@extends('layouts.app')

@section('title', 'Leave Management')

@section('content')
<div class="p-6">
    <div class="bg-white rounded-lg shadow-sm border border-gray-200">
        <div class="px-6 py-4 border-b border-gray-200 flex justify-between items-center">
            <h5 class="text-lg font-semibold text-gray-900">Leave Requests</h5>
            <div class="flex gap-2">
                <a href="{{ route('leave.calendar') }}" class="inline-flex items-center px-3 py-2 border border-gray-300 text-sm leading-4 font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                    <i class="fas fa-calendar mr-2"></i> Calendar View
                </a>
                <a href="{{ route('leave.balance') }}" class="inline-flex items-center px-3 py-2 border border-gray-300 text-sm leading-4 font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                    <i class="fas fa-chart-pie mr-2"></i> Leave Balance
                </a>
                <a href="{{ route('leave.export') }}?{{ http_build_query(request()->query()) }}" class="inline-flex items-center px-3 py-2 border border-transparent text-sm leading-4 font-medium rounded-md text-white bg-primary-600 hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                    <i class="fas fa-download mr-2"></i> Export
                </a>
            </div>
        </div>
        <div class="p-6">
            <!-- Filters -->
            <form method="GET" action="{{ route('leave.index') }}" class="mb-6">
                <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                    <div>
                        <label for="status" class="block text-sm font-medium text-gray-700 mb-2">Status</label>
                        <select name="status" id="status" class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-primary-500 focus:border-primary-500 sm:text-sm">
                            <option value="all" {{ $status == 'all' ? 'selected' : '' }}>All Status</option>
                            <option value="pending" {{ $status == 'pending' ? 'selected' : '' }}>Pending</option>
                            <option value="approved" {{ $status == 'approved' ? 'selected' : '' }}>Approved</option>
                            <option value="rejected" {{ $status == 'rejected' ? 'selected' : '' }}>Rejected</option>
                        </select>
                    </div>
                    <div>
                        <label for="user_id" class="block text-sm font-medium text-gray-700 mb-2">Employee</label>
                        <select name="user_id" id="user_id" class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-primary-500 focus:border-primary-500 sm:text-sm">
                            <option value="">All Employees</option>
                            @foreach($users as $user)
                                <option value="{{ $user->id }}" {{ $userId == $user->id ? 'selected' : '' }}>
                                    {{ $user->full_name }}
                                </option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label for="leave_type_id" class="block text-sm font-medium text-gray-700 mb-2">Leave Type</label>
                        <select name="leave_type_id" id="leave_type_id" class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-primary-500 focus:border-primary-500 sm:text-sm">
                            <option value="">All Types</option>
                            @foreach($leaveTypes as $id => $name)
                                <option value="{{ $id }}" {{ $leaveTypeId == $id ? 'selected' : '' }}>
                                    {{ $name }}
                                </option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label for="date_range" class="block text-sm font-medium text-gray-700 mb-2">Date Range</label>
                        <input type="text" name="date_range" id="date_range" class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-primary-500 focus:border-primary-500 sm:text-sm" 
                               value="{{ $dateRange }}" placeholder="Select date range">
                    </div>
                    <div class="md:col-span-4 flex gap-2">
                        <button type="submit" class="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-primary-600 hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                            <i class="fas fa-filter mr-2"></i> Filter
                        </button>
                        <a href="{{ route('leave.index') }}" class="inline-flex items-center px-4 py-2 border border-gray-300 text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                            <i class="fas fa-times mr-2"></i> Clear
                        </a>
                    </div>
                </div>
            </form>

