@extends('layouts.app')
@section('title', __('License Management'))

@section('content')
<section class="content-header">
    <h1>
        <i class="fa fa-key"></i>
        @lang('License Management')
    </h1>
</section>

<section class="content">
    <div class="row">
        <div class="col-md-12">
            @component('components.widget', ['class' => 'box-primary'])
                <div class="row">
                    <div class="col-md-12">
                        <h3>Generate New License</h3>
                        <hr>
                        
                        @if(session('status'))
                            <div class="alert alert-{{ session('status')['success'] ? 'success' : 'danger' }}">
                                {!! session('status')['msg'] !!}
                                @if(isset(session('status')['license_code']))
                                    <br><strong>License Code: {{ session('status')['license_code'] }}</strong>
                                @endif
                            </div>
                        @endif

                        <form action="{{ action([App\Http\Controllers\LicenseManagementController::class, 'generateLicense']) }}" method="POST">
                            @csrf
                            <div class="row">
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="module_name">Module Name:*</label>
                                        <select name="module_name" id="module_name" class="form-control" required>
                                            <option value="businessmanagement">Business Management</option>
                                            <option value="accountingreports">Accounting Reports</option>
                                            <!-- Add more modules as needed -->
                                        </select>
                                    </div>
                                </div>

                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="username">Username:*</label>
                                        <input type="text" name="username" id="username" class="form-control" required 
                                               placeholder="Enter purchase username">
                                    </div>
                                </div>
                            </div>

                            <div class="row">
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="email">Email:*</label>
                                        <input type="email" name="email" id="email" class="form-control" required 
                                               placeholder="Enter customer email">
                                    </div>
                                </div>

                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="license_type">License Type:*</label>
                                        <select name="license_type" id="license_type" class="form-control" required>
                                            <option value="single">Single Site</option>
                                            <option value="multi">Multi Site</option>
                                            <option value="unlimited">Unlimited</option>
                                        </select>
                                    </div>
                                </div>
                            </div>

                            <div class="row">
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="expiry_date">Expiry Date (Optional):</label>
                                        <input type="date" name="expiry_date" id="expiry_date" class="form-control" 
                                               placeholder="Leave empty for lifetime license">
                                    </div>
                                </div>
                            </div>

                            <div class="form-group">
                                <button type="submit" class="btn btn-primary">
                                    <i class="fa fa-key"></i> Generate License
                                </button>
                            </div>
                        </form>
                    </div>
                </div>
            @endcomponent

            @component('components.widget', ['class' => 'box-primary'])
                <div class="row">
                    <div class="col-md-12">
                        <h3>Existing Licenses</h3>
                        <hr>
                        
