use std::path::PathBuf;

#[derive(Debug, Default)]
pub struct FileStore {
    files: Vec<SourceFile>,
}

impl FileStore {
    pub fn add(&mut self, file: SourceFile) -> FileId {
        let id = FileId(self.files.len());
        self.files.push(file);
        id
    }

    pub fn get(&self, id: FileId) -> &SourceFile {
        &self.files[id.0]
    }
}

impl From<Vec<SourceFile>> for FileStore {
    fn from(files: Vec<SourceFile>) -> Self {
        Self { files }
    }
}

#[derive(Debug)]
pub struct SourceFile {
    pub path: PathBuf,
    pub source: String,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, serde::Serialize)]
pub struct FileId(usize);