@extends('layouts.admin')

@section('title', 'Role Management')
@section('page_title', 'Roles & Permissions')

@section('content')
<div class="card border-0 shadow-sm rounded-4">
    <div class="card-header bg-white py-3 d-flex align-items-center justify-content-between border-0">
        <h6 class="m-0 font-weight-bold text-dark"><i class="bi bi-shield-lock me-2 text-primary"></i>All Roles List</h6>
        @can('add-role')
        <button type="button" class="btn btn-primary rounded-3 btn-sm" data-bs-toggle="modal" data-bs-target="#roleModal" id="createRoleBtn">
            <i class="bi bi-plus-lg me-1"></i> Add New Role
        </button>
        @endcan
    </div>
    <div class="card-body">
        <div class="table-responsive">
            {!! $dataTable->table(['class' => 'table table-hover table-striped align-middle w-100', 'id' => 'roles-table']) !!}
        </div>
    </div>
</div>

<!-- Role Add/Edit Modal -->
<div class="modal fade" id="roleModal" tabindex="-1" aria-labelledby="roleModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable">
        <form id="roleForm" class="modal-content border-0 shadow-lg rounded-4">
            @csrf
            <input type="hidden" id="role_id" name="id">

            <div class="modal-header border-bottom py-3 px-4 bg-light-subtle">
                <h5 class="modal-title fw-bold text-dark" id="roleModalLabel">Create Role</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>

            <div class="modal-body p-4">
                <div class="mb-4">
                    <label for="name" class="form-label small fw-medium">Role Name</label>
                    <input type="text" class="form-control" id="name" name="name" placeholder="e.g. Manager, Editor" required>
                </div>

                <div class="d-flex align-items-center justify-content-between mb-3 border-bottom pb-2">
                    <h6 class="fw-bold m-0 text-dark">Assign Permissions</h6>
                    <div>
                        <button type="button" class="btn btn-outline-primary btn-sm me-1" id="selectAllPermissionsBtn">Select All</button>
                        <button type="button" class="btn btn-outline-secondary btn-sm" id="unselectAllPermissionsBtn">Unselect All</button>
                    </div>
                </div>

                <div class="row g-3">
                    @foreach($groupedPermissions as $groupName => $permissions)
                        <div class="col-md-6">
                            <div class="card border border-light-subtle rounded-3 h-100">
                                <div class="card-header bg-light py-2 d-flex align-items-center justify-content-between">
                                    <span class="fw-bold small text-dark">{{ $groupName }} Permissions</span>
                                    <div class="form-check m-0">
                                        <input class="form-check-input group-checkbox" type="checkbox" data-group="{{ Str::slug($groupName) }}" id="group-{{ Str::slug($groupName) }}">
                                        <label class="form-check-label extra-small text-muted" for="group-{{ Str::slug($groupName) }}">Select Group</label>
                                    </div>
                                </div>
                                <div class="card-body p-3">
                                    <div class="row g-2">
                                        @foreach($permissions as $permission)
                                            <div class="col-6">
                                                <div class="form-check m-0">
                                                    <input class="form-check-input permission-checkbox group-item-{{ Str::slug($groupName) }}" type="checkbox" name="permissions[]" value="{{ $permission->name }}" id="perm-{{ $permission->id }}">
                                                    <label class="form-check-label small text-secondary" for="perm-{{ $permission->id }}">
                                                        {{ $permission->name }}
                                                    </label>
                                                </div>
                                            </div>
                                        @endforeach
                                    </div>
                                </div>
                            </div>
                        </div>
                    @endforeach
                </div>
            </div>

            <div class="modal-footer border-top py-3 px-4 bg-light-subtle">
                <button type="button" class="btn btn-light px-3" data-bs-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-primary px-4 shadow-sm" id="saveRoleBtn">Save Role</button>
            </div>
        </form>
    </div>
</div>

