@using LANCommander.SDK.Enums
@inject KeyService KeyService
@inject ModalService ModalService
@inject IMessageService MessageService
@inject ILogger<KeysEditor> Logger

@if (_keys != null)
{
    <Flex Direction="FlexDirection.Vertical" Gap="FlexGap.Small">
        <GridRow>
            <GridCol Span="8">
                <Statistic Title="Available" Value="_keys.Count - _allocatedKeys" Style="text-align: center;" />
            </GridCol>
            <GridCol Span="8">
                <Statistic Title="Allocated" Value="_allocatedKeys" Style="text-align: center;" />
            </GridCol>
            <GridCol Span="8">
                <Statistic Title="Total" Value="_keys.Count" Style="text-align: center;" />
            </GridCol>
        </GridRow>
        
        <DataTable @ref="_dataTable"
            TItem="Key"
            Responsive
            Query="k => k.GameId == GameId">
            <RightToolbar>
                <Button Type="@ButtonType.Default" OnClick="() => Edit()">Edit</Button>
                <Button Type="@ButtonType.Primary" OnClick="() => Save()">Save</Button>
            </RightToolbar>
            <Columns>
                <BoundDataColumn Property="k => k.Value">
                    <InputPassword @bind-Value="@context.Value"/>
                </BoundDataColumn>
                <DataColumn TData="string" Title="Allocation Method">
                    @if (context.AllocationMethod.HasValue)
                    {
                        @context.AllocationMethod.Value.GetDisplayName()
                    }
                </DataColumn>
                <DataColumn TData="string" Title="Claimed By" Include="ClaimedByUser">
                    @switch (context.AllocationMethod)
                    {
                        case KeyAllocationMethod.MacAddress:
                            <text>@context.ClaimedByMacAddress</text>
                            break;

                        case KeyAllocationMethod.UserAccount:
                            <text>@context.ClaimedByUser?.UserName</text>
                            break;
                    }
                </DataColumn>
                <BoundDataColumn Property="s => s.ClaimedOn" Title="Claimed" Sortable>
                    @if (context.ClaimedOn.HasValue)
                    {
                        <LocalTime Value="context.ClaimedOn" Relative />
                    }
                </BoundDataColumn>
                <DataActions TData="string">
                    <Dropdown>
                        <Overlay>
                            <Menu>
                                @if (!context.IsAllocated())
                                {
                                    <MenuItem OnClick="() => Assign(context)">Assign</MenuItem>
                                }
                                @if (context.IsAllocated())
                                {
                                    <MenuItem OnClick="() => Release(context)">Release</MenuItem>
                                }
                                <Popconfirm Title="Are you sure you want to remove this key?" OnConfirm="() => Remove(context)">
                                    <MenuItem>Remove</MenuItem>
                                </Popconfirm>
                            </Menu>
                        </Overlay>
                        <ChildContent>
                            <Button Icon="@IconType.Outline.Ellipsis" />
                        </ChildContent>
                    </Dropdown>
                </DataActions>
            </Columns>
        </DataTable>
    </Flex>

    <Modal Title="Edit Keys" Visible="_editModalVisible" Maximizable="false" DefaultMaximized="true" OnCancel="() => _editModalVisible = false" OnOk="Save">
        <StandaloneCodeEditor @ref="_editor" Id="editor" ConstructionOptions="EditorConstructionOptions" />
    </Modal>
}

<style>
    .monaco-editor-container {
        height: 600px;
    }
</style>

@code {
    [CascadingParameter(Name = "GameId")] public Guid GameId { get; set; }

    ICollection<Key> _keys = new List<Key>();
    
    int _allocatedKeys;
    bool _editModalVisible = false;
    
    DataTable<Key>? _dataTable;
    StandaloneCodeEditor? _editor;

    StandaloneEditorConstructionOptions EditorConstructionOptions(StandaloneCodeEditor editor)
    {
        return new StandaloneEditorConstructionOptions
        {
            AutomaticLayout = true,
            Language = "text",
            Value = String.Join('\n', _keys.Select(k => k.Value)),
            Theme = "vs-dark",
        };
    }

    protected override async Task OnInitializedAsync()
    {
        if (_keys == null)
            _keys = new List<Key>();
        
        _keys = await KeyService.GetAsync(k => k.GameId == GameId);

        _allocatedKeys = _keys.Count(k => k.IsAllocated());
    }

    void Edit()
    {
        _editModalVisible = true;
    }

    async Task Assign(Key key)
    {
        var modalOptions = new ModalOptions()
        {
            Title = "Assign Key",
            Maximizable = false,
            DefaultMaximized = false,
            Closable = true,
            Draggable = true,
            OkText = "Assign"
        };

        var modalRef = await ModalService.CreateModalAsync<AssignKeyDialog, Guid, bool>(modalOptions, key.Id);

        modalRef.OnOk = async (result) =>
        {
            _keys = await KeyService.GetAsync(k => k.GameId == GameId);
            _allocatedKeys = _keys.Count(k => k.IsAllocated());

            if (_dataTable != null)
                await _dataTable.ReloadAsync();

            await InvokeAsync(StateHasChanged);
        };
    }

    async Task Remove(Key key)
    {
        await KeyService.DeleteAsync(key);

        _keys = await KeyService.GetAsync(k => k.GameId == GameId);
        _allocatedKeys = _keys.Count(k => k.IsAllocated());

        if (_dataTable != null)
            await _dataTable.ReloadAsync();

        await MessageService.SuccessAsync("Key was removed!");
    }

    async Task Release(Key key)
    {
        await KeyService.ReleaseAsync(key);

        _keys = await KeyService.GetAsync(k => k.GameId == GameId);
        _allocatedKeys = _keys.Count(k => k.IsAllocated());

        if (_dataTable != null)
            await _dataTable.ReloadAsync();

        await MessageService.SuccessAsync("Key was unallocated!");
    }

    async Task Save()
    {
        try
        {
            var value = await _editor.GetValue();
            var keys = value.Split("\n").Select(k => k.Trim()).Where(k => !String.IsNullOrWhiteSpace(k)).ToList();

            var keysDeleted = _keys.Where(k => !keys.Contains(k.Value)).ToList();
            var keysAdded = keys.Where(k => !_keys.Any(gk => gk.Value == k)).ToList();

            foreach (var key in keysDeleted)
                await KeyService.DeleteAsync(key);

            foreach (var key in keysAdded)
                await KeyService.AddAsync(new Key()
                {
                    GameId = GameId,
                    Value = key
                });

            _editModalVisible = false;

            _keys = await KeyService.GetAsync(k => k.GameId == GameId);
            _allocatedKeys = _keys.Count(k => k.IsAllocated());

            if (_dataTable != null)
                await _dataTable.ReloadAsync();

            MessageService.Success("Keys updated!");
        }
        catch (Exception ex)
        {
            MessageService.ErrorAsync("Could not update keys!");
            Logger.LogError(ex, "Could not update keys!");
        }
    }
}