{% extends "base.html" %}
{% block title %}Momentum Rotator{% endblock %}

{% block content %}
<div x-data="momentumRotatorPanel()" 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-orange-400" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99"/></svg>
                    Momentum Rotator
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Identifikasi rotasi sektor &amp; aset — kapan harus rotate in/out berdasarkan relative strength.</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-orange-600 hover:bg-orange-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 Analyzed</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">Rotate In</p>
            <p class="text-xl font-bold text-emerald-400 mt-1" x-text="stats.rotate_in_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">Rotate Out</p>
            <p class="text-xl font-bold text-red-400 mt-1" x-text="stats.rotate_out_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 Rotation Score</p>
            <p class="text-xl font-bold text-orange-400 mt-1" x-text="stats.avg_rotation_score != null ? stats.avg_rotation_score.toFixed(1) : '-'"></p>
        </div>
    </div>

    <!-- Filters & Sort -->
    <div class="flex flex-wrap items-center gap-2">
        <select x-model="filters.asset_type" @change="page=1; 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-orange-500">
            <option value="crypto">Kripto</option>
            <option value="stock">Saham IDX</option>
            <option value="stock_us">Saham US</option>
        </select>

        <select x-model="filters.timeframe" @change="page=1; 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-orange-500">
            <option value="1d">1 Hari</option>
            <option value="7d">7 Hari</option>
            <option value="30d">30 Hari</option>
        </select>

        <select x-model="sortBy" @change="page=1; 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-orange-500">
            <option value="rotation_score_desc">Rotation Score</option>
            <option value="sector_asc">Sektor 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="page=1; fetchData()"
                   placeholder="Cari koin/saham..."
                   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-orange-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-orange-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 rotasi momentum...</p>
    </div>

    <!-- Error State -->
    <div x-show="!loading && error" x-cloak
         class="text-center py-12 glass rounded-xl border border-red-800">
        <svg class="mx-auto h-10 w-10 text-red-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>
        <p class="mt-3 text-sm text-red-400" x-text="error"></p>
        <button @click="fetchData()" class="mt-3 px-4 py-1.5 text-sm bg-gray-800 hover:bg-gray-700 text-gray-300 rounded-lg 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="M16.023 9.348h4.992v-.001M2.985 19.644v-4.992m0 0h4.992m-4.993 0l3.181 3.183a8.25 8.25 0 0013.803-3.7M4.031 9.865a8.25 8.25 0 0113.803-3.7l3.181 3.182m0-4.991v4.99"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Data Rotasi</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Jalankan analisis di <a href="/admin/workflow" class="text-orange-400 hover:text-orange-300">Pipeline Workflow</a> terlebih dahulu.
        </p>
    </div>

    <!-- Result Cards Grid -->
    <div x-show="!loading && !error && items.length > 0" x-cloak class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
        <template x-for="(item, idx) in items" :key="item.asset_id || idx">
            <div class="glass rounded-xl border overflow-hidden transition hover:scale-[1.01]"
                 :class="item.rotation_signal === 'rotate_in' ? 'border-emerald-800/60 hover:border-emerald-700' :
                         item.rotation_signal === 'rotate_out' ? 'border-red-800/60 hover:border-red-700' :
                         'border-gray-800 hover:border-gray-700'"
                 :style="'animation-delay: ' + (idx * 40) + '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 min-w-0">
                            <img :src="item.icon_url || (item.symbol ? __stockIconUrl(item.symbol) : '')"
                                 :data-symbol="item.symbol"
                                 class="w-9 h-9 rounded-full flex-shrink-0" loading="lazy"
                                 onerror="__iconError(this)">
                            <div class="min-w-0">
                                <span class="text-white font-semibold group-hover:text-orange-400 transition truncate block" 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 || '').toUpperCase()"></span>
                                    <span x-show="item.sector" class="text-[10px] px-1.5 py-0.5 rounded bg-orange-900/30 text-orange-400 border border-orange-900/30 truncate max-w-[100px]" x-text="item.sector"></span>
                                </div>
                            </div>
                        </a>
                        <!-- Rotation Score -->
                        <div class="text-right flex-shrink-0 ml-2">
                            <div class="text-2xl font-bold tabular-nums"
                                 :class="item.rotation_score >= 70 ? 'text-orange-400' :
                                         item.rotation_score >= 50 ? 'text-amber-400' : 'text-gray-400'"
                                 x-text="item.rotation_score != null ? item.rotation_score.toFixed(1) : '-'"></div>
                            <div class="text-[10px] text-gray-500 uppercase tracking-wider">Score</div>
                        </div>
                    </div>
                </div>

                <!-- Signal Badge -->
                <div class="px-4 pb-3">
                    <span class="inline-flex items-center gap-1.5 px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider"
                          :class="signalBadgeClass(item.rotation_signal)">
                        <span class="w-1.5 h-1.5 rounded-full"
                              :class="item.rotation_signal === 'rotate_in' ? 'bg-emerald-300' :
                                      item.rotation_signal === 'rotate_out' ? 'bg-red-300' : 'bg-gray-400'"></span>
                        <span x-text="signalLabel(item.rotation_signal)"></span>
                    </span>
                </div>