<!-- View Role Permissions Modal -->
<div class="modal fade" id="viewRoleModal" tabindex="-1" aria-labelledby="viewRoleModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg modal-dialog-centered modal-dialog-scrollable">
        <div class="modal-content border-0 shadow-lg rounded-4">
            <div class="modal-header border-bottom py-3 px-4 bg-light-subtle">
                <h5 class="modal-title fw-bold text-dark d-flex align-items-center gap-2" id="viewRoleModalLabel">
                    <i class="bi bi-shield-check text-primary fs-5"></i> Role Permissions Details
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body p-4">
                <div class="mb-4 d-flex align-items-center gap-3 bg-light p-3 rounded-3 border">
                    <span class="fw-bold text-dark fs-6"><i class="bi bi-person-badge text-secondary me-1"></i>Role Name:</span>
                    <span id="viewRoleBadge"></span>
                </div>
                <h6 class="fw-bold pb-2 mb-3.5 text-dark d-flex align-items-center gap-2 border-bottom">
                    <i class="bi bi-key text-primary"></i> Assigned Permissions Module-Wise
                </h6>
                <div id="viewRolePermissionsContent" class="row g-3.5">
                    <!-- Populated dynamically via AJAX -->
                </div>
            </div>
            <div class="modal-footer border-top-0 pt-0 px-4 pb-4">
                <button type="button" class="btn btn-secondary px-4 rounded-3" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
{!! $dataTable->scripts(attributes: ['type' => 'module']) !!}

<script type="module">
    $(document).ready(function () {
        const tableId = '#roles-table';

        function updateGroupCheckboxes() {
            $('.group-checkbox').each(function () {
                const group = $(this).data('group');
                const totalItems = $(`.group-item-${group}`).length;
                const checkedItems = $(`.group-item-${group}:checked`).length;
                $(this).prop('checked', totalItems > 0 && totalItems === checkedItems);
            });
        }

        $('#createRoleBtn').on('click', function () {
            $('#roleForm')[0].reset();
            $('#role_id').val('');
            $('#roleModalLabel').text('Create New Role');
            $('.permission-checkbox, .group-checkbox').prop('checked', false);
            $('#roleForm').find('.is-invalid').removeClass('is-invalid');
            $('#roleForm').find('.invalid-feedback-custom').remove();
        });

        $('#selectAllPermissionsBtn').on('click', function () {
            $('.permission-checkbox, .group-checkbox').prop('checked', true);
        });

        $('#unselectAllPermissionsBtn').on('click', function () {
            $('.permission-checkbox, .group-checkbox').prop('checked', false);
        });

        $('.group-checkbox').on('change', function () {
            const group = $(this).data('group');
            $(`.group-item-${group}`).prop('checked', $(this).is(':checked'));
        });

        $(document).on('change', '.permission-checkbox', function () {
            updateGroupCheckboxes();
        });

        $(document).on('click', '.view-role-btn', function (e) {
            e.preventDefault();
            const btn = $(this).closest('.view-role-btn');
            const roleId = btn.attr('data-id') || btn.data('id');

            if (!roleId) return;

            $.ajax({
                url: `/admin/roles/${roleId}/edit`,
                method: 'GET',
                success: function (res) {
                    if (res.success) {
                        const role = res.data.role;
                        const perms = res.data.permissions;

                        $('#viewRoleBadge').html(res.data.badge_html || `<span class="badge bg-primary fs-6">${role.name}</span>`);
                        $('#viewRoleModalLabel').text('Permissions for Role: ' + role.name);

                        let contentHtml = '';
                        if (perms.length === 0) {
                            contentHtml = '<div class="col-12 text-muted">No permissions assigned to this role.</div>';
                        } else {
                            const grouped = {};
                            perms.forEach(perm => {
                                const parts = perm.split('-');
                                const module = parts.length > 1 ? parts.slice(1).map(p => p.charAt(0).toUpperCase() + p.slice(1)).join(' ') : 'General';
                                if (!grouped[module]) grouped[module] = [];
                                grouped[module].push(perm);
                            });

