@extends('admin.layouts.app')

@section('title', 'Shifts - HR Management')

@section('content')
<div class="card shadow-sm">
    <div class="card-header bg-primary text-white">
        <div class="d-flex justify-content-between align-items-center">
            <h5 class="mb-0"><i class="fas fa-clock me-2"></i>Shift Management</h5>
            <button type="button" class="btn btn-success btn-sm" data-bs-toggle="modal" data-bs-target="#addShiftModal">
                <i class="fas fa-plus"></i> Add Shift
            </button>
        </div>
    </div>
    <div class="card-body">
        @if(session('success'))
            <div class="alert alert-success alert-dismissible fade show">
                {{ session('success') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
            </div>
        @endif

        <div class="table-responsive">
            <table class="table table-hover">
                <thead class="table-dark">
                    <tr>
                        <th>Shift Name</th>
                        <th>Start Time</th>
                        <th>End Time</th>
                        <th>Duration</th>
                        <th>Staff Assigned</th>
                        <th>Status</th>
                        <th>Actions</th>
                    </tr>
                </thead>
                <tbody>
                    @forelse($shifts as $shift)
                    <tr>
                        <td><strong>{{ $shift->name }}</strong></td>
                        <td>{{ \Carbon\Carbon::parse($shift->start_time)->format('H:i') }}</td>
                        <td>{{ \Carbon\Carbon::parse($shift->end_time)->format('H:i') }}</td>
                        <td>
                            @php
                                $start = \Carbon\Carbon::parse($shift->start_time);
                                $end = \Carbon\Carbon::parse($shift->end_time);
                                $hours = $start->diffInHours($end);
                                if ($hours < 0) { $hours += 24; }
                            @endphp
                            {{ $hours }} hours
                        </td>
                        <td>
                            @php
                                $assignedCount = $shift->staffAssignments()->count();
                            @endphp
                            {{ $assignedCount }} staff
                        </td>
                        <td>
                            @if($shift->is_active)
                                <span class="badge bg-success">Active</span>
                            @else
                                <span class="badge bg-secondary">Inactive</span>
                            @endif
                        </td>
                        <td>
                            <button type="button" class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#editShiftModal{{ $shift->id }}">
                                <i class="fas fa-edit"></i>
                            </button>
                        </td>
                    </tr>

                    <div class="modal fade" id="editShiftModal{{ $shift->id }}" tabindex="-1">
                        <div class="modal-dialog">
                            <div class="modal-content">
                                <div class="modal-header">
                                    <h5 class="modal-title">Edit Shift</h5>
                                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                                </div>
                                <form action="{{ route('hr.shifts.update', $shift->id) }}" method="POST">
                                    @csrf
                                    @method('PUT')
                                    <div class="modal-body">
                                        <div class="mb-3">
                                            <label class="form-label">Shift Name *</label>
                                            <input type="text" name="name" class="form-control" value="{{ $shift->name }}" required>
                                        </div>
                                        <div class="row">
                                            <div class="col-md-6">
                                                <div class="mb-3">
                                                    <label class="form-label">Start Time *</label>
                                                    <input type="time" name="start_time" class="form-control" value="{{ $shift->start_time }}" required>
                                                </div>
                                            </div>
                                            <div class="col-md-6">
                                                <div class="mb-3">
                                                    <label class="form-label">End Time *</label>
                                                    <input type="time" name="end_time" class="form-control" value="{{ $shift->end_time }}" required>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="mb-3">
                                            <label class="form-label">Description</label>
                                            <textarea name="description" class="form-control" rows="2">{{ $shift->description }}</textarea>
                                        </div>
                                        <div class="mb-3">
                                            <div class="form-check">
                                                <input type="checkbox" name="is_active" class="form-check-input" id="active{{ $shift->id }}" value="1" {{ $shift->is_active ? 'checked' : '' }}>
                                                <label class="form-check-label" for="active{{ $shift->id }}">Active</label>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="modal-footer">
                                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                                        <button type="submit" class="btn btn-primary">Update</button>
                                    </div>
                                </form>
                            </div>
                        </div>
                    </div>
                    @empty
                    <tr>
                        <td colspan="7" class="text-center text-muted">No shifts found. Create your first shift.</td>
                    </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    </div>
</div>

<div class="modal fade" id="addShiftModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Add New Shift</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form action="{{ route('hr.shifts.store') }}" method="POST">
                @csrf
                <div class="modal-body">
                    <div class="mb-3">
                        <label class="form-label">Shift Name *</label>
                        <input type="text" name="name" class="form-control" placeholder="e.g., Morning Shift, Night Shift" required>
                    </div>
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">Start Time *</label>
                                <input type="time" name="start_time" class="form-control" required>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label">End Time *</label>
                                <input type="time" name="end_time" class="form-control" required>
                            </div>
                        </div>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Description</label>
                        <textarea name="description" class="form-control" rows="2" placeholder="Optional description"></textarea>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Create Shift</button>
                </div>
            </form>
        </div>
    </div>
</div>
@endsection