@extends('layouts.app')
@section('title', __('Analysis pricing'))
@section('page-title', __('Analysis pricing'))
@section('page-subtitle', __('Flat per-analysis price + automatic volume discount + monthly floor.'))

@section('content')
@if(session('status'))
    <div class="mb-4 px-4 py-2 rounded-lg bg-emerald-50 text-emerald-800 dark:bg-emerald-900/30 dark:text-emerald-200 text-sm">
        {{ session('status') }}
    </div>
@endif

@if($errors->any())
    <div class="mb-4 px-4 py-2 rounded-lg bg-rose-50 text-rose-800 dark:bg-rose-900/30 dark:text-rose-200 text-sm">
        {{ $errors->first() }}
    </div>
@endif

{{-- Explainer --}}
<div class="mb-6 rounded-2xl border border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-900 p-4 sm:p-5 shadow-sm">
    <h2 class="text-sm font-semibold text-slate-900 dark:text-white mb-2 flex items-center gap-2">
        <svg class="w-4 h-4 text-slate-400" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
        {{ __('How billing works') }}
    </h2>
    <p class="text-xs text-slate-600 dark:text-slate-300 leading-relaxed">
        {{ __('Each completed analysis is billed at the standard rate for the first :n of the calendar month, then at the volume rate from the :n2-th onward. Every tenant pays at least the monthly minimum, even if they ran no analyses that month.', ['n' => $config['bulk_threshold'], 'n2' => $config['bulk_threshold'] + 1]) }}
    </p>
</div>

{{-- Global pricing form --}}
<form method="POST" action="{{ route('super-admin.analysis-pricing.update') }}"
      class="rounded-2xl border border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-900 shadow-sm p-5 sm:p-6 mb-6">
    @csrf

    <div class="flex items-center gap-2 mb-5 pb-3 border-b border-slate-200 dark:border-slate-800">
        <h2 class="text-base font-semibold text-slate-900 dark:text-white">{{ __('Global pricing') }}</h2>
    </div>

    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">
                {{ __('Standard rate') }}
                <span class="text-slate-400 font-normal">({{ __('per analysis') }})</span>
            </label>
            <div class="relative">
                <input type="number" name="unit_price" step="0.01" min="0" required
                       value="{{ old('unit_price', $config['unit_price']) }}"
                       class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 pe-12 text-sm tabular-nums focus:ring-2 focus:ring-indigo-500">
                <span class="absolute end-3 top-1/2 -translate-y-1/2 text-xs text-slate-400 font-mono">{{ $config['currency'] }}</span>
            </div>
            <p class="mt-1 text-[11px] text-slate-500">{{ __('Charged for the first analyses of the month.') }}</p>
        </div>

        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">
                {{ __('Volume rate') }}
                <span class="text-slate-400 font-normal">({{ __('per analysis') }})</span>
            </label>
            <div class="relative">
                <input type="number" name="bulk_unit_price" step="0.01" min="0" required
                       value="{{ old('bulk_unit_price', $config['bulk_unit_price']) }}"
                       class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 pe-12 text-sm tabular-nums focus:ring-2 focus:ring-indigo-500">
                <span class="absolute end-3 top-1/2 -translate-y-1/2 text-xs text-slate-400 font-mono">{{ $config['currency'] }}</span>
            </div>
            <p class="mt-1 text-[11px] text-slate-500">{{ __('Discounted rate from analysis #(threshold + 1) onward.') }}</p>
        </div>

        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">
                {{ __('Volume threshold') }}
                <span class="text-slate-400 font-normal">({{ __('analyses') }})</span>
            </label>
            <input type="number" name="bulk_threshold" step="1" min="0" required
                   value="{{ old('bulk_threshold', $config['bulk_threshold']) }}"
                   class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 text-sm tabular-nums focus:ring-2 focus:ring-indigo-500">
            <p class="mt-1 text-[11px] text-slate-500">{{ __('Number of analyses charged at the standard rate.') }}</p>
        </div>

