@page "/Issues/{id:guid}"
@page "/Issues/Add"
@using Microsoft.AspNetCore.Components.Authorization
@attribute [Authorize(Roles = RoleService.AdministratorRoleName)]
@inject GameService GameService
@inject IssueService IssueService
@inject UserService UserService
@inject IMessageService MessageService
@inject NavigationManager NavigationManager
@inject AuthenticationStateProvider AuthenticationStateProvider
@inject ILogger<Edit> Logger

<Layout Class="panel-layout">
    <Content>
        <PageHeader>
            <PageHeaderTitle>
                @if (Id == null || Id == Guid.Empty)
                {
                    <Text>Add New Issue</Text>
                }
                else
                {
                    <Text>Edit Issue</Text>
                }
            </PageHeaderTitle>
            <PageHeaderExtra>
                <Flex Gap="FlexGap.Small" Justify="FlexJustify.End">
                    @if (Id != Guid.Empty)
                    {
                        <Button OnClick="Resolve" Disabled="@(Issue?.ResolvedOn != null)">Resolve</Button>
                    }

                    <Button Type="@ButtonType.Primary" OnClick="Save" Disabled="@(Issue?.ResolvedOn != null)">Save</Button>
                </Flex>
            </PageHeaderExtra>
        </PageHeader>

        <div class="panel-layout-content">
            @if (Issue?.ResolvedOn != null)
            {
                <Alert Type="@AlertType.Success" Message="@($"This issue was resolved on {Issue.ResolvedOn} by {Issue?.ResolvedBy?.UserName} and was reported by {Issue?.CreatedBy?.UserName} on {Issue.CreatedOn}")" ShowIcon="true" Style="margin-bottom: 16px" />
            }
            else if (Id != Guid.Empty)
            {
                <Alert Type="@AlertType.Info" Message="@($"This issue was reported by {Issue?.CreatedBy?.UserName} on {Issue.CreatedOn}")" ShowIcon="true" Style="margin-bottom: 16px" />
            }

            <Form Model="@Issue" Layout="@FormLayout.Vertical">
                <FormItem Label="Game">
                    <GridRow Wrap="false" Gutter="16">
                        <GridCol Flex=@("auto")>
                            <Select TItem="Game"
                                    TItemValue="Guid"
                                    DataSource="@Games?.OrderBy(g => String.IsNullOrWhiteSpace(g.SortTitle) ? g.Title : g.SortTitle)"
                                    @bind-Value="@context.GameId"
                                    LabelName="Title"
                                    ValueName="Id"
                                    Placeholder="Select a Game"
                                    DefaultActiveFirstOption="false"
                                    EnableSearch
                                    Disabled="context?.ResolvedOn != null">
                                <ItemTemplate Context="game">
                                    <Image Src="@GetIcon(game)" Height="32" Width="32" Preview="false"></Image>
                                    @game.Title
                                </ItemTemplate>
                            </Select>
                        </GridCol>
                        <GridCol Flex=@("none")>
                            @if (context.Game != null && context.GameId != Guid.Empty)
                            {
                                <a href="/Games/@(context.Game?.Id)" target="_blank" class="ant-btn ant-btn-primary">Edit</a>
                            }
                            else
                            {
                                <Button Type="@ButtonType.Primary" Disabled="true">Edit</Button>
                            }
                        </GridCol>
                    </GridRow>
                </FormItem>
                <FormItem Label="Description">
                    <TextArea AutoFocus @bind-Value="@context.Description" ShowCount MinRows="30" Disabled="context?.ResolvedOn != null" />
                </FormItem>
            </Form>
        </div>
    </Content>
</Layout>

@code {
    [Parameter] public Guid Id { get; set; }

    Issue Issue = new Issue();

    IEnumerable<Game> Games = new List<Game>();

    protected override async Task OnInitializedAsync()
    {
        await LoadData();
    }

    private async Task LoadData()
    {
        if (Id == Guid.Empty)
            Issue = new Issue();
        else
            Issue = await IssueService
                .Include(
                    i => i.Game,
                    i => i.CreatedBy,
                    i => i.UpdatedBy,
                    i => i.ResolvedBy
                ).GetAsync(Id);
        
        Games = await GameService.Include(g => g.Media.Where(m => m.Type == SDK.Enums.MediaType.Icon)).GetAsync();
    }

    private async Task Save()
    {
        try
        {
            if (Issue.Id != Guid.Empty)
            {
                Issue = await IssueService.UpdateAsync(Issue);

                MessageService.Success("Issue updated!");
            }
            else
            {
                Issue = await IssueService.AddAsync(Issue);

                NavigationManager.LocationChanged += NotifyIssueAdded;

                NavigationManager.NavigateTo($"/Issues/{Issue.Id}");
            }
        }
        catch (Exception ex)
        {
            MessageService.Error("Could not save issue!");
            Logger?.LogError(ex, "Could not save issue!");
        }
    }

    private async Task Resolve()
    {
        try
        {
            var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
            var user = await UserService.GetAsync(authState.User.Identity.Name);
            
            await IssueService.ResolveAsync(Issue.Id, user.Id);

            Issue = await IssueService.GetAsync(Issue.Id);
                
            MessageService.Success("Issue resolved!");

            await LoadData();
        }
        catch (Exception ex)
        {
            MessageService.Error("Could not resolve issue!");
            Logger?.LogError(ex, "Could not resolve issue!");
        }
    }

    private string GetIcon(Game game)
    {
        var media = game?.Media?.FirstOrDefault(m => m.Type == SDK.Enums.MediaType.Icon);

        if (media != null)
            return $"/api/Media/{media.Id}/Download?fileId={media.FileId}";
        else
            return "/favicon.ico";
    }

    private void NotifyIssueAdded(object? sender, LocationChangedEventArgs e)
    {
        NavigationManager.LocationChanged -= NotifyIssueAdded;

        MessageService.Success("Issue added!");
    }
}