use db::conn::sea_orm::*;
use db::issue::stopwatch as sw_entity;
use time::OffsetDateTime;
use uuid::Uuid;

use crate::error::{IssueError, IssueResult};
use crate::features::IssueService;

use super::super::StopwatchView;
use super::helpers::require_authenticated;

pub async fn start_watch(
    svc: &IssueService,
    actor: Uuid,
    channel_id: Uuid,
    issue_id: Uuid,
) -> IssueResult<StopwatchView> {
    require_authenticated(actor)?;
    crate::features::issue::usecase::load_issue(svc, channel_id, issue_id).await?;
    let db = svc.db.reader();
    let existing = sw_entity::Entity::find()
        .filter(sw_entity::COLUMN.issue_id.eq(issue_id))
        .filter(sw_entity::COLUMN.user_id.eq(actor))
        .one(&db)
        .await?;
    if existing.is_some() {
        return Err(IssueError::Conflict(
            "stopwatch already running for this issue".into(),
        ));
    }
    let db = svc.db.writer();
    let now = OffsetDateTime::now_utc();
    let id = Uuid::new_v4();
    let active: sw_entity::ActiveModel = sw_entity::ActiveModel::builder()
        .set_id(id)
        .set_issue_id(issue_id)
        .set_user_id(actor)
        .set_started_at(now)
        .set_created_at(now)
        .into();
    let saved = active.insert(&db).await?;
    Ok(StopwatchView::from(saved))
}