using WPFluent.Appearance;

namespace WPFluent;

/// <summary>
/// Represents a contract with a service that provides tools for manipulating the theme.
/// </summary>
public interface IThemeService
{
    /// <summary>
    /// Gets current system theme.
    /// </summary>
    /// <returns>Currently set Windows theme using system enumeration.</returns>
    SystemTheme GetNativeSystemTheme();

    /// <summary>
    /// Gets current system theme.
    /// </summary>
    /// <returns>Currently set Windows theme.</returns>
    ApplicationTheme GetSystemTheme();

    /// <summary>
    /// Gets current application theme.
    /// </summary>
    /// <returns>Currently set application theme.</returns>
    ApplicationTheme GetTheme();

    /// <summary>
    /// Sets current application accent.
    /// </summary>
    /// <returns><see langword="true"/> if the operation succeeds. <see langword="false"/> otherwise.</returns>
    bool SetAccent(Color accentColor);

    /// <summary>
    /// Sets current application accent.
    /// </summary>
    /// <returns><see langword="true"/> if the operation succeeds. <see langword="false"/> otherwise.</returns>
    bool SetAccent(SolidColorBrush accentSolidBrush);

    /// <summary>
    /// Sets currently used Windows OS accent.
    /// </summary>
    /// <returns><see langword="true"/> if the operation succeeds. <see langword="false"/> otherwise.</returns>
    bool SetSystemAccent();

    /// <summary>
    /// Sets current application theme.
    /// </summary>
    /// <param name="applicationTheme">Theme type to set.</param>
    /// <returns><see langword="true"/> if the operation succeeds. <see langword="false"/> otherwise.</returns>
    bool SetTheme(ApplicationTheme applicationTheme);
}