use crate::{check_report_reason, Perform};
use actix_web::web::Data;
use lemmy_api_common::{
  comment::{CommentReportResponse, CreateCommentReport},
  context::LemmyContext,
  utils::{check_community_ban, get_local_user_view_from_jwt},
  websocket::{messages::SendModRoomMessage, UserOperation},
};
use lemmy_db_schema::{
  source::{
    comment_report::{CommentReport, CommentReportForm},
    local_site::LocalSite,
  },
  traits::Reportable,
};
use lemmy_db_views::structs::{CommentReportView, CommentView};
use lemmy_utils::{error::LemmyError, ConnectionId};

/// Creates a comment report and notifies the moderators of the community
#[async_trait::async_trait(?Send)]
impl Perform for CreateCommentReport {
  type Response = CommentReportResponse;

  #[tracing::instrument(skip(context, websocket_id))]
  async fn perform(
    &self,
    context: &Data<LemmyContext>,
    websocket_id: Option<ConnectionId>,
  ) -> Result<CommentReportResponse, LemmyError> {
    let data: &CreateCommentReport = self;
    let local_user_view =
      get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
    let local_site = LocalSite::read(context.pool()).await?;

    let reason = self.reason.trim();
    check_report_reason(reason, &local_site)?;

    let person_id = local_user_view.person.id;
    let comment_id = data.comment_id;
    let comment_view = CommentView::read(context.pool(), comment_id, None).await?;

    check_community_ban(person_id, comment_view.community.id, context.pool()).await?;

    let report_form = CommentReportForm {
      creator_id: person_id,
      comment_id,
      original_comment_text: comment_view.comment.content,
      reason: reason.to_owned(),
    };

    let report = CommentReport::report(context.pool(), &report_form)
      .await
      .map_err(|e| LemmyError::from_error_message(e, "couldnt_create_report"))?;

    let comment_report_view = CommentReportView::read(context.pool(), report.id, person_id).await?;

    let res = CommentReportResponse {
      comment_report_view,
    };

    context.chat_server().do_send(SendModRoomMessage {
      op: UserOperation::CreateCommentReport,
      response: res.clone(),
      community_id: comment_view.community.id,
      websocket_id,
    });

    Ok(res)
  }
}