{% extends "base.html" %}
{% block title %}Swing Failure Pattern (SFP){% endblock %}

{% block content %}
<div x-data="swingFailureApp()" x-init="init()" class="space-y-6">

    <!-- Header -->
    <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-4">
        <div>
            <h1 class="text-2xl font-bold text-white flex items-center gap-3">
                <div class="p-2 bg-koin-600/20 rounded-xl">
                    <svg class="w-6 h-6 text-koin-400" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M2.25 18L9 11.25l4.306 4.307a11.95 11.95 0 015.814-5.519l2.74-1.22m0 0l-5.94-2.28m5.94 2.28l-2.28 5.941"/></svg>
                </div>
                Swing Failure Pattern (SFP)
            </h1>
            <p class="text-gray-400 text-sm mt-1">Detect liquidity sweeps and swing failure patterns at key levels</p>
        </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="px-4 py-2 bg-koin-600 hover:bg-koin-500 text-white text-sm font-medium rounded-lg transition disabled:opacity-50 flex items-center gap-2">
                <svg x-show="loading" class="w-4 h-4 animate-spin" fill="none" viewBox="0 0 24 24"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"/><path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"/></svg>
                <span x-text="loading ? 'Scanning...' : 'Refresh'"></span>
            </button>
        </div>
    </div>

    <!-- Loading -->
    <div x-show="loading && items.length === 0" x-cloak class="flex items-center justify-center py-16">
        <div class="text-center">
            <svg class="w-8 h-8 animate-spin text-koin-400 mx-auto mb-3" fill="none" viewBox="0 0 24 24">
                <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"/>
                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"/>
            </svg>
            <p class="text-sm text-gray-500">Scanning for swing failure patterns...</p>
        </div>
    </div>

    <!-- Error -->
    <div x-show="error" x-cloak class="bg-red-900/20 border border-red-800 rounded-xl p-4">
        <p class="text-sm text-red-400" x-text="error"></p>
    </div>

    <!-- Content -->
    <div x-show="!loading || items.length > 0" x-cloak>

        <!-- Summary Cards -->
        <div class="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
            <div class="bg-gray-800 border border-gray-700 rounded-xl p-4">
                <div class="text-xs text-gray-400 uppercase tracking-wider">Total Scanned</div>
                <div class="text-2xl font-bold text-white mt-1" x-text="items.length"></div>
            </div>
            <div class="bg-gray-800 border border-emerald-700/30 rounded-xl p-4">
                <div class="text-xs text-gray-400 uppercase tracking-wider">Bullish SFP</div>
                <div class="text-2xl font-bold text-emerald-400 mt-1" x-text="bullishCount"></div>
            </div>
            <div class="bg-gray-800 border border-red-700/30 rounded-xl p-4">
                <div class="text-xs text-gray-400 uppercase tracking-wider">Bearish SFP</div>
                <div class="text-2xl font-bold text-red-400 mt-1" x-text="bearishCount"></div>
            </div>
            <div class="bg-gray-800 border border-koin-700/30 rounded-xl p-4">
                <div class="text-xs text-gray-400 uppercase tracking-wider">Active Patterns</div>
                <div class="text-2xl font-bold text-koin-400 mt-1" x-text="activeCount"></div>
            </div>
        </div>

        <!-- SFP Strength Distribution -->
        <template x-if="items.length > 0">
            <div class="bg-gray-800 border border-gray-700 rounded-xl p-5 mb-6">
                <h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-4">Pattern Strength Distribution</h3>
                <div class="grid grid-cols-2 md:grid-cols-4 gap-3">
                    <div class="bg-emerald-900/20 border border-emerald-800/30 rounded-lg p-3 text-center">
                        <div class="text-[10px] text-gray-400 uppercase">Strong (&gt;70)</div>
                        <div class="text-xl font-bold text-emerald-400 mt-1" x-text="items.filter(i => (i.sfp_score || 0) > 70).length"></div>
                    </div>
                    <div class="bg-amber-900/20 border border-amber-800/30 rounded-lg p-3 text-center">
                        <div class="text-[10px] text-gray-400 uppercase">Moderate (40-70)</div>
                        <div class="text-xl font-bold text-amber-400 mt-1" x-text="items.filter(i => (i.sfp_score || 0) >= 40 && (i.sfp_score || 0) <= 70).length"></div>
                    </div>
                    <div class="bg-gray-800/50 border border-gray-700/50 rounded-lg p-3 text-center">
                        <div class="text-[10px] text-gray-400 uppercase">Weak (&lt;40)</div>
                        <div class="text-xl font-bold text-gray-400 mt-1" x-text="items.filter(i => (i.sfp_score || 0) < 40).length"></div>
                    </div>
                    <div class="bg-koin-900/20 border border-koin-800/30 rounded-lg p-3 text-center">
                        <div class="text-[10px] text-gray-400 uppercase">Avg Reliability</div>
                        <div class="text-xl font-bold text-koin-400 mt-1" x-text="avgReliability + '%'"></div>
                    </div>
                </div>
            </div>
        </template>

