@extends('layouts.app')

@section('title', $invoice->invoice_no)

@php
    $statusBadge = [
        'pending' => 'bg-warning-transparent', 'partial' => 'bg-info-transparent',
        'paid' => 'bg-success-transparent', 'overdue' => 'bg-danger-transparent',
        'waived' => 'bg-secondary-transparent', 'cancelled' => 'bg-secondary-transparent',
    ];
    $subBadge = [
        'active' => 'bg-success-transparent', 'grace' => 'bg-warning-transparent',
        'restricted' => 'bg-danger-transparent', 'suspended' => 'bg-dark-transparent', 'cancelled' => 'bg-secondary-transparent',
    ];
    $sub = $invoice->subscription;
    $outstanding = max(0, $invoice->total_amount - $invoice->paid_amount);
@endphp

@section('content')
    <div class="d-md-flex d-block align-items-center justify-content-between my-4 page-header-breadcrumb">
        <div>
            <h4 class="mb-0">{{ $invoice->invoice_no }}
                <span class="badge {{ $statusBadge[$invoice->status] ?? 'bg-secondary-transparent' }}">{{ ucfirst($invoice->status) }}</span>
            </h4>
            <p class="mb-0 text-muted">{{ optional($invoice->organization)->name }} • {{ optional($invoice->period_start)->format('d M') }} – {{ optional($invoice->period_end)->format('d M Y') }}</p>
        </div>
        <a href="{{ route('admin.billing.invoices') }}" class="btn btn-primary-light"><i class="bi bi-arrow-left"></i> {{ _lang('Back') }}</a>
    </div>

    @include('partials.alerts')

    <div class="row">
        <div class="col-xl-7">
            <div class="card custom-card">
                <div class="card-header"><div class="card-title">{{ _lang('Invoice') }}</div></div>
                <div class="card-body">
                    <table class="table table-sm">
                        <tr><td class="text-muted">{{ _lang('Plan') }}</td><td class="text-end fw-semibold">{{ $invoice->plan_name }} ({{ _lang('up to') }} {{ $invoice->max_members }})</td></tr>
                        <tr><td class="text-muted">{{ _lang('Peak members in cycle') }}</td><td class="text-end">{{ $invoice->peak_members }} @if($invoice->over_limit)<span class="badge bg-danger-transparent">{{ _lang('Over limit') }}</span>@endif</td></tr>
                        <tr><td class="text-muted">{{ _lang('Interval') }}</td><td class="text-end">{{ ucfirst($invoice->billing_interval) }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Base amount') }}</td><td class="text-end">৳{{ number_format($invoice->base_amount / 100) }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Discount') }}</td><td class="text-end text-info">− ৳{{ number_format($invoice->discount_amount / 100) }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Waived') }}</td><td class="text-end text-secondary">− ৳{{ number_format($invoice->waived_amount / 100) }}</td></tr>
                        <tr class="fw-bold border-top"><td>{{ _lang('Total') }}</td><td class="text-end">৳{{ number_format($invoice->total_amount / 100) }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Paid') }}</td><td class="text-end text-success">৳{{ number_format($invoice->paid_amount / 100) }}</td></tr>
                        <tr class="fw-bold"><td>{{ _lang('Outstanding') }}</td><td class="text-end text-danger">৳{{ number_format($outstanding / 100) }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Issued') }}</td><td class="text-end">{{ optional($invoice->issued_on)->format('d M Y') }}</td></tr>
                        <tr><td class="text-muted">{{ _lang('Due') }}</td><td class="text-end">{{ optional($invoice->due_on)->format('d M Y') }}</td></tr>
                    </table>
                    @if ($invoice->note)
                        <div class="alert alert-light border mt-2 mb-0"><small>{{ $invoice->note }}</small></div>
                    @endif
                </div>
            </div>

            <div class="card custom-card">
                <div class="card-header"><div class="card-title">{{ _lang('Payments') }}</div></div>
                <div class="card-body p-0">
                    <table class="table text-nowrap table-hover mb-0">
                        <thead><tr><th>{{ _lang('Date') }}</th><th>{{ _lang('Method') }}</th><th>{{ _lang('Amount') }}</th><th>{{ _lang('Status') }}</th><th>{{ _lang('Trx') }}</th></tr></thead>
                        <tbody>
                            @forelse ($invoice->payments as $p)
                                <tr>
                                    <td>{{ optional($p->created_at)->format('d M Y, h:i A') }}</td>
                                    <td>{{ ucfirst($p->method) }}</td>
                                    <td>৳{{ number_format($p->amount / 100) }}</td>
                                    <td><span class="badge {{ $p->status === 'completed' ? 'bg-success-transparent' : 'bg-warning-transparent' }}">{{ ucfirst($p->status) }}</span></td>
                                    <td><small class="text-muted">{{ $p->gateway_trx_id ?? '—' }}</small></td>
                                </tr>
                            @empty
                                <tr><td colspan="5" class="text-center text-muted py-3">{{ _lang('No payments yet.') }}</td></tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