                        <div class="table-responsive">
                            <table class="table table-bordered table-striped table-hover" id="licenses_table">
                                <thead>
                                    <tr>
                                        <th>Module</th>
                                        <th>License Code</th>
                                        <th>Username</th>
                                        <th>Email</th>
                                        <th>Type</th>
                                        <th>Expiry Date</th>
                                        <th>Status</th>
                                        <th>Installations</th>
                                        <th>Install Domain</th>
                                        <th>Install URL</th>
                                        <th>Created At</th>
                                        <th>Actions</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @forelse($licenses as $license)
                                        <tr>
                                            <td>{{ $license->module_name ?? 'N/A' }}</td>
                                            <td><code>{{ $license->license_code ?? 'N/A' }}</code></td>
                                            <td>{{ $license->username ?? 'N/A' }}</td>
                                            <td>{{ $license->email ?? 'N/A' }}</td>
                                            <td>
                                                @php
                                                    $license_type = strtolower($license->license_type ?? 'single');
                                                    $type_label = 'Single Site';
                                                    $type_class = 'info';
                                                    if ($license_type == 'multi') {
                                                        $type_label = 'Multi Site (10 max)';
                                                        $type_class = 'primary';
                                                    } elseif ($license_type == 'unlimited') {
                                                        $type_label = 'Unlimited';
                                                        $type_class = 'success';
                                                    }
                                                @endphp
                                                <span class="label label-{{ $type_class }}" title="License Type: {{ ucfirst($license_type) }}">
                                                    {{ $type_label }}
                                                </span>
                                            </td>
                                            <td>
                                                @if($license->expiry_date ?? null)
                                                    {{ \Carbon\Carbon::parse($license->expiry_date)->format('Y-m-d') }}
                                                @else
                                                    <span class="text-success">Lifetime</span>
                                                @endif
                                            </td>
                                            <td>
                                                @php
                                                    $status = $license->status ?? 'active';
                                                    $statusClass = 'warning';
                                                    if ($status == 'active') {
                                                        $statusClass = 'success';
                                                    } elseif ($status == 'expired' || $status == 'revoked') {
                                                        $statusClass = 'danger';
                                                    } elseif ($status == 'suspended') {
                                                        $statusClass = 'warning';
                                                    } else {
                                                        $statusClass = 'default';
                                                    }
                                                @endphp
                                                <span class="label label-{{ $statusClass }}">
                                                    {{ ucfirst($status) }}
                                                </span>
                                            </td>
                                            <td>
                                                @php
                                                    $install_count = $license->installation_count ?? 0;
                                                    $install_limit = $license->installation_limit ?? 1;
                                                    $limit_text = is_numeric($install_limit) ? $install_limit : '∞';
                                                @endphp
                                                <span class="badge badge-{{ $install_count >= ($install_limit === 'unlimited' ? 999 : $install_limit) ? 'danger' : 'success' }}">
                                                    {{ $install_count }}/{{ $limit_text }}
                                                </span>
                                                @if($install_limit !== 'unlimited' && $install_count >= $install_limit)
                                                    <br><small class="text-danger">Limit reached</small>
                                                @endif
                                            </td>
                                            <td>
                                                @if(isset($license->install_domain) && !empty($license->install_domain))
                                                    <code>{{ $license->install_domain }}</code>
                                                @else
                                                    <span class="text-muted">-</span>
                                                @endif
                                            </td>
                                            <td>
                                                @if(isset($license->install_url) && !empty($license->install_url))
                                                    <a href="{{ $license->install_url }}" target="_blank" title="{{ $license->install_url }}">
                                                        <i class="fa fa-external-link"></i> View
                                                    </a>
                                                @else
                                                    <span class="text-muted">-</span>
                                                @endif
                                            </td>
                                            <td>
                                                @if(isset($license->created_at))
                                                    {{ \Carbon\Carbon::parse($license->created_at)->format('Y-m-d H:i') }}
                                                @else
                                                    N/A
                                                @endif
                                            </td>
                                            <td>
                                                @php
                                                    $license_id = $license->id ?? null;
                                                    $current_status = strtolower(trim($license->status ?? 'active'));
                                                    $has_install_data = isset($license->install_domain) && !empty($license->install_domain);
                                                    $license_type = strtolower($license->license_type ?? 'single');
                                                @endphp
                                                @if($license_id)
                                                    <div class="btn-group">
                                                        <button type="button" class="btn btn-xs btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                                                            Actions <span class="caret"></span>
                                                        </button>
                                                        <ul class="dropdown-menu dropdown-menu-right">
                                                            {{-- Show Activate for suspended licenses --}}
                                                            @if($current_status == 'suspended')
                                                                <li>
                                                                    <a href="#" class="activate-license" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}">
                                                                        <i class="fa fa-check text-success"></i> Activate License (Unsuspend)
                                                                    </a>
                                                                </li>
                                                                <li class="divider"></li>
                                                            @endif
                                                            
                                                            {{-- Show Suspend for active/inactive licenses (not expired/revoked/suspended) --}}
                                                            @if($current_status != 'expired' && $current_status != 'revoked' && $current_status != 'suspended')
                                                                <li>
                                                                    <a href="#" class="suspend-license" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}">
                                                                        <i class="fa fa-pause text-warning"></i> Suspend License
                                                                    </a>
                                                                </li>
                                                            @endif
                                                            
                                                            {{-- Show Revoke for non-revoked licenses --}}
                                                            @if($current_status != 'revoked')
                                                                <li>
                                                                    <a href="#" class="revoke-license text-danger" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}">
                                                                        <i class="fa fa-ban"></i> Revoke License
                                                                    </a>
                                                                </li>
                                                            @endif
                                                            
