@using Sandbox.UI
@using System
@using System.Linq

@namespace HC3.UI

<root>
    <div class="thoughts">
        @foreach (var thought in Agent.Thoughts.GetAll())
        {
            <div class="thought gap @GetThoughtClasses(thought)" onclick=@(() => OnThoughtClicked(thought)) tooltip=@GetThoughtTooltip(thought)>
                <div class="time">@FormatTime(thought.TimeStamp)</div>
                <div class="message">@thought.Message</div>

                <div class="grow"/>

                @if ( thought.Tags.Any() )
                {
                    <div class="tags">
                        @foreach ( var tag in thought.Tags.Where( ValidTag ) )
                        {
                            <span class="tag">@tag</span>
                        }
                    </div>
                }
            </div>
        }

        @if ( !Agent.Thoughts.GetAll().Any() )
        {
            <label>No thoughts to display..</label>
        }
    </div>
</root>

@code
{
    public Agent Agent { get; set; }

    protected string GetThoughtClasses(AgentThought thought)
    {
        var classes = new List<string>();

        if ( thought.Tags.Contains( "good" ) ) classes.Add( "good" );
        if ( thought.Tags.Contains( "bad" ) ) classes.Add( "bad" );

        return string.Join(" ", classes);
    }

    protected bool ValidTag( string tag )
    {
        if ( tag.Contains( "good" ) || tag.Contains( "bad" ) )
            return false;
        
        return true;
    }

    protected string FormatTime(DateTimeOffset time)
    {
        var diff = DateTimeOffset.Now - time;

        if (diff.TotalSeconds < 60)
            return $"{diff.TotalSeconds:0}s ago";

        if (diff.TotalMinutes < 60)
            return $"{diff.TotalMinutes:0}m ago";

        if (diff.TotalHours < 24)
            return $"{diff.TotalHours:0}h ago";

        return $"{diff.TotalDays:0}d ago";
    }

    private void OnThoughtClicked( AgentThought thought )
    {
        if ( thought.Location.HasValue )
        {
            CameraPanning.Instance.FrameOn( thought.Location.Value );
        }
    }

    protected string GetThoughtTooltip( AgentThought thought )
    {
        if ( thought.Location.HasValue )
        {
            return "Pan to location";
        }

        return null;
    }

    protected override int BuildHash()
    {
        return System.HashCode.Combine( Time.Now );
    }
}