using Content.Client.UserInterface.Controls;
using Content.Shared._DV.CCVars;
using Content.Shared.Mind;
using Robust.Client.AutoGenerated;
using Robust.Client.Player;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Configuration;
using Robust.Shared.Utility;

namespace Content.Client._DV.CustomObjectiveSummary;

[GenerateTypedNameReferences]
public sealed partial class CustomObjectiveSummaryWindow : FancyWindow
{
    [Dependency] private readonly IPlayerManager _players = default!;
    [Dependency] private readonly IEntityManager _entity = default!;
    [Dependency] private readonly IConfigurationManager _cfg = default!;

    private SharedMindSystem? _mind;

    // Maximum length the summary can be in characters.
    private int _maxLengthSummaryLength;

    public event Action<string>? OnSubmitted;

    public CustomObjectiveSummaryWindow()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);

        _cfg.OnValueChanged(DCCVars.MaxObjectiveSummaryLength, len =>
        {
            _maxLengthSummaryLength = len;
            UpdateWordCount();
        },
        invokeImmediately: true);

        SubmitButton.OnPressed +=
            _ => OnSubmitted?.Invoke(Rope.Collapse(ObjectiveSummaryTextEdit.TextRope));
        ObjectiveSummaryTextEdit.OnTextChanged += _ => UpdateWordCount();

        _mind ??= _entity.System<SharedMindSystem>();

        _mind.TryGetMind(_players.LocalSession, out var mindUid, out _);

        // This is only for if you quit the server then rejoin.
        if (_entity.TryGetComponent<Shared._DV.CustomObjectiveSummary.CustomObjectiveSummaryComponent>(mindUid, out var summary))
            ObjectiveSummaryTextEdit.TextRope = new Rope.Leaf(summary.ObjectiveSummary);

        UpdateWordCount();
    }

    private void UpdateWordCount()
    {
        var textLength = ObjectiveSummaryTextEdit.TextLength;
        var overMax = textLength > _maxLengthSummaryLength;

        // Disable the button if it's over the max length.
        SubmitButton.Disabled = overMax;
        CharacterLimitLabel.Text = textLength + "/" + _maxLengthSummaryLength;

        CharacterLimitLabel.FontColorOverride = overMax ? Color.Red : null;
        PlaceholderText.Visible = textLength == 0;
    }
}