                            Object.keys(grouped).forEach(moduleName => {
                                const modulePerms = grouped[moduleName];
                                contentHtml += `
                                    <div class="col-md-6 mb-3">
                                        <div class="card border rounded-3 h-100 shadow-sm">
                                            <div class="card-header bg-light py-2.5 px-3 d-flex align-items-center justify-content-between border-bottom">
                                                <span class="fw-bold small text-dark d-flex align-items-center gap-2"><i class="bi bi-folder2-open text-primary fs-6"></i>${moduleName} Module</span>
                                                <span class="badge bg-secondary rounded-pill px-2.5 py-1 extra-small">${modulePerms.length}</span>
                                            </div>
                                            <div class="card-body p-3.5">
                                                <div class="d-flex flex-wrap gap-2.5 align-items-center">
                                                    ${modulePerms.map(p => `
                                                        <span class="badge bg-white text-dark border py-2 px-3 rounded-3 d-inline-flex align-items-center gap-2 me-1 mb-1" style="font-size: 0.835rem; font-weight: 500;">
                                                            <i class="bi bi-check-circle-fill text-success" style="font-size: 0.9rem;"></i>
                                                            <span>${p}</span>
                                                        </span>
                                                    `).join('')}
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                `;
                            });
                        }
                        $('#viewRolePermissionsContent').html(contentHtml);
                        $('#viewRoleModal').modal('show');
                    }
                },
                error: function (xhr) {
                    Swal.fire({
                        icon: 'error',
                        title: 'Error',
                        text: xhr.responseJSON?.message || 'Failed to load role details.'
                    });
                }
            });
        });

        $(document).on('click', '.edit-role-btn', function (e) {
            e.preventDefault();
            const btn = $(this).closest('.edit-role-btn');
            const roleId = btn.attr('data-id') || btn.data('id');

            if (!roleId) return;

            $('#roleForm')[0].reset();
            $('.permission-checkbox, .group-checkbox').prop('checked', false);
            $('#roleForm').find('.is-invalid').removeClass('is-invalid');

            $.ajax({
                url: `/admin/roles/${roleId}/edit`,
                method: 'GET',
                success: function (res) {
                    if (res.success) {
                        const role = res.data.role;
                        const perms = res.data.permissions;

                        $('#role_id').val(role.id);
                        $('#name').val(role.name);
                        $('#roleModalLabel').text('Edit Role: ' + role.name);

                        if (role.name === 'Super Admin') {
                            $('.permission-checkbox, .group-checkbox').prop('checked', true);
                        } else {
                            perms.forEach(permName => {
                                $(`input[value="${permName}"]`).prop('checked', true);
                            });
                            updateGroupCheckboxes();
                        }

                        $('#roleModal').modal('show');
                    }
                },
                error: function (xhr) {
                    Swal.fire({
                        icon: 'error',
                        title: 'Error',
                        text: xhr.responseJSON?.message || 'Failed to load role for editing.'
                    });
                }
            });
        });

        $('#roleForm').validate({
            rules: {
                name: { required: true }
            },
            submitHandler: function (form) {
                const roleId = $('#role_id').val();
                const roleName = $('#name').val().trim();
                const url = roleId ? `/admin/roles/${roleId}` : '/admin/roles';
                const method = roleId ? 'PUT' : 'POST';

                if (roleName === 'Super Admin' && roleId) {
                    const totalPermissions = $('.permission-checkbox').length;
                    const checkedPermissions = $('.permission-checkbox:checked').length;
                    if (checkedPermissions < totalPermissions) {
                        Swal.fire({
                            icon: 'error',
                            title: 'Validation Error',
                            text: "Super Admin permissions can't be removed."
                        });
                        return false;
                    }
                }

                AdminAjax.submit({
                    form: form,
                    url: url,
                    method: method,
                    modal: '#roleModal',
                    dataTable: tableId
                });
            }
        });

        $(document).on('click', '.delete-role-btn', function (e) {
            e.preventDefault();
            const btn = $(this).closest('.delete-role-btn');
            const roleId = btn.attr('data-id') || btn.data('id');
            if (!roleId) return;

            AdminAjax.confirmDelete({
                url: `/admin/roles/${roleId}`,
                dataTable: tableId
            });
        });
    });
</script>
@endpush