@extends('layouts.main')

@section('title', 'HRA / Accommodation Expense Management')

@section('content')
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css">

<style>
    .error-text { color: red; font-size: 13px; }
    .btn-loading { position: relative; pointer-events: none; opacity: 0.8; }
    .required-field::after { content: " *"; color: red; }
    .table th { background-color: #f8f9fa; font-weight: 600; }
    .action-btns { display: flex; gap: 5px; }
    .btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; }
    .badge-amount { background: #dc3545; color: white; padding: 0.3rem 0.8rem; border-radius: 20px; font-weight: 500; }
    .month-badge { background: #6c757d; color: white; padding: 0.3rem 0.8rem; border-radius: 20px; font-weight: 500; }
    .description-cell { max-width: 250px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
</style>

<div class="main-content app-content">
    <div class="container-fluid">
        <!-- Page Header -->
        <div class="d-md-flex d-block align-items-center justify-content-between page-header-breadcrumb mb-4">
            <div>
                <h1 class="page-title mb-0 text-primary">HRA / Accommodation Expenses</h1>
            </div>
            <div class="ms-auto">
                <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createModal">
                    Add New Entry
                </button>
            </div>
        </div>

        <!-- HRA Expenses Table -->
        <div class="card">
            <div class="card-body">
                <div class="table-responsive">
                    <table class="table table-bordered table-hover">
                        <thead>
                            <tr>
                                <th>S.No</th>
                                @if(Auth::user()->hasRole('superadmin'))
                                <th>Partner</th>
                                @endif
                                <th>Branch</th>
                                <th>Expense Month</th>
                                <th>HRA Amount</th>
                                <th>Description</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($hraExpenses as $key => $expense)
                                <tr id="row-{{ $expense->id }}">
                                    <td>{{ $hraExpenses->firstItem() + $key }}</td>
                                    @if(Auth::user()->hasRole('superadmin'))
                                    <td>{{ $expense->partner->full_name ?? $expense->partner->company_name ?? 'N/A' }}</td>
                                    @endif
                                    <td><strong>{{ $expense->branch->branch_name ?? 'N/A' }}</strong></td>
                                    <td><span class="month-badge">{{ \Carbon\Carbon::createFromFormat('Y-m', $expense->expense_month)->format('F Y') }}</span></td>
                                    <td><span class="badge-amount"> {{ number_format($expense->hra_amount, 2) }}</span></td>
                                    <td class="description-cell" title="{{ $expense->description }}">{{ $expense->description ?? 'N/A' }}</td>
                                    <td>
                                        <div class="action-btns">
                                            <button type="button" class="btn btn-sm btn-warning" onclick="editHraExpense({{ $expense->id }})">
                                                Edit
                                            </button>
                                            <button type="button" class="btn btn-sm btn-danger" onclick="deleteHraExpense({{ $expense->id }})">
                                                Delete
                                            </button>
                                        </div>
                                    </td>
                                </tr>
                            @empty
                                <tr>
                                    <td colspan="{{ Auth::user()->hasRole('superadmin') ? '7' : '6' }}" class="text-center py-4">
                                        <p class="text-muted mb-0">No HRA expense entries found.</p>
                                        <button type="button" class="btn btn-primary mt-3" data-bs-toggle="modal" data-bs-target="#createModal">
                                            Add New Entry
                                        </button>
                                    </td>
                                </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
                <div class="mt-3">
                    @if($hraExpenses instanceof \Illuminate\Pagination\LengthAwarePaginator)
                        {{ $hraExpenses->withQueryString()->links() }}
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Create Modal -->
<div class="modal fade" id="createModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Add HRA / Accommodation Expense</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form action="{{ route('hra-expenses.store') }}" method="POST">
                @csrf
                <div class="modal-body">
                    @if($branches->isEmpty())
                        <div class="alert alert-warning">No branches assigned to you.</div>
                    @endif
                    
