{% extends "base.html" %}
{% block title %}Signal Convergence Map{% endblock %}

{% block content %}
<div x-data="signalConvergencePanel()" 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="M7.5 21L3 16.5m0 0L7.5 12M3 16.5h13.5m0-13.5L21 7.5m0 0L16.5 12M21 7.5H7.5"/>
                    </svg>
                    Signal Convergence
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Peta konvergensi sinyal &mdash; semakin banyak sinyal sepakat, semakin kuat</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 ? '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</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">Full Convergence (8/8)</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.fullConvergence"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Strong (6-7)</p>
            <p class="text-xl font-bold text-blue-400 mt-1" x-text="stats.strong"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Avg Signals</p>
            <p class="text-xl font-bold text-rose-400 mt-1" x-text="stats.avgSignals != null ? stats.avgSignals.toFixed(1) : '-'"></p>
        </div>
    </div>

    <!-- Filters & Sort -->
    <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="crypto">Kripto</option>
            <option value="stock">Saham IDX</option>
            <option value="stock_us">Saham US</option>
        </select>

        <select x-model="filters.min_signals" @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="0">Min Sinyal: Semua</option>
            <option value="3">Min 3 Sinyal</option>
            <option value="5">Min 5 Sinyal</option>
            <option value="6">Min 6 Sinyal</option>
            <option value="7">Min 7 Sinyal</option>
            <option value="8">Min 8 Sinyal (Full)</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="convergence_desc">Convergence Tertinggi</option>
            <option value="convergence_asc">Convergence Terendah</option>
            <option value="name_asc">Nama A-Z</option>
        </select>
    </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">Menganalisis konvergensi sinyal...</p>
    </div>

    <!-- Loading Skeleton -->
    <div x-show="loading" x-cloak 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-4 animate-pulse">
                <div class="flex items-center gap-3 mb-3">
                    <div class="w-10 h-10 rounded-full bg-gray-700"></div>
                    <div class="flex-1">
                        <div class="h-4 bg-gray-700 rounded w-24 mb-1"></div>
                        <div class="h-3 bg-gray-800 rounded w-16"></div>
                    </div>
                    <div class="h-8 bg-gray-700 rounded w-16"></div>
                </div>
                <div class="grid grid-cols-4 gap-2">
                    <template x-for="j in 8" :key="'sk-'+j"><div class="h-6 bg-gray-800 rounded"></div></template>
                </div>
            </div>
        </template>
    </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="M7.5 21L3 16.5m0 0L7.5 12M3 16.5h13.5m0-13.5L21 7.5m0 0L16.5 12M21 7.5H7.5"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Data Convergence</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Jalankan scan sinyal di <a href="/admin/workflow" class="text-rose-400 hover:text-rose-300">Pipeline Workflow</a>
            terlebih dahulu untuk menghasilkan data konvergensi.
        </p>
    </div>

    <!-- Card 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 || item.symbol">
            <div class="glass rounded-xl border overflow-hidden animate-fadeIn transition"
                 :class="convergenceBorderClass(item.convergence_label)"
                 :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_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-rose-400 transition" x-text="item.symbol"></span>
                                <span class="text-xs text-gray-500 ml-1" x-text="item.name"></span>
                                <div class="flex items-center gap-2 mt-0.5">
                                    <span class="text-[10px] px-1.5 py-0.5 rounded font-semibold uppercase tracking-wider"
                                          :class="convergenceBadgeClass(item.convergence_label)"
                                          x-text="convergenceBadgeText(item.convergence_label)"></span>
                                </div>
                            </div>
                        </a>
                        <!-- Convergence Count -->
                        <div class="text-right">
                            <div class="flex items-baseline gap-1">
                                <span class="text-3xl font-extrabold tabular-nums"
                                      :class="item.convergence_count >= 8 ? 'text-emerald-400' :
                                              item.convergence_count >= 6 ? 'text-blue-400' :
                                              item.convergence_count >= 4 ? 'text-amber-400' : 'text-gray-400'"
                                      x-text="item.convergence_count"></span>
                                <span class="text-sm text-gray-500">/ 8</span>
                            </div>
                            <p class="text-xs tabular-nums mt-0.5"
                               :class="item.convergence_score >= 75 ? 'text-emerald-400' :
                                       item.convergence_score >= 50 ? 'text-blue-400' : 'text-gray-500'"
                               x-text="fmtPct(item.convergence_score)"></p>
                        </div>
                    </div>
                </div>

                <!-- 8 Signal Indicators Grid -->
                <div class="mx-4 mb-3 bg-rose-950/10 border border-rose-900/20 rounded-lg p-3">
                    <div class="text-[10px] font-semibold text-rose-400 uppercase tracking-wider mb-2">Signal Map</div>
                    <div class="grid grid-cols-4 gap-1.5">
                        <template x-for="sig in signalList(item)" :key="sig.key">
                            <div class="flex items-center gap-1.5 px-2 py-1 rounded-md text-[10px]"
                                 :class="sig.active
                                    ? 'bg-emerald-900/40 border border-emerald-800/50 text-emerald-300'
                                    : 'bg-gray-800/60 border border-gray-700/40 text-gray-500'">
                                <span class="w-2 h-2 rounded-full flex-shrink-0"
                                      :class="sig.active ? 'bg-emerald-400' : 'bg-gray-600'"></span>
                                <span class="truncate" x-text="sig.label"></span>
                            </div>
                        </template>
                    </div>
                </div>

