x-text="item.severity || 'unknown'"></span>
                                    </div>
                                    <span class="text-xs text-gray-500 font-mono" x-text="(item.coin_symbol || '').toUpperCase()"></span>
                                </div>
                            </div>
                            <!-- Recovery Score (big number) -->
                            <div class="text-right flex-shrink-0 ml-3">
                                <div class="text-3xl font-extrabold tabular-nums"
                                     :class="item.recovery_score >= 70 ? 'text-emerald-400' :
                                             item.recovery_score >= 45 ? 'text-amber-400' : 'text-gray-400'"
                                     x-text="item.recovery_score != null ? item.recovery_score.toFixed(0) : '-'"></div>
                                <div class="text-[10px] text-gray-500 uppercase tracking-wider">Recovery Score</div>
                            </div>
                        </div>
                    </div>

                    <!-- Drawdown & Recovery Bars -->
                    <div class="px-4 pb-3 space-y-2.5">
                        <!-- Drawdown Bar -->
                        <div>
                            <div class="flex items-center justify-between text-xs mb-1">
                                <span class="text-gray-400">Drawdown from ATH</span>
                                <span class="text-rose-400 font-semibold tabular-nums" x-text="item.drawdown_pct != null ? '-' + Math.abs(item.drawdown_pct).toFixed(1) + '%' : '-'"></span>
                            </div>
                            <div class="w-full h-2 bg-gray-900 rounded-full overflow-hidden">
                                <div class="h-full bg-rose-500 rounded-full transition-all duration-500"
                                     :style="'width: ' + Math.min(Math.abs(item.drawdown_pct || 0), 100) + '%'"></div>
                            </div>
                        </div>

                        <!-- Recovery Probability Bar -->
                        <div>
                            <div class="flex items-center justify-between text-xs mb-1">
                                <span class="text-gray-400">Recovery Probability</span>
                                <span class="text-emerald-400 font-semibold tabular-nums" x-text="item.recovery_probability != null ? item.recovery_probability.toFixed(1) + '%' : '-'"></span>
                            </div>
                            <div class="w-full h-2 bg-gray-900 rounded-full overflow-hidden">
                                <div class="h-full bg-emerald-500 rounded-full transition-all duration-500"
                                     :style="'width: ' + Math.min(item.recovery_probability || 0, 100) + '%'"></div>
                            </div>
                        </div>

                        <!-- Est Recovery Days + DCA Action -->
                        <div class="flex items-center justify-between">
                            <div class="flex items-center gap-1.5">
                                <svg class="w-3.5 h-3.5 text-gray-500" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z"/>
                                </svg>
                                <span class="text-xs text-gray-400">Est. Recovery:</span>
                                <span class="text-xs font-semibold tabular-nums"
                                      :class="(item.est_recovery_days || 999) <= 30 ? 'text-emerald-400' :
                                              (item.est_recovery_days || 999) <= 90 ? 'text-amber-400' : 'text-gray-400'"
                                      x-text="item.est_recovery_days != null ? item.est_recovery_days + ' days' : '-'"></span>
                            </div>
                            <!-- DCA Action Badge -->
                            <span class="text-[10px] px-2 py-0.5 rounded-full font-bold uppercase tracking-wider"
                                  :class="dcaActionBadge(item.dca_action)"
                                  x-text="dcaActionLabel(item.dca_action)"></span>
                        </div>
                    </div>

                    <!-- Divider -->
                    <div class="border-t border-gray-700"></div>

                    <!-- Price Levels Grid -->
                    <div class="px-4 py-3">
                        <div class="grid grid-cols-4 gap-2 text-center">
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Price</p>
                                <p class="text-xs font-semibold text-white tabular-nums mt-0.5" x-text="item.price != null ? formatPrice(item.price) : '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">ATH</p>
                                <p class="text-xs font-semibold text-gray-400 tabular-nums mt-0.5" x-text="item.ath != null ? formatPrice(item.ath) : '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Target 25%</p>
                                <p class="text-xs font-semibold text-emerald-400 tabular-nums mt-0.5" x-text="item.target_25pct != null ? formatPrice(item.target_25pct) : '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Target 50%</p>
                                <p class="text-xs font-semibold text-emerald-300 tabular-nums mt-0.5" x-text="item.target_50pct != null ? formatPrice(item.target_50pct) : '-'"></p>
                            </div>
                        </div>
                    </div>

