@php
    $money = fn (?int $cents, string $currency = 'EUR') => $cents === null
        ? '—'
        : Number::currency($cents / 100, in: $currency, locale: app()->getLocale());
    $date = fn ($value) => $value === null ? '—' : $value->local()->isoFormat('D. MMM YYYY');
@endphp

<div class="mx-auto max-w-[1120px] space-y-6">
    {{-- ── Who, at a glance ─────────────────────────────────────────────────
         The four things somebody on the phone needs before they say anything:
         who it is, whether the account is live, what they are on, and whether
         the machine is running. --}}
    <div class="animate-rise">
        <a href="{{ route('admin.customers') }}" wire:navigate class="text-xs font-semibold text-muted hover:text-ink">
            ‹ {{ __('customer_detail.back') }}
        </a>
        <div class="mt-1 flex flex-wrap items-center gap-x-4 gap-y-2">
            <h1 class="text-2xl font-bold tracking-tight text-ink">{{ $customer->name }}</h1>
            <x-ui.badge :status="$customer->status === 'active' ? 'active' : 'warning'">
                {{ __('admin.status.'.$customer->status) }}
            </x-ui.badge>
            @if ($subscription)
                <x-ui.badge status="provisioning">{{ __('billing.plan.'.$subscription->plan) }}</x-ui.badge>
            @endif
            <a href="mailto:{{ $customer->email }}" class="ml-auto font-mono text-sm text-muted hover:text-ink">{{ $customer->email }}</a>
        </div>
    </div>

    {{-- ── The tabs ─────────────────────────────────────────────────────────
         Four different questions, and stacking them made a page nobody read to
         the bottom. Writing is last, because it is what you do after reading.
         The choice is in the query string, so a reload, a bookmark and the back
         button all land where the operator was. --}}
    <div class="flex flex-wrap items-center gap-x-1 gap-y-2 border-b border-line animate-rise [animation-delay:40ms]" role="tablist">
        @foreach ($tabs as $name)
            <button type="button" role="tab" wire:click="$set('tab', '{{ $name }}')"
                    aria-selected="{{ $tab === $name ? 'true' : 'false' }}"
                    @class([
                        'flex items-center gap-2 whitespace-nowrap border-b-2 px-4 py-2.5 text-sm font-medium transition-colors -mb-px',
                        'border-accent-active text-ink' => $tab === $name,
                        'border-transparent text-muted hover:text-ink' => $tab !== $name,
                    ])>
                <x-ui.icon :name="['overview' => 'users', 'package' => 'box', 'billing' => 'receipt', 'messages' => 'mail', 'compose' => 'send'][$name] ?? 'settings'"
                           class="size-4" />{{ __('customer_detail.tab.'.$name) }}
                @if ($name === 'messages' && $openRequests > 0)
                    <span class="rounded-pill bg-warning-bg px-1.5 text-[10px] font-semibold text-warning">{{ $openRequests }}</span>
                @endif
            </button>
        @endforeach
    </div>

    {{-- ══ Stammdaten ═══════════════════════════════════════════════════════ --}}
    @if ($tab === 'overview')
        <div class="grid gap-5 lg:grid-cols-2 lg:items-start">
            <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise">
                <h2 class="font-semibold text-ink">{{ __('customer_detail.identity') }}</h2>
                <dl class="mt-4 space-y-3 text-sm">
                    @foreach ([
                        __('customer_detail.company') => $customer->name,
                        __('customer_detail.contact') => $customer->contact_name ?: '—',
                        __('customer_detail.email') => $customer->email,
                        __('customer_detail.phone') => $customer->phone ?: '—',
                        __('customer_detail.since') => $date($customer->created_at),
                        __('customer_detail.locale') => strtoupper((string) ($customer->locale ?: '—')),
                    ] as $term => $value)
                        <div class="flex justify-between gap-4 border-b border-line pb-3 last:border-0 last:pb-0">
                            <dt class="text-muted">{{ $term }}</dt>
                            <dd class="text-right font-medium text-ink">{{ $value }}</dd>
                        </div>
                    @endforeach
                </dl>
            </div>