                    <div class="mb-3">
                        <label class="form-label">Branch <span class="text-danger">*</span></label>
                        <select name="branch_id" id="create_branch_id" class="form-select" required {{ $branches->isEmpty() ? 'disabled' : '' }}>
                            <option value="">Select Branch</option>
                            @foreach($branches as $branch)
                                <option value="{{ $branch->id }}">{{ $branch->branch_name }} ({{ $branch->branch_code }})</option>
                            @endforeach
                        </select>
                        <div class="invalid-feedback" id="create_branch_error"></div>
                    </div>

                    @if(Auth::user()->hasRole('superadmin'))
                    <div class="mb-3">
                        <label class="form-label">Partner <span class="text-danger">*</span></label>
                        <select name="partner_id" id="create_partner_id" class="form-select" required disabled>
                            <option value="">First select a branch</option>
                        </select>
                        <small class="text-muted">Partners associated with the selected branch will appear here</small>
                        <div class="invalid-feedback" id="create_partner_error"></div>
                    </div>
                    @endif

                    <div class="mb-3">
                        <label class="form-label">Expense Month <span class="text-danger">*</span></label>
                        <input type="month" name="expense_month" id="create_expense_month" class="form-control" 
                               value="{{ date('Y-m') }}" required>
                        <div class="invalid-feedback" id="create_month_error"></div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">HRA Amount <span class="text-danger">*</span></label>
                        <input type="number" step="0.01" min="0" name="hra_amount" id="create_amount" 
                               class="form-control" placeholder="Enter HRA amount" required>
                        <div class="invalid-feedback" id="create_amount_error"></div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Description</label>
                        <textarea name="description" id="create_description" class="form-control" rows="3" 
                                  placeholder="Enter description or notes"></textarea>
                        <div class="invalid-feedback" id="create_description_error"></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" id="createSubmit" {{ $branches->isEmpty() ? 'disabled' : '' }}>
                        Save
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Edit Modal -->
<div class="modal fade" id="editModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Edit HRA / Accommodation Expense</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form id="editForm">
                @csrf
                @method('patch')
                <div class="modal-body">
                    <input type="hidden" id="edit_id" name="id">
                    
                    @if(Auth::user()->hasRole('superadmin'))
                    <input type="hidden" id="edit_current_partner_id" value="">
                    @endif
                    
                    <div class="mb-3">
                        <label class="form-label">Branch <span class="text-danger">*</span></label>
                        <select name="branch_id" id="edit_branch_id" class="form-select" required>
                            <option value="">Select Branch</option>
                            @foreach($branches as $branch)
                                <option value="{{ $branch->id }}">{{ $branch->branch_name }}</option>
                            @endforeach
                        </select>
                        <div class="invalid-feedback" id="edit_branch_error"></div>
                    </div>

                    @if(Auth::user()->hasRole('superadmin'))
                    <div class="mb-3">
                        <label class="form-label">Partner <span class="text-danger">*</span></label>
                        <select name="partner_id" id="edit_partner_id" class="form-select" required>
                            <option value="">Select Partner</option>
                        </select>
                        <div class="invalid-feedback" id="edit_partner_error"></div>
                    </div>
                    @endif

                    <div class="mb-3">
                        <label class="form-label">Expense Month <span class="text-danger">*</span></label>
                        <input type="month" name="expense_month" id="edit_expense_month" class="form-control" required>
                        <div class="invalid-feedback" id="edit_month_error"></div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">HRA Amount <span class="text-danger">*</span></label>
                        <input type="number" step="0.01" min="0" name="hra_amount" id="edit_amount" class="form-control" required>
                        <div class="invalid-feedback" id="edit_amount_error"></div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Description</label>
                        <textarea name="description" id="edit_description" class="form-control" rows="3"></textarea>
                        <div class="invalid-feedback" id="edit_description_error"></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" id="editSubmit">
                        Update
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>

<script>
    toastr.options = {
        closeButton: true,
        progressBar: true,
        positionClass: "toast-top-right",
        timeOut: "4000"
    }

    @if(session('success'))
        Swal.fire({ icon: 'success', title: 'Success!', text: "{{ session('success') }}", timer: 3000 });
    @endif

