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use std::{
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    borrow::Cow,
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    fmt::{Display, Write},
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};
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use serde::{Deserialize, Serialize};

            

        

            

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/// An action that can be allowed or disallowed.

            

        

            

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pub trait Action: Send + Sync {

            

        

            

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    /// The full name of this action.

            

        

            

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    fn name(&self) -> ActionName;

            

        

            

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}

            

        

            

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impl Action for () {

            

        

            

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    fn name(&self) -> ActionName {

            

        

            

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        ActionName::default()

            

        

            

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    }

            

        

            

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}

            

        

            

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impl Action for ActionName {

            

        

            

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    fn name(&self) -> ActionName {

            

        

            

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        self.clone()

            

        

            

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    }

            

        

            

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}

            

        

            

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/// A unique name of an action.

            

        

            

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#[derive(Default, Debug, Clone, Serialize, Deserialize)]

            

        

            

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#[allow(clippy::module_name_repetitions)] // exported without the module name

            

        

            

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pub struct ActionName(pub Vec<Cow<'static, str>>);

            

        

            

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impl Display for ActionName {

            

        

            

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    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {

            

        

            

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        for (index, name) in self.0.iter().enumerate() {

            

        

            

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            if index > 0 {

            

        

            

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                f.write_char('.')?;

            

        

            

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            }

            

        

            

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            name.fmt(f)?;

            

        

            

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        }

            

        

            

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        Ok(())

            

        

            

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    }

            

        

            

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}

            

        

            

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pub use actionable_macros::Action;