                    <!-- Divider -->
                    <div class="border-t border-gray-700"></div>

                    <!-- ML & Technical Signals -->
                    <div class="px-4 py-3">
                        <div class="grid grid-cols-4 gap-2 text-center">
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">ML Trend</p>
                                <p class="text-xs font-semibold mt-0.5"
                                   :class="item.ml_trend === 'bullish' ? 'text-emerald-400' :
                                           item.ml_trend === 'bearish' ? 'text-rose-400' : 'text-gray-400'"
                                   x-text="item.ml_trend || '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Bull Score</p>
                                <p class="text-xs font-semibold tabular-nums mt-0.5"
                                   :class="(item.bullish_score || 0) >= 60 ? 'text-emerald-400' :
                                           (item.bullish_score || 0) >= 40 ? 'text-amber-400' : 'text-rose-400'"
                                   x-text="item.bullish_score != null ? item.bullish_score.toFixed(0) + '%' : '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Accel</p>
                                <p class="text-xs font-semibold mt-0.5"
                                   :class="accelColor(item.acceleration)"
                                   x-text="item.acceleration || '-'"></p>
                            </div>
                            <div>
                                <p class="text-[10px] text-gray-500 uppercase">Z-Score</p>
                                <p class="text-xs font-semibold tabular-nums mt-0.5"
                                   :class="(item.zscore || 0) < -2 ? 'text-rose-400' :
                                           (item.zscore || 0) < -1 ? 'text-amber-400' : 'text-gray-300'"
                                   x-text="item.zscore != null ? item.zscore.toFixed(2) : '-'"></p>
                            </div>
                        </div>
                    </div>

                    <!-- Divider -->
                    <div class="border-t border-gray-700"></div>

                    <!-- Momentum Indicators -->
                    <div class="px-4 py-3">
                        <div class="flex items-center justify-between">
                            <span class="text-[10px] text-gray-500 uppercase tracking-wider">Momentum</span>
                            <div class="flex items-center gap-3">
                                <!-- 24h Change -->
                                <div class="text-right">
                                    <p class="text-[10px] text-gray-500">24h</p>
                                    <p class="text-xs font-semibold tabular-nums"
                                       :class="(item.change_24h || 0) >= 0 ? 'text-emerald-400' : 'text-rose-400'"
                                       x-text="changeText(item.change_24h)"></p>
                                </div>
                                <!-- 7d Change -->
                                <div class="text-right">
                                    <p class="text-[10px] text-gray-500">7d</p>
                                    <p class="text-xs font-semibold tabular-nums"
                                       :class="(item.change_7d || 0) >= 0 ? 'text-emerald-400' : 'text-rose-400'"
                                       x-text="changeText(item.change_7d)"></p>
                                </div>
                                <!-- 30d Change -->
                                <div class="text-right">
                                    <p class="text-[10px] text-gray-500">30d</p>
                                    <p class="text-xs font-semibold tabular-nums"
                                       :class="(item.change_30d || 0) >= 0 ? 'text-emerald-400' : 'text-rose-400'"
                                       x-text="changeText(item.change_30d)"></p>
                                </div>
                            </div>
                        </div>
                    </div>