    @if(session('error'))
        Swal.fire({ icon: 'error', title: 'Error!', text: "{{ session('error') }}" });
    @endif

    // Load partners based on branch selection (for Create Modal)
    $('#create_branch_id').on('change', function() {
        var branchId = $(this).val();
        var partnerSelect = $('#create_partner_id');
        
        if (branchId) {
            partnerSelect.prop('disabled', false).html('<option value="">Loading partners...</option>');
            
            $.ajax({
                url: '{{ url("hra-expenses/get-partners") }}/' + branchId,
                type: 'GET',
                success: function(response) {
                    if (response.success && response.data.length > 0) {
                        var options = '<option value="">Select Partner</option>';
                        $.each(response.data, function(index, partner) {
                            options += '<option value="' + partner.id + '">' + partner.name + ' (' + partner.partner_code + ')' + 
                                      (partner.equity_percentage ? ' - ' + partner.equity_percentage + '%' : '') + '</option>';
                        });
                        partnerSelect.html(options).prop('disabled', false);
                    } else {
                        partnerSelect.html('<option value="">No partners found for this branch</option>').prop('disabled', true);
                    }
                },
                error: function() {
                    partnerSelect.html('<option value="">Error loading partners</option>').prop('disabled', true);
                    toastr.error('Failed to load partners for this branch');
                }
            });
        } else {
            partnerSelect.html('<option value="">First select a branch</option>').prop('disabled', true);
        }
    });

    // Load partners based on branch selection (for Edit Modal)
    $('#edit_branch_id').on('change', function() {
        var branchId = $(this).val();
        var partnerSelect = $('#edit_partner_id');
        var currentPartnerId = $('#edit_current_partner_id').val();
        
        if (branchId) {
            partnerSelect.prop('disabled', false).html('<option value="">Loading partners...</option>');
            
            $.ajax({
                url: '{{ url("hra-expenses/get-partners") }}/' + branchId,
                type: 'GET',
                success: function(response) {
                    if (response.success && response.data.length > 0) {
                        var options = '<option value="">Select Partner</option>';
                        $.each(response.data, function(index, partner) {
                            var selected = (partner.id == currentPartnerId) ? 'selected' : '';
                            options += '<option value="' + partner.id + '" ' + selected + '>' + 
                                      partner.name + ' (' + partner.partner_code + ')' + 
                                      (partner.equity_percentage ? ' - ' + partner.equity_percentage + '%' : '') + 
                                      '</option>';
                        });
                        partnerSelect.html(options).prop('disabled', false);
                    } else {
                        partnerSelect.html('<option value="">No partners found for this branch</option>').prop('disabled', true);
                    }
                },
                error: function() {
                    partnerSelect.html('<option value="">Error loading partners</option>').prop('disabled', true);
                    toastr.error('Failed to load partners for this branch');
                }
            });
        } else {
            partnerSelect.html('<option value="">First select a branch</option>').prop('disabled', true);
        }
    });

    // Edit Function
    window.editHraExpense = function(id) {
        $('#editForm')[0].reset();
        $('.invalid-feedback').hide();
        $('.form-control, .form-select').removeClass('is-invalid');
        
        $('#editModal').modal('show');
        $('#editSubmit').prop('disabled', true).html(' Loading...');
        
        $.ajax({
            url: '{{ url("hra-expenses/edit") }}/' + id,
            type: 'GET',
            success: function(response) {
                if (response.success) {
                    let data = response.data;
                    $('#edit_id').val(data.id);
                    $('#edit_branch_id').val(data.branch_id);
                    $('#edit_expense_month').val(data.expense_month);
                    $('#edit_amount').val(data.hra_amount);
                    $('#edit_description').val(data.description);
                    
                    @if(Auth::user()->hasRole('superadmin'))
                        $('#edit_current_partner_id').val(data.partner_id);
                        $('#edit_branch_id').trigger('change');
                    @endif
                    
                    $('#editSubmit').prop('disabled', false).html(' Update');
                } else {
                    toastr.error(response.message);
                    $('#editModal').modal('hide');
                }
            },
            error: function(xhr) {
                console.error(xhr);
                toastr.error('Failed to load data. Please try again.');
                $('#editModal').modal('hide');
            }
        });
    };