        <!-- Info Box -->
        <div class="bg-koin-900/15 border border-koin-700/25 rounded-xl p-4 mb-6">
            <div class="flex items-start gap-3">
                <svg class="w-5 h-5 text-koin-400 mt-0.5 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
                <div>
                    <h4 class="text-sm font-medium text-koin-300">Understanding Swing Failure Patterns</h4>
                    <p class="text-xs text-gray-400 mt-1">A <strong class="text-gray-300">Swing Failure Pattern (SFP)</strong> occurs when price sweeps above/below a key level (taking liquidity) but fails to close beyond it. <strong class="text-gray-300">Bullish SFP</strong> sweeps below a low then reverses up. <strong class="text-gray-300">Bearish SFP</strong> sweeps above a high then reverses down. Faster recovery speed indicates stronger institutional interest.</p>
                    <div class="flex flex-wrap gap-3 mt-2">
                        <span class="text-[10px] text-gray-500 flex items-center gap-1"><span class="w-2 h-2 rounded-full bg-emerald-500"></span> Fast recovery = strong reversal</span>
                        <span class="text-[10px] text-gray-500 flex items-center gap-1"><span class="w-2 h-2 rounded-full bg-amber-500"></span> Moderate = confirmation needed</span>
                        <span class="text-[10px] text-gray-500 flex items-center gap-1"><span class="w-2 h-2 rounded-full bg-red-500"></span> Slow = weak pattern</span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Filters -->
        <div class="flex flex-col sm:flex-row gap-3 mb-6">
            <div class="flex gap-1 bg-gray-900 p-1 rounded-xl border border-gray-700">
                <template x-for="f in [{v:'all',l:'All'},{v:'bullish',l:'Bullish SFP'},{v:'bearish',l:'Bearish SFP'}]" :key="f.v">
                    <button @click="filter = f.v"
                            class="px-3 py-1.5 text-xs font-medium rounded-lg transition"
                            :class="filter === f.v ? 'bg-koin-600 text-white' : 'text-gray-400 hover:text-gray-300 hover:bg-gray-800'"
                            x-text="f.l"></button>
                </template>
            </div>
            <div class="relative flex-1">
                <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="search" placeholder="Search symbol..."
                       class="w-full pl-10 pr-4 py-2 bg-gray-800 border border-gray-700 rounded-lg text-sm text-gray-200 focus:outline-none focus:ring-1 focus:ring-koin-500">
            </div>
        </div>

        <!-- Cards Grid -->
        <div class="grid grid-cols-1 lg:grid-cols-2 gap-4">
            <template x-for="(item, idx) in filteredItems" :key="item.symbol || idx">
                <div class="bg-gray-800 border border-gray-700 rounded-xl p-5 hover:border-gray-600 transition">
                    <!-- Coin Header -->
                    <div class="flex items-center justify-between mb-4">
                        <div class="flex items-center gap-3">
                            <span class="text-white font-bold text-lg" x-text="item.symbol"></span>
                            <span class="text-xs text-gray-500" x-text="fmtPrice(item.current_price)"></span>
                        </div>
                        <div class="flex items-center gap-2">
                            <span class="px-2 py-0.5 text-xs font-medium rounded-full"
                                  :class="item.bias === 'bullish' ? 'bg-emerald-900/50 text-emerald-300' : item.bias === 'bearish' ? 'bg-red-900/50 text-red-300' : 'bg-gray-700 text-gray-300'"
                                  x-text="(item.bias || 'neutral').toUpperCase()"></span>
                            <span class="text-sm font-bold"
                                  :class="(item.sfp_score || 0) >= 70 ? 'text-koin-400' : (item.sfp_score || 0) >= 40 ? 'text-amber-400' : 'text-gray-400'"
                                  x-text="fmt(item.sfp_score, 0)"></span>
                        </div>
                    </div>

                    <!-- SFP Score Bar -->
                    <div class="mb-4">
                        <div class="flex items-center justify-between text-xs text-gray-500 mb-1">
                            <span>SFP Score</span>
                            <span x-text="fmt(item.sfp_score, 0) + '/100'"></span>
                        </div>
                        <div class="w-full bg-gray-700 rounded-full h-2">
                            <div class="h-2 rounded-full transition-all"
                                 :class="(item.sfp_score || 0) >= 70 ? 'bg-koin-500' : (item.sfp_score || 0) >= 40 ? 'bg-amber-500' : 'bg-gray-500'"
                                 :style="'width:' + (item.sfp_score || 0) + '%'"></div>
                        </div>
                    </div>

