@extends('layouts.app')

@section('title', 'Shifts')
@section('subtitle', 'Manage work shifts and schedules')

@section('content')
<div class="max-w-7xl mx-auto py-4 sm:py-6 px-4 sm:px-6 lg:px-8">
    <!-- Success/Error Messages -->
    @if(session('success'))
        <div class="mb-6 bg-green-50 border border-green-200 rounded-xl p-4">
            <div class="flex items-center">
                <i class="fas fa-check-circle text-green-500 mr-3"></i>
                <p class="text-green-800 font-medium">{{ session('success') }}</p>
            </div>
        </div>
    @endif

    @if(session('error'))
        <div class="mb-6 bg-red-50 border border-red-200 rounded-xl p-4">
            <div class="flex items-center">
                <i class="fas fa-exclamation-circle text-red-500 mr-3"></i>
                <p class="text-red-800 font-medium">{{ session('error') }}</p>
            </div>
        </div>
    @endif

    <!-- Page Header -->
    <div class="mb-6 sm:mb-8">
        <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center space-y-4 sm:space-y-0">
            <div class="flex items-center space-x-4">
                <button class="bg-blue-500 text-white px-3 sm:px-4 py-2 rounded-lg hover:bg-blue-600 transition-all duration-200 transform hover:scale-105 text-sm sm:text-base shadow-md">
                    <i class="fas fa-download mr-2"></i>
                    <span class="hidden sm:inline">Export</span>
                </button>
                <button class="bg-green-500 text-white px-3 sm:px-4 py-2 rounded-lg hover:bg-green-600 transition-all duration-200 transform hover:scale-105 text-sm sm:text-base shadow-md">
                    <i class="fas fa-upload mr-2"></i>
                    <span class="hidden sm:inline">Import</span>
                </button>
            </div>
            <a href="{{ route('hr.shifts.create') }}" class="bg-yellow-500 text-white px-3 sm:px-4 py-2 rounded-lg hover:bg-yellow-600 transition-all duration-200 transform hover:scale-105 text-sm sm:text-base shadow-md">
                <i class="fas fa-plus mr-2"></i>
                <span class="hidden sm:inline">Add Shift</span>
                <span class="sm:hidden">Add</span>
            </a>
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="grid grid-cols-2 sm:grid-cols-4 gap-3 sm:gap-4 lg:gap-6 mb-6 sm:mb-8">
        <!-- Total Shifts -->
        <div class="bg-blue-500 rounded-xl shadow-lg hover:shadow-xl transition-all duration-300 transform hover:scale-105 p-3 sm:p-4 lg:p-6">
            <div class="flex items-center">
                <div class="p-2 sm:p-3 rounded-full bg-white bg-opacity-20 text-white">
                    <i class="fas fa-clock text-lg sm:text-xl"></i>
                </div>
                <div class="ml-2 sm:ml-4">
                    <p class="text-xs sm:text-sm font-medium text-blue-100">Total Shifts</p>
                    <p class="text-lg sm:text-xl lg:text-2xl font-bold text-white">{{ \App\Models\Shift::count() }}</p>
                </div>
            </div>
        </div>

        <!-- Active Shifts -->
        <div class="bg-green-500 rounded-xl shadow-lg hover:shadow-xl transition-all duration-300 transform hover:scale-105 p-3 sm:p-4 lg:p-6">
            <div class="flex items-center">
                <div class="p-2 sm:p-3 rounded-full bg-white bg-opacity-20 text-white">
                    <i class="fas fa-check-circle text-lg sm:text-xl"></i>
                </div>
                <div class="ml-2 sm:ml-4">
                    <p class="text-xs sm:text-sm font-medium text-green-100">Active</p>
                    <p class="text-lg sm:text-xl lg:text-2xl font-bold text-white">{{ \App\Models\Shift::where('is_active', true)->count() }}</p>
                </div>
            </div>
        </div>

        <!-- Total Employees -->
        <div class="bg-purple-500 rounded-xl shadow-lg hover:shadow-xl transition-all duration-300 transform hover:scale-105 p-3 sm:p-4 lg:p-6">
            <div class="flex items-center">
                <div class="p-2 sm:p-3 rounded-full bg-white bg-opacity-20 text-white">
                    <i class="fas fa-users text-lg sm:text-xl"></i>
                </div>
                <div class="ml-2 sm:ml-4">
                    <p class="text-xs sm:text-sm font-medium text-purple-100">Total Employees</p>
                    <p class="text-lg sm:text-xl lg:text-2xl font-bold text-white">{{ \App\Models\User::count() }}</p>
                </div>
            </div>
        </div>

