@rendermode InteractiveServer

@using BlazorStrap
@using BlazorStrap.Shared.Components.Modal
@using static Microsoft.AspNetCore.Components.Web.RenderMode
@using BlazorStrap.V5
@using CurrieTechnologies.Razor.SweetAlert2
@using HopFrame.Database.Models
@using HopFrame.Security.Services
@using HopFrame.Web.Model

<BSModal DataId="add-group-modal" HideOnValidSubmit="true" IsStaticBackdrop="true" @ref="_modal">
    <BSForm Model="_group" OnValidSubmit="AddGroup">
        @if (_isEdit) {
            <BSModalHeader>Edit group</BSModalHeader>
        }
        else {
            <BSModalHeader>Add group</BSModalHeader>
        }
        <BSModalContent>
            <div class="mb-3">
                <BSLabel>Name</BSLabel>
                @if (!_isEdit) {
                    <BSInputGroup>
                        <span class="@BS.Input_Group_Text">group.</span>
                        <BSInput InputType="InputType.Text" @bind-Value="_group.GroupName"/>
                    </BSInputGroup>
                }
                else {
                    <input type="text" class="form-control" disabled value="@_group.Name"/>
                }
            </div>
            
            @if (_isEdit) {
                <div class="mb-3">
                    <BSLabel>Created at</BSLabel>
                    <input type="text" class="form-control" disabled value="@_group.CreatedAt"/>
                </div>
            }
            
            <div class="mb-3">
                <BSLabel>Description</BSLabel>
                <BSInput InputType="InputType.TextArea" @bind-Value="_group.Description"/>
            </div>
            
            <div class="mb-3">
                <BSInputSwitch @bind-Value="_group.IsDefaultGroup" CheckedValue="true" UnCheckedValue="false">
                    Default group
                </BSInputSwitch>
            </div>

            <div class="mb-3">
                <BSLabel>Inherits from</BSLabel>
                <BSListGroup>
                    <BSListGroupItem>
                        <BSListGroup IsFlush="true">
                            @foreach (var group in _group.Permissions.Where(g => g.PermissionName.StartsWith("group."))) {
                                <BSListGroupItem>
                                    <BSButton Color="BSColor.Danger" Size="Size.ExtraSmall" MarginEnd="Margins.Small" OnClick="() => RemovePermission(group)">
                                        <HopIconDisplay Type="HopIconDisplay.HopIcon.Cross"/>
                                    </BSButton>

                                    <span>@group.PermissionName.Replace("group.", "")</span>
                                </BSListGroupItem>
                            }
                        </BSListGroup>
                    </BSListGroupItem>
                    <BSListGroupItem>
                        <div style="display: flex; gap: 20px">
                            <BSInput InputType="InputType.Select" @bind-Value="_groupToAdd">
                                <option selected>Select group</option>

                                @foreach (var group in _allGroups) {
                                    @if (_group.Permissions.All(g => g.PermissionName != group.Name) && group.Name != _group.Name) {
                                        <option value="@group.Name">@group.Name.Replace("group.", "")</option>
                                    }
                                }
                            </BSInput>
                            <BSButton Color="BSColor.Secondary" OnClick="AddInheritanceGroup">Add</BSButton>
                        </div>
                    </BSListGroupItem>
                </BSListGroup>
            </div>

            <div class="mb-3">
                <BSLabel>Permissions</BSLabel>
                <BSListGroup>
                    <BSListGroupItem>
                        <BSListGroup IsFlush="true">
                            @foreach (var perm in _group.Permissions.Where(perm => !perm.PermissionName.StartsWith("group."))) {
                                <BSListGroupItem>
                                    <BSButton Color="BSColor.Danger" Size="Size.ExtraSmall" MarginEnd="Margins.Small" OnClick="() => RemovePermission(perm)">
                                        <HopIconDisplay Type="HopIconDisplay.HopIcon.Cross"/>
                                    </BSButton>