                    <!-- Active SFP -->
                    <template x-if="item.active_sfp">
                        <div class="bg-gray-900/60 border border-gray-700/50 rounded-lg p-4 mb-4">
                            <div class="flex items-center justify-between mb-3">
                                <div class="flex items-center gap-2">
                                    <span class="text-xs font-bold text-gray-300 uppercase">Active Pattern</span>
                                    <span class="px-2 py-0.5 text-xs font-medium rounded-full"
                                          :class="item.active_sfp.type === 'bullish' ? 'bg-emerald-900/50 text-emerald-300' : 'bg-red-900/50 text-red-300'"
                                          x-text="(item.active_sfp.type || '').toUpperCase() + ' SFP'"></span>
                                </div>
                                <span class="px-2 py-0.5 text-xs font-medium rounded-full"
                                      :class="speedBadge(item.active_sfp.recovery_speed)"
                                      x-text="(item.active_sfp.recovery_speed || '-').toUpperCase()"></span>
                            </div>

                            <div class="grid grid-cols-2 gap-x-4 gap-y-1.5 text-xs mb-3">
                                <div class="flex justify-between">
                                    <span class="text-gray-500">Key Level</span>
                                    <span class="text-gray-300" x-text="fmtPrice(item.active_sfp.key_level)"></span>
                                </div>
                                <div class="flex justify-between">
                                    <span class="text-gray-500">Sweep Depth</span>
                                    <span class="text-gray-300" x-text="fmtPct(item.active_sfp.sweep_depth)"></span>
                                </div>
                            </div>

                            <!-- Reliability Score -->
                            <div class="mb-3">
                                <div class="flex items-center justify-between text-[10px] text-gray-500 mb-1">
                                    <span>Reliability</span>
                                    <span x-text="fmt(item.active_sfp.reliability, 0) + '%'"></span>
                                </div>
                                <div class="w-full bg-gray-700 rounded-full h-1.5">
                                    <div class="h-1.5 rounded-full bg-koin-500 transition-all"
                                         :style="'width:' + (item.active_sfp.reliability || 0) + '%'"></div>
                                </div>
                            </div>

                            <!-- Trade Levels -->
                            <div class="grid grid-cols-2 gap-2 text-xs">
                                <div class="bg-gray-800/60 rounded p-2">
                                    <div class="text-[10px] text-gray-500">Entry</div>
                                    <div class="text-gray-300 font-medium" x-text="fmtPrice(item.active_sfp.entry)"></div>
                                </div>
                                <div class="bg-gray-800/60 rounded p-2">
                                    <div class="text-[10px] text-gray-500">Stop Loss</div>
                                    <div class="text-red-400 font-medium" x-text="fmtPrice(item.active_sfp.stop_loss)"></div>
                                </div>
                                <div class="bg-gray-800/60 rounded p-2">
                                    <div class="text-[10px] text-gray-500">TP1</div>
                                    <div class="text-emerald-400 font-medium" x-text="fmtPrice(item.active_sfp.tp1)"></div>
                                </div>
                                <div class="bg-gray-800/60 rounded p-2">
                                    <div class="text-[10px] text-gray-500">TP2</div>
                                    <div class="text-emerald-400 font-medium" x-text="fmtPrice(item.active_sfp.tp2)"></div>
                                </div>
                            </div>
                            <div class="mt-2 flex justify-end">
                                <span class="text-[10px] text-gray-500" x-text="'R:R ' + fmt(item.active_sfp.rr_ratio, 2)"></span>
                            </div>

                            <!-- Description -->
                            <p x-show="item.active_sfp.description" class="text-xs text-gray-400 mt-2 leading-relaxed" x-text="item.active_sfp.description"></p>
                        </div>
                    </template>

                    <!-- No Active SFP -->
                    <div x-show="!item.active_sfp" class="bg-gray-900/30 border border-gray-700/30 rounded-lg p-3 mb-4 text-center">
                        <p class="text-xs text-gray-500">No active SFP pattern detected</p>
                    </div>

