{% extends "base.html" %}
{% block title %}Sector Rotation Tracker{% endblock %}

{% block content %}
<div x-data="sectorRotationPanel()" 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 3.182"/></svg>
                    Sector Rotation Tracker
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Track which asset categories are rotating into strength &mdash; identify sector momentum leaders.</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 Scanned</p>
            <p class="text-xl font-bold text-white mt-1" x-text="stats.total"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Leading</p>
            <p class="text-xl font-bold text-orange-400 mt-1" x-text="stats.leading_count"></p>
        </div>
        <div class="glass rounded-xl border border-gray-800 p-3">
            <p class="text-xs text-gray-500 uppercase tracking-wider">Strongest Sector</p>
            <p class="text-lg font-bold text-orange-300 mt-1 capitalize" x-text="stats.strongest_sector || '-'"></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</p>
            <p class="text-xl font-bold text-orange-300 mt-1" x-text="stats.avg_rotation ? stats.avg_rotation.toFixed(1) : '-'"></p>
        </div>
    </div>

    <!-- Filters & Sort -->
    <div class="flex flex-wrap items-center gap-2">
        <select x-model="filters.phase" @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-orange-500">
            <option value="all">All Phases</option>
            <option value="leading">Leading</option>
            <option value="improving">Improving</option>
            <option value="lagging">Lagging</option>
            <option value="weakening">Weakening</option>
        </select>

        <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-orange-500">
            <option value="all">All Assets</option>
            <option value="crypto">Crypto</option>
            <option value="stock">Stock IDX</option>
            <option value="stock_us">Stock US</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-orange-500">
            <option value="rotation_desc">Highest Rotation</option>
            <option value="relative_strength_desc">Strongest Relative</option>
            <option value="sector_momentum_desc">Sector Momentum</option>
            <option value="market_cap">Market Cap</option>
            <option value="name_asc">Name 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-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">Analyzing sector rotation patterns...</p>
    </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" 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 3.182"/>
        </svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">No Sector Rotation Data</h3>
        <p class="mt-2 text-sm text-gray-600 max-w-md mx-auto">
            Run all scans from
            <a href="/admin/workflow" class="text-orange-400 hover:text-orange-300">Pipeline Workflow</a>
            first to generate sector analysis data.
        </p>
    </div>

    <!-- Cards 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">
            <div class="glass rounded-xl border overflow-hidden animate-fadeIn transition"
                 :class="item.phase === 'LEADING' ? 'border-orange-700/60 hover:border-orange-600' :
                         item.phase === 'IMPROVING' ? 'border-orange-800/50 hover:border-orange-700' :
                         'border-gray-800 hover:border-gray-700'"
                 :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 min-w-0">
                            <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 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"></span>
                                    <span class="text-[10px] px-1.5 py-0.5 rounded font-semibold uppercase tracking-wider"
                                          :class="phaseBadge(item.phase)"
                                          x-text="phaseLabel(item.phase)"></span>
                                </div>
                            </div>
                        </a>
                        <!-- Score -->
                        <div class="text-right flex-shrink-0 ml-3">
                            <div class="text-2xl font-bold tabular-nums"
                                 :class="item.rotation_score >= 75 ? 'text-orange-400' :
                                         item.rotation_score >= 55 ? 'text-orange-300' :
                                         item.rotation_score >= 35 ? 'text-amber-400' : 'text-gray-400'"
                                 x-text="item.rotation_score.toFixed(1)"></div>
                            <div class="text-[10px] text-gray-500 uppercase tracking-wider">Rotation</div>
                        </div>
                    </div>
                    <!-- Price Row -->
                    <div class="flex items-center justify-between mt-2 text-sm">
                        <span class="text-gray-400" x-text="item.current_price_idr ? 'Rp ' + formatNumber(item.current_price_idr) : '-'"></span>
                        <div class="flex items-center gap-2 text-xs">
                            <span :class="(item.price_change_7d || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                                  x-text="item.price_change_7d != null ? (item.price_change_7d >= 0 ? '+' : '') + item.price_change_7d.toFixed(1) + '%' : ''"></span>
                            <span class="text-gray-600">7d</span>
                            <span :class="(item.price_change_30d || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                                  x-text="item.price_change_30d != null ? (item.price_change_30d >= 0 ? '+' : '') + item.price_change_30d.toFixed(1) + '%' : ''"></span>
                            <span class="text-gray-600">30d</span>
                        </div>
                    </div>
                </div>