            <div class="space-y-5">
                {{-- Whose money it is, in the tax sense. Consumer or business is
                     not cosmetic: it decides whether a withdrawal right exists
                     at all, and "nobody asked" is treated as consumer. --}}
                <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:60ms]">
                    <h2 class="font-semibold text-ink">{{ __('customer_detail.tax') }}</h2>
                    <dl class="mt-4 space-y-3 text-sm">
                        <div class="flex justify-between gap-4">
                            <dt class="text-muted">{{ __('customer_detail.type') }}</dt>
                            <dd class="text-right font-medium text-ink">
                                @if ($customer->hasRecordedType())
                                    {{ __('customer_detail.type_'.$customer->customer_type) }}
                                @else
                                    <span class="text-warning">{{ __('customer_detail.type_unknown') }}</span>
                                @endif
                            </dd>
                        </div>
                        <div class="flex justify-between gap-4">
                            <dt class="text-muted">{{ __('customer_detail.vat_id') }}</dt>
                            <dd class="text-right font-mono text-ink">
                                {{ $customer->vat_id ?: '—' }}
                                @if ($customer->vat_id && $customer->hasVerifiedVatId())
                                    <x-ui.badge status="active" class="ml-1">{{ __('customer_detail.verified') }}</x-ui.badge>
                                @elseif ($customer->vat_id)
                                    <x-ui.badge status="warning" class="ml-1">{{ __('customer_detail.unverified') }}</x-ui.badge>
                                @endif
                            </dd>
                        </div>
                        <div class="flex justify-between gap-4">
                            <dt class="text-muted">{{ __('customer_detail.stripe') }}</dt>
                            <dd class="text-right font-mono text-xs text-muted">{{ $customer->stripe_customer_id ?: '—' }}</dd>
                        </div>
                    </dl>
                </div>

                <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:120ms]">
                    <h2 class="font-semibold text-ink">{{ __('customer_detail.address') }}</h2>
                    <p class="mt-3 whitespace-pre-line text-sm leading-relaxed text-body">
                        {{ $customer->billing_address ?: __('customer_detail.no_address') }}
                    </p>
                </div>
            </div>
        </div>
    @endif

    {{-- ══ Paket & Maschine ═════════════════════════════════════════════════ --}}
    @if ($tab === 'package')
        @if ($subscription === null)
            <x-ui.alert variant="info">{{ __('customer_detail.no_contract') }}</x-ui.alert>
        @else
            <div class="grid gap-5 lg:grid-cols-2 lg:items-start">
                <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise">
                    <div class="flex flex-wrap items-center gap-3">
                        <h2 class="font-semibold text-ink">{{ __('billing.plan.'.$subscription->plan) }}</h2>
                        <x-ui.badge :status="$subscription->status === 'active' ? 'active' : 'warning'">
                            {{ $subscription->status }}
                        </x-ui.badge>
                    </div>

                    {{-- The contract's OWN frozen figures, not today's catalogue:
                         this is what the customer is owed, and a price rise does
                         not reach back into it. --}}
                    <dl class="mt-4 space-y-3 text-sm">
                        @foreach ([
                            __('customer_detail.price') => $money($subscription->price_cents, $subscription->currency).' '.__('customer_detail.net_per', ['term' => __('customer_detail.term_'.$subscription->term)]),
                            __('customer_detail.quota') => $subscription->quota_gb.' GB',
                            __('customer_detail.traffic') => $subscription->traffic_gb.' GB',
                            __('customer_detail.seats') => $subscription->seats,
                            __('customer_detail.started') => $date($subscription->started_at),
                            __('customer_detail.period_end') => $date($subscription->current_period_end),
                        ] as $term => $value)
                            <div class="flex justify-between gap-4 border-b border-line pb-3 last:border-0 last:pb-0">
                                <dt class="text-muted">{{ $term }}</dt>
                                <dd class="text-right font-medium text-ink">{{ $value }}</dd>
                            </div>
                        @endforeach
                    </dl>

                    @if ($subscription->cancelled_at)
                        <x-ui.alert variant="warning" class="mt-4">
                            {{ __('customer_detail.cancelled', ['date' => $date($subscription->cancelled_at)]) }}
                        </x-ui.alert>
                    @endif
                </div>

                <div class="space-y-5">
                    @if ($subscription->addons->isNotEmpty())
                        <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:60ms]">
                            <h2 class="font-semibold text-ink">{{ __('customer_detail.addons') }}</h2>
                            <ul class="mt-3 divide-y divide-line text-sm">
                                @foreach ($subscription->addons as $addon)
                                    {{-- addon_key and price_cents are the column
                                         names; the price is the one it was
                                         BOOKED at, which is what the customer
                                         agreed to and what the row freezes. --}}
                                    <li class="flex flex-wrap items-baseline justify-between gap-3 py-2.5">
                                        <span class="text-body">
                                            {{ __('billing.addon.'.$addon->addon_key.'.name') }}
                                            @if ($addon->cancels_at)
                                                <span class="text-xs text-warning">
                                                    {{ __('customer_detail.addon_until', ['date' => $date($addon->cancels_at)]) }}
                                                </span>
                                            @endif
                                        </span>
                                        <span class="font-mono tabular-nums text-ink">
                                            {{ $addon->quantity > 1 ? $addon->quantity.' × ' : '' }}{{ $money($addon->price_cents, $subscription->currency) }}
                                        </span>
                                    </li>
                                @endforeach
                            </ul>
                        </div>
                    @endif

