@extends('layouts.app')

@section('title', 'Unread Meters')

@section('content')
<div class="container-fluid">
    <div class="row mb-4">
        <div class="col-md-8">
            <h2><i class="bi bi-clipboard-x"></i> Clients Without a Reading</h2>
            <p class="text-muted mb-0">Meters not yet recorded for {{ $periodLabel }}</p>
        </div>
        @if($canRecord)
        <div class="col-md-4 text-end">
            <a href="{{ route('meter-readings.record') }}" class="btn btn-primary">
                <i class="bi bi-plus"></i> Record Reading
            </a>
        </div>
        @endif
    </div>

    <div class="row mb-3">
        <div class="col-xl-3 col-md-6 mb-3">
            <div class="card flex-row align-items-center align-items-stretch border-0">
                <div class="col-4 d-flex align-items-center bg-danger-dark justify-content-center rounded-left">
                    <em class="fas fa-clipboard-list fa-2x"></em>
                </div>
                <div class="col-8 py-3 bg-danger rounded-right">
                    <div class="h2 mt-0">{{ $unreadCount }}</div>
                    <div class="text-uppercase">Not Read Yet</div>
                </div>
            </div>
        </div>
        <div class="col-xl-3 col-md-6 mb-3">
            <div class="card flex-row align-items-center align-items-stretch border-0">
                <div class="col-4 d-flex align-items-center bg-success-dark justify-content-center rounded-left">
                    <em class="fas fa-check-circle fa-2x"></em>
                </div>
                <div class="col-8 py-3 bg-success rounded-right">
                    <div class="h2 mt-0">{{ $readCount }}</div>
                    <div class="text-uppercase">Already Read</div>
                </div>
            </div>
        </div>
        <div class="col-xl-6 mb-3">
            <div class="card h-100">
                <div class="card-body">
                    <div class="d-flex justify-content-between mb-1">
                        <strong>Reading progress for {{ $periodLabel }}</strong>
                        <span>{{ $totalClients > 0 ? number_format(($readCount / $totalClients) * 100, 1) : '0.0' }}%</span>
                    </div>
                    <div class="progress" style="height: 20px;">
                        <div class="progress-bar bg-success" role="progressbar"
                             style="width: {{ $totalClients > 0 ? ($readCount / $totalClients) * 100 : 0 }}%"
                             aria-valuenow="{{ $readCount }}" aria-valuemin="0" aria-valuemax="{{ $totalClients }}">
                            {{ $readCount }} / {{ $totalClients }}
                        </div>
                    </div>
                    <small class="text-muted">{{ $readCount }} of {{ $totalClients }} active clients recorded.</small>
                </div>
            </div>
        </div>
    </div>

    <div class="card mb-3">
        <div class="card-body">
            <form method="GET" class="row g-3">
                <div class="col-md-6">
                    <input type="text" name="search" class="form-control"
                           placeholder="Search by client name, account number or meter number"
                           value="{{ request('search') }}">
                </div>
                <div class="col-md-4">
                    <select name="month" class="form-select">
                        @foreach($monthOptions as $value => $label)
                            <option value="{{ $value }}" {{ $selectedMonth === $value ? 'selected' : '' }}>
                                {{ $label }}
                            </option>
                        @endforeach
                    </select>
                </div>
                <div class="col-md-2">
                    <button type="submit" class="btn btn-outline-primary w-100">Filter</button>
                </div>
            </form>
        </div>
    </div>

    <div class="card">
        <div class="table-responsive">
            <table class="table table-hover mb-0">
                <thead class="table-light">
                    <tr>
                        <th>Account #</th>
                        <th>Client</th>
                        <th>Meter #</th>
                        <th>Address</th>
                        <th>Last Reading</th>
                        <th>Unread For</th>
                        <th>Assigned Reader</th>
                        @if($canRecord)
                            <th>Action</th>
                        @endif
                    </tr>
                </thead>
                <tbody>
                    @forelse ($clients as $client)
                        @php
                            $lastReading = $client->latestReading;
                            // Days since the last standing reading; a client that has
                            // never been read is counted from the day they registered.
                            $since = $lastReading?->reading_date ?? $client->registered_at ?? $client->created_at;
                        @endphp
                        <tr>
                            <td><strong>{{ $client->account_number }}</strong></td>
                            <td>
                                {{ $client->name }}
                                @if($client->is_disconnected)
                                    <span class="badge bg-dark ms-1">Disconnected</span>
                                @endif
                            </td>
                            <td>{{ $client->meter_number ?: '—' }}</td>
                            <td><small>{{ $client->full_address ?: '—' }}</small></td>
                            <td>
                                @if($lastReading)
                                    {{ $lastReading->reading_date->format('M d, Y') }}<br>
                                    <small class="text-muted">{{ number_format($lastReading->reading_value, 2) }} cu.m</small>
                                @else
                                    <span class="badge bg-warning text-dark">Never read</span>
                                @endif
                            </td>
                            <td>
                                @if($since)
                                    <span class="badge bg-{{ \Carbon\Carbon::parse($since)->diffInDays(now()) > 45 ? 'danger' : 'secondary' }}">
                                        {{ \Carbon\Carbon::parse($since)->diffForHumans(null, true) }}
                                    </span>
                                @else
                                    —
                                @endif
                            </td>
                            <td>{{ $client->assignedReader->name ?? 'Unassigned' }}</td>
                            @if($canRecord)
                                <td>
                                    <a href="{{ route('meter-readings.record', ['client_id' => $client->id]) }}"
                                       class="btn btn-sm btn-primary" title="Record a reading for this client">
                                        <i class="bi bi-pencil-square"></i> Record
                                    </a>
                                </td>
                            @endif
                        </tr>
                    @empty
                        <tr>
                            <td colspan="{{ $canRecord ? 8 : 7 }}" class="text-center text-muted py-4">
                                <i class="fas fa-check-circle text-success me-1"></i>
                                Every client has a reading for {{ $periodLabel }}.
                            </td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    </div>

    <div class="mt-4">
        {{ $clients->links('pagination::bootstrap-5') }}
    </div>
</div>
@endsection