                <!-- Relative Strength & Sector -->
                <div class="mx-4 mb-3 bg-orange-950/20 border border-orange-900/30 rounded-lg p-3">
                    <div class="text-[10px] font-semibold text-orange-400 uppercase tracking-wider mb-2">Sector Context</div>
                    <div class="grid grid-cols-3 gap-2 text-center">
                        <div>
                            <div class="text-[10px] text-gray-500">Relative Str</div>
                            <div class="text-sm font-medium"
                                 :class="(item.relative_strength || 0) >= 2 ? 'text-emerald-400' : (item.relative_strength || 0) >= 0 ? 'text-orange-300' : 'text-red-400'"
                                 x-text="item.relative_strength != null ? (item.relative_strength >= 0 ? '+' : '') + item.relative_strength.toFixed(1) : '-'"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Sector Mom</div>
                            <div class="text-sm font-medium text-orange-300"
                                 x-text="item.sector_momentum != null ? item.sector_momentum.toFixed(0) : '-'"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Breadth</div>
                            <div class="text-sm font-medium"
                                 :class="(item.sector_bullish_pct || 0) >= 50 ? 'text-emerald-400' : 'text-amber-400'"
                                 x-text="item.sector_bullish_pct != null ? item.sector_bullish_pct.toFixed(0) + '%' : '-'"></div>
                        </div>
                    </div>
                    <!-- Sector avg bar -->
                    <div class="mt-2 flex items-center gap-2 text-[10px]">
                        <span class="text-gray-500 capitalize" x-text="'Sector: ' + (item.sector_name || '-')"></span>
                        <span class="text-gray-600">|</span>
                        <span :class="(item.sector_avg_7d || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                              x-text="'Avg 7d: ' + (item.sector_avg_7d != null ? (item.sector_avg_7d >= 0 ? '+' : '') + item.sector_avg_7d.toFixed(1) + '%' : '-')"></span>
                        <span class="text-gray-600">|</span>
                        <span class="text-gray-400" x-text="(item.sector_total_coins || 0) + ' coins'"></span>
                    </div>
                </div>

                <!-- Component Bars -->
                <div class="px-4 pb-3">
                    <div class="space-y-1.5">
                        <template x-for="comp in componentList(item)" :key="comp.key">
                            <div class="flex items-center justify-between">
                                <span class="text-[10px] text-gray-400 w-28 flex-shrink-0" x-text="comp.label"></span>
                                <div class="flex items-center gap-2 flex-1">
                                    <div class="flex-1 h-1.5 bg-gray-800 rounded-full overflow-hidden">
                                        <div class="h-full rounded-full transition-all duration-500"
                                             :class="comp.color"
                                             :style="'width: ' + (comp.value / comp.max * 100) + '%'"></div>
                                    </div>
                                    <span class="text-[10px] tabular-nums text-gray-500 w-8 text-right" x-text="comp.value + '/' + comp.max"></span>
                                </div>
                            </div>
                        </template>
                    </div>
                </div>

                <!-- Score Bar -->
                <div class="px-4 pb-3">
                    <div class="flex items-center justify-between text-xs mb-1">
                        <span class="text-gray-400">Rotation Score</span>
                        <span class="font-bold tabular-nums"
                              :class="item.rotation_score >= 75 ? 'text-orange-400' :
                                      item.rotation_score >= 55 ? 'text-orange-300' :
                                      item.rotation_score >= 35 ? 'text-amber-400' : 'text-gray-400'"
                              x-text="item.rotation_score.toFixed(1) + '/100'"></span>
                    </div>
                    <div class="w-full h-2 bg-gray-900 rounded-full overflow-hidden">
                        <div class="h-full rounded-full transition-all duration-500"
                             :class="item.rotation_score >= 75 ? 'bg-orange-500' :
                                     item.rotation_score >= 55 ? 'bg-orange-600' :
                                     item.rotation_score >= 35 ? 'bg-amber-500' : 'bg-gray-600'"
                             :style="'width: ' + Math.min(item.rotation_score, 100) + '%'"></div>
                    </div>
                </div>

