@php
    use Illuminate\Support\Carbon;

    $eur = fn ($n) => '€'.number_format((float) $n, 0);
    $eur2 = fn ($n) => '€'.number_format((float) $n, 2);
    $num = fn ($n) => number_format((float) $n);
    $pct = fn ($n) => number_format((float) $n * 100, 1).'%';
    $mult = fn ($n) => number_format((float) $n, 2).'×';
    $ord = function (int $n) {
        $s = ['th', 'st', 'nd', 'rd'];
        $v = $n % 100;
        return $n.($s[($v - 20) % 10] ?? $s[$v] ?? $s[0]);
    };

    $d = $analysis['donations'];
    $st = $analysis['standing'];
    $mo = $analysis['momentum'];

    // Chart row builders from the payload.
    $dow = collect($d['by_dow'])->map(fn ($r) => ['label' => $r['label'], 'value' => $r['sum'], 'display' => $eur($r['sum']).' · '.$num($r['count']).' gifts', 'x' => $r['label']])->all();
    $mon = collect($d['by_month'])->map(fn ($r) => ['label' => $r['label'], 'value' => $r['sum'], 'display' => $eur($r['sum']).' · '.$num($r['count']).' gifts', 'x' => $r['label']])->all();
    $hour = collect($d['by_hour'])->map(fn ($r) => ['label' => $r['label'].':00', 'value' => $r['count'], 'display' => $num($r['count']).' gifts · '.$eur($r['sum']), 'x' => ((int) $r['label']) % 3 === 0 ? $r['label'] : ''])->all();
    $sizes = collect($d['sizes'])->map(fn ($count, $label) => ['label' => $label, 'value' => $count, 'display' => $num($count).' gifts', 'x' => $label])->values()->all();
    $trendSum = collect($d['trend'])->map(fn ($r) => ['label' => $r['label'], 'value' => $r['sum'], 'display' => $eur($r['sum']).' · '.$num($r['count']).' gifts', 'x' => $r['label']])->all();
    $trendAvg = collect($d['trend'])->map(fn ($r) => ['label' => $r['label'], 'value' => $r['average'], 'display' => $eur($r['average']).' avg · '.$num($r['count']).' gifts', 'x' => $r['label']])->all();
@endphp

<x-admin.layout :title="$title" active="users">

    <div class="view-head">
        <div>
            <x-admin.eyebrow icon="fa-light fa-chart-mixed">Financial analysis</x-admin.eyebrow>
            <h2>{{ $title }}</h2>
            <p class="lede">{{ $subject->u_ident }} · their donation position &amp; standing in the charity</p>
        </div>
        <x-admin.btn variant="ghost" sm icon="fa-light fa-arrow-left" :href="$backUrl">Back</x-admin.btn>
    </div>

    {{-- Standing within the charity's finances (all-time, not windowed). --}}
    <x-admin.panel pad style="margin-bottom:1rem;">
        <x-admin.eyebrow icon="fa-light fa-ranking-star">Standing in the charity <span class="sub">(all time)</span></x-admin.eyebrow>
        <div class="stat-grid" style="margin-top:.9rem;">
            <x-admin.stat-tile icon="fa-light fa-hand-holding-heart" label="Raised (all time)">{{ $eur($st['raised']) }}</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-chart-pie" label="Share of all revenue">{{ $pct($st['share_of_revenue']) }}</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-ranking-star" label="Rank">{{ $ord($st['rank']) }} <span class="sub">of {{ $num($st['fundraiser_count']) }}</span></x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-percent" label="Percentile">@if ($st['fundraiser_count'] > 0)Top {{ max(1, (int) ceil($st['rank'] / $st['fundraiser_count'] * 100)) }}%@else — @endif</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-scale-balanced" label="vs average fundraiser">{{ $mult($st['vs_average_raised']) }} <span class="sub">(avg {{ $eur($st['average_raised']) }})</span></x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-coins" label="Their average gift">{{ $eur2($st['my_average_gift']) }} <span class="sub">(platform {{ $eur2($st['platform_average_gift']) }})</span></x-admin.stat-tile>
        </div>
    </x-admin.panel>

    {{-- Cost coverage / net contribution (this one fundraiser, one voucher). --}}
    <x-admin.panel pad style="margin-bottom:1rem;">
        <x-admin.eyebrow icon="fa-light fa-scale-unbalanced">Net contribution &amp; cost coverage</x-admin.eyebrow>
        <div class="stat-grid" style="margin-top:.9rem;">
            <x-admin.stat-tile icon="fa-light fa-parachute-box" label="{{ $st['is_platinum'] ? 'Platinum event cost' : 'Event cost' }}">{{ $eur($st['event_cost']) }}</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-percent" label="Cost coverage">{{ $pct($st['cost_coverage']) }}</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-arrow-trend-up" label="Net to charity">{{ $eur($st['net_to_charity']) }}</x-admin.stat-tile>
            <x-admin.stat-tile icon="fa-light fa-ticket" label="Voucher status">{{ $st['voucher_status'] }}</x-admin.stat-tile>
        </div>
        <p class="modal-note" style="margin-top:.8rem;">Net to charity = all-time raised − their event cost. Coverage is how far their fundraising covers their own place ({{ $st['is_platinum'] ? 'Platinum' : 'standard' }} tier). Expired vouchers are still honoured, so they remain a liability until redeemed.</p>
    </x-admin.panel>