                <!-- Bottom Metrics Row -->
                <div class="px-4 pb-3">
                    <div class="grid grid-cols-3 gap-2 text-center">
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Phase</div>
                            <div class="text-[11px] text-white font-medium truncate px-1" x-text="item.bullish_phase || '-'"></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 capitalize"
                                 :class="item.ml_trend === 'bullish' ? 'text-emerald-400' : item.ml_trend === 'bearish' ? 'text-red-400' : 'text-gray-400'"
                                 x-text="item.ml_trend || '-'"></div>
                        </div>
                        <div class="bg-gray-800/50 rounded-lg py-1.5">
                            <div class="text-[10px] text-gray-500">Momentum</div>
                            <div class="text-[11px] font-medium truncate px-1"
                                 :class="item.momentum_state && item.momentum_state.includes('UP') ? 'text-emerald-400' : 'text-gray-400'"
                                 x-text="shortMomentum(item.momentum_state)"></div>
                        </div>
                    </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 signalConvergencePanel() {
    return {
        items: [],
        loading: false,
        loadingMore: false,
        total: 0,
        hasMore: false,
        page: 1,
        filters: {
            asset_type: '{{ asset_mode }}',
            min_signals: '0',
        },
        sortBy: 'convergence_desc',
        stats: { fullConvergence: 0, strong: 0, avgSignals: null },

        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.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({
                asset_type: this.filters.asset_type,
                min_signals: this.filters.min_signals,
                sort: this.sortBy,
                limit: 50,
                page: page,
            });
            const resp = await fetch(`/api/v1/market/screener/signal-convergence?${params}`);
            if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
            return await resp.json();
        },

        computeStats() {
            const items = this.items;
            if (!items.length) {
                this.stats = { fullConvergence: 0, strong: 0, avgSignals: null };
                return;
            }
            const counts = items.map(i => i.convergence_count || 0);
            const sum = counts.reduce((a, b) => a + b, 0);
            this.stats = {
                fullConvergence: items.filter(i => i.convergence_count === 8).length,
                strong: items.filter(i => i.convergence_count >= 6 && i.convergence_count <= 7).length,
                avgSignals: sum / counts.length,
            };
        },

        signalList(item) {
            return [
                { key: 'ml', label: 'ML', active: !!item.ml_bullish },
                { key: 'phase', label: 'Phase', active: !!item.phase_bullish },
                { key: 'ema', label: 'EMA', active: !!item.ema_bullish },
                { key: 'mean', label: 'Mean Rev', active: !!item.mean_reverting },
                { key: 'vel', label: 'Velocity', active: !!item.positive_velocity },
                { key: 'acc', label: 'Accel', active: !!item.positive_acceleration },
                { key: 'sig', label: 'Signal', active: !!item.signal_buy },
                { key: 'mtf', label: 'MTF', active: !!item.mtf_confirmed },
            ];
        },

        convergenceBorderClass(label) {
            return {
                'FULL_CONVERGENCE': 'border-emerald-800/60 hover:border-emerald-700',
                'STRONG': 'border-blue-800/60 hover:border-blue-700',
                'MODERATE': 'border-amber-800/60 hover:border-amber-700',
                'WEAK': 'border-gray-800 hover:border-gray-700',
                'NONE': 'border-red-800/60 hover:border-red-700',
            }[label] || 'border-gray-800 hover:border-gray-700';
        },

        convergenceBadgeClass(label) {
            return {
                'FULL_CONVERGENCE': 'bg-emerald-900/50 text-emerald-400 border border-emerald-800/50',
                'STRONG': 'bg-blue-900/50 text-blue-400 border border-blue-800/50',
                'MODERATE': 'bg-amber-900/50 text-amber-400 border border-amber-800/50',
                'WEAK': 'bg-gray-800 text-gray-400 border border-gray-700',
                'NONE': 'bg-red-900/50 text-red-400 border border-red-800/50',
            }[label] || 'bg-gray-800 text-gray-500';
        },

        convergenceBadgeText(label) {
            return {
                'FULL_CONVERGENCE': 'Full Convergence',
                'STRONG': 'Strong',
                'MODERATE': 'Moderate',
                'WEAK': 'Weak',
                'NONE': 'None',
            }[label] || label || '-';
        },

        shortMomentum(state) {
            if (!state) return '-';
            const map = {
                'ACCELERATING_UP': 'Accel Up',
                'REVERSING_UP': 'Rev Up',
                'DECELERATING_UP': 'Decel Up',
                'STABLE': 'Stable',
                'DECELERATING_DOWN': 'Decel Down',
                'ACCELERATING_DOWN': 'Accel Down',
                'REVERSING_DOWN': 'Rev Down',
            };
            return map[state] || state;
        },

        fmtNum(v) {
            if (v == null || isNaN(v)) return '-';
            return Number(v).toLocaleString('id-ID');
        },
        fmtPct(v) {
            if (v == null) return '-';
            return (v >= 0 ? '+' : '') + Number(v).toFixed(2) + '%';
        },
        fmtPrice(v) {
            if (v == null) return '-';
            return 'Rp ' + Number(v).toLocaleString('id-ID');
        },
    };
}
</script>
{% endblock %}