@page "/User/Profile"
@using LibMatrix.Homeservers
@using LibMatrix.EventTypes.Spec.State
@using ArcaneLibs.Extensions
@using LibMatrix.Responses
<h3>Manage Profile - @Homeserver?.WhoAmI?.UserId</h3>
<hr/>

@if (NewProfile is not null) {
    <h4>Profile</h4>
    <hr/>

    <img src="@Homeserver.ResolveMediaUri(NewProfile.AvatarUrl)" style="width: 96px; height: 96px; border-radius: 50%; object-fit: cover;"/>
    <div style="display: inline-block; vertical-align: middle;">
        <span>Display name: </span><FancyTextBox @bind-Value="@NewProfile.DisplayName"></FancyTextBox><br/>
        <span>Avatar URL: </span><FancyTextBox @bind-Value="@NewProfile.AvatarUrl"></FancyTextBox>
        <InputFile OnChange="@AvatarChanged"></InputFile><br/>
        <LinkButton OnClick="@(() => UpdateProfile())">Update profile</LinkButton>
        <LinkButton OnClick="@(() => UpdateProfile(true))">Update profile (restore room overrides)</LinkButton>
    </div>
    @if (!string.IsNullOrWhiteSpace(Status)) {
        <p>@Status</p>
    }

    <details>
        <summary style="font-size: 1.5rem;">Room profiles<hr></summary>

        @foreach (var (roomId, roomProfile) in RoomProfiles.OrderBy(x=>RoomNames.TryGetValue(x.Key, out var _name) ? _name : x.Key)) {
            <details class="details-compact">
                <summary style="@(roomProfile.DisplayName == OldProfile.DisplayName && roomProfile.AvatarUrl == OldProfile.AvatarUrl ? "" : "#ffff0033")">@(RoomNames.TryGetValue(roomId, out var name) ? name : roomId)</summary>
                <img src="@Homeserver.ResolveMediaUri(roomProfile.AvatarUrl)" style="width: 96px; height: 96px; border-radius: 50%; object-fit: cover;"/>
                <div style="display: inline-block; vertical-align: middle;">
                    <span>Display name: </span><FancyTextBox BackgroundColor="@(roomProfile.DisplayName == OldProfile.DisplayName ? "" : "#ffff0033")" @bind-Value="@roomProfile.DisplayName"></FancyTextBox><br/>
                    <span>Avatar URL: </span><FancyTextBox BackgroundColor="@(roomProfile.AvatarUrl == OldProfile.AvatarUrl ? "" : "#ffff0033")" @bind-Value="@roomProfile.AvatarUrl"></FancyTextBox>
                    <InputFile OnChange="@(ifcea => RoomAvatarChanged(ifcea, roomId))"></InputFile><br/>
                    <LinkButton OnClick="@(() => UpdateRoomProfile(roomId))">Update profile</LinkButton>
                </div>
                <br/>
                @if (!string.IsNullOrWhiteSpace(Status)) {
                    <p>@Status</p>
                }
            </details>
            <br/>
        }
    </details>
}

@code {
    private string? _status = null;

    private AuthenticatedHomeserverGeneric? Homeserver { get; set; }
    private UserProfileResponse? NewProfile { get; set; }
    private UserProfileResponse? OldProfile { get; set; }

    private string? Status {
        get => _status;
        set { _status = value; StateHasChanged(); }
    }

    private Dictionary<string, RoomMemberEventContent> RoomProfiles { get; set; } = new();
    private Dictionary<string, string> RoomNames { get; set; } = new();

    protected override async Task OnInitializedAsync() {
        Homeserver = await MRUStorage.GetCurrentSessionOrNavigate();
        if (Homeserver is null) return;
        Status = "Loading global profile...";
        if (Homeserver.WhoAmI?.UserId is null) return;
        NewProfile = (await Homeserver.GetProfileAsync(Homeserver.WhoAmI.UserId)).DeepClone();
        OldProfile = (await Homeserver.GetProfileAsync(Homeserver.WhoAmI.UserId)).DeepClone();
        Status = "Loading room profiles...";
        var roomProfiles = Homeserver.GetRoomProfilesAsync();
        await foreach (var (roomId, roomProfile) in roomProfiles) {
            // Status = $"Got profile for {roomId}...";
            RoomProfiles[roomId] = roomProfile.DeepClone();
        }
        StateHasChanged();
        Status = "Room profiles loaded, loading room names...";

        var roomNameTasks = RoomProfiles.Keys.Select(x => Homeserver.GetRoom(x)).Select(async x => {
            var name = await x.GetNameOrFallbackAsync();
            return new KeyValuePair<string, string?>(x.RoomId, name);
        }).ToAsyncEnumerable();
        await foreach (var (roomId, roomName) in roomNameTasks) {
            // Status = $"Got room name for {roomId}: {roomName}";
            RoomNames[roomId] = roomName;
        }

        StateHasChanged();
        Status = null;

        await base.OnInitializedAsync();
    }

    private async Task AvatarChanged(InputFileChangeEventArgs arg) {
        var res = await Homeserver.UploadFile(arg.File.Name, arg.File.OpenReadStream(Int64.MaxValue), arg.File.ContentType);
        Console.WriteLine(res);
        NewProfile.AvatarUrl = res;
        StateHasChanged();
    }

    private async Task UpdateProfile(bool restoreRoomProfiles = false) {
        Status = "Busy processing global profile update, please do not leave this page...";
        StateHasChanged();
        await Homeserver.UpdateProfileAsync(NewProfile, restoreRoomProfiles);
        Status = null;
        StateHasChanged();
        await OnInitializedAsync();
    }
    private async Task RoomAvatarChanged(InputFileChangeEventArgs arg, string roomId) {
        var res = await Homeserver.UploadFile(arg.File.Name, arg.File.OpenReadStream(Int64.MaxValue), arg.File.ContentType);
        Console.WriteLine(res);
        RoomProfiles[roomId].AvatarUrl = res;
        StateHasChanged();
    }
    
    private async Task UpdateRoomProfile(string roomId) {
        Status = "Busy processing room profile update, please do not leave this page...";
        StateHasChanged();
        var room = Homeserver.GetRoom(roomId);
        await room.SendStateEventAsync("m.room.member", Homeserver.WhoAmI.UserId, RoomProfiles[roomId]);
        Status = null;
        StateHasChanged();
    }

}