@extends('layouts.app')
@section('title', $deal->deal_no)
@section('heading', 'Deal '.$deal->deal_no)

@section('content')
@php
    $st = $deal->status;
    $kes = fn ($v) => 'KSh '.number_format((float) $v, 2);
    $isFinance = $deal->payment_type === 'finance';
    $balance = $deal->balance_due;
    $docs = $deal->documents->where('status', 'issued')->keyBy('type');
@endphp

<div class="flex flex-wrap items-start justify-between gap-3">
    <div>
        <p class="flex flex-wrap items-center gap-2 text-sm">
            <span class="inline-flex rounded-full border px-2.5 py-0.5 text-xs font-semibold {{ $st->badge() }}">{{ $st->label() }}</span>
            <span>{{ $isFinance ? 'Finance' : 'Cash' }} deal</span><span class="text-muted">· {{ $deal->salesperson?->name }} · started {{ $deal->created_at->format('d M Y') }}</span>
        </p>
        <h2 class="mt-1 text-xl font-bold">{{ $deal->customer->name }} · {{ $deal->vehicle->display_name }}</h2>
        <p class="text-sm text-muted">{{ $deal->vehicle->stock_id }} · {{ $deal->vehicle->vin }}
            @can('customers.view')· <a class="underline" href="{{ route('customers.show', $deal->customer) }}">Customer profile</a>@endcan
            @if ($deal->lead_id) · <a class="underline" href="{{ route('leads.show', $deal->lead_id) }}">Lead</a>@endif</p>
    </div>
    <div class="flex flex-wrap gap-2">
        @if (in_array($st, [\App\Enums\DealStatus::Draft, \App\Enums\DealStatus::Approved])) @can('deals.edit')<a href="{{ route('deals.edit', $deal) }}" class="btn-quiet">Edit terms</a>@endcan @endif
        @if ($st === \App\Enums\DealStatus::Draft) @can('deals.edit')
            <form method="POST" action="{{ route('deals.submit', $deal) }}">@csrf<button class="btn-primary">{{ $policy['level'] ? 'Submit for approval' : 'Finalise terms' }}</button></form>
        @endcan @endif
    </div>
</div>

{{-- What needs doing next --}}
@if ($st === \App\Enums\DealStatus::Draft && $policy['level'])
    <p class="mt-4 rounded-md border border-sky-300 bg-sky-50 p-3 text-sm text-sky-900">The discount of {{ $policy['percent'] }}% needs <strong>{{ $policy['level'] }}</strong> approval
        ({{ $policy['below_minimum'] ? 'it takes the price below the vehicle\'s minimum' : 'over the '.$policy['manager_limit'].'% limit' }}{{ $policy['level'] === 'director' ? '; above '.$policy['director_limit'].'% or below cost needs a director' : '' }}). Add a reason, then submit.</p>
@endif

@if ($currentApproval)
<section class="mt-4 rounded-md border border-amber-300 bg-amber-50 p-4" aria-labelledby="ap-h">
    <h2 id="ap-h" class="text-sm font-semibold text-amber-900">Waiting for {{ $currentApproval->level }} approval</h2>
    <p class="mt-1 text-sm">{{ $currentApproval->discount_percent }}% off ({{ $kes($currentApproval->discount_amount) }}), requested by {{ $currentApproval->requester?->name }}.
        @if ($currentApproval->below_minimum) <strong>Below the vehicle's minimum price.</strong> @endif Reason: {{ $currentApproval->reason }}</p>
    <div class="mt-3 flex flex-wrap items-start gap-3">
        @can('deals.approve_discount') @if (auth()->user()->can(\App\Services\DiscountPolicy::permissionFor($currentApproval->level)))
            <details class="rounded-md border border-emerald-300 bg-white"><summary class="cursor-pointer list-none px-3 py-2 text-sm font-medium text-emerald-900">Approve</summary>
                <form method="POST" action="{{ route('deals.approve', $deal) }}" class="space-y-2 border-t border-emerald-200 p-3">@csrf<label class="block text-xs font-medium" for="an">Note (optional)</label><input id="an" name="note" maxlength="500" class="field"><button class="btn-primary">Confirm approval</button></form></details>
            <details class="rounded-md border border-line bg-white"><summary class="cursor-pointer list-none px-3 py-2 text-sm font-medium">Decline</summary>
                <form method="POST" action="{{ route('deals.reject', $deal) }}" class="space-y-2 border-t border-line p-3">@csrf<label class="block text-xs font-medium" for="rn">Why not?</label><input id="rn" name="note" required maxlength="500" class="field"><button class="btn-quiet">Decline request</button></form></details>
        @endif @endcan
        @can('deals.edit')<form method="POST" action="{{ route('deals.withdraw', $deal) }}">@csrf<button class="btn-quiet">Withdraw request</button></form>@endcan
    </div>
</section>
@endif

