use mysql::{params, prelude::Queryable};

use crate::{
    database::db::Db,
    entity::job::{Job, JobLog},
};

#[derive(Debug)]
pub struct JobRepo {
    db: Db,
}

impl JobRepo {
    pub fn new(db: Db) -> Self {
        Self { db }
    }

    pub fn find_by_id(&mut self, job_id: &usize) -> Result<Vec<Job>, mysql::Error> {
        let mut connection: mysql::PooledConn = self.db.get_connection()?;
        let stat = connection
            .prep(
                "SELECT 
                    jm.file_name, jm.description 
                FROM jobs j
                JOIN global_data.job_modules jm ON jm.job_module_id = j.job_module_id
                WHERE
                j.job_id = :job_id
            ",
            )
            .unwrap();

        connection.exec_map(
            stat,
            params! {"job_id" => job_id},
            |(file_name, description)| Job {
                file_name,
                description,
            },
        )
    }

    pub fn find_log(&mut self, job_id: &usize) -> Result<Vec<JobLog>, mysql::Error> {
        let mut connection: mysql::PooledConn = self.db.get_connection()?;
        let stat = connection
            .prep(
                "
                SELECT jea.content, jea.upd_ts
                FROM jobs j
                JOIN job_events je on j.job_id = je.job_id AND je.m_id = j.m_id
                JOIN job_event_attachments jea ON je.job_event_id = jea.job_event_id
                WHERE
                    j.job_id = :job_id
            ",
            )
            .unwrap();

        connection.exec_map(stat, params! {"job_id" => job_id}, |(content, upd_ts)| {
            JobLog { content, upd_ts }
        })
    }
}