use seahash::SeaHasher;
use serde::{Deserialize, Serialize};
use std::hash::{Hash, Hasher};

#[derive(Clone, Debug, Eq, PartialEq)]
pub struct ClipboardItem {
    pub(crate) text: String,
    pub(crate) metadata: Option<String>,
}

impl ClipboardItem {
    pub fn new(text: String) -> Self {
        Self {
            text,
            metadata: None,
        }
    }

    pub fn with_metadata<T: Serialize>(mut self, metadata: T) -> Self {
        self.metadata = Some(serde_json::to_string(&metadata).unwrap());
        self
    }

    pub fn text(&self) -> &String {
        &self.text
    }

    pub fn metadata<T>(&self) -> Option<T>
    where
        T: for<'a> Deserialize<'a>,
    {
        self.metadata
            .as_ref()
            .and_then(|m| serde_json::from_str(m).ok())
    }

    pub(crate) fn text_hash(text: &str) -> u64 {
        let mut hasher = SeaHasher::new();
        text.hash(&mut hasher);
        hasher.finish()
    }
}