<div class="mt-5 grid gap-5 lg:grid-cols-3">
<div class="space-y-5 lg:col-span-2">

    {{-- Money --}}
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="pr-h">
        <h2 id="pr-h" class="text-sm font-semibold">Price</h2>
        <dl class="mt-3 space-y-1.5 text-sm">
            <div class="flex justify-between"><dt class="text-muted">Vehicle price</dt><dd>{{ $kes($deal->list_price) }}</dd></div>
            @if (bccomp((string) $deal->discount_amount, '0', 2) > 0)<div class="flex justify-between"><dt class="text-muted">Discount ({{ $policy['percent'] }}%){{ $deal->discount_reason ? ' · '.$deal->discount_reason : '' }}</dt><dd class="text-stop">− {{ $kes($deal->discount_amount) }}</dd></div>@endif
            @foreach ($deal->items as $i)<div class="flex justify-between"><dt class="text-muted">{{ $i->description }}{{ $i->quantity > 1 ? ' × '.$i->quantity : '' }}</dt><dd>{{ $kes($i->line_total) }}</dd></div>@endforeach
            @if (bccomp((string) $deal->tax_amount, '0', 2) > 0)<div class="flex justify-between"><dt class="text-muted">{{ $deal->taxRate?->name ?? 'Tax' }} {{ $deal->tax_inclusive ? '(included)' : '(added)' }}</dt><dd>{{ $kes($deal->tax_amount) }}</dd></div>@endif
            <div class="flex justify-between border-t border-line pt-1.5 font-semibold"><dt>Total price</dt><dd>{{ $kes($deal->grand_total) }}</dd></div>
            @if ($deal->tradeIn)<div class="flex justify-between"><dt class="text-muted">Trade-in: {{ $deal->tradeIn->display_name }}</dt><dd>− {{ $kes($deal->trade_in_credit) }}</dd></div>@endif
            <div class="flex justify-between"><dt class="text-muted">Deposit required</dt><dd>{{ $kes($deal->deposit_required) }}</dd></div>
            <div class="flex justify-between"><dt class="text-muted">Received so far</dt><dd>{{ $kes($deal->paid) }}</dd></div>
            <div class="flex justify-between border-t border-line pt-1.5 text-base font-semibold"><dt>Balance due</dt><dd class="{{ bccomp($balance, '0', 2) <= 0 ? 'text-go' : '' }}">{{ bccomp($balance, '0', 2) <= 0 ? 'Paid in full' : $kes($balance) }}</dd></div>
        </dl>
        @can('deals.view_margin')
            <p class="mt-3 border-t border-line pt-2 text-sm"><span class="text-muted">Margin on the vehicle (price after discount less landed cost):</span> <strong>{{ $kes(bcsub((string) $deal->net_price, (string) $deal->vehicle->landed_cost, 2)) }}</strong></p>
        @endcan
    </section>

