@extends('layouts.app')
@section('title', 'Preview — '.$template->name)

@section('content')
    @php $lb = '{{'; $rb = '}}'; @endphp

    <div class="page-head">
        <div>
            <h1>Preview — {{ $template->name }}</h1>
            <p>Rendered against live data. Unresolved placeholders stay visible so typos are obvious.</p>
        </div>
        <div class="page-actions">
            <a href="{{ route('settings.templates.edit', $template) }}" class="btn secondary">Edit</a>
            <a href="{{ route('settings.templates.index') }}" class="btn secondary">All templates</a>
        </div>
    </div>

    <div class="card mb-2">
        <div class="card-head"><h3>Render against a specific customer</h3></div>
        <form method="POST" action="{{ route('settings.templates.preview', $template) }}" class="card-body">
            @csrf
            <div class="field">
                <label>Customer</label>
                <select name="customer_id">
                    <option value="">First customer on record</option>
                    @foreach (\App\Models\Customer::when(! auth()->user()->is_super_admin,
                              fn ($q) => $q->where('organization_id', auth()->user()->organization_id))
                              ->orderBy('first_name')->limit(2000)->get() as $c)
                        <option value="{{ $c->id }}">{{ $c->display_name }} — {{ $c->customer_number }}</option>
                    @endforeach
                </select>
                <span class="hint">The preview uses their latest service and latest invoice.</span>
            </div>
            <button class="btn" type="submit">Render</button>
        </form>
    </div>

    <div class="grid grid-2">
        <div class="card">
            <div class="card-head"><h3>Rendered output</h3></div>
            <div class="card-body">
                @if ($rendered['subject'])
                    <div class="field">
                        <label>Subject</label>
                        <div style="padding:8px 10px;border:1px solid var(--line,#e2e8f0);border-radius:6px;">
                            {{ $rendered['subject'] }}</div>
                    </div>
                @endif
                <div style="white-space:pre-wrap;font-size:13px;line-height:1.6;">{{ $rendered['body'] }}</div>
            </div>
        </div>

        <div class="card">
            <div class="card-head"><h3>Values used</h3></div>
            <div class="card-body" style="padding:0;">
                <table class="data">
                    <thead><tr><th>Placeholder</th><th>Value</th><th>Resolved</th></tr></thead>
                    <tbody>
                    @foreach ($context as $key => $value)
                        @php $used = str_contains((string) $template->body, '{{'.$key.'}}')
                                  || str_contains((string) $template->subject, '{{'.$key.'}}'); @endphp
                        <tr>
                            <td class="mono small">{{ $lb.$key.$rb }}</td>
                            <td class="small">{{ $value }}</td>
                            <td>
                                @if ($used)
                                    <span class="badge success">used</span>
                                @else
                                    <span class="badge muted">not in template</span>
                                @endif
                            </td>
                        </tr>
                    @endforeach
                    </tbody>
                </table>
            </div>
            <div class="card-foot">
                <span class="tiny muted">Any placeholder left as
                    <span class="mono">{{ $lb }}&hellip;{{ $rb }}</span>
                    in the output is not in this list and will not resolve.</span>
            </div>
        </div>
    </div>
@endsection