        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">
                {{ __('Monthly minimum') }}
                <span class="text-slate-400 font-normal">({{ __('floor') }})</span>
            </label>
            <div class="relative">
                <input type="number" name="monthly_minimum" step="0.01" min="0" required
                       value="{{ old('monthly_minimum', $config['monthly_minimum']) }}"
                       class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 pe-12 text-sm tabular-nums focus:ring-2 focus:ring-indigo-500">
                <span class="absolute end-3 top-1/2 -translate-y-1/2 text-xs text-slate-400 font-mono">{{ $config['currency'] }}</span>
            </div>
            <p class="mt-1 text-[11px] text-slate-500">{{ __('Guaranteed billed every month (set 0 to disable).') }}</p>
        </div>

        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">{{ __('Currency') }}</label>
            <input type="text" name="currency" maxlength="3" required
                   value="{{ old('currency', $config['currency']) }}"
                   class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 text-sm uppercase font-mono focus:ring-2 focus:ring-indigo-500">
            <p class="mt-1 text-[11px] text-slate-500">{{ __('ISO-4217 (EUR, USD, …).') }}</p>
        </div>

        <div>
            <label class="block text-xs font-semibold text-slate-700 dark:text-slate-200 mb-1">
                {{ __('VAT rate') }}
                <span class="text-slate-400 font-normal">(%)</span>
            </label>
            <div class="relative">
                <input type="number" name="vat_rate" step="0.01" min="0" max="100" required
                       value="{{ old('vat_rate', $config['vat_rate']) }}"
                       class="w-full rounded-lg border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-3 py-2 pe-8 text-sm tabular-nums focus:ring-2 focus:ring-indigo-500">
                <span class="absolute end-3 top-1/2 -translate-y-1/2 text-xs text-slate-400">%</span>
            </div>
            <p class="mt-1 text-[11px] text-slate-500">{{ __('Override per tenant for reverse-charge cases.') }}</p>
        </div>
    </div>

    {{-- Live preview --}}
    @php
        $up = (float) $config['unit_price']; $bp = (float) $config['bulk_unit_price'];
        $th = (int) $config['bulk_threshold']; $fl = (float) $config['monthly_minimum'];
        $vatPct = (float) $config['vat_rate']; $cur = $config['currency'];
        $scenarios = [0, 1, 5, 10, 50, 100];
        $rows = [];
        foreach ($scenarios as $n) {
            $std = min($n, $th) * $up;
            $vol = max(0, $n - $th) * $bp;
            $sub = $std + $vol;
            $floor = max(0, $fl - $sub);
            $final = $sub + $floor;
            $vat = round($final * $vatPct / 100, 2);
            $rows[] = compact('n', 'std', 'vol', 'sub', 'floor', 'final', 'vat');
        }
    @endphp
    <div class="mt-6 pt-5 border-t border-slate-200 dark:border-slate-800">
        <h3 class="text-xs font-semibold uppercase tracking-wider text-slate-500 dark:text-slate-400 mb-3">{{ __('Live billing preview') }}</h3>
        <div class="overflow-x-auto rounded-lg border border-slate-200 dark:border-slate-700">
            <table class="w-full text-xs">
                <thead class="bg-slate-50 dark:bg-slate-800/60 text-slate-500 dark:text-slate-400 uppercase tracking-wider">
                    <tr>
                        <th class="px-3 py-2 text-start">{{ __('Analyses') }}</th>
                        <th class="px-3 py-2 text-end">{{ __('Standard') }}</th>
                        <th class="px-3 py-2 text-end">{{ __('Volume') }}</th>
                        <th class="px-3 py-2 text-end">{{ __('Floor') }}</th>
                        <th class="px-3 py-2 text-end">{{ __('Subtotal') }}</th>
                        <th class="px-3 py-2 text-end">{{ __('VAT') }}</th>
                        <th class="px-3 py-2 text-end font-semibold">{{ __('Total') }}</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-slate-100 dark:divide-slate-800 font-mono tabular-nums">
                    @foreach($rows as $r)
                        <tr>
                            <td class="px-3 py-2 text-slate-700 dark:text-slate-200">{{ $r['n'] }}</td>
                            <td class="px-3 py-2 text-end text-slate-600 dark:text-slate-300">{{ number_format($r['std'], 2) }}</td>
                            <td class="px-3 py-2 text-end text-slate-600 dark:text-slate-300">{{ number_format($r['vol'], 2) }}</td>
                            <td class="px-3 py-2 text-end {{ $r['floor'] > 0 ? 'text-amber-600 dark:text-amber-400 font-semibold' : 'text-slate-400' }}">
                                {{ $r['floor'] > 0 ? '+'.number_format($r['floor'], 2) : '—' }}
                            </td>
                            <td class="px-3 py-2 text-end text-slate-700 dark:text-slate-200">{{ number_format($r['final'], 2) }}</td>
                            <td class="px-3 py-2 text-end text-slate-500 dark:text-slate-400">{{ number_format($r['vat'], 2) }}</td>
                            <td class="px-3 py-2 text-end text-slate-900 dark:text-white font-semibold">{{ number_format($r['final'] + $r['vat'], 2) }} {{ $cur }}</td>
                        </tr>
                    @endforeach
                </tbody>
            </table>
        </div>
        <p class="mt-2 text-[11px] text-slate-500 dark:text-slate-400">{{ __('Save the form to update the preview.') }}</p>
    </div>

