use rusqlite::{Connection, Row};

use super::{
    error::DataStoreError,
    pagination::{Pagination, SortOrder},
};

#[derive(Debug)]
pub struct Author {
    pub id: i32,
    pub name: String,
    pub sort: String,
}

impl Author {
    fn from_row(row: &Row<'_>) -> Result<Self, rusqlite::Error> {
        Ok(Self {
            id: row.get(0)?,
            name: row.get(1)?,
            sort: row.get(2)?,
        })
    }

    pub fn authors(
        conn: &Connection,
        limit: u64,
        cursor: Option<&str>,
        sort_order: SortOrder,
    ) -> Result<Vec<Author>, DataStoreError> {
        let pagination = Pagination::new("sort", cursor, limit, sort_order);
        pagination.paginate(
            conn,
            "SELECT id, name, sort FROM authors",
            &[],
            Self::from_row,
        )
    }
}