// rocie - An enterprise grocery management system
//
// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of Rocie.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.

use crate::{
    app::App,
    storage::sql::user::{PasswordHash, User, UserId},
};

use sqlx::query;

impl User {
    pub(crate) async fn get_all(app: &App) -> Result<Vec<Self>, get_all::Error> {
        let records = query!(
            "
        SELECT id, name, password_hash, description
        FROM users
"
        )
        .fetch_all(&app.db)
        .await?;

        Ok(records
            .into_iter()
            .map(|record| Self {
                id: UserId::from_db(&record.id),
                name: record.name,
                password_hash: PasswordHash::from_db(record.password_hash),
                description: record.description,
            })
            .collect())
    }

    pub(crate) async fn from_id(app: &App, id: UserId) -> Result<Option<Self>, from_id::Error> {
        let record = query!(
            "
        SELECT name, password_hash, description
        FROM users
        WHERE id = ?
",
            id
        )
        .fetch_optional(&app.db)
        .await?;

        if let Some(record) = record {
            Ok(Some(Self {
                name: record.name,
                description: record.description,
                id,
                password_hash: PasswordHash::from_db(record.password_hash),
            }))
        } else {
            Ok(None)
        }
    }

    pub(crate) async fn from_name(
        app: &App,
        name: String,
    ) -> Result<Option<Self>, from_name::Error> {
        let record = query!(
            "
        SELECT id, name, password_hash, description
        FROM users
        WHERE name = ?
",
            name
        )
        .fetch_optional(&app.db)
        .await?;

        if let Some(record) = record {
            Ok(Some(Self {
                name: record.name,
                description: record.description,
                id: UserId::from_db(&record.id),
                password_hash: PasswordHash::from_db(record.password_hash),
            }))
        } else {
            Ok(None)
        }
    }
}

pub(crate) mod get_all {
    use actix_web::ResponseError;

    #[derive(thiserror::Error, Debug)]
    pub(crate) enum Error {
        #[error("Failed to execute the sql query")]
        SqlError(#[from] sqlx::Error),
    }

    impl ResponseError for Error {}
}

pub(crate) mod from_id {
    use actix_web::ResponseError;

    #[derive(thiserror::Error, Debug)]
    pub(crate) enum Error {
        #[error("Failed to execute the sql query")]
        SqlError(#[from] sqlx::Error),
    }

    impl ResponseError for Error {}
}

pub(crate) mod from_name {
    use actix_web::ResponseError;

    #[derive(thiserror::Error, Debug)]
    pub(crate) enum Error {
        #[error("Failed to execute the sql query")]
        SqlError(#[from] sqlx::Error),
    }

    impl ResponseError for Error {}
}