    @if ($isFinance && $quote['finance'])
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="fin-h">
        <h2 id="fin-h" class="text-sm font-semibold">Financing</h2>
        <dl class="mt-3 grid gap-3 text-sm sm:grid-cols-4">
            <div><dt class="text-xs text-muted">Amount financed</dt><dd class="font-semibold">{{ $kes($quote['finance']['principal']) }}</dd></div>
            <div><dt class="text-xs text-muted">Monthly instalment</dt><dd class="font-semibold">{{ $kes($quote['finance']['installment']) }}</dd></div>
            <div><dt class="text-xs text-muted">Rate and term</dt><dd class="font-semibold">{{ rtrim(rtrim($deal->interest_rate, '0'), '.') }}% {{ $deal->interest_method === 'flat' ? 'flat' : 'reducing' }} · {{ $deal->term_months }} mo</dd></div>
            <div><dt class="text-xs text-muted">True yearly cost</dt><dd class="font-semibold">{{ $deal->effective_rate }}%</dd></div>
            <div><dt class="text-xs text-muted">Total interest</dt><dd>{{ $kes($quote['finance']['total_interest']) }}</dd></div>
            <div><dt class="text-xs text-muted">Total to repay</dt><dd>{{ $kes($quote['finance']['total_repayable']) }}</dd></div>
            <div><dt class="text-xs text-muted">Lender</dt><dd>{{ $deal->financier_name ?: 'Not set' }}{{ $deal->financier_reference ? ' · '.$deal->financier_reference : '' }}</dd></div>
        </dl>
        <details class="mt-3 text-sm"><summary class="cursor-pointer font-medium">Payment schedule</summary>
            <div class="mt-2 max-h-72 overflow-auto"><table class="min-w-full text-left text-xs"><caption class="sr-only">Schedule</caption>
                <thead class="sticky top-0 bg-panel text-muted"><tr><th scope="col" class="py-1 pr-2">#</th><th scope="col" class="py-1 pr-2">Due</th><th scope="col" class="py-1 pr-2 text-right">Instalment</th><th scope="col" class="py-1 pr-2 text-right">Interest</th><th scope="col" class="py-1 text-right">Balance</th></tr></thead>
                <tbody>@foreach ($quote['finance']['schedule'] as $row)<tr class="border-t border-line"><td class="py-1 pr-2">{{ $row['n'] }}</td><td class="py-1 pr-2">{{ $row['due_date'] }}</td><td class="py-1 pr-2 text-right">{{ number_format((float) $row['installment'], 2) }}</td><td class="py-1 pr-2 text-right">{{ number_format((float) $row['interest'], 2) }}</td><td class="py-1 text-right">{{ number_format((float) $row['closing'], 2) }}</td></tr>@endforeach</tbody></table></div></details>
    </section>
    @endif

    {{-- Payments --}}
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="pay-h">
        <h2 id="pay-h" class="text-sm font-semibold">Payments</h2>
        <table class="mt-3 min-w-full text-left text-sm"><caption class="sr-only">Payments</caption>
            <thead class="border-b border-line text-xs text-muted"><tr><th scope="col" class="py-2 pr-3 font-medium">Date</th><th scope="col" class="py-2 pr-3 font-medium">Method</th><th scope="col" class="py-2 pr-3 font-medium">Reference</th><th scope="col" class="py-2 pr-3 text-right font-medium">Amount</th><th scope="col" class="py-2"><span class="sr-only">Actions</span></th></tr></thead>
            <tbody class="divide-y divide-line">
            @forelse ($deal->payments as $p)
                <tr class="{{ $p->status === 'reversed' ? 'text-muted line-through' : '' }}">
                    <td class="py-2 pr-3">{{ $p->received_on->format('d M Y') }}</td><td class="py-2 pr-3">{{ $p->method->name }}{{ $p->payer === 'financier' ? ' (lender)' : '' }}</td><td class="py-2 pr-3">{{ $p->reference }}</td>
                    <td class="py-2 pr-3 text-right">{{ number_format((float) $p->amount, 2) }}</td>
                    <td class="py-2 text-right no-underline">@if ($p->receipt)<a class="text-xs underline" href="{{ route('documents.show', $p->receipt) }}">Receipt</a>@endif
                        @if ($p->status === 'confirmed' && $st !== \App\Enums\DealStatus::Completed) @can('payments.refund')
                            <details class="mt-1 text-left"><summary class="cursor-pointer text-xs text-stop">Reverse</summary>
                                <form method="POST" action="{{ route('payments.reverse', $p) }}" class="mt-1 flex gap-1">@csrf<label class="sr-only" for="rv{{ $p->id }}">Reason</label><input id="rv{{ $p->id }}" name="reason" required maxlength="255" placeholder="Reason" class="field text-xs"><button class="btn-quiet px-2 py-1 text-xs">Reverse</button></form></details>
                        @endcan @endif</td>
                </tr>
            @empty
                <tr><td colspan="5" class="py-6 text-center text-muted">Nothing received yet.</td></tr>
            @endforelse
            </tbody></table>

