use super::*;

#[derive(Clone)]
pub(crate) struct FeedbackRequestProcessor {
    auth_manager: Arc<AuthManager>,
    thread_manager: Arc<ThreadManager>,
    config: Arc<Config>,
    feedback: CodexFeedback,
    log_db: Option<LogDbLayer>,
    state_db: Option<StateDbHandle>,
}

impl FeedbackRequestProcessor {
    pub(crate) fn new(
        auth_manager: Arc<AuthManager>,
        thread_manager: Arc<ThreadManager>,
        config: Arc<Config>,
        feedback: CodexFeedback,
        log_db: Option<LogDbLayer>,
        state_db: Option<StateDbHandle>,
    ) -> Self {
        Self {
            auth_manager,
            thread_manager,
            config,
            feedback,
            log_db,
            state_db,
        }
    }

    pub(crate) async fn feedback_upload(
        &self,
        params: FeedbackUploadParams,
    ) -> Result<Option<ClientResponsePayload>, JSONRPCErrorError> {
        self.upload_feedback_response(params)
            .await
            .map(|response| Some(response.into()))
    }

    async fn upload_feedback_response(
        &self,
        params: FeedbackUploadParams,
    ) -> Result<FeedbackUploadResponse, JSONRPCErrorError> {
        if !self.config.feedback_enabled {
            return Err(invalid_request(
                "sending feedback is disabled by configuration",
            ));
        }

        let FeedbackUploadParams {
            classification,
            reason,
            thread_id,
            include_logs,
            extra_log_files,
            tags,
        } = params;

        let conversation_id = match thread_id.as_deref() {
            Some(thread_id) => match ThreadId::from_string(thread_id) {
                Ok(conversation_id) => Some(conversation_id),
                Err(err) => return Err(invalid_request(format!("invalid thread id: {err}"))),
            },
            None => None,
        };

        if let Some(chatgpt_user_id) = self
            .auth_manager
            .auth_cached()
            .and_then(|auth| auth.get_chatgpt_user_id())
        {
            tracing::info!(target: "feedback_tags", chatgpt_user_id);
        }
        if let Some(account_id) = self
            .auth_manager
            .auth_cached()
            .and_then(|auth| auth.get_account_id())
        {
            tracing::info!(target: "feedback_tags", account_id);
        }
        let snapshot = self.feedback.snapshot(conversation_id);
        let thread_id = snapshot.thread_id.clone();
        let (feedback_thread_ids, sqlite_feedback_logs, state_db_ctx) = if include_logs {
            if let Some(log_db) = self.log_db.as_ref() {
                log_db.flush().await;
            }
            let state_db_ctx = self.state_db.clone();
            let feedback_thread_ids = match conversation_id {
                Some(conversation_id) => match self
                    .thread_manager
                    .list_agent_subtree_thread_ids(conversation_id)
                    .await
                {
                    Ok(thread_ids) => thread_ids,
                    Err(err) => {
                        warn!(
                            "failed to list feedback subtree for thread_id={conversation_id}: {err}"
                        );
                        let mut thread_ids = vec![conversation_id];
                        if let Some(state_db_ctx) = state_db_ctx.as_ref() {
                            for status in [
                                codex_state::DirectionalThreadSpawnEdgeStatus::Open,
                                codex_state::DirectionalThreadSpawnEdgeStatus::Closed,
                            ] {
                                match state_db_ctx
                                    .list_thread_spawn_descendants_with_status(
                                        conversation_id,
                                        status,
                                    )
                                    .await
                                {
                                    Ok(descendant_ids) => thread_ids.extend(descendant_ids),
                                    Err(err) => warn!(
                                        "failed to list persisted feedback subtree for thread_id={conversation_id}: {err}"
                                    ),
                                }
                            }
                        }
                        thread_ids
                    }
                },
                None => Vec::new(),
            };
            let sqlite_feedback_logs = if let Some(state_db_ctx) = state_db_ctx.as_ref()
                && !feedback_thread_ids.is_empty()
            {
                let thread_id_texts = feedback_thread_ids
                    .iter()
                    .map(ToString::to_string)
                    .collect::<Vec<_>>();
                let thread_id_refs = thread_id_texts
                    .iter()
                    .map(String::as_str)
                    .collect::<Vec<_>>();
                match state_db_ctx
                    .query_feedback_logs_for_threads(&thread_id_refs)
                    .await
                {
                    Ok(logs) if logs.is_empty() => None,
                    Ok(logs) => Some(logs),
                    Err(err) => {
                        let thread_ids = thread_id_texts.join(", ");
                        warn!(
                            "failed to query feedback logs from sqlite for thread_ids=[{thread_ids}]: {err}"
                        );
                        None
                    }
                }
            } else {
                None
            };
            (feedback_thread_ids, sqlite_feedback_logs, state_db_ctx)
        } else {
            (Vec::new(), None, None)
        };