                                                            {{-- Show Renew for non-revoked licenses --}}
                                                            @if($current_status != 'revoked')
                                                                <li>
                                                                    <a href="#" class="renew-license text-primary" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}" data-expiry="{{ $license->expiry_date ?? '' }}">
                                                                        <i class="fa fa-calendar-plus-o"></i> Renew/Extend Expiry
                                                                    </a>
                                                                </li>
                                                            @endif
                                                            
                                                            {{-- Show Update Type for non-revoked licenses --}}
                                                            @if($current_status != 'revoked')
                                                                <li>
                                                                    <a href="#" class="update-type-license text-info" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}" data-type="{{ $license_type }}">
                                                                        <i class="fa fa-edit"></i> Update License Type
                                                                    </a>
                                                                </li>
                                                            @endif
                                                            
                                                            {{-- Show Reset System for all licenses (except expired/revoked) --}}
                                                            @if($current_status != 'expired' && $current_status != 'revoked')
                                                                <li>
                                                                    <a href="#" class="reset-license text-info" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}">
                                                                        <i class="fa fa-refresh"></i> Reset System
                                                                    </a>
                                                                </li>
                                                            @endif
                                                            
                                                            <li class="divider"></li>
                                                            <li>
                                                                <a href="#" class="delete-license text-danger" data-id="{{ $license_id }}" data-license-code="{{ $license->license_code ?? '' }}">
                                                                    <i class="fa fa-trash"></i> Delete License
                                                                </a>
                                                            </li>
                                                        </ul>
                                                    </div>
                                                @else
                                                    <span class="text-muted">-</span>
                                                @endif
                                            </td>
                                        </tr>
                                    @empty
                                        <tr>
                                            <td colspan="11" class="text-center">
                                                <p class="text-muted">No licenses found. Generate a license above.</p>
                                            </td>
                                        </tr>
                                    @endforelse
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            @endcomponent
        </div>
    </div>
</section>
@endsection

@section('javascript')
<script>
    $(document).ready(function() {
        // Initialize DataTable if licenses exist
        @if(count($licenses) > 0)
            $('#licenses_table').DataTable({
                "pageLength": 25,
                "order": [[9, "desc"]], // Order by Created At (column 9)
                "columnDefs": [
                    { "orderable": false, "targets": [10] } // Disable sorting on Actions column
                ]
            });
        @endif

        // Delete License
        $(document).on('click', '.delete-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            
            if (confirm('Are you sure you want to delete this license?\n\nLicense Code: ' + licenseCode + '\n\nThis action cannot be undone!')) {
                $.ajax({
                    url: "{{ url('license-management/delete') }}/" + licenseId,
                    type: 'DELETE',
                    data: {
                        _token: "{{ csrf_token() }}"
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1000);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while deleting the license.';
                        toastr.error(errorMsg);
                    }
                });
            }
        });

        // Suspend License
        $(document).on('click', '.suspend-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            
            if (confirm('Are you sure you want to suspend this license?\n\nLicense Code: ' + licenseCode + '\n\nThe license will be disabled and cannot be used for installation.')) {
                $.ajax({
                    url: "{{ url('license-management/suspend') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}"
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1000);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while suspending the license.';
                        toastr.error(errorMsg);
                    }
                });
            }
        });

        // Activate License
        $(document).on('click', '.activate-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            
            if (confirm('Are you sure you want to activate this license?\n\nLicense Code: ' + licenseCode + '\n\nThe license will be enabled and can be used for installation.')) {
                $.ajax({
                    url: "{{ url('license-management/activate') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}"
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1000);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while activating the license.';
                        toastr.error(errorMsg);
                    }
                });
            }
        });

        // Reset License (Reset System)
        $(document).on('click', '.reset-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            
            if (confirm('Are you sure you want to reset this license?\n\nLicense Code: ' + licenseCode + '\n\nThis will:\n- Clear install domain and URL\n- Reset license status to inactive\n- Allow license to be used on a different domain\n- Remove module installation data\n\nThis action cannot be undone!')) {
                $.ajax({
                    url: "{{ url('license-management/reset') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}"
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1500);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while resetting the license.';
                        toastr.error(errorMsg);
                    }
                });
            }
        });