                <!-- Relative Strength vs Sector Bar -->
                <div class="mx-4 mb-3 bg-gray-800/50 rounded-lg p-3">
                    <div class="flex items-center justify-between mb-2">
                        <span class="text-[10px] font-semibold text-orange-500 uppercase tracking-wider">Relative Strength vs Sector</span>
                        <span class="text-xs font-mono tabular-nums"
                              :class="(item.relative_strength || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                              x-text="fmtPct(item.relative_strength)"></span>
                    </div>
                    <div class="w-full h-2.5 bg-gray-700 rounded-full overflow-hidden relative">
                        <div class="absolute left-1/2 top-0 w-px h-full bg-gray-500"></div>
                        <div class="absolute h-full rounded-full transition-all duration-500"
                             :class="(item.relative_strength || 0) >= 0 ? 'bg-emerald-500' : 'bg-red-500'"
                             :style="rsBarStyle(item.relative_strength)"></div>
                    </div>
                    <div class="flex justify-between mt-1.5 text-[10px] text-gray-500">
                        <span>Underperform</span>
                        <span>Outperform</span>
                    </div>
                </div>

                <!-- Sector Average Comparison -->
                <div class="mx-4 mb-3 grid grid-cols-3 gap-2 text-center">
                    <div class="bg-gray-800/50 rounded-lg py-2">
                        <div class="text-[10px] text-gray-500">Asset Perf</div>
                        <div class="text-sm font-medium tabular-nums"
                             :class="(item.asset_performance || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                             x-text="fmtPct(item.asset_performance)"></div>
                    </div>
                    <div class="bg-gray-800/50 rounded-lg py-2">
                        <div class="text-[10px] text-gray-500">Sector Avg</div>
                        <div class="text-sm font-medium tabular-nums"
                             :class="(item.sector_average || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                             x-text="fmtPct(item.sector_average)"></div>
                    </div>
                    <div class="bg-gray-800/50 rounded-lg py-2">
                        <div class="text-[10px] text-gray-500">Momentum</div>
                        <div class="text-sm font-medium tabular-nums"
                             :class="(item.momentum_score || 0) >= 50 ? 'text-orange-400' : 'text-gray-400'"
                             x-text="item.momentum_score != null ? item.momentum_score.toFixed(0) : '-'"></div>
                    </div>
                </div>

                <!-- Price Row -->
                <div class="px-4 pb-3 flex items-center justify-between text-sm">
                    <span class="text-gray-400" x-text="fmtPrice(item.current_price)"></span>
                    <span class="text-xs tabular-nums"
                          :class="(item.price_change_pct || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                          x-text="fmtPct(item.price_change_pct)"></span>
                </div>
            </div>
        </template>
    </div>

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

{% block scripts %}
<script>
function momentumRotatorPanel() {
    return {
        items: [],
        total: 0,
        loading: false,
        error: null,
        stats: {},
        filters: {
            asset_type: '{{ asset_mode }}',
            timeframe: '7d',
        },
        sortBy: 'rotation_score_desc',
        searchQ: '',
        page: 1,
        limit: 20,

        get totalPages() {
            return Math.max(1, Math.ceil(this.total / this.limit));
        },

        async fetchData() {
            this.loading = true;
            this.error = null;
            try {
                const params = new URLSearchParams({
                    asset_type: this.filters.asset_type,
                    timeframe: this.filters.timeframe,
                    sort: this.sortBy,
                    limit: this.limit,
                    page: this.page,
                    q: this.searchQ,
                });
                const r = await fetch(`/api/v1/market/momentum-rotator?${params}`);
                if (r.redirected) { window.location.href = '/admin/login'; return; }
                if (!r.ok) throw new Error(`HTTP ${r.status}`);
                const d = await r.json();
                this.items = d.items || [];
                this.total = d.total || 0;
                this.stats = d.stats || {};
            } catch (e) {
                this.error = e.message;
                this.items = [];
            } finally {
                this.loading = false;
            }
        },

        signalBadgeClass(signal) {
            return {
                'rotate_in': 'bg-emerald-900/50 text-emerald-400 border border-emerald-800/50',
                'rotate_out': 'bg-red-900/50 text-red-400 border border-red-800/50',
                'hold': 'bg-gray-800 text-gray-400 border border-gray-700',
            }[signal] || 'bg-gray-800 text-gray-500 border border-gray-700';
        },

        signalLabel(signal) {
            return {
                'rotate_in': 'Rotate In',
                'rotate_out': 'Rotate Out',
                'hold': 'Hold',
            }[signal] || signal || '-';
        },

        rsBarStyle(val) {
            if (val == null) return 'width: 0; left: 50%';
            const clamped = Math.max(-100, Math.min(100, val));
            const pct = Math.abs(clamped) / 2;
            if (clamped >= 0) {
                return `left: 50%; width: ${pct}%`;
            } else {
                return `right: 50%; width: ${pct}%`;
            }
        },

        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 >= 1e9) return 'Rp ' + new Intl.NumberFormat('id-ID', {maximumFractionDigits: 1}).format(val / 1e9) + '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 %}