@page "/read"
@using WebSharpRSS.Models;
@using ToolQit.Extensions
@using Serilog
@using SharpRss.Models
@using SharpRss.Services

@inject RssService _rssService;

<MudStack Spacing="2" Class="ml-2 mr-2">
    @if (isLoading)
    {
        <div class="justify-self: center">
            <MudProgressCircular Color="Color.Primary" Indeterminate="true" />
            <MudText>Loading...</MudText>
        </div>
    }
    else if (faulted)
    {
        <MudAlert Severity="Severity.Error" Variant="Variant.Filled">Could not load feeds!</MudAlert>
    }
    else
    {
        foreach (var feedItemData in items)
        {
            <MudItem>
                <MudCard>
                    <MudCardContent>
                        <div style="justify-self: start;" class="d-flex align-center">
                            @*@if (feedItemData.Icon != null)
                    {
                    <MudIcon Icon="@feedItemData.Icon" Style="@($"color:{feedItemData.CategoryColorHex}")" />
                    }
                    @if (feedItemData.FaviconUrl != null)
                    {
                    <MudImage Src="@feedItemData" ObjectFit="ObjectFit.Contain" />
                    }*@
                            <MudText Class="d-inline pa-2 align-center">@feedItemData.Title</MudText>
                        </div>
                        <MudText Typo="Typo.body2">@feedItemData.Description</MudText>
                        <MudText Typo="Typo.overline">@feedItemData.PublishingDate.ToString()</MudText>
                    </MudCardContent>
                </MudCard>
            </MudItem>
        }
    }
</MudStack>

@code {
    [Parameter]
    [SupplyParameterFromQuery(Name = "fid")]
    public string? Fid
    { 
        get => _fid;
        set
        {
            _fid = value;
            LoadItems();
        }
    }
    private string? _fid;
    [Parameter]
    [SupplyParameterFromQuery(Name = "gid")]
    public string? Gid
    {
        get => _gid;
        set
        {
            _gid = value;
            LoadItems();
        }
    }
    private string? _gid;
    HashSet<FeedItemData> items = new HashSet<FeedItemData>();
    bool isLoading = true;
    bool faulted = false;
    private async void LoadItems()
    {
        faulted = false;
        isLoading = true;
        if (Fid != null)
        {
            var fItems = await _rssService.GetFeedItemsAsync(Fid);
            items = fItems.Select(x => FeedItemData.FromModel(x)).OrderBy(x => x.PublishingDate).Reverse().ToHashSet();
            isLoading = false;
        }
        else if (Gid != null)
        {
            var feeds = await _rssService.GetFeedsAsync(Gid);
            var feedids = feeds.Select(x => x.Id);
            var feedItems = await _rssService.GetFeedItemsFromFeedsAsync(feedids.ToArray());
            items = feedItems.Select(x => FeedItemData.FromModel(x)).OrderBy(x => x.PublishingDate).Reverse().ToHashSet();
        }
        else
        {
            faulted = true;
        }
        isLoading = false;
        StateHasChanged();
    }
    protected override void OnInitialized()
    {
        LoadItems();
    }
}