{% extends "base.html" %}
{% block title %}Trade Timing Index{% endblock %}

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

    <!-- Header -->
    <div class="flex items-center justify-between flex-wrap gap-3">
        <div>
            <h1 class="text-2xl font-bold text-white flex items-center gap-2">
                <svg class="w-7 h-7 text-koin-400" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z"/>
                </svg>
                Trade Timing Index
            </h1>
            <p class="mt-1 text-sm text-gray-400">Hour-by-hour and session-based timing analysis with day-of-week patterns</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 text-sm bg-koin-600 hover:bg-koin-500 text-white rounded-lg transition disabled:opacity-50 font-medium">
                <span x-show="!loading">Refresh</span>
                <span x-show="loading" class="flex items-center gap-1">
                    <svg class="animate-spin w-4 h-4" 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>
                    Loading
                </span>
            </button>
        </div>
    </div>

    <!-- Loading -->
    <div x-show="loading" 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">Analyzing trade timing 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 && !error && data" x-cloak>

        <!-- Current Timing Score (Prominent) -->
        <div class="bg-gray-800 border border-gray-700 rounded-xl p-6 mb-6">
            <div class="flex items-center justify-between">
                <div>
                    <p class="text-xs text-gray-400 uppercase tracking-wider mb-2">Current Timing Score</p>
                    <div class="text-5xl font-extrabold tabular-nums"
                         :class="(data.current_score || 0) >= 70 ? 'text-emerald-400' : (data.current_score || 0) >= 40 ? 'text-amber-400' : 'text-red-400'"
                         x-text="data.current_score || 0"></div>
                    <p class="text-xs text-gray-500 mt-1">out of 100</p>
                </div>
                <div class="text-right">
                    <p class="text-xs text-gray-400 uppercase tracking-wider mb-1">Current Hour (UTC)</p>
                    <p class="text-2xl font-bold text-white" x-text="data.current_hour_utc != null ? padHour(data.current_hour_utc) + ':00 UTC' : '-'"></p>
                    <p class="text-xs text-gray-500 mt-1" x-text="data.current_session || ''"></p>
                </div>
            </div>
            <!-- Score Bar -->
            <div class="mt-4 w-full h-3 bg-gray-900 rounded-full overflow-hidden">
                <div class="h-full rounded-full transition-all duration-700"
                     :class="(data.current_score || 0) >= 70 ? 'bg-emerald-500' : (data.current_score || 0) >= 40 ? 'bg-amber-500' : 'bg-red-500'"
                     :style="'width: ' + Math.min(data.current_score || 0, 100) + '%'"></div>
            </div>
        </div>

        <!-- 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-5">
                <p class="text-xs text-gray-400 uppercase tracking-wider">Total Analyzed</p>
                <p class="text-2xl font-bold text-white mt-1" x-text="data.total_analyzed || 0"></p>
            </div>
            <div class="bg-gray-800 border border-gray-700 rounded-xl p-5">
                <p class="text-xs text-gray-400 uppercase tracking-wider">Best Entry Hours</p>
                <p class="text-lg font-bold text-emerald-400 mt-1" x-text="data.best_entry_hours || '-'"></p>
            </div>
            <div class="bg-gray-800 border border-gray-700 rounded-xl p-5">
                <p class="text-xs text-gray-400 uppercase tracking-wider">Best Session</p>
                <p class="text-lg font-bold text-koin-400 mt-1" x-text="data.best_session || '-'"></p>
            </div>
            <div class="bg-gray-800 border border-gray-700 rounded-xl p-5">
                <p class="text-xs text-gray-400 uppercase tracking-wider">Avg Timing Score</p>
                <p class="text-2xl font-bold text-white mt-1" x-text="fmt(data.avg_timing_score, 0)"></p>
            </div>
        </div>

        <!-- 24-Hour Heatmap -->
        <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">24-Hour Performance Heatmap</h3>
            <div class="space-y-1">
                <template x-for="h in data.hourly_data || []" :key="h.hour">
                    <div class="flex items-center gap-3">
                        <span class="text-xs text-gray-500 w-12 text-right tabular-nums flex-shrink-0" x-text="padHour(h.hour) + ':00'"></span>
                        <div class="flex-1 flex items-center gap-1">
                            <!-- Return bar -->
                            <div class="flex-1 h-5 bg-gray-900 rounded relative overflow-hidden">
                                <div class="h-full rounded transition-all duration-300"
                                     :class="(h.avg_return || 0) >= 0 ? 'bg-emerald-500/60' : 'bg-red-500/60'"
                                     :style="'width: ' + Math.min(Math.abs(h.avg_return || 0) * 20, 100) + '%'"></div>
                            </div>
                            <span class="text-[10px] font-semibold tabular-nums w-14 text-right"
                                  :class="(h.avg_return || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                                  x-text="fmtPct(h.avg_return)"></span>
                        </div>
                        <div class="w-16 text-right">
                            <span class="text-[10px] text-gray-500 tabular-nums" x-text="'Vol: ' + fmt(h.volatility, 1) + '%'"></span>
                        </div>
                    </div>
                </template>
            </div>
        </div>