    <div class="mt-5 pt-4 border-t border-slate-200 dark:border-slate-800 flex items-center justify-between">
        <p class="text-[11px] text-slate-500">
            {{ __('Defaults: :u standard, :b volume, threshold :t, floor :f.', [
                'u' => number_format($defaults['unit_price'], 2).' '.$defaults['currency'],
                'b' => number_format($defaults['bulk_unit_price'], 2).' '.$defaults['currency'],
                't' => $defaults['bulk_threshold'],
                'f' => number_format($defaults['monthly_minimum'], 2).' '.$defaults['currency'],
            ]) }}
        </p>
        <button class="inline-flex items-center gap-1.5 px-4 py-2 rounded-lg bg-slate-900 dark:bg-slate-100 text-white dark:text-slate-900 text-sm font-semibold hover:bg-slate-800 dark:hover:bg-white">
            {{ __('Save pricing') }}
        </button>
    </div>
</form>

{{-- Per-tenant overrides --}}
<div class="rounded-2xl border border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-900 shadow-sm overflow-hidden">
    <div class="px-5 py-4 border-b border-slate-200 dark:border-slate-800">
        <h2 class="text-base font-semibold text-slate-900 dark:text-white">{{ __('Per-tenant overrides') }}</h2>
        <p class="text-xs text-slate-500 dark:text-slate-400 mt-0.5">{{ __('Empty fields inherit the global value above. Use for enterprise contracts.') }}</p>
    </div>