        <!-- Current Shift -->
        <div class="bg-orange-500 rounded-xl shadow-lg hover:shadow-xl transition-all duration-300 transform hover:scale-105 p-3 sm:p-4 lg:p-6">
            <div class="flex items-center">
                <div class="p-2 sm:p-3 rounded-full bg-white bg-opacity-20 text-white">
                    <i class="fas fa-sun text-lg sm:text-xl"></i>
                </div>
                <div class="ml-2 sm:ml-4">
                    <p class="text-xs sm:text-sm font-medium text-orange-100">Current Shift</p>
                    <p class="text-lg sm:text-xl lg:text-2xl font-bold text-white">{{ \App\Models\Shift::where('is_active', true)->first()->name ?? 'N/A' }}</p>
                </div>
            </div>
        </div>
    </div>

    <!-- Shifts Table -->
    <div class="bg-white rounded-xl shadow-lg hover:shadow-xl transition-all duration-300 overflow-hidden border-l-4 border-green-500">
        <div class="px-4 sm:px-6 py-3 sm:py-4 border-b border-gray-200 bg-green-50">
            <div class="flex items-center justify-between">
                <h3 class="text-base sm:text-lg font-medium text-gray-900">
                    <i class="fas fa-clock text-green-600 mr-2"></i>
                    Shift List
                </h3>
                <div class="flex items-center space-x-2">
                    <span class="text-sm text-gray-500">{{ \App\Models\Shift::count() }} shifts</span>
                    <button class="text-green-600 hover:text-green-800 transition-colors">
                        <i class="fas fa-sync-alt"></i>
                    </button>
                </div>
            </div>
        </div>
        
        <div class="overflow-x-auto">
            <table class="min-w-full divide-y divide-gray-200">
                <thead class="bg-gradient-to-r from-gray-50 to-gray-100">
                    <tr>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider">
                            <i class="fas fa-clock mr-1"></i>Shift
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider hidden sm:table-cell">
                            <i class="fas fa-play mr-1"></i>Start Time
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider hidden sm:table-cell">
                            <i class="fas fa-stop mr-1"></i>End Time
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider hidden lg:table-cell">
                            <i class="fas fa-pause mr-1"></i>Break Duration
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider">
                            <i class="fas fa-users mr-1"></i>Employees
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider">
                            <i class="fas fa-circle mr-1"></i>Status
                        </th>
                        <th class="px-3 sm:px-6 py-3 text-left text-xs font-medium text-gray-600 uppercase tracking-wider">
                            <i class="fas fa-cog mr-1"></i>Actions
                        </th>
                    </tr>
                </thead>
                <tbody class="bg-white divide-y divide-gray-200">
                    @forelse($shifts as $shift)
                        <tr class="hover:bg-blue-50 transition-colors duration-200">
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap">
                                <div class="flex items-center">
                                    <div class="w-8 h-8 sm:w-10 sm:h-10 bg-green-500 rounded-full flex items-center justify-center shadow-md">
                                        <i class="fas fa-clock text-white text-xs sm:text-sm"></i>
                                    </div>
                                    <div class="ml-3 sm:ml-4">
                                        <div class="text-sm font-medium text-gray-900">{{ $shift->name }}</div>
                                        <div class="text-xs sm:text-sm text-gray-500">{{ $shift->description ? Str::limit($shift->description, 50) : 'No description' }}</div>
                                    </div>
                                </div>
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap text-xs sm:text-sm text-gray-900 hidden sm:table-cell">
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
                                    <i class="fas fa-play mr-1"></i>
                                    {{ date('g:i A', strtotime($shift->start_time)) }}
                                </span>
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap text-xs sm:text-sm text-gray-900 hidden sm:table-cell">
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-red-100 text-red-800">
                                    <i class="fas fa-stop mr-1"></i>
                                    {{ date('g:i A', strtotime($shift->end_time)) }}
                                </span>
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap text-xs sm:text-sm text-gray-900 hidden lg:table-cell">
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800">
                                    <i class="fas fa-pause mr-1"></i>
                                    {{ $shift->break_duration_minutes }} min
                                </span>
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap">
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-purple-100 text-purple-800">
                                    <i class="fas fa-users mr-1"></i>
                                    {{ $shift->users_count }}
                                </span>
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap">
                                @if($shift->is_active)
                                    <span class="inline-flex px-2 py-1 text-xs font-semibold rounded-full bg-green-100 text-green-800">
                                        <i class="fas fa-check-circle mr-1"></i>
                                        Active
                                    </span>
                                @else
                                    <span class="inline-flex px-2 py-1 text-xs font-semibold rounded-full bg-gray-100 text-gray-800">
                                        <i class="fas fa-pause-circle mr-1"></i>
                                        Inactive
                                    </span>
                                @endif
                            </td>
                            <td class="px-3 sm:px-6 py-4 whitespace-nowrap text-sm font-medium">
                                <div class="flex space-x-1 sm:space-x-2">
                                    <a href="{{ route('hr.shifts.show', $shift) }}" class="text-blue-600 hover:text-blue-800 hover:bg-blue-100 p-1 rounded transition-colors">
                                        <i class="fas fa-eye text-xs sm:text-sm"></i>
                                    </a>
                                    <a href="{{ route('hr.shifts.edit', $shift) }}" class="text-yellow-600 hover:text-yellow-800 hover:bg-yellow-100 p-1 rounded transition-colors">
                                        <i class="fas fa-edit text-xs sm:text-sm"></i>
                                    </a>
                                    <form method="POST" action="{{ route('hr.shifts.destroy', $shift) }}" class="inline" onsubmit="return confirm('Are you sure you want to delete this shift?')">
                                        @csrf
                                        @method('DELETE')
                                        <button type="submit" class="text-red-600 hover:text-red-800 hover:bg-red-100 p-1 rounded transition-colors">
                                            <i class="fas fa-trash text-xs sm:text-sm"></i>
                                        </button>
                                    </form>
                                </div>
                            </td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="7" class="px-6 py-12 text-center">
                                <div class="text-gray-500">
                                    <i class="fas fa-clock text-4xl mb-4"></i>
                                    <p class="text-lg font-medium">No shifts found</p>
                                    <p class="text-sm">Start by creating your first shift</p>
                                </div>
                            </td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
        
