use db::conn::sea_orm::*;
use time::OffsetDateTime;
use uuid::Uuid;

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

use super::super::{CommentView, UpdateCommentOption};
use super::helpers::{load_comment, require_authenticated};

pub async fn update_comment(
    svc: &IssueService,
    actor: Uuid,
    channel_id: Uuid,
    issue_id: Uuid,
    comment_id: Uuid,
    input: UpdateCommentOption,
) -> IssueResult<CommentView> {
    require_authenticated(actor)?;
    let cur = load_comment(svc, channel_id, issue_id, comment_id).await?;
    if cur.poster_id != actor {
        return Err(IssueError::Forbidden(
            "only the poster can edit the comment".into(),
        ));
    }
    if input.content.trim().is_empty() || input.content.len() > svc.config.max_comment_len {
        return Err(IssueError::BadRequest(format!(
            "comment length must be in 1..={}",
            svc.config.max_comment_len
        )));
    }
    let db = svc.db.writer();
    let mut active: db::issue::comment::ActiveModel = cur.into();
    active.content = Set(input.content);
    active.updated_at = Set(Some(OffsetDateTime::now_utc()));
    let saved = active.update(&db).await?;
    Ok(CommentView::from(saved))
}