use iced::{
    Background, Theme, border,
    theme::palette,
    widget::{button, container},
};

use crate::config::CORNER_RADIUS;

pub fn rounded_container(theme: &Theme) -> container::Style {
    let palette = theme.extended_palette();

    container::Style {
        background: Some(palette.background.base.color.into()),
        border: border::rounded(CORNER_RADIUS),
        ..container::Style::default()
    }
}

pub fn squared_container(theme: &Theme) -> container::Style {
    let palette = theme.extended_palette();

    container::Style {
        background: Some(palette.background.base.color.into()),
        ..container::Style::default()
    }
}

fn styled(pair: palette::Pair) -> button::Style {
    button::Style {
        background: Some(Background::Color(pair.color)),
        text_color: pair.text,
        border: border::rounded(CORNER_RADIUS),
        ..button::Style::default()
    }
}

fn disabled(style: button::Style) -> button::Style {
    button::Style {
        background: style
            .background
            .map(|background| background.scale_alpha(0.5)),
        text_color: style.text_color.scale_alpha(0.5),
        ..style
    }
}

pub fn solid(theme: &Theme, status: button::Status) -> button::Style {
    let palette = theme.extended_palette();
    let base = styled(palette.primary.strong);

    match status {
        button::Status::Active | button::Status::Pressed => base,
        button::Status::Hovered => button::Style {
            background: Some(Background::Color(palette.primary.base.color)),
            ..base
        },
        button::Status::Disabled => disabled(base),
    }
}

pub fn transparent(theme: &Theme, status: button::Status) -> button::Style {
    let palette = theme.extended_palette();
    let base = styled(palette.background.base);

    match status {
        button::Status::Active | button::Status::Pressed => base,
        button::Status::Hovered => button::Style {
            background: Some(Background::Color(palette.background.weak.color)),
            ..base
        },
        button::Status::Disabled => disabled(base),
    }
}