                                    <span>@perm.PermissionName</span>
                                </BSListGroupItem>
                            }
                        </BSListGroup>
                    </BSListGroupItem>
                    <BSListGroupItem>
                        <div style="display: flex; gap: 20px">
                            <BSInput InputType="InputType.Text" @bind-Value="_permissionToAdd"/>
                            <BSButton Color="BSColor.Secondary" OnClick="AddPermission">Add</BSButton>
                        </div>
                    </BSListGroupItem>
                </BSListGroup>
            </div>
        </BSModalContent>
        <BSModalFooter>
            <BSButton Target="add-group-modal">Cancel</BSButton>
            <BSButton IsSubmit="true" Color="BSColor.Primary">Save</BSButton>
        </BSModalFooter>
    </BSForm>
</BSModal>

@inject IPermissionService Permissions
@inject SweetAlertService Alerts

@code {
    [Parameter] public Func<Task> ReloadPage { get; set; }
    
    private PermissionGroupAdd _group;

    private BSModalBase _modal;
    private string _permissionToAdd;
    private string _groupToAdd;

    private IList<PermissionGroup> _allGroups;

    private bool _isEdit;

    public async Task ShowAsync(PermissionGroup group = null) {
        _allGroups = await Permissions.GetPermissionGroups();

        if (group is not null) {
            _group = new PermissionGroupAdd {
                CreatedAt = group.CreatedAt,
                Description = group.Description,
                Name = group.Name,
                IsDefaultGroup = group.IsDefaultGroup,
                Permissions = group.Permissions
            };
            _isEdit = true;
        }
        else {
            _group = new PermissionGroupAdd {
                Permissions = new List<Permission>(),
                IsDefaultGroup = false
            };
            _isEdit = false;
        }

        await _modal.ShowAsync();
    }

    private async Task AddPermission() {
        if (string.IsNullOrWhiteSpace(_permissionToAdd)) {
            await Alerts.FireAsync(new SweetAlertOptions {
                Title = "Enter a permission name!",
                Icon = SweetAlertIcon.Error,
                ShowConfirmButton = true
            });
            return;
        }

        if (_isEdit) {
            await Permissions.AddPermission(_group, _permissionToAdd);
        }
        
        _group.Permissions.Add(new Permission {
            PermissionName = _permissionToAdd
        });

        _permissionToAdd = null;
    }

    private async Task RemovePermission(Permission permission) {
        if (_isEdit) {
            var perm = await Permissions.GetPermission(permission.PermissionName, _group);
            await Permissions.RemovePermission(perm);
        }
        
        _group.Permissions.Remove(permission);
    }

    private async Task AddInheritanceGroup() {
        if (string.IsNullOrWhiteSpace(_groupToAdd)) {
            await Alerts.FireAsync(new SweetAlertOptions {
                Title = "Select a group!",
                Icon = SweetAlertIcon.Error,
                ShowConfirmButton = true
            });
            return;
        }
        
        if (_isEdit) {
            await Permissions.AddPermission(_group, _groupToAdd);
        }
        
        _group.Permissions.Add(new Permission {
            PermissionName = _groupToAdd
        });

        _groupToAdd = null;
    }

    private async Task AddGroup() {
        if (_isEdit) {
            await Permissions.EditPermissionGroup(_group);
            
            if (ReloadPage is not null)
                await ReloadPage.Invoke();
            
            await Alerts.FireAsync(new SweetAlertOptions {
                Title = "Group edited!",
                Icon = SweetAlertIcon.Success,
                Timer = 1500,
                ShowConfirmButton = false
            });
            
            return;
        }
        
        if (_allGroups.Any(group => group.Name == _group.Name)) {
            await Alerts.FireAsync(new SweetAlertOptions {
                Title = "Something went wrong!",
                Text = "This group already exists!",
                Icon = SweetAlertIcon.Error,
                ShowConfirmButton = false,
                Timer = 1500
            });
            return;
        }

        var dbGroup = await Permissions.CreatePermissionGroup("group." + _group.GroupName, _group.IsDefaultGroup, _group.Description);

        foreach (var permission in _group.Permissions) {
            await Permissions.AddPermission(dbGroup, permission.PermissionName);
        }
        
        if (ReloadPage is not null)
            await ReloadPage.Invoke();
        
        await Alerts.FireAsync(new SweetAlertOptions {
            Title = "Group added!",
            Icon = SweetAlertIcon.Success,
            Timer = 1500,
            ShowConfirmButton = false
        });
    }
}