{% extends "base.html" %}
{% block title %}Portfolio Rebalancer{% endblock %}

{% block content %}
<div x-data="portfolioRebalancerPanel()" x-init="fetchData()" class="space-y-6">
    <div class="flex items-center justify-between flex-wrap gap-3">
        <div class="flex items-center gap-3">
            <a href="/market/assets" 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">
                    <span class="text-2xl">&#9878;</span> Portfolio Rebalancer
                </h1>
                <p class="text-sm text-gray-500 mt-0.5">Deteksi drift &amp; rekomendasi rebalance portfolio</p>
            </div>
        </div>
        <div class="flex items-center gap-3">
            <span class="text-xs text-gray-500" x-text="lastRefresh ? 'Updated ' + lastRefresh : ''"></span>
            <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-violet-600 hover:bg-violet-500 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>

    <div class="grid grid-cols-2 md:grid-cols-4 gap-4">
        <div class="glass rounded-xl border border-gray-800 p-4"><p class="text-xs text-gray-500 uppercase tracking-wider">Total Assets</p><p class="text-2xl font-bold text-white mt-1" x-text="fmtNum(stats.total_assets)"></p></div>
        <div class="glass rounded-xl border border-gray-800 p-4"><p class="text-xs text-gray-500 uppercase tracking-wider">Critical Rebalance</p><p class="text-2xl font-bold text-red-400 mt-1" x-text="fmtNum(stats.critical_count)"></p></div>
        <div class="glass rounded-xl border border-gray-800 p-4"><p class="text-xs text-gray-500 uppercase tracking-wider">Avg Drift</p><p class="text-2xl font-bold text-violet-400 mt-1" x-text="fmtPct(stats.avg_drift)"></p></div>
        <div class="glass rounded-xl border border-gray-800 p-4"><p class="text-xs text-gray-500 uppercase tracking-wider">Max Drift</p><p class="text-2xl font-bold text-amber-400 mt-1" x-text="stats.max_drift_symbol || '-'"></p></div>
    </div>

    <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-violet-500">
            <option value="crypto">Crypto</option><option value="stock">Saham IDX</option><option value="stock_us">Saham US</option>
        </select>
        <select x-model="filters.action" @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-violet-500">
            <option value="all">Semua Aksi</option><option value="increase">Increase</option><option value="decrease">Decrease</option><option value="hold">Hold</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-violet-500">
            <option value="drift_desc">Drift Terbesar</option><option value="quality_desc">Quality Terbaik</option><option value="name_asc">Nama A-Z</option>
        </select>
    </div>

    <template x-if="loading">
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-4"><template x-for="i in 6"><div class="glass rounded-xl border border-gray-800 p-5 animate-pulse"><div class="h-4 bg-gray-800 rounded w-1/3 mb-3"></div><div class="h-8 bg-gray-800 rounded w-1/4 mb-4"></div><div class="space-y-2"><div class="h-3 bg-gray-800 rounded w-full"></div><div class="h-3 bg-gray-800 rounded w-5/6"></div></div></div></template></div>
    </template>

    <template x-if="!loading && items.length > 0">
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-4">
            <template x-for="(item, idx) in items" :key="item.asset_id || idx">
                <div class="glass rounded-xl border border-gray-800 p-5 hover:border-violet-700/50 transition">
                    <div class="flex items-center justify-between mb-3">
                        <a :href="'/market/asset/' + item.asset_id" class="flex items-center gap-3 group min-w-0">
                            <img :src="item.icon_thumb_url" class="w-9 h-9 rounded-full flex-shrink-0" loading="lazy" onerror="this.style.display='none'" x-show="item.icon_thumb_url">
                            <span x-show="!item.icon_thumb_url" class="w-9 h-9 rounded-full bg-gray-700 flex items-center justify-center text-sm text-gray-400 flex-shrink-0" x-text="(item.symbol||'?')[0]"></span>
                            <div class="min-w-0"><p class="text-white font-semibold truncate group-hover:text-violet-300 transition" x-text="item.symbol"></p><p class="text-xs text-gray-500 truncate" x-text="item.name"></p></div>
                        </a>
                        <span class="px-2.5 py-0.5 rounded-full text-xs font-bold" :class="item.rebalance_action==='INCREASE'?'bg-emerald-500/20 text-emerald-300':item.rebalance_action==='DECREASE'?'bg-red-500/20 text-red-300':'bg-gray-500/20 text-gray-400'" x-text="item.rebalance_action"></span>
                    </div>