                </div>
            </template>
        </div>
    </div>
</div>

<script>
function drawdownRecoveryPanel() {
    return {
        loading: false,
        items: [],
        filters: {
            asset_type: '{{ asset_mode | default("all") }}',
            min_dd: 20,
        },
        stats: {
            total: 0,
            deep: 0,
            moderate: 0,
            avgRecoveryProb: null,
        },

        async fetchData() {
            this.loading = true;
            try {
                const params = new URLSearchParams({
                    asset_type: this.filters.asset_type,
                    min_dd: this.filters.min_dd,
                });
                const resp = await fetch(`/api/v1/market/drawdown-recovery?${params}`);
                if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
                const data = await resp.json();
                this.items = data.items || data.recommendations || [];
                this.computeStats();
            } catch (e) {
                console.error('Drawdown recovery fetch error:', e);
                this.items = [];
                this.computeStats();
            } finally {
                this.loading = false;
            }
        },

        computeStats() {
            const items = this.items;
            this.stats.total = items.length;
            this.stats.deep = items.filter(i => Math.abs(i.drawdown_pct || 0) >= 70).length;
            this.stats.moderate = items.filter(i => {
                const dd = Math.abs(i.drawdown_pct || 0);
                return dd >= 40 && dd < 70;
            }).length;
            const probs = items.filter(i => i.recovery_probability != null).map(i => i.recovery_probability);
            this.stats.avgRecoveryProb = probs.length
                ? probs.reduce((a, b) => a + b, 0) / probs.length
                : null;
        },

        severityBadge(severity) {
            const map = {
                'catastrophic': 'bg-rose-900/60 text-rose-400 border border-rose-700/50',
                'severe': 'bg-orange-900/60 text-orange-400 border border-orange-700/50',
                'moderate': 'bg-amber-900/60 text-amber-400 border border-amber-700/50',
                'mild': 'bg-gray-700/60 text-gray-400 border border-gray-600/50',
            };
            return map[(severity || '').toLowerCase()] || 'bg-gray-700/60 text-gray-400 border border-gray-600/50';
        },

        dcaActionBadge(action) {
            const map = {
                'AGGRESSIVE_BUY': 'bg-emerald-900/60 text-emerald-400 border border-emerald-700/50',
                'MODERATE_BUY': 'bg-blue-900/60 text-blue-400 border border-blue-700/50',
                'SMALL_BUY': 'bg-amber-900/60 text-amber-400 border border-amber-700/50',
                'WAIT': 'bg-gray-700/60 text-gray-400 border border-gray-600/50',
            };
            return map[action] || 'bg-gray-700/60 text-gray-400 border border-gray-600/50';
        },

        dcaActionLabel(action) {
            const map = {
                'AGGRESSIVE_BUY': 'Aggressive Buy',
                'MODERATE_BUY': 'Moderate Buy',
                'SMALL_BUY': 'Small Buy',
                'WAIT': 'Wait',
            };
            return map[action] || action || '-';
        },

        accelColor(accel) {
            if (!accel) return 'text-gray-400';
            const a = accel.toLowerCase();
            if (a.includes('accelerating') && a.includes('up')) return 'text-emerald-400';
            if (a.includes('reversing') && a.includes('up')) return 'text-emerald-300';
            if (a.includes('decelerating') && a.includes('up')) return 'text-amber-400';
            if (a === 'stable') return 'text-gray-400';
            if (a.includes('decelerating') && a.includes('down')) return 'text-amber-400';
            if (a.includes('accelerating') && a.includes('down')) return 'text-rose-400';
            if (a.includes('reversing') && a.includes('down')) return 'text-rose-300';
            return 'text-gray-400';
        },

        changeText(val) {
            if (val == null || isNaN(val)) return '-';
            const v = Number(val);
            return (v >= 0 ? '+' : '') + v.toFixed(2) + '%';
        },

        formatPrice(val) {
            if (val == null || isNaN(val)) return '-';
            const v = Number(val);
            if (v === 0) return '0';
            const abs = Math.abs(v);
            if (abs >= 1_000_000_000_000) return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 1}).format(v / 1_000_000_000_000) + 'T';
            if (abs >= 1_000_000_000) return new Intl.NumberFormat('id-ID', {maximumFractionDigits: 1}).format(v / 1_000_000_000) + 'B';
            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 %}