            <!-- Leave Requests Table -->
            <div class="overflow-hidden shadow ring-1 ring-black ring-opacity-5 md:rounded-lg">
                <table class="min-w-full divide-y divide-gray-300">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">ID</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Employee</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Leave Type</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">From Date</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">To Date</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Days</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Applied On</th>
                            <th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-gray-200">
                        @forelse($leaveRequests as $leave)
                            <tr>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{{ $leave->id }}</td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <div class="flex items-center">
                                        <img class="h-8 w-8 rounded-full" src="{{ $leave->user->avatar }}" alt="">
                                        <div class="ml-3">
                                            <div class="text-sm font-medium text-gray-900">{{ $leave->user->full_name }}</div>
                                            <div class="text-sm text-gray-500">{{ $leave->user->departments->first()?->name ?? '' }}</div>
                                        </div>
                                    </div>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">{{ $leave->leaveType->name }}</span>
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{{ $leave->from_date->format('M d, Y') }}</td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{{ $leave->to_date->format('M d, Y') }}</td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
                                    {{ $leave->days_count }}
                                    @if($leave->is_half_day)
                                        <span class="text-gray-500 text-xs">(Half Day)</span>
                                    @endif
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap">
                                    @switch($leave->status->name)
                                        @case('pending')
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-yellow-100 text-yellow-800">Pending</span>
                                            @break
                                        @case('approved')
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-800">Approved</span>
                                            @break
                                        @case('rejected')
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-red-100 text-red-800">Rejected</span>
                                            @break
                                        @default
                                            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-800">{{ $leave->status->name }}</span>
                                    @endswitch
                                </td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{{ $leave->created_at->format('M d, Y') }}</td>
                                <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
                                    <div class="flex space-x-2">
                                        <a href="{{ route('leave.show', $leave) }}" class="text-primary-600 hover:text-primary-900">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                        @if($leave->status->name === 'pending')
                                            <button type="button" class="inline-flex items-center px-3 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-green-600 hover:bg-green-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-green-500" 
                                                    onclick="approveLeave({{ $leave->id }})">
                                                <i class="fas fa-check mr-2"></i> Approve
                                            </button>
                                            <button type="button" class="inline-flex items-center px-3 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-red-600 hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500" 
                                                    onclick="rejectLeave({{ $leave->id }})">
                                                <i class="fas fa-times mr-2"></i> Reject
                                            </button>
                                        @endif
                                        @if(in_array($leave->status->name, ['pending', 'rejected']))
                                            <button type="button" class="text-red-600 hover:text-red-900" 
                                                    onclick="deleteLeave({{ $leave->id }})">
                                                <i class="fas fa-trash"></i>
                                            </button>
                                        @endif
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="9" class="px-6 py-12 text-center">
                                    <div class="text-gray-500">
                                        <i class="fas fa-inbox text-4xl mb-4"></i>
                                        <p class="text-lg">No leave requests found.</p>
                                    </div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

            <!-- Pagination -->
            <div class="mt-6 flex items-center justify-between">
                <div class="text-sm text-gray-700">
                    Showing {{ $leaveRequests->firstItem() }} to {{ $leaveRequests->lastItem() }} 
                    of {{ $leaveRequests->total() }} entries
                </div>
                {{ $leaveRequests->links() }}
            </div>
        </div>
    </div>
</div>

<!-- Modals -->
@include('leave.partials.tailwind-modals')
@endsection

@section('scripts')
<script src="https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/moment@2.29.1/moment.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/daterangepicker@3.1.0/daterangepicker.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/daterangepicker@3.1.0/daterangepicker.css" />

<script>
let currentLeaveId = null;

// Date Range Picker
$('#date_range').daterangepicker({
    autoUpdateInput: false,
    locale: {
        cancelLabel: 'Clear'
    }
});

$('#date_range').on('apply.daterangepicker', function(ev, picker) {
    $(this).val(picker.startDate.format('MM/DD/YYYY') + ' - ' + picker.endDate.format('MM/DD/YYYY'));
});

$('#date_range').on('cancel.daterangepicker', function(ev, picker) {
    $(this).val('');
});

// Approve Leave
function approveLeave(leaveId) {
    currentLeaveId = leaveId;
    showModal('approveModal');
}

$('#approveForm').on('submit', function(e) {
    e.preventDefault();
    
    $.ajax({
        url: `/leave/${currentLeaveId}/approve`,
        method: 'POST',
        data: $(this).serialize(),
        headers: {
            'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
        },
        success: function(response) {
            if (response.success) {
                closeModal('approveModal');
                location.reload();
            } else {
                alert(response.message);
            }
        },
        error: function(xhr) {
            alert(xhr.responseJSON?.message || 'An error occurred');
        }
    });
});

// Reject Leave
function rejectLeave(leaveId) {
    currentLeaveId = leaveId;
    showModal('rejectModal');
}

$('#rejectForm').on('submit', function(e) {
    e.preventDefault();
    
    $.ajax({
        url: `/leave/${currentLeaveId}/reject`,
        method: 'POST',
        data: $(this).serialize(),
        headers: {
            'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
        },
        success: function(response) {
            if (response.success) {
                closeModal('rejectModal');
                location.reload();
            } else {
                alert(response.message);
            }
        },
        error: function(xhr) {
            alert(xhr.responseJSON?.message || 'An error occurred');
        }
    });
});

// Delete Leave
function deleteLeave(leaveId) {
    if (confirm('Are you sure you want to delete this leave request?')) {
        $.ajax({
            url: `/leave/${leaveId}`,
            method: 'DELETE',
            headers: {
                'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
            },
            success: function(response) {
                if (response.success) {
                    location.reload();
                } else {
                    alert(response.message);
                }
            },
            error: function(xhr) {
                alert(xhr.responseJSON?.message || 'An error occurred');
            }
        });
    }
}
</script>
@endsection