//! Windows resolver: each role maps to a Segoe Fluent Icons codepoint,
//! rendered as text in the system font (never bundled).

use crate::IconRole;

/// The Segoe Fluent Icons glyph for the role.
pub(crate) fn glyph(role: IconRole) -> Option<&'static str> {
    let glyph = match role {
        IconRole::Check => "\u{E73E}",          // CheckMark
        IconRole::Close => "\u{E8BB}",          // ChromeClose
        IconRole::ChevronDown => "\u{E70D}",    // ChevronDown
        IconRole::ChevronLeft => "\u{E76B}",    // ChevronLeft
        IconRole::ChevronRight => "\u{E76C}",   // ChevronRight
        IconRole::ChevronUp => "\u{E70E}",      // ChevronUp
        IconRole::Plus => "\u{E710}",           // Add
        IconRole::Minus => "\u{E738}",          // Remove
        IconRole::Search => "\u{E721}",         // Search
        IconRole::Folder => "\u{E8B7}",         // Folder
        IconRole::Warning => "\u{E7BA}",        // Warning
        IconRole::Info => "\u{E946}",           // Info
        IconRole::Copy => "\u{E8C8}",           // Copy
        IconRole::Eye => "\u{E7B3}",            // RedEye
        IconRole::EyeOff => "\u{ED1A}",         // Hide
        IconRole::PanelLeft => "\u{E90C}",      // DockLeft
        IconRole::PanelRight => "\u{E90D}",     // DockRight
        IconRole::WindowMinimize => "\u{E921}", // ChromeMinimize
        IconRole::WindowMaximize => "\u{E922}", // ChromeMaximize
        IconRole::WindowRestore => "\u{E923}",  // ChromeRestore
        IconRole::Microphone => "\u{E720}",     // Microphone
        IconRole::Stop => "\u{E71A}",           // Stop
        // No Segoe spinner glyph, the icon falls back to the bundled SVG.
        IconRole::Loader => return None,
    };
    Some(glyph)
}

/// The system font the codepoints resolve against (Windows 11+).
pub(crate) const FONT_FAMILY: &str = "Segoe Fluent Icons";

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

    #[test]
    fn every_role_maps_a_codepoint_or_falls_back_to_the_bundled_svg() {
        for role in crate::IconRole::all() {
            assert!(
                glyph(*role).is_some() || crate::asset_bytes(role.asset_path()).is_some(),
                "no Segoe codepoint or bundled asset for {role:?}"
            );
        }
    }
}