                <!-- Context Row -->
                <div class="px-4 pb-4 border-t border-gray-800 pt-3">
                    <div class="grid grid-cols-3 gap-2 text-center">
                        <div>
                            <div class="text-[10px] text-gray-500">Phase</div>
                            <div class="text-[11px] font-medium text-gray-300 capitalize" x-text="shortPhase(item.bullish_phase)"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Momentum</div>
                            <div class="text-[11px] font-medium text-gray-300" x-text="shortMomentum(item.momentum_state)"></div>
                        </div>
                        <div>
                            <div class="text-[10px] text-gray-500">Bull Score</div>
                            <div class="text-[11px] font-medium"
                                 :class="(item.bullish_score || 0) >= 60 ? 'text-emerald-400' : (item.bullish_score || 0) >= 40 ? 'text-amber-400' : 'text-gray-400'"
                                 x-text="item.bullish_score ? item.bullish_score.toFixed(0) : '-'"></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...' : 'Load More (' + (total - items.length) + ' remaining)'"></span>
        </button>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function sectorRotationPanel() {
    return {
        items: [],
        loading: false,
        loadingMore: false,
        total: 0,
        hasMore: false,
        page: 1,
        filters: {
            phase: 'all',
            asset_type: '{{ asset_mode }}',
        },
        sortBy: 'rotation_desc',
        stats: { total: 0, leading_count: 0, avg_rotation: 0, strongest_sector: '' },

        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.stats = data.stats || this.stats;
            } 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;
            } catch (e) {
                console.error('Load more error:', e);
                this.page--;
            } finally {
                this.loadingMore = false;
            }
        },

        async _fetch(page) {
            const params = new URLSearchParams({
                phase: this.filters.phase,
                asset_type: this.filters.asset_type,
                sort: this.sortBy,
                limit: 20,
                page: page,
            });
            const resp = await fetch(`/api/v1/market/screener/sector-rotation?${params}`);
            if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
            return await resp.json();
        },

        componentList(item) {
            const c = item.components || {};
            return [
                { key: 'cat_momentum', label: 'Category Momentum', value: c.category_momentum || 0, max: 30, color: 'bg-orange-500' },
                { key: 'rel_strength', label: 'Relative Strength', value: c.relative_strength || 0, max: 25, color: 'bg-amber-500' },
                { key: 'flow_dir', label: 'Flow Direction', value: c.flow_direction || 0, max: 20, color: 'bg-blue-500' },
                { key: 'cycle_pos', label: 'Cycle Position', value: c.cycle_position || 0, max: 15, color: 'bg-purple-500' },
                { key: 'breadth', label: 'Breadth', value: c.breadth || 0, max: 10, color: 'bg-emerald-500' },
            ];
        },

        phaseBadge(p) {
            return {
                'LEADING': 'bg-orange-900/50 text-orange-300 border border-orange-700/50',
                'IMPROVING': 'bg-orange-900/40 text-orange-400 border border-orange-800/50',
                'LAGGING': 'bg-amber-900/40 text-amber-400 border border-amber-800/50',
                'WEAKENING': 'bg-gray-800 text-gray-400 border border-gray-700',
            }[p] || 'bg-gray-800 text-gray-500';
        },

        phaseLabel(p) {
            return {
                'LEADING': 'Leading',
                'IMPROVING': 'Improving',
                'LAGGING': 'Lagging',
                'WEAKENING': 'Weakening',
            }[p] || p;
        },

        shortPhase(p) {
            if (!p) return '-';
            const map = {
                'EARLY_BULLISH': 'Early Bull',
                'PEAK_BULLISH': 'Peak Bull',
                'DISTRIBUTION': 'Distribution',
                'ACCUMULATION': 'Accumulation',
                'NOT_BULLISH': 'Not Bullish',
            };
            return map[p] || p;
        },

        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;
        },

        formatNumber(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 %}