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use crate::{c, to_cstring, Context};
use std::ffi::c_void;
use std::path::Path;
use std::ptr;

impl Context {
    /// Adds a fake plugin to the plugin list. Useful for scripting enablement plugins, like the
    /// Lua plugin. You don't need to use this to add your crate-registered plugin, and please
    /// don't. Returns a corresponding object suitable for passing to `remove_fake_plugin`.
    pub fn add_fake_plugin(
        &self,
        path: impl AsRef<Path>,
        name: &str,
        description: &str,
        version: &str,
    ) -> FakePlugin {
        let path = to_cstring(&path.as_ref().to_string_lossy());
        let name = to_cstring(name);
        let description = to_cstring(description);
        let version = to_cstring(version);
        let handle = unsafe {
            c!(
                hexchat_plugingui_add,
                self.handle,
                path.as_ptr(),
                name.as_ptr(),
                description.as_ptr(),
                version.as_ptr(),
                ptr::null(),
            )
        };
        FakePlugin { handle }
    }
    /// Removes a fake plugin entry from the plugin list added by `add_fake_plugin`. In case you
    /// missed it the first time around, please do not add your crate-registered plugin to this
    /// list.
    #[allow(clippy::needless_pass_by_value)]
    pub fn remove_fake_plugin(&self, plugin: FakePlugin) {
        unsafe { c!(hexchat_plugingui_remove, self.handle, plugin.handle) }
    }
}

/// A handle to a fake plugin entry in the plugin list.
///
/// In case you missed it from the
/// `Context::add_fake_plugin` documentation, please do not add your crate-registered plugin to this
/// list.
pub struct FakePlugin {
    handle: *mut c_void,
}