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use sqlx::sqlite::SqlitePool;

use super::repo::Provider as _;

#[cfg(test)]
use super::{Login, Password};
#[cfg(test)]
use crate::{
    clock::DateTime,
    event::{repo::Provider as _, Broadcaster, Event},
    name::Name,
};

pub struct Logins<'a> {
    db: &'a SqlitePool,
    #[cfg(test)]
    events: &'a Broadcaster,
}

impl<'a> Logins<'a> {
    #[cfg(not(test))]
    pub const fn new(db: &'a SqlitePool) -> Self {
        Self { db }
    }

    #[cfg(test)]
    pub const fn new(db: &'a SqlitePool, events: &'a Broadcaster) -> Self {
        Self { db, events }
    }

    #[cfg(test)]
    pub async fn create(
        &self,
        name: &Name,
        password: &Password,
        created_at: &DateTime,
    ) -> Result<Login, CreateError> {
        let password_hash = password.hash()?;

        let mut tx = self.db.begin().await?;
        let created = tx.sequence().next(created_at).await?;
        let login = tx.logins().create(name, &password_hash, &created).await?;
        tx.commit().await?;

        self.events
            .broadcast(login.events().map(Event::from).collect::<Vec<_>>());

        Ok(login.as_created())
    }

    pub async fn recanonicalize(&self) -> Result<(), sqlx::Error> {
        let mut tx = self.db.begin().await?;
        tx.logins().recanonicalize().await?;
        tx.commit().await?;

        Ok(())
    }
}

#[derive(Debug, thiserror::Error)]
#[error(transparent)]
pub enum CreateError {
    Database(#[from] sqlx::Error),
    PasswordHash(#[from] password_hash::Error),
}