        // Revoke License
        $(document).on('click', '.revoke-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            
            if (confirm('⚠️ WARNING: Are you sure you want to REVOKE this license?\n\nLicense Code: ' + licenseCode + '\n\nThis will:\n- Permanently disable the license\n- License CANNOT be reactivated\n- License CANNOT be used for installation\n\nThis action is PERMANENT and CANNOT be undone!')) {
                $.ajax({
                    url: "{{ url('license-management/revoke') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}"
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1500);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while revoking the license.';
                        toastr.error(errorMsg);
                    }
                });
            }
        });

        // Renew License (Extend Expiry)
        $(document).on('click', '.renew-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            var currentExpiry = $(this).data('expiry') || '';
            
            var expiryDate = prompt('Enter new expiry date (YYYY-MM-DD):\n\nLicense Code: ' + licenseCode + '\nCurrent Expiry: ' + (currentExpiry || 'Lifetime') + '\n\nNew expiry date must be in the future.', '');
            
            if (expiryDate) {
                // Validate date format
                var dateRegex = /^\d{4}-\d{2}-\d{2}$/;
                if (!dateRegex.test(expiryDate)) {
                    toastr.error('Invalid date format. Please use YYYY-MM-DD format.');
                    return;
                }
                
                // Check if date is in the future
                var selectedDate = new Date(expiryDate);
                var today = new Date();
                today.setHours(0, 0, 0, 0);
                
                if (selectedDate <= today) {
                    toastr.error('Expiry date must be in the future.');
                    return;
                }
                
                $.ajax({
                    url: "{{ url('license-management/renew') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}",
                        expiry_date: expiryDate
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1500);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while renewing the license.';
                        if (xhr.responseJSON && xhr.responseJSON.errors) {
                            var errors = xhr.responseJSON.errors;
                            for (var field in errors) {
                                toastr.error(errors[field][0]);
                            }
                        } else {
                            toastr.error(errorMsg);
                        }
                    }
                });
            }
        });

        // Update License Type
        $(document).on('click', '.update-type-license', function(e) {
            e.preventDefault();
            var licenseId = $(this).data('id');
            var licenseCode = $(this).data('license-code');
            var currentType = $(this).data('type');
            
            var typeOptions = {
                'single': 'Single Site (1 domain)',
                'multi': 'Multi Site (10 domains)',
                'unlimited': 'Unlimited (no limit)'
            };
            
            var typeChoice = prompt('Select new license type:\n\nLicense Code: ' + licenseCode + '\nCurrent Type: ' + (typeOptions[currentType] || currentType) + '\n\nEnter: single, multi, or unlimited', currentType);
            
            if (typeChoice && ['single', 'multi', 'unlimited'].includes(typeChoice.toLowerCase())) {
                $.ajax({
                    url: "{{ url('license-management/update-type') }}/" + licenseId,
                    type: 'POST',
                    data: {
                        _token: "{{ csrf_token() }}",
                        license_type: typeChoice.toLowerCase()
                    },
                    success: function(response) {
                        if (response.success) {
                            toastr.success(response.msg);
                            setTimeout(function() {
                                location.reload();
                            }, 1500);
                        } else {
                            toastr.error(response.msg);
                        }
                    },
                    error: function(xhr) {
                        var errorMsg = xhr.responseJSON && xhr.responseJSON.msg ? xhr.responseJSON.msg : 'An error occurred while updating the license type.';
                        if (xhr.responseJSON && xhr.responseJSON.errors) {
                            var errors = xhr.responseJSON.errors;
                            for (var field in errors) {
                                toastr.error(errors[field][0]);
                            }
                        } else {
                            toastr.error(errorMsg);
                        }
                    }
                });
            } else if (typeChoice) {
                toastr.error('Invalid license type. Please enter: single, multi, or unlimited');
            }
        });
    });
</script>
@endsection