        <!-- 3 Session Cards -->
        <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-6">
            <template x-for="sess in data.sessions || []" :key="sess.name">
                <div class="bg-gray-800 border border-gray-700 rounded-xl p-5">
                    <div class="flex items-center justify-between mb-3">
                        <h4 class="text-sm font-semibold text-white" x-text="sess.name + ' Session'"></h4>
                        <span x-show="sess.best_for" class="px-2 py-0.5 text-[10px] font-bold rounded-full bg-koin-900/40 text-koin-300"
                              x-text="sess.best_for"></span>
                    </div>
                    <div class="grid grid-cols-2 gap-3 text-center">
                        <div>
                            <p class="text-[10px] text-gray-500 uppercase">Avg Return</p>
                            <p class="text-lg font-bold tabular-nums mt-1"
                               :class="(sess.avg_return || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                               x-text="fmtPct(sess.avg_return)"></p>
                        </div>
                        <div>
                            <p class="text-[10px] text-gray-500 uppercase">Volatility</p>
                            <p class="text-lg font-bold text-gray-300 tabular-nums mt-1" x-text="fmt(sess.volatility, 1) + '%'"></p>
                        </div>
                    </div>
                    <div class="mt-3 pt-3 border-t border-gray-700 text-center">
                        <p class="text-[10px] text-gray-500 uppercase">Hours (UTC)</p>
                        <p class="text-xs text-gray-300 mt-1" x-text="sess.hours || '-'"></p>
                    </div>
                </div>
            </template>
        </div>

        <!-- 7-Day Pattern -->
        <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">Day-of-Week Pattern</h3>
            <div class="grid grid-cols-7 gap-2">
                <template x-for="day in data.daily_pattern || []" :key="day.name">
                    <div class="text-center p-3 rounded-lg bg-gray-900/50">
                        <p class="text-xs font-medium text-gray-400" x-text="day.name"></p>
                        <p class="text-sm font-bold tabular-nums mt-1"
                           :class="(day.avg_return || 0) >= 0 ? 'text-emerald-400' : 'text-red-400'"
                           x-text="fmtPct(day.avg_return)"></p>
                        <span class="inline-block mt-1 px-2 py-0.5 text-[10px] font-bold rounded-full"
                              :class="day.rating === 'good' ? 'bg-emerald-900/50 text-emerald-400' :
                                      day.rating === 'average' ? 'bg-amber-900/50 text-amber-400' : 'bg-red-900/50 text-red-400'"
                              x-text="day.rating || '-'"></span>
                    </div>
                </template>
            </div>
        </div>

        <!-- Recommended Schedule -->
        <template x-if="data.recommended_schedule">
            <div class="bg-gray-800 border border-koin-700/50 rounded-xl p-5 mb-6">
                <h3 class="text-sm font-semibold text-koin-400 uppercase tracking-wider mb-3">Recommended Trading Schedule</h3>
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div class="p-4 bg-emerald-900/20 border border-emerald-700/40 rounded-lg">
                        <p class="text-xs text-emerald-400 font-semibold uppercase mb-1">Buy Window</p>
                        <p class="text-lg font-bold text-white" x-text="data.recommended_schedule.buy_window || '-'"></p>
                        <p class="text-xs text-gray-400 mt-1" x-text="data.recommended_schedule.buy_reason || ''"></p>
                    </div>
                    <div class="p-4 bg-red-900/20 border border-red-700/40 rounded-lg">
                        <p class="text-xs text-red-400 font-semibold uppercase mb-1">Sell Window</p>
                        <p class="text-lg font-bold text-white" x-text="data.recommended_schedule.sell_window || '-'"></p>
                        <p class="text-xs text-gray-400 mt-1" x-text="data.recommended_schedule.sell_reason || ''"></p>
                    </div>
                </div>
            </div>
        </template>

        <!-- Avoid Hours Warning -->
        <template x-if="data.avoid_hours && data.avoid_hours.length">
            <div class="bg-red-900/10 border border-red-700/40 rounded-xl p-5 mb-6">
                <h3 class="text-sm font-semibold text-red-400 uppercase tracking-wider mb-3 flex items-center gap-2">
                    <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"/>
                    </svg>
                    Hours to Avoid
                </h3>
                <div class="flex flex-wrap gap-2">
                    <template x-for="ah in data.avoid_hours" :key="ah.hour">
                        <div class="px-3 py-1.5 bg-red-900/30 border border-red-700/40 rounded-lg text-center">
                            <p class="text-xs font-bold text-red-400 tabular-nums" x-text="padHour(ah.hour) + ':00 UTC'"></p>
                            <p class="text-[10px] text-red-500/80 mt-0.5" x-text="'Avg: ' + fmtPct(ah.avg_return)"></p>
                        </div>
                    </template>
                </div>
            </div>
        </template>