                    <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:120ms]">
                        <h2 class="font-semibold text-ink">{{ __('customer_detail.machine') }}</h2>
                        @if ($instance === null)
                            <p class="mt-3 text-sm text-muted">{{ __('customer_detail.no_instance') }}</p>
                        @else
                            <dl class="mt-4 space-y-3 text-sm">
                                @foreach ([
                                    __('customer_detail.address_web') => $instance->subdomain ?: '—',
                                    __('customer_detail.instance_status') => __('admin.status.'.$instance->status),
                                    __('customer_detail.host') => $instance->host?->name ?? '—',
                                    __('customer_detail.datacenter') => $instance->host?->datacenter ?? '—',
                                    __('customer_detail.disk') => $instance->disk_gb.' GB',
                                ] as $term => $value)
                                    <div class="flex justify-between gap-4 border-b border-line pb-3 last:border-0 last:pb-0">
                                        <dt class="text-muted">{{ $term }}</dt>
                                        <dd class="text-right font-mono text-ink">{{ $value }}</dd>
                                    </div>
                                @endforeach
                            </dl>
                        @endif
                    </div>
                </div>
            </div>
        @endif
    @endif

    {{-- ══ Zahlungen ════════════════════════════════════════════════════════ --}}
    @if ($tab === 'billing')
        <div class="space-y-5">
            <div class="overflow-hidden rounded-lg border border-line bg-surface shadow-xs animate-rise">
                <div class="flex flex-wrap items-center gap-3 border-b border-line px-6 py-4">
                    <h2 class="font-semibold text-ink">{{ __('customer_detail.invoices') }}</h2>
                    <x-ui.button :href="route('admin.invoices.new', ['customer' => $customer->uuid])"
                                 variant="secondary" size="sm" class="ml-auto" wire:navigate>
                        <x-ui.icon name="receipt" class="size-4" />{{ __('customer_detail.write_invoice') }}
                    </x-ui.button>
                </div>

                @if ($invoices->isEmpty())
                    <p class="p-8 text-center text-sm text-muted">{{ __('customer_detail.no_invoices') }}</p>
                @else
                    <table class="w-full text-sm">
                        <thead>
                            <tr class="border-b border-line bg-surface-2 text-left text-xs font-semibold text-muted">
                                <th class="px-6 py-3 font-semibold">{{ __('customer_detail.number') }}</th>
                                <th class="px-6 py-3 font-semibold">{{ __('customer_detail.issued') }}</th>
                                <th class="px-6 py-3 text-right font-semibold">{{ __('customer_detail.net') }}</th>
                                <th class="px-6 py-3 text-right font-semibold">{{ __('customer_detail.gross') }}</th>
                                <th class="px-6 py-3"></th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach ($invoices as $invoice)
                                <tr class="border-b border-line last:border-0">
                                    <td class="px-6 py-3 font-mono text-ink">{{ $invoice->number }}</td>
                                    <td class="px-6 py-3 text-muted">{{ $date($invoice->issued_on) }}</td>
                                    <td class="px-6 py-3 text-right font-mono tabular-nums text-body">{{ $money($invoice->net_cents, $invoice->currency) }}</td>
                                    <td class="px-6 py-3 text-right font-mono tabular-nums font-semibold text-ink">{{ $money($invoice->gross_cents, $invoice->currency) }}</td>
                                    <td class="px-6 py-3 text-right">
                                        <a href="{{ route('admin.invoices.pdf', $invoice->uuid) }}"
                                           class="text-xs font-semibold text-accent-text hover:underline">PDF</a>
                                    </td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                @endif
            </div>

            {{-- What they actually bought, as opposed to what was invoiced. The
                 two answer different questions: an order is a purchase, an
                 invoice is a document about one. --}}
            <div class="overflow-hidden rounded-lg border border-line bg-surface shadow-xs animate-rise [animation-delay:60ms]">
                <h2 class="border-b border-line px-6 py-4 font-semibold text-ink">{{ __('customer_detail.orders') }}</h2>