        <div class="col-xl-5">
            @unless ($invoice->isSettled())
                <div class="card custom-card">
                    <div class="card-header"><div class="card-title">{{ _lang('Record Payment') }}</div></div>
                    <div class="card-body">
                        <form action="{{ route('admin.billing.payment', $invoice->id) }}" method="POST">
                            @csrf
                            <div class="mb-2">
                                <label class="form-label">{{ _lang('Amount (৳)') }}</label>
                                <input type="number" step="0.01" name="amount_taka" class="form-control" value="{{ $outstanding / 100 }}" required>
                            </div>
                            <div class="mb-2">
                                <label class="form-label">{{ _lang('Method') }}</label>
                                <select name="method" class="form-select">
                                    <option value="cash">{{ _lang('Cash') }}</option>
                                    <option value="bkash">bKash</option>
                                    <option value="nagad">Nagad</option>
                                    <option value="rocket">Rocket</option>
                                    <option value="manual">{{ _lang('Manual / Other') }}</option>
                                </select>
                            </div>
                            <input type="text" name="note" class="form-control mb-2" placeholder="{{ _lang('Note (optional)') }}">
                            <button class="btn btn-success w-100"><i class="bi bi-cash-coin"></i> {{ _lang('Record Payment') }}</button>
                        </form>
                    </div>
                </div>

                <div class="card custom-card">
                    <div class="card-header"><div class="card-title">{{ _lang('Discount / Waiver') }}</div></div>
                    <div class="card-body">
                        <form action="{{ route('admin.billing.discount', $invoice->id) }}" method="POST" class="d-flex gap-2 align-items-end mb-3">
                            @csrf
                            <div class="flex-grow-1">
                                <label class="form-label">{{ _lang('Discount (৳)') }}</label>
                                <input type="number" step="0.01" name="discount_taka" class="form-control" value="{{ $invoice->discount_amount / 100 }}">
                            </div>
                            <button class="btn btn-info-light"><i class="bi bi-percent"></i> {{ _lang('Apply') }}</button>
                        </form>
                        <form action="{{ route('admin.billing.waive', $invoice->id) }}" method="POST" class="d-flex gap-2 align-items-end">
                            @csrf
                            <div class="flex-grow-1">
                                <label class="form-label">{{ _lang('Waive (৳)') }}</label>
                                <input type="number" step="0.01" name="waive_taka" class="form-control" value="{{ $invoice->waived_amount / 100 }}">
                            </div>
                            <button class="btn btn-secondary-light"><i class="bi bi-x-circle"></i> {{ _lang('Waive') }}</button>
                        </form>
                    </div>
                </div>
            @endunless

            @if ($sub)
                <div class="card custom-card">
                    <div class="card-header justify-content-between">
                        <div class="card-title">{{ _lang('Subscription') }}</div>
                        <span class="badge {{ $subBadge[$sub->status] ?? 'bg-secondary-transparent' }}">{{ ucfirst($sub->status) }}</span>
                    </div>
                    <div class="card-body">
                        <p class="text-muted mb-2">{{ _lang('Interval') }}: {{ ucfirst($sub->billing_interval) }} • {{ _lang('Next invoice') }}: {{ optional($sub->current_period_end)->format('d M Y') }}</p>

                        {{-- Standing discount for this business (auto-applies to future invoices) --}}
                        <div class="mb-3">
                            <label class="form-label mb-1">{{ _lang('Standing discount') }}
                                @if ($sub->discount_type !== 'none' && $sub->discount_value > 0)
                                    <span class="badge bg-info-transparent">{{ $sub->discount_type === 'percent' ? $sub->discount_value.'%' : '৳'.number_format($sub->discount_value/100) }}</span>
                                @endif
                            </label>
                            <form action="{{ route('admin.billing.business-discount') }}" method="POST" class="d-flex flex-wrap gap-1 align-items-center">
                                @csrf
                                <input type="hidden" name="organization_id" value="{{ $invoice->organization_id }}">
                                <select name="discount_type" class="form-select form-select-sm" style="width:auto;">
                                    <option value="none" {{ $sub->discount_type === 'none' ? 'selected' : '' }}>{{ _lang('None') }}</option>
                                    <option value="percent" {{ $sub->discount_type === 'percent' ? 'selected' : '' }}>%</option>
                                    <option value="fixed" {{ $sub->discount_type === 'fixed' ? 'selected' : '' }}>৳</option>
                                </select>
                                <input type="number" step="0.01" min="0" name="discount_value" class="form-control form-control-sm" style="width:90px;"
                                    value="{{ $sub->discount_type === 'fixed' ? $sub->discount_value/100 : $sub->discount_value }}">
                                <button class="btn btn-sm btn-info-light">{{ _lang('Save') }}</button>
                            </form>
                        </div>

                        <div class="d-flex flex-wrap gap-2">
                            @if ($sub->status === 'suspended')
                                <form action="{{ route('admin.billing.resume', $sub->id) }}" method="POST">@csrf
                                    <button class="btn btn-success"><i class="bi bi-play-circle"></i> {{ _lang('Resume') }}</button>
                                </form>
                            @else
                                <form action="{{ route('admin.billing.suspend', $sub->id) }}" method="POST">@csrf
                                    <button class="btn btn-danger"><i class="bi bi-pause-circle"></i> {{ _lang('Suspend') }}</button>
                                </form>
                            @endif
                            <form action="{{ route('admin.billing.grace', $sub->id) }}" method="POST" class="d-flex gap-1 align-items-center">@csrf
                                <input type="number" name="grace_days" min="0" max="60" class="form-control form-control-sm" style="width:80px;" value="{{ $sub->grace_days }}">
                                <button class="btn btn-sm btn-primary-light">{{ _lang('Set grace days') }}</button>
                            </form>
                        </div>
                    </div>
                </div>
            @endif
        </div>
    </div>
@endsection