        let mut attachment_paths = Vec::new();
        let mut seen_attachment_paths = HashSet::new();
        if include_logs {
            for feedback_thread_id in &feedback_thread_ids {
                let Some(rollout_path) = self
                    .resolve_rollout_path(*feedback_thread_id, state_db_ctx.as_ref())
                    .await
                else {
                    continue;
                };
                if seen_attachment_paths.insert(rollout_path.clone()) {
                    attachment_paths.push(FeedbackAttachmentPath {
                        path: rollout_path,
                        attachment_filename_override: None,
                    });
                }
            }
            if let Some(conversation_id) = conversation_id
                && let Ok(conversation) = self.thread_manager.get_thread(conversation_id).await
                && let Some(guardian_rollout_path) =
                    conversation.guardian_trunk_rollout_path().await
                && seen_attachment_paths.insert(guardian_rollout_path.clone())
            {
                attachment_paths.push(FeedbackAttachmentPath {
                    path: guardian_rollout_path,
                    attachment_filename_override: Some(auto_review_rollout_filename(
                        conversation_id,
                    )),
                });
            }
        }
        if let Some(extra_log_files) = extra_log_files {
            for extra_log_file in extra_log_files {
                if seen_attachment_paths.insert(extra_log_file.clone()) {
                    attachment_paths.push(FeedbackAttachmentPath {
                        path: extra_log_file,
                        attachment_filename_override: None,
                    });
                }
            }
        }

        let session_source = self.thread_manager.session_source();

        let upload_result = tokio::task::spawn_blocking(move || {
            snapshot.upload_feedback(FeedbackUploadOptions {
                classification: &classification,
                reason: reason.as_deref(),
                tags: tags.as_ref(),
                include_logs,
                extra_attachment_paths: &attachment_paths,
                session_source: Some(session_source),
                logs_override: sqlite_feedback_logs,
            })
        })
        .await;

        let upload_result = match upload_result {
            Ok(result) => result,
            Err(join_err) => {
                return Err(internal_error(format!(
                    "failed to upload feedback: {join_err}"
                )));
            }
        };

        upload_result.map_err(|err| internal_error(format!("failed to upload feedback: {err}")))?;
        Ok(FeedbackUploadResponse { thread_id })
    }

    async fn resolve_rollout_path(
        &self,
        conversation_id: ThreadId,
        state_db_ctx: Option<&StateDbHandle>,
    ) -> Option<PathBuf> {
        if let Ok(conversation) = self.thread_manager.get_thread(conversation_id).await
            && let Some(rollout_path) = conversation.rollout_path()
        {
            return Some(rollout_path);
        }

        let state_db_ctx = state_db_ctx?;
        state_db_ctx
            .find_rollout_path_by_id(conversation_id, /*archived_only*/ None)
            .await
            .unwrap_or_else(|err| {
                warn!("failed to resolve rollout path for thread_id={conversation_id}: {err}");
                None
            })
    }
}

fn auto_review_rollout_filename(thread_id: ThreadId) -> String {
    format!("auto-review-rollout-{thread_id}.jsonl")
}