        @can('payments.record') @if (in_array($st, [\App\Enums\DealStatus::Approved, \App\Enums\DealStatus::Confirmed]) && bccomp($balance, '0', 2) > 0)
        <form method="POST" action="{{ route('payments.store', $deal) }}" class="mt-4 grid gap-3 border-t border-line pt-4 sm:grid-cols-6">@csrf
            <div class="sm:col-span-2"><label for="pm" class="mb-1 block text-xs font-medium">Paid by</label><select id="pm" name="payment_method_id" required class="field">@foreach ($paymentMethods as $m)<option value="{{ $m->id }}">{{ $m->name }}</option>@endforeach</select></div>
            <div><label for="pa" class="mb-1 block text-xs font-medium">Amount (KES)</label><input id="pa" name="amount" type="number" step="0.01" min="0.01" max="{{ $balance }}" required class="field"></div>
            <div><label for="pr" class="mb-1 block text-xs font-medium">Reference</label><input id="pr" name="reference" maxlength="60" placeholder="M-Pesa code" class="field uppercase"></div>
            <div><label for="pd" class="mb-1 block text-xs font-medium">Received on</label><input id="pd" name="received_on" type="date" required value="{{ today()->toDateString() }}" max="{{ today()->toDateString() }}" class="field"></div>
            @if ($isFinance)<div><label for="pp" class="mb-1 block text-xs font-medium">From</label><select id="pp" name="payer" class="field"><option value="customer">Customer</option><option value="financier">Lender (loan paid out)</option></select></div>@endif
            <div class="sm:col-span-6"><button class="btn-primary">Record payment and issue receipt</button></div>
        </form>
        @endif @endcan
    </section>

    @includeIf('deals._mpesa', ['deal' => $deal])
    @includeIf('staff._deal_links', ['deal' => $deal])

    @if ($deal->approvals->count())
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="hist-h"><h2 id="hist-h" class="text-sm font-semibold">Approval history</h2>
        <ul class="mt-3 space-y-2 text-sm">@foreach ($deal->approvals as $a)
            <li><span class="rounded border px-1.5 py-0.5 text-xs">{{ ucfirst($a->status) }}</span> {{ $a->discount_percent }}% ({{ $a->level }}) requested by {{ $a->requester?->name }} on {{ $a->created_at->format('d M, H:i') }}
                @if ($a->decider) · decided by {{ $a->decider->name }}{{ $a->self_approved ? ' (own request)' : '' }}{{ $a->decision_note ? ': '.$a->decision_note : '' }}@endif</li>@endforeach</ul></section>
    @endif
</div>