        <!-- Pagination -->
        @if($shifts->hasPages())
            <div class="px-4 sm:px-6 py-4 border-t border-gray-200 bg-gray-50">
                <div class="flex flex-col sm:flex-row items-center justify-between space-y-3 sm:space-y-0">
                    <div class="text-sm text-gray-700">
                        Showing <span class="font-medium text-blue-600">{{ $shifts->firstItem() }}</span> to <span class="font-medium text-blue-600">{{ $shifts->lastItem() }}</span> of <span class="font-medium text-blue-600">{{ $shifts->total() }}</span> results
                    </div>
                    <div class="flex items-center space-x-2">
                        @if($shifts->onFirstPage())
                            <span class="px-3 py-2 text-sm text-gray-400 bg-gray-100 border border-gray-300 rounded-lg cursor-not-allowed">
                                <i class="fas fa-chevron-left mr-1"></i>
                                Previous
                            </span>
                        @else
                            <a href="{{ $shifts->previousPageUrl() }}" class="px-3 py-2 text-sm text-gray-500 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 hover:border-gray-400 transition-colors">
                                <i class="fas fa-chevron-left mr-1"></i>
                                Previous
                            </a>
                        @endif

                        @foreach($shifts->getUrlRange(1, $shifts->lastPage()) as $page => $url)
                            @if($page == $shifts->currentPage())
                                <span class="px-3 py-2 text-sm text-white bg-blue-500 rounded-lg shadow-md">{{ $page }}</span>
                            @else
                                <a href="{{ $url }}" class="px-3 py-2 text-sm text-gray-500 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 hover:border-gray-400 transition-colors">{{ $page }}</a>
                            @endif
                        @endforeach

                        @if($shifts->hasMorePages())
                            <a href="{{ $shifts->nextPageUrl() }}" class="px-3 py-2 text-sm text-gray-500 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 hover:border-gray-400 transition-colors">
                                Next
                                <i class="fas fa-chevron-right ml-1"></i>
                            </a>
                        @else
                            <span class="px-3 py-2 text-sm text-gray-400 bg-gray-100 border border-gray-300 rounded-lg cursor-not-allowed">
                                Next
                                <i class="fas fa-chevron-right ml-1"></i>
                            </span>
                        @endif
                    </div>
                </div>
            </div>
        @endif
    </div>
</div>
@endsection