                @if ($orders->isEmpty())
                    <p class="p-8 text-center text-sm text-muted">{{ __('customer_detail.no_orders') }}</p>
                @else
                    <ul class="divide-y divide-line">
                        @foreach ($orders as $order)
                            <li class="flex flex-wrap items-baseline gap-x-4 gap-y-1 px-6 py-3 text-sm">
                                <span class="font-medium text-ink">{{ $order->label() }}</span>
                                <x-ui.badge :status="$order->status === 'paid' ? 'active' : 'warning'">{{ $order->status }}</x-ui.badge>
                                <span class="font-mono text-xs text-muted">{{ $date($order->created_at) }}</span>
                                <span class="ml-auto font-mono tabular-nums text-ink">{{ $money($order->amount_cents, $order->currency) }}</span>
                            </li>
                        @endforeach
                    </ul>
                @endif
            </div>
        </div>
    @endif

    {{-- ══ Nachrichten ══════════════════════════════════════════════════════ --}}
    @if ($tab === 'messages')
        <div class="space-y-5">
            {{-- What they asked through the portal --}}
            <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise">
                <h2 class="font-semibold text-ink">{{ __('customer_detail.requests') }}</h2>

                @if ($requests->isEmpty())
                    <p class="mt-3 text-sm text-muted">{{ __('customer_detail.no_requests') }}</p>
                @else
                    <ul class="mt-3 divide-y divide-line">
                        @foreach ($requests as $request)
                            <li class="py-4">
                                <div class="flex flex-wrap items-baseline gap-x-3 gap-y-1">
                                    <span class="font-medium text-ink">{{ $request->subject }}</span>
                                    <x-ui.badge :status="$request->isOpen() ? 'warning' : 'active'">
                                        {{ __('support.status_'.$request->status) }}
                                    </x-ui.badge>
                                    <span class="ml-auto text-xs text-muted">{{ $request->created_at->local()->isoFormat('D. MMM YYYY, HH:mm') }}</span>
                                </div>
                                <p class="mt-2 whitespace-pre-line text-sm leading-relaxed text-body">{{ $request->body }}</p>
                                @if ($request->isOpen())
                                    <x-ui.button wire:click="answer('{{ $request->uuid }}')" variant="secondary" size="sm" class="mt-3">
                                        {{ __('customer_detail.answer') }}
                                    </x-ui.button>
                                @endif
                            </li>
                        @endforeach
                    </ul>
                @endif
            </div>

            {{-- What they wrote by mail --}}
            <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:60ms]">
                <div class="flex flex-wrap items-center gap-3">
                    <h2 class="font-semibold text-ink">{{ __('customer_detail.inbound') }}</h2>
                    <a href="{{ route('admin.inbox') }}" class="ml-auto text-xs font-semibold text-accent-text hover:underline">
                        {{ __('customer_detail.to_inbox') }} ›
                    </a>
                </div>

                @if ($inbound->isEmpty())
                    <p class="mt-3 text-sm text-muted">{{ __('customer_detail.no_inbound') }}</p>
                @else
                    <ul class="mt-3 divide-y divide-line">
                        @foreach ($inbound as $mail)
                            <li class="py-3">
                                <div class="flex flex-wrap items-baseline gap-x-3 gap-y-1 text-sm">
                                    <span class="font-medium text-ink">{{ $mail->subject ?: __('inbox.no_subject') }}</span>
                                    @if ($mail->hasAttachments())
                                        <x-ui.badge status="warning">{{ __('inbox.attachments') }}: {{ count($mail->attachments) }}</x-ui.badge>
                                    @endif
                                    <span class="ml-auto font-mono text-xs text-muted">{{ $mail->received_at->local()->isoFormat('D. MMM YYYY, HH:mm') }}</span>
                                </div>
                                <p class="mt-1.5 whitespace-pre-line text-xs leading-relaxed text-body">{{ $mail->body }}</p>
                            </li>
                        @endforeach
                    </ul>
                @endif
            </div>

            {{-- What we sent --}}
            <div class="rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:120ms]">
                <div class="flex flex-wrap items-center gap-3">
                    <h2 class="font-semibold text-ink">{{ __('customer_detail.mails') }}</h2>
                    <a href="{{ route('admin.mail-log') }}" class="ml-auto text-xs font-semibold text-accent-text hover:underline">
                        {{ __('customer_detail.all_mails') }} ›
                    </a>
                </div>