{{-- Documents and next steps --}}
<aside class="space-y-5">
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="doc-h">
        <h2 id="doc-h" class="text-sm font-semibold">Documents</h2>
        <ul class="mt-3 space-y-3 text-sm">
            @foreach (['proforma' => ['Pro-forma invoice', 'deals.issue_documents'], 'agreement' => ['Sales agreement', 'deals.issue_documents'], 'tax_invoice' => ['Tax invoice', 'deals.issue_tax_invoice'], 'gate_pass' => ['Gate pass', 'deals.issue_gate_pass']] as $type => [$label, $perm])
                @php $doc = $docs->get($type); @endphp
                <li>
                    <p class="font-medium">{{ $label }}</p>
                    @if ($doc)
                        <p><a class="underline" href="{{ route('documents.show', $doc) }}">{{ $doc->number }}</a> <span class="text-xs text-muted">{{ $doc->issued_at->format('d M') }}</span>
                            @if ($doc->terms_version < $deal->terms_version)<span class="ml-1 rounded bg-amber-100 px-1.5 text-xs text-amber-900">Out of date</span>@endif
                            @if ($doc->released_at)<span class="ml-1 rounded bg-emerald-100 px-1.5 text-xs text-emerald-900">Used</span>@endif</p>
                    @endif
                    @if (! $doc || $type === 'proforma')
                        @can($perm)
                            @if ($type === 'gate_pass')
                                <details class="mt-1 rounded-md border border-line"><summary class="cursor-pointer list-none px-3 py-1.5 text-xs font-medium hover:bg-ground">Issue gate pass</summary>
                                    <form method="POST" action="{{ route('documents.store', [$deal, 'gate_pass']) }}" class="space-y-2 border-t border-line p-3">@csrf
                                        <label class="block text-xs font-medium" for="cn">Collected by (full name)</label><input id="cn" name="collector_name" required maxlength="120" class="field">
                                        <label class="block text-xs font-medium" for="ci">Their ID number (only the last 4 characters are kept)</label><input id="ci" name="collector_id" required maxlength="30" autocomplete="off" class="field">
                                        @if (bccomp($balance, '0', 2) > 0) @can('deals.override_release')<label class="block text-xs font-medium" for="co">Balance unpaid: reason for releasing anyway</label><input id="co" name="override_reason" maxlength="255" class="field">@endcan @endif
                                        <button class="btn-primary">Issue</button></form></details>
                            @else
                                <form method="POST" action="{{ route('documents.store', [$deal, $type]) }}" class="mt-1">@csrf<button class="btn-quiet px-3 py-1.5 text-xs">{{ $doc ? 'Issue a new one' : 'Issue' }}</button></form>
                            @endif
                        @endcan
                    @endif
                </li>
            @endforeach
        </ul>
        @if ($deal->documents->where('type', 'receipt')->where('status', 'issued')->count())<p class="mt-3 border-t border-line pt-2 text-xs text-muted">Receipts are listed beside each payment.</p>@endif
    </section>

    @if ($agreement)
    <section class="rounded-lg border border-line bg-panel p-4" aria-labelledby="sig-h">
        <h2 id="sig-h" class="text-sm font-semibold">Agreement signatures</h2>
        <ul class="mt-3 space-y-2 text-sm">
            @foreach (['buyer' => 'Buyer', 'seller' => 'Seller (dealership)'] as $role => $label)
                @php $sig = $agreement->signatures->firstWhere('role', $role); @endphp
                <li><span class="font-medium">{{ $label }}</span>:
                    @if ($sig) signed by {{ $sig->signer_name }}, {{ $sig->signed_at->format('d M, H:i') }}
                    @else <span class="text-amber-800">not signed</span>
                        @can('deals.edit') @if ($role === 'buyer')<a class="ml-1 underline" href="{{ route('agreements.staff.show', [$agreement, 'buyer']) }}">Sign on this device</a>
                        @elseif (auth()->user()->can('deals.sign_agreement'))<a class="ml-1 underline" href="{{ route('agreements.staff.show', [$agreement, 'seller']) }}">Sign for the dealership</a>@endif @endcan
                    @endif</li>
            @endforeach
        </ul>
        @if ($buyerLink)
            @php $msg = \App\Support\WhatsApp::template('first_contact', []); $text = 'Hello '.explode(' ', $deal->customer->name)[0].', please read and sign your sales agreement for the '.$deal->vehicle->display_name.' here: '.$buyerLink; @endphp
            <a href="{{ \App\Support\WhatsApp::link($deal->customer->phone, $text) }}" target="_blank" rel="noopener" class="btn-quiet mt-3 w-full">Send signing link on WhatsApp</a>
            <p class="mt-1 text-xs text-muted">The link works for {{ config('deals.agreement_link_hours') }} hours.</p>
        @endif
    </section>
    @endif

    @if ($st->isOpen()) @can('deals.cancel')
    <section class="rounded-lg border border-line bg-panel p-4"><details><summary class="cursor-pointer text-sm font-medium text-stop">Cancel this deal</summary>
        <form method="POST" action="{{ route('deals.cancel', $deal) }}" class="mt-2 space-y-2">@csrf<label class="block text-xs font-medium" for="cr">Reason</label><input id="cr" name="reason" required maxlength="255" class="field">
            <button class="btn-quiet">Cancel deal</button><p class="text-xs text-muted">Releases the vehicle hold and voids unused documents. Payments must be reversed first.</p></form></details></section>
    @endcan @endif
</aside>
</div>
@endsection