                    <div class="flex items-baseline gap-2 mb-3">
                        <span class="text-3xl font-bold tabular-nums" :class="(item.action_urgency||0)>=75?'text-red-400':(item.action_urgency||0)>=45?'text-amber-400':'text-emerald-400'" x-text="(item.action_urgency||0).toFixed(1)"></span>
                        <span class="text-xs text-gray-500">urgency</span>
                    </div>

                    <div class="grid grid-cols-3 gap-2 mb-3 text-center">
                        <div class="bg-gray-800/50 rounded-lg p-2"><p class="text-[10px] text-gray-500">Ideal %</p><p class="text-sm font-bold text-violet-400" x-text="(item.ideal_weight_pct||0).toFixed(2)+'%'"></p></div>
                        <div class="bg-gray-800/50 rounded-lg p-2"><p class="text-[10px] text-gray-500">Current %</p><p class="text-sm font-bold text-white" x-text="(item.simulated_current_weight||0).toFixed(2)+'%'"></p></div>
                        <div class="bg-gray-800/50 rounded-lg p-2"><p class="text-[10px] text-gray-500">Drift</p><p class="text-sm font-bold" :class="(item.drift_pct||0)>5?'text-red-400':'text-amber-400'" x-text="(item.drift_pct||0).toFixed(2)+'%'"></p></div>
                    </div>

                    <div class="mb-3">
                        <div class="flex justify-between text-[10px] mb-0.5"><span class="text-gray-400">Quality Score</span><span class="text-violet-300" x-text="(item.quality_score||0).toFixed(1)+'/100'"></span></div>
                        <div class="h-1.5 rounded-full bg-gray-800"><div class="h-full rounded-full bg-violet-500 transition-all" :style="'width:'+Math.min(100,item.quality_score||0)+'%'"></div></div>
                    </div>

                    <div class="flex items-center justify-between">
                        <span class="px-2 py-0.5 rounded-full text-[10px] font-medium" :class="item.urgency_tier==='CRITICAL_REBALANCE'?'bg-red-500/20 text-red-300':item.urgency_tier==='MODERATE_REBALANCE'?'bg-amber-500/20 text-amber-300':item.urgency_tier==='MINOR_ADJUSTMENT'?'bg-sky-500/20 text-sky-300':'bg-emerald-500/20 text-emerald-300'" x-text="(item.urgency_tier||'').replace(/_/g,' ')"></span>
                        <span class="text-sm text-gray-400 font-mono tabular-nums" x-text="fmtPrice(item.current_price_idr)"></span>
                    </div>
                </div>
            </template>
        </div>
    </template>

    <div x-show="!loading && hasMore" x-cloak class="text-center"><button @click="loadMore()" class="px-6 py-2.5 bg-violet-600 hover:bg-violet-500 text-white rounded-lg text-sm font-medium transition">Load More</button></div>
    <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="M12 3v17.25m0 0c-1.472 0-2.882.265-4.185.75M12 20.25c1.472 0 2.882.265 4.185.75"/></svg>
        <h3 class="mt-4 text-lg font-medium text-gray-400">Belum Ada Data Rebalancer</h3>
        <p class="mt-2 text-sm text-gray-600">Coba ubah filter untuk menemukan data.</p>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function portfolioRebalancerPanel(){return{items:[],loading:false,total:0,hasMore:false,page:1,lastRefresh:'',stats:{},filters:{asset_type:'{{ asset_mode }}',action:'all'},sortBy:'drift_desc',async fetchData(){this.loading=true;this.page=1;await this._fetch(1);this.loading=false},async loadMore(){this.page++;await this._fetch(this.page,true)},async _fetch(pg,append=false){try{const p=new URLSearchParams({asset_type:this.filters.asset_type,limit:'50',page:String(pg),sort:this.sortBy,action:this.filters.action});const r=await fetch(`/api/v1/market/screener/portfolio-rebalancer?${p}`);const d=await r.json();if(append){this.items.push(...(d.items||[]))}else{this.items=d.items||[]}this.total=d.total||0;this.hasMore=d.has_more||false;this.stats=d.stats||{};this.lastRefresh=new Date().toLocaleTimeString('id-ID')}catch(e){console.error('Rebalancer fetch error:',e)}},fmtNum(v){return v==null?'-':Number(v).toLocaleString('id-ID')},fmtPct(v){return v==null?'-':Number(v).toFixed(2)+'%'},fmtPrice(v){return v==null?'-':'Rp '+Number(v).toLocaleString('id-ID')}}}
</script>
{% endblock %}