using Penumbra.Api.Enums;

namespace Penumbra.Api.Api;

/// <summary> API methods pertaining to Penumbras UI. </summary>
public interface IPenumbraApiUi
{
    /// <summary>
    /// Triggered when the user hovers over a listed changed object in a mod tab.<para />
    /// Can be used to append tooltips.
    /// </summary>
    /// <returns> The type of the changed item and its ID if known. </returns>
    public event Action<ChangedItemType, uint>? ChangedItemTooltip;

    /// <summary>
    /// Triggered when the user clicks a listed changed object in a mod tab.
    /// </summary>
    /// <returns> The mouse button clicked, the type of the changed item and its ID if known. </returns>
    public event Action<MouseButton, ChangedItemType, uint>? ChangedItemClicked;

    /// <summary>
    /// Triggered before the settings tab bar for a mod is drawn, after the title group is drawn.
    /// </summary>
    /// <returns>The directory name of the currently selected mod, the total used width of the title bar and the width of the title box.</returns>
    public event Action<string, float, float>? PreSettingsTabBarDraw;

    /// <summary>
    /// Triggered before the content of a mod settings panel is drawn.
    /// </summary>
    /// <returns>The directory name of the currently selected mod.</returns>
    public event Action<string>? PreSettingsPanelDraw;

    /// <summary>
    /// Triggered after the Enabled Checkbox line in settings is drawn, but before options are drawn.
    /// </summary>
    /// <returns>The directory name of the currently selected mod.</returns>
    public event Action<string>? PostEnabledDraw;

    /// <summary>
    /// Triggered after the content of a mod settings panel is drawn, but still in the child window.
    /// </summary>
    /// <returns>The directory name of the currently selected mod.</returns>
    public event Action<string>? PostSettingsPanelDraw;

    /// <summary>
    /// Open the Penumbra main config window.
    /// </summary>
    /// <param name="tab">Open the window at a specific tab. Use TabType.None to not change the tab. </param>
    /// <param name="modDirectory">Select a mod specified via its directory name in the mod tab, empty if none.</param>
    /// <param name="modName">Select a mod specified via its mod name in the mod tab, empty if none.</param>
    /// <returns>InvalidArgument if <paramref name="tab"/> is invalid,
    /// ModMissing if <paramref name="modDirectory"/> or <paramref name="modName"/> are set non-empty and the mod does not exist,
    /// Success otherwise.</returns>
    /// <remarks>If <paramref name="tab"/> is not TabType.Mods, the mod will not be selected regardless of other parameters and ModMissing will not be returned.</remarks>
    public PenumbraApiEc OpenMainWindow(TabType tab, string modDirectory, string modName);

    /// <summary> Close the Penumbra main config window. </summary>
    public void CloseMainWindow();
}