use sqlite::{Error, Transaction};

pub struct Table {
    pub id: i64,
    // pub app_id: i64, not in use
}

pub struct Database {
    // nothing yet..
}

impl Database {
    pub fn new() -> Self {
        Self {}
    }

    pub fn init(tx: &Transaction) -> Result<usize, Error> {
        tx.execute(
            "CREATE TABLE IF NOT EXISTS `app_browser`
            (
                `id`     INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                `app_id` INTEGER NOT NULL
            )",
            [],
        )
    }

    pub fn add(&self, tx: &Transaction, app_id: &i64) -> Result<usize, Error> {
        tx.execute("INSERT INTO `app_browser` (`app_id`) VALUES (?)", [app_id])
    }

    pub fn records(&self, tx: &Transaction, app_id: &i64) -> Result<Vec<Table>, Error> {
        let mut stmt = tx.prepare("SELECT `id`, `app_id` FROM `app_browser` WHERE `app_id` = ?")?;

        let result = stmt.query_map([app_id], |row| {
            Ok(Table {
                id: row.get(0)?,
                // app_id: row.get(1)?, not in use
            })
        })?;

        let mut records = Vec::new();

        for record in result {
            let table = record?;
            records.push(table);
        }

        Ok(records)
    }

    pub fn delete(&self, tx: &Transaction, id: &i64) -> Result<usize, Error> {
        tx.execute("DELETE FROM `app_browser` WHERE `id` = ?", [id])
    }

    pub fn last_insert_id(&self, tx: &Transaction) -> i64 {
        tx.last_insert_rowid()
    }
}