    {{-- Momentum (all-time pace toward goal). --}}
    @if ($mo['has'])
        <x-admin.panel pad style="margin-bottom:1rem;">
            <x-admin.eyebrow icon="fa-light fa-gauge-high">Momentum</x-admin.eyebrow>
            <div class="stat-grid" style="margin-top:.9rem;">
                <x-admin.stat-tile icon="fa-light fa-calendar-day" label="Days active">{{ $num($mo['days_active']) }}</x-admin.stat-tile>
                <x-admin.stat-tile icon="fa-light fa-hourglass-end" label="Since last gift">{{ $num($mo['days_since_last']) }} days</x-admin.stat-tile>
                <x-admin.stat-tile icon="fa-light fa-euro-sign" label="Per week">{{ $eur($mo['per_week_amount']) }}</x-admin.stat-tile>
                <x-admin.stat-tile icon="fa-light fa-gift" label="Gifts per week">{{ number_format($mo['per_week_count'], 1) }}</x-admin.stat-tile>
                @if ($mo['goal_pct'] !== null)
                    <x-admin.stat-tile icon="fa-light fa-bullseye" label="Goal progress">{{ $mo['goal_pct'] }}% <span class="sub">of {{ $eur($mo['goal']) }}</span></x-admin.stat-tile>
                @endif
            </div>
        </x-admin.panel>
    @endif

    {{-- Interval selector (rolling/YTD windows) for the donation breakdown below. --}}
    <x-admin.toolbar style="margin:.2rem 0 1.1rem;">
        <span class="sub" style="font-family:'Quicksand',sans-serif;font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;margin-right:.2rem;">Timeframe</span>
        @foreach ($analysis['intervals'] as $key => $label)
            <a class="fchip {{ $analysis['interval'] === $key ? 'on' : '' }}" href="{{ $baseUrl }}?interval={{ $key }}">{{ $label }}</a>
        @endforeach
    </x-admin.toolbar>

    {{-- Donation KPIs (selected timeframe). --}}
    <div class="stat-grid" style="margin-bottom:1rem;">
        <x-admin.stat-tile icon="fa-light fa-hand-holding-heart" label="Donations">{{ $num($d['count']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-sack-dollar" label="Total raised">{{ $eur($d['total']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-chart-simple" label="Average gift">{{ $eur2($d['average']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-equals" label="Median gift">{{ $eur2($d['median']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-arrow-down" label="Smallest">{{ $eur2($d['min']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-arrow-up" label="Largest">{{ $eur2($d['max']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-users" label="Unique donors">{{ $num($d['donors']) }}</x-admin.stat-tile>
        <x-admin.stat-tile icon="fa-light fa-repeat" label="Repeat donors">{{ $num($d['repeat_donors']) }}</x-admin.stat-tile>
    </div>

    @if ($d['count'] === 0)
        <x-admin.panel pad><p class="sub" style="text-align:center;padding:1.5rem 0;">No donations in this timeframe.</p></x-admin.panel>
    @else
        <div class="grid-2" style="gap:1rem;align-items:start;">
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-calendar-week">By day of week</x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $dow, 'unit' => 'eur', 'aria' => 'Donations by day of week'])</div></x-admin.panel>
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-clock">By hour of day <span class="sub">(Dublin)</span></x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $hour, 'unit' => 'count', 'aria' => 'Donations by hour of day'])</div></x-admin.panel>
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-calendar">By month of year</x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $mon, 'unit' => 'eur', 'aria' => 'Donations by month of year'])</div></x-admin.panel>
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-layer-group">Gift-size distribution</x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $sizes, 'unit' => 'count', 'aria' => 'Donations by size band'])</div></x-admin.panel>
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-arrow-trend-up">Total raised over time</x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $trendSum, 'unit' => 'eur', 'aria' => 'Total raised by month'])</div></x-admin.panel>
            <x-admin.panel pad><x-admin.eyebrow icon="fa-light fa-chart-line">Average gift over time</x-admin.eyebrow><div style="margin-top:.8rem;">@include('admin.analysis._chart', ['rows' => $trendAvg, 'unit' => 'eur', 'aria' => 'Average gift by month'])</div></x-admin.panel>
        </div>
    @endif

    @push('scripts')
        @vite('resources/js/analysis.js')
    @endpush

</x-admin.layout>