    <div class="overflow-x-auto">
        <table class="w-full text-sm">
            <thead class="bg-slate-50 dark:bg-slate-800/60 text-[11px] uppercase tracking-wider text-slate-500 dark:text-slate-400 font-semibold">
                <tr>
                    <th class="text-start px-4 py-3">{{ __('Tenant') }}</th>
                    <th class="text-end px-3 py-3">{{ __('Standard') }}</th>
                    <th class="text-end px-3 py-3">{{ __('Volume') }}</th>
                    <th class="text-end px-3 py-3">{{ __('Threshold') }}</th>
                    <th class="text-end px-3 py-3">{{ __('Floor') }}</th>
                    <th class="text-end px-3 py-3">{{ __('VAT %') }}</th>
                    <th class="text-end px-3 py-3 w-44">{{ __('Actions') }}</th>
                </tr>
            </thead>
            <tbody class="divide-y divide-slate-100 dark:divide-slate-800">
                @forelse($tenants as $t)
                    <tr>
                        <form method="POST" action="{{ route('super-admin.analysis-pricing.tenant-override.save', $t) }}" class="contents">
                            @csrf
                            <td class="px-4 py-3 align-middle">
                                <div class="font-medium text-slate-900 dark:text-slate-100">{{ $t->name }}</div>
                                <div class="text-[11px] text-slate-500 font-mono">{{ $t->slug }}</div>
                            </td>
                            <td class="px-3 py-2 text-end">
                                <input type="number" step="0.01" min="0" name="unit_price_override"
                                       value="{{ $t->unit_price_override }}"
                                       placeholder="{{ number_format($config['unit_price'], 2) }}"
                                       class="w-24 rounded-md border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-2 py-1 text-xs text-end tabular-nums">
                            </td>
                            <td class="px-3 py-2 text-end">
                                <input type="number" step="0.01" min="0" name="bulk_unit_price_override"
                                       value="{{ $t->bulk_unit_price_override }}"
                                       placeholder="{{ number_format($config['bulk_unit_price'], 2) }}"
                                       class="w-24 rounded-md border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-2 py-1 text-xs text-end tabular-nums">
                            </td>
                            <td class="px-3 py-2 text-end">
                                <input type="number" step="1" min="0" name="bulk_threshold_override"
                                       value="{{ $t->bulk_threshold_override }}"
                                       placeholder="{{ $config['bulk_threshold'] }}"
                                       class="w-20 rounded-md border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-2 py-1 text-xs text-end tabular-nums">
                            </td>
                            <td class="px-3 py-2 text-end">
                                <input type="number" step="0.01" min="0" name="monthly_minimum_override"
                                       value="{{ $t->monthly_minimum_override }}"
                                       placeholder="{{ number_format($config['monthly_minimum'], 2) }}"
                                       class="w-24 rounded-md border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-2 py-1 text-xs text-end tabular-nums">
                            </td>
                            <td class="px-3 py-2 text-end">
                                <input type="number" step="0.01" min="0" max="100" name="vat_rate_override"
                                       value="{{ $t->vat_rate_override }}"
                                       placeholder="{{ number_format($config['vat_rate'], 2) }}"
                                       class="w-20 rounded-md border border-slate-300 dark:border-slate-700 bg-white dark:bg-slate-950 px-2 py-1 text-xs text-end tabular-nums">
                            </td>
                            <td class="px-3 py-2 text-end whitespace-nowrap">
                                <button type="submit"
                                        class="inline-flex items-center gap-1 px-2.5 py-1 rounded-md bg-slate-900 dark:bg-slate-100 text-white dark:text-slate-900 text-[11px] font-semibold hover:bg-slate-800 dark:hover:bg-white">
                                    {{ __('Save') }}
                                </button>
                        </form>
                                @if($t->unit_price_override !== null || $t->bulk_unit_price_override !== null || $t->bulk_threshold_override !== null || $t->monthly_minimum_override !== null || $t->vat_rate_override !== null)
                                    <form method="POST" action="{{ route('super-admin.analysis-pricing.tenant-override.clear', $t) }}" class="inline ms-1"
                                          onsubmit="return confirm('{{ __('Clear all overrides for :name?', ['name' => $t->name]) }}')">
                                        @csrf @method('DELETE')
                                        <button type="submit"
                                                class="inline-flex items-center gap-1 px-2.5 py-1 rounded-md border border-slate-300 dark:border-slate-700 text-slate-600 dark:text-slate-300 text-[11px] hover:bg-slate-50 dark:hover:bg-slate-800">
                                            {{ __('Clear') }}
                                        </button>
                                    </form>
                                @endif
                            </td>
                    </tr>
                @empty
                    <tr><td colspan="7" class="px-4 py-8 text-center text-sm text-slate-500">{{ __('No tenants yet.') }}</td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
</div>
@endsection