                @if ($mails->isEmpty())
                    <p class="mt-3 text-sm text-muted">{{ __('customer_detail.no_mails') }}</p>
                @else
                    <ul class="mt-3 divide-y divide-line">
                        @foreach ($mails as $mail)
                            <li class="py-3">
                                <div class="flex flex-wrap items-baseline gap-x-3 gap-y-1 text-sm">
                                    <span class="font-medium text-ink">{{ $mail->subject }}</span>
                                    @if ($mail->from_operator)
                                        <x-ui.badge status="provisioning">{{ __('customer_detail.by_hand') }}</x-ui.badge>
                                    @endif
                                    <span class="ml-auto font-mono text-xs text-muted">
                                        {{ $mail->sent_at->local()->isoFormat('D. MMM YYYY, HH:mm') }}
                                    </span>
                                </div>
                                @if ($mail->body)
                                    <p class="mt-1.5 whitespace-pre-line text-xs leading-relaxed text-muted">{{ $mail->body }}</p>
                                @else
                                    <p class="mt-1 font-mono text-xs text-faint">{{ $mail->kind() }}</p>
                                @endif
                            </li>
                        @endforeach
                    </ul>
                @endif
            </div>
        </div>
    @endif

    {{-- ══ Schreiben ════════════════════════════════════════════════════════ --}}
    @if ($tab === 'compose')
        <div class="grid gap-5 lg:grid-cols-[1fr_300px] lg:items-start">
            <div class="space-y-4 rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise">
                <div class="flex flex-wrap items-center gap-3">
                    <h2 class="font-semibold text-ink">{{ __('customer_message.title') }}</h2>
                    @if ($answering)
                        <x-ui.badge status="provisioning">{{ __('customer_message.answering') }}</x-ui.badge>
                        <button type="button" wire:click="cancelAnswer" class="text-xs font-semibold text-muted hover:text-ink">
                            {{ __('customer_message.cancel_answer') }}
                        </button>
                    @endif
                </div>

                <form wire:submit="send" class="space-y-4">
                    <x-ui.input name="subject" wire:model="subject" :label="__('customer_message.subject')" />
                    <div>
                        <label for="body" class="block text-sm font-medium text-body">{{ __('customer_message.body') }}</label>
                        <textarea id="body" rows="12" wire:model="body"
                                  class="mt-1.5 block w-full rounded border border-line bg-surface px-3.5 py-2.5 text-sm text-ink placeholder:text-faint"
                                  placeholder="{{ __('customer_message.body_hint') }}"></textarea>
                        @error('body')<p class="mt-1.5 text-xs text-danger">{{ $message }}</p>@enderror
                    </div>
                    <div class="flex flex-wrap items-center gap-3">
                        <x-ui.button type="submit" variant="primary" wire:loading.attr="disabled" wire:target="send">
                            <x-ui.icon name="send" class="size-4" />{{ __('customer_message.send') }}
                        </x-ui.button>
                        <p class="text-xs text-muted">{{ __('customer_message.note', ['email' => $customer->email]) }}</p>
                    </div>
                </form>
            </div>

            {{-- The templates. Inserted with this customer's own details already
                 in them; the last two sentences stay the operator's to write. --}}
            <div class="space-y-3 rounded-lg border border-line bg-surface p-6 shadow-xs animate-rise [animation-delay:60ms] lg:sticky lg:top-6">
                <div class="flex flex-wrap items-center gap-2">
                    <h2 class="font-semibold text-ink">{{ __('customer_message.templates') }}</h2>
                    <a href="{{ route('admin.templates') }}" class="ml-auto text-xs font-semibold text-accent-text hover:underline">
                        {{ __('customer_message.manage_templates') }} ›
                    </a>
                </div>

                @if ($templates->isEmpty())
                    <p class="text-xs leading-relaxed text-muted">{{ __('customer_message.no_templates') }}</p>
                @else
                    <p class="text-xs leading-relaxed text-muted">{{ __('customer_message.templates_note') }}</p>
                    <ul class="space-y-1.5">
                        @foreach ($templates as $template)
                            <li>
                                <button type="button" wire:click="useTemplate('{{ $template->uuid }}')"
                                        class="w-full rounded-md border border-line bg-surface-2 px-3 py-2 text-left text-sm text-body transition-colors hover:border-accent-border hover:text-ink">
                                    {{ $template->name }}
                                </button>
                            </li>
                        @endforeach
                    </ul>
                @endif
            </div>
        </div>
    @endif
</div>