import Elementary

/// A chip stating a grade, condition, or status.
struct Chip: HTML {

    // MARK: Properties

    /// Whether the chip leads with a check mark, for a grade a grading company certified.
    let isCertified: Bool

    /// The chip's text.
    let label: String

    /// The chip's colouring.
    let tone: Tone

    // MARK: Initializers

    /// Creates a chip.
    /// - Parameters:
    ///   - label: the chip's text.
    ///   - tone: the chip's colouring; neutral by default.
    ///   - isCertified: whether the chip leads with a check mark; `false` by default.
    init(
        _ label: String,
        tone: Tone = .neutral,
        isCertified: Bool = false
    ) {
        self.isCertified = isCertified
        self.label = label
        self.tone = tone
    }

    // MARK: Computed

    var body: some HTML {
        span(.class(tone.className)) {
            if isCertified {
                Icon(.check, size: 10)
            }
            label
        }
    }

}

// MARK: - Enumerations

extension Chip {
    /// A chip's colouring.
    enum Tone: String, Sendable {
        case bad
        case good
        case neutral
        case warn

        /// The chip's classes for the tone.
        var className: String {
            self == .neutral ? "chip" : "chip chip--\(rawValue)"
        }
    }
}