                    <!-- Liquidity Pools -->
                    <div class="mb-3" x-show="(item.liquidity_pools || []).length > 0">
                        <div class="text-[10px] text-gray-500 uppercase tracking-wider font-medium mb-2">Liquidity Pools</div>
                        <div class="space-y-1.5">
                            <template x-for="(pool, pi) in item.liquidity_pools || []" :key="pi">
                                <div class="flex items-center justify-between bg-gray-900/40 rounded-lg px-3 py-2">
                                    <div class="flex items-center gap-2">
                                        <span class="px-1.5 py-0.5 text-[10px] font-medium rounded"
                                              :class="pool.type === 'equal_lows' ? 'bg-emerald-900/50 text-emerald-300' : 'bg-red-900/50 text-red-300'"
                                              x-text="pool.type === 'equal_lows' ? 'EQL' : 'EQH'"></span>
                                        <span class="text-xs text-gray-300" x-text="fmtPrice(pool.level)"></span>
                                    </div>
                                    <span class="px-2 py-0.5 text-[10px] font-medium rounded-full"
                                          :class="pool.risk === 'high' ? 'bg-red-900/50 text-red-300' : pool.risk === 'medium' ? 'bg-amber-900/50 text-amber-300' : 'bg-gray-700 text-gray-300'"
                                          x-text="(pool.risk || 'low').toUpperCase() + ' RISK'"></span>
                                </div>
                            </template>
                        </div>
                    </div>

                    <!-- Key Insight -->
                    <div x-show="item.key_insight" class="border-t border-gray-700 pt-3">
                        <p class="text-xs text-gray-400 leading-relaxed" x-text="item.key_insight"></p>
                    </div>
                </div>
            </template>
        </div>

        <!-- Empty States -->
        <div x-show="filteredItems.length === 0 && items.length > 0" x-cloak class="text-center py-16">
            <p class="text-gray-500">No items matching your filters</p>
        </div>
        <div x-show="items.length === 0 && !loading && !error" x-cloak class="text-center py-16">
            <svg class="w-12 h-12 text-gray-600 mx-auto mb-3" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M2.25 18L9 11.25l4.306 4.307a11.95 11.95 0 015.814-5.519l2.74-1.22m0 0l-5.94-2.28m5.94 2.28l-2.28 5.941"/></svg>
            <p class="text-gray-500">No data available. Click Refresh to scan.</p>
        </div>
    </div>
</div>

<script>
function swingFailureApp() {
    return {
        loading: false, error: null, lastRefresh: null,
        items: [], search: '', filter: 'all',

        get bullishCount() {
            return this.items.filter(i => i.bias === 'bullish').length;
        },
        get bearishCount() {
            return this.items.filter(i => i.bias === 'bearish').length;
        },
        get activeCount() {
            return this.items.filter(i => i.active_sfp).length;
        },
        get avgReliability() {
            const active = this.items.filter(i => i.active_sfp && i.active_sfp.reliability != null);
            if (!active.length) return 0;
            return Math.round(active.reduce((s, i) => s + (i.active_sfp.reliability || 0), 0) / active.length);
        },

        get filteredItems() {
            let list = [...this.items];
            if (this.search) {
                const q = this.search.toUpperCase();
                list = list.filter(i => (i.symbol || '').toUpperCase().includes(q));
            }
            if (this.filter === 'bullish') list = list.filter(i => i.bias === 'bullish');
            else if (this.filter === 'bearish') list = list.filter(i => i.bias === 'bearish');
            list.sort((a, b) => (b.sfp_score || 0) - (a.sfp_score || 0));
            return list;
        },

        speedBadge(speed) {
            const s = (speed || '').toLowerCase();
            if (s === 'fast') return 'bg-emerald-900/50 text-emerald-300';
            if (s === 'moderate') return 'bg-amber-900/50 text-amber-300';
            if (s === 'slow') return 'bg-red-900/50 text-red-300';
            return 'bg-gray-700 text-gray-300';
        },

        init() { this.fetchData(); },
        async fetchData() {
            this.loading = true; this.error = null;
            try {
                const params = new URLSearchParams({ asset_type: '{{ asset_mode }}' });
                const res = await fetch(`/api/v1/market/swing-failure?${params}`);
                if (res.redirected) { window.location.href = '/auth/login'; return; }
                const json = await res.json();
                if (json.error) { this.error = json.error; }
                else { this.items = json.items || json.results || []; }
            } catch (e) { this.error = 'Failed to load: ' + e.message; }
            finally { this.loading = false; this.lastRefresh = new Date().toLocaleTimeString('id-ID'); }
        },
        fmt(n, d=2) { return n != null ? Number(n).toFixed(d) : '-'; },
        fmtPct(n) { return n != null ? (n >= 0 ? '+' : '') + Number(n).toFixed(2) + '%' : '-'; },
        fmtPrice(n) { return n != null ? 'Rp ' + Number(n).toLocaleString('id-ID') : '-'; },
    };
}
</script>
{% endblock %}