    // Edit Form Submit
    $('#editForm').on('submit', function(e) {
        e.preventDefault();
        
        let id = $('#edit_id').val();
        $('.invalid-feedback').hide();
        $('.form-control, .form-select').removeClass('is-invalid');
        
        $('#editSubmit').prop('disabled', true).html(' Updating...');
        
        $.ajax({
            url: '{{ url("hra-expenses/update") }}/' + id,
            type: 'POST',
            data: $(this).serialize(),
            success: function(response) {
                $('#editModal').modal('hide');
                toastr.success(response.message);
                setTimeout(() => location.reload(), 1500);
            },
            error: function(xhr) {
                $('#editSubmit').prop('disabled', false).html(' Update');
                
                if (xhr.status === 422) {
                    let errors = xhr.responseJSON.errors;
                    Object.keys(errors).forEach(key => {
                        if (key === 'branch_id') {
                            $('#edit_branch_id').addClass('is-invalid');
                            $('#edit_branch_error').html(errors[key][0]).show();
                        } else if (key === 'partner_id') {
                            $('#edit_partner_id').addClass('is-invalid');
                            $('#edit_partner_error').html(errors[key][0]).show();
                        } else if (key === 'expense_month') {
                            $('#edit_expense_month').addClass('is-invalid');
                            $('#edit_month_error').html(errors[key][0]).show();
                        } else if (key === 'hra_amount') {
                            $('#edit_amount').addClass('is-invalid');
                            $('#edit_amount_error').html(errors[key][0]).show();
                        } else if (key === 'description') {
                            $('#edit_description').addClass('is-invalid');
                            $('#edit_description_error').html(errors[key][0]).show();
                        } else {
                            toastr.error(errors[key][0]);
                        }
                    });
                } else if (xhr.status === 403) {
                    toastr.error(xhr.responseJSON.message || 'Permission denied.');
                } else {
                    toastr.error(xhr.responseJSON?.message || 'Error occurred. Please try again.');
                }
            }
        });
    });

    // Delete Function
    window.deleteHraExpense = function(id) {
        Swal.fire({
            title: 'Are you sure?',
            text: "You won't be able to revert this!",
            icon: 'warning',
            showCancelButton: true,
            confirmButtonColor: '#d33',
            cancelButtonColor: '#3085d6',
            confirmButtonText: 'Yes, delete it!'
        }).then((result) => {
            if (result.isConfirmed) {
                $.ajax({
                    url: '{{ url("hra-expenses/delete") }}/' + id,
                    type: 'DELETE',
                    data: { _token: '{{ csrf_token() }}' },
                    success: function(response) {
                        if (response.success) {
                            $('#row-' + id).fadeOut(500, function() {
                                $(this).remove();
                                if ($('tbody tr').length === 0) {
                                    location.reload();
                                }
                            });
                            toastr.success(response.message);
                        } else {
                            toastr.error(response.message);
                        }
                    },
                    error: function(xhr) {
                        let message = 'Error occurred while deleting.';
                        if (xhr.responseJSON && xhr.responseJSON.message) {
                            message = xhr.responseJSON.message;
                        }
                        toastr.error(message);
                        console.error(xhr);
                    }
                });
            }
        });
    };

    // Reset forms on modal close
    $('#createModal').on('hidden.bs.modal', function() {
        $('#createForm')[0].reset();
        $('.invalid-feedback').hide();
        $('.form-control, .form-select').removeClass('is-invalid');
        $('#createSubmit').prop('disabled', false).html('Save');
        
        @if(Auth::user()->hasRole('superadmin'))
            $('#create_partner_id').html('<option value="">First select a branch</option>').prop('disabled', true);
        @endif
    });

    $('#editModal').on('hidden.bs.modal', function() {
        $('.invalid-feedback').hide();
        $('.form-control, .form-select').removeClass('is-invalid');
        $('#editSubmit').prop('disabled', false).html('Update');
    });
</script>
@endsection