timewall 1.4.0

All-in-one tool for Apple dynamic HEIF wallpapers on GNU/Linux
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use crate::{cli::Appearance, wallpaper::properties::PropertiesAppearance};

#[allow(clippy::cast_sign_loss)]
pub const fn current_image_index_appearance(
    properties: &PropertiesAppearance,
    user_appearance: Option<Appearance>,
) -> usize {
    match user_appearance {
        Some(Appearance::Light) | None => properties.light as usize,
        Some(Appearance::Dark) => properties.dark as usize,
    }
}

#[allow(clippy::cast_sign_loss)]
pub fn get_image_index_order_appearance(properties: &PropertiesAppearance) -> Vec<usize> {
    vec![properties.light as usize, properties.dark as usize]
}

#[cfg(test)]
mod tests {
    use rstest::*;

    use super::*;

    #[fixture]
    fn properties() -> PropertiesAppearance {
        PropertiesAppearance {
            dark: 69,
            light: 420,
        }
    }

    #[rstest]
    #[case(Some(Appearance::Light), 420)]
    #[case(Some(Appearance::Dark), 69)]
    #[case(None, 420)]
    fn test_current_image_appearance(
        properties: PropertiesAppearance,
        #[case] user_appearance: Option<Appearance>,
        #[case] expected_index: usize,
    ) {
        let result = current_image_index_appearance(&properties, user_appearance);
        assert_eq!(result, expected_index);
    }

    #[rstest]
    fn test_get_image_index_order_h24(properties: PropertiesAppearance) {
        let result = get_image_index_order_appearance(&properties);
        assert_eq!(result, &[420, 69]);
    }
}