        <!-- Volatility Overview -->
        <template x-if="data.volatility_summary">
            <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-3">Volatility Overview</h3>
                <div class="grid grid-cols-3 gap-4 text-center">
                    <div>
                        <p class="text-[10px] text-gray-500 uppercase">Low Vol Hours</p>
                        <p class="text-lg font-bold text-emerald-400 mt-1" x-text="data.volatility_summary.low_vol_hours || '-'"></p>
                    </div>
                    <div>
                        <p class="text-[10px] text-gray-500 uppercase">Medium Vol Hours</p>
                        <p class="text-lg font-bold text-amber-400 mt-1" x-text="data.volatility_summary.med_vol_hours || '-'"></p>
                    </div>
                    <div>
                        <p class="text-[10px] text-gray-500 uppercase">High Vol Hours</p>
                        <p class="text-lg font-bold text-red-400 mt-1" x-text="data.volatility_summary.high_vol_hours || '-'"></p>
                    </div>
                </div>
            </div>
        </template>

        <!-- Per-Coin Cards -->
        <template x-if="data.items && data.items.length > 0">
            <div>
                <h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3">Per-Asset Timing</h3>
                <div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 gap-4">
                    <template x-for="(item, idx) in data.items" :key="item.coin_symbol || idx">
                        <div class="bg-gray-800 border border-gray-700 rounded-xl p-5 hover:border-gray-600 transition">
                            <div class="flex items-center justify-between mb-3">
                                <div class="flex items-center gap-2 min-w-0">
                                    <div class="w-8 h-8 rounded-full bg-gray-700 flex items-center justify-center text-[10px] font-bold text-gray-300 flex-shrink-0"
                                         x-text="(item.coin_symbol || '?').substring(0, 3).toUpperCase()"></div>
                                    <div class="min-w-0">
                                        <span class="text-white font-semibold text-sm truncate block" x-text="item.coin_name || item.coin_symbol"></span>
                                        <span class="text-[10px] text-gray-500 font-mono" x-text="(item.coin_symbol || '').toUpperCase()"></span>
                                    </div>
                                </div>
                                <!-- Timing Score -->
                                <div class="text-right flex-shrink-0">
                                    <div class="text-xl font-extrabold tabular-nums"
                                         :class="(item.timing_score || 0) >= 70 ? 'text-emerald-400' : (item.timing_score || 0) >= 40 ? 'text-amber-400' : 'text-red-400'"
                                         x-text="item.timing_score || 0"></div>
                                    <div class="text-[10px] text-gray-500">Score</div>
                                </div>
                            </div>
                            <div class="grid grid-cols-2 gap-3 text-center">
                                <div class="bg-gray-900/50 rounded-lg p-2">
                                    <p class="text-[10px] text-gray-500">Best Entry</p>
                                    <p class="text-xs font-semibold text-emerald-400 mt-0.5" x-text="item.best_entry_hour != null ? padHour(item.best_entry_hour) + ':00 UTC' : '-'"></p>
                                </div>
                                <div class="bg-gray-900/50 rounded-lg p-2">
                                    <p class="text-[10px] text-gray-500">Best Exit</p>
                                    <p class="text-xs font-semibold text-red-400 mt-0.5" x-text="item.best_exit_hour != null ? padHour(item.best_exit_hour) + ':00 UTC' : '-'"></p>
                                </div>
                            </div>
                        </div>
                    </template>
                </div>
            </div>
        </template>

        <!-- Empty State -->
        <div x-show="!data.items || data.items.length === 0" class="text-center py-16 bg-gray-800 rounded-xl border border-gray-700">
            <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="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z"/>
            </svg>
            <h3 class="mt-4 text-lg font-medium text-gray-400">No Timing Data</h3>
            <p class="mt-2 text-sm text-gray-600">Run a scan to generate trade timing analysis.</p>
        </div>
    </div>
</div>

<script>
function tradeTimingApp() {
    return {
        loading: false,
        error: null,
        lastRefresh: null,
        data: null,

        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/trade-timing?${params}`);
                const json = await res.json();
                if (json.status === 'success') {
                    this.data = json.data || json;
                } else if (json.items || json.current_score != null || json.hourly_data) {
                    this.data = json;
                } else {
                    this.error = json.message || 'Failed to load trade timing data';
                }
            } catch (e) {
                this.error = e.message;
            } finally {
                this.loading = false;
                this.lastRefresh = new Date().toLocaleTimeString('id-ID');
            }
        },

        padHour(h) { return h != null ? String(h).padStart(2, '0') : '--'; },
        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') : '-'; },
        fmtM(n) {
            if (!n) return '-';
            if (n >= 1e12) return 'Rp ' + (n/1e12).toFixed(1) + 'T';
            if (n >= 1e9) return 'Rp ' + (n/1e9).toFixed(1) + 'B';
            if (n >= 1e6) return 'Rp ' + (n/1e6).toFixed(1) + 'M';
            return 'Rp ' + Number(n).toLocaleString('id-ID');
        },
    };
}
</script>
{% endblock %}