use std::rc::Rc;use std::sync::Arc;use std::{any::Any, path::Path}; use acp_thread::AgentConnection;use agent_client_protocol as acp;use anyhow::{Context as _, Result};use collections::HashSet;use fs::Fs;use gpui::{App, AppContext as _, SharedString, Task};use project::agent_server_store::{AllAgentServersSettings, CODEX_NAME};use settings::{SettingsStore, update_settings_file}; use crate::{AgentServer, AgentServerDelegate, load_proxy_env}; #[derive(Clone)]pub struct Codex; const CODEX_API_KEY_VAR_NAME: &str = "CODEX_API_KEY";const OPEN_AI_API_KEY_VAR_NAME: &str = "OPEN_AI_API_KEY"; impl AgentServer for Codex {    fn name(&self) -> SharedString {        "Codex".into()    }     fn logo(&self) -> ui::IconName {        ui::IconName::AiOpenAi    }     fn default_mode(&self, cx: &App) -> Option<acp::SessionModeId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings.get::<AllAgentServersSettings>(None).codex.clone()        });         settings            .as_ref()            .and_then(|s| s.default_mode.clone().map(acp::SessionModeId::new))    }     fn set_default_mode(&self, mode_id: Option<acp::SessionModeId>, fs: Arc<dyn Fs>, cx: &mut App) {        update_settings_file(fs, cx, |settings, _| {            settings                .agent_servers                .get_or_insert_default()                .codex                .get_or_insert_default()                .default_mode = mode_id.map(|m| m.to_string())        });    }     fn default_model(&self, cx: &App) -> Option<acp::ModelId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings.get::<AllAgentServersSettings>(None).codex.clone()        });         settings            .as_ref()            .and_then(|s| s.default_model.clone().map(acp::ModelId::new))    }     fn set_default_model(&self, model_id: Option<acp::ModelId>, fs: Arc<dyn Fs>, cx: &mut App) {        update_settings_file(fs, cx, |settings, _| {            settings                .agent_servers                .get_or_insert_default()                .codex                .get_or_insert_default()                .default_model = model_id.map(|m| m.to_string())        });    }     fn favorite_model_ids(&self, cx: &mut App) -> HashSet<acp::ModelId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings.get::<AllAgentServersSettings>(None).codex.clone()        });         settings            .as_ref()            .map(|s| {                s.favorite_models                    .iter()                    .map(|id| acp::ModelId::new(id.clone()))                    .collect()            })            .unwrap_or_default()    }     fn toggle_favorite_model(        &self,        model_id: acp::ModelId,        should_be_favorite: bool,        fs: Arc<dyn Fs>,        cx: &App,    ) {        update_settings_file(fs, cx, move |settings, _| {            let favorite_models = &mut settings                .agent_servers                .get_or_insert_default()                .codex                .get_or_insert_default()                .favorite_models;             let model_id_str = model_id.to_string();            if should_be_favorite {                if !favorite_models.contains(&model_id_str) {                    favorite_models.push(model_id_str);                }            } else {                favorite_models.retain(|id| id != &model_id_str);            }        });    }     fn default_config_option(&self, config_id: &str, cx: &App) -> Option<String> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings.get::<AllAgentServersSettings>(None).codex.clone()        });         settings            .as_ref()            .and_then(|s| s.default_config_options.get(config_id).cloned())    }     fn set_default_config_option(        &self,        config_id: &str,        value_id: Option<&str>,        fs: Arc<dyn Fs>,        cx: &mut App,    ) {        let config_id = config_id.to_string();        let value_id = value_id.map(|s| s.to_string());        update_settings_file(fs, cx, move |settings, _| {            let config_options = &mut settings                .agent_servers                .get_or_insert_default()                .codex                .get_or_insert_default()                .default_config_options;             if let Some(value) = value_id.clone() {                config_options.insert(config_id.clone(), value);            } else {                config_options.remove(&config_id);            }        });    }     fn favorite_config_option_value_ids(        &self,        config_id: &acp::SessionConfigId,        cx: &mut App,    ) -> HashSet<acp::SessionConfigValueId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings.get::<AllAgentServersSettings>(None).codex.clone()        });         settings            .as_ref()            .and_then(|s| s.favorite_config_option_values.get(config_id.0.as_ref()))            .map(|values| {                values                    .iter()                    .cloned()                    .map(acp::SessionConfigValueId::new)                    .collect()            })            .unwrap_or_default()    }     fn toggle_favorite_config_option_value(        &self,        config_id: acp::SessionConfigId,        value_id: acp::SessionConfigValueId,        should_be_favorite: bool,        fs: Arc<dyn Fs>,        cx: &App,    ) {        let config_id = config_id.to_string();        let value_id = value_id.to_string();         update_settings_file(fs, cx, move |settings, _| {            let favorites = &mut settings                .agent_servers                .get_or_insert_default()                .codex                .get_or_insert_default()                .favorite_config_option_values;             let entry = favorites.entry(config_id.clone()).or_insert_with(Vec::new);             if should_be_favorite {                if !entry.iter().any(|v| v == &value_id) {                    entry.push(value_id.clone());                }            } else {                entry.retain(|v| v != &value_id);                if entry.is_empty() {                    favorites.remove(&config_id);                }            }        });    }     fn connect(        &self,        root_dir: Option<&Path>,        delegate: AgentServerDelegate,        cx: &mut App,    ) -> Task<Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {        let name = self.name();        let root_dir = root_dir.map(|root_dir| root_dir.to_string_lossy().into_owned());        let is_remote = delegate.project.read(cx).is_via_remote_server();        let store = delegate.store.downgrade();        let mut extra_env = load_proxy_env(cx);        let default_mode = self.default_mode(cx);        let default_model = self.default_model(cx);        let default_config_options = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .codex                .as_ref()                .map(|s| s.default_config_options.clone())                .unwrap_or_default()        });        if let Ok(api_key) = std::env::var(CODEX_API_KEY_VAR_NAME) {            extra_env.insert(CODEX_API_KEY_VAR_NAME.into(), api_key);        }        if let Ok(api_key) = std::env::var(OPEN_AI_API_KEY_VAR_NAME) {            extra_env.insert(OPEN_AI_API_KEY_VAR_NAME.into(), api_key);        }         cx.spawn(async move |cx| {            let (command, root_dir, login) = store                .update(cx, |store, cx| {                    let agent = store                        .get_external_agent(&CODEX_NAME.into())                        .context("Codex is not registered")?;                    anyhow::Ok(agent.get_command(                        root_dir.as_deref(),                        extra_env,                        delegate.status_tx,                        delegate.new_version_available,                        &mut cx.to_async(),                    ))                })??                .await?;             let connection = crate::acp::connect(                name,                command,                root_dir.as_ref(),                default_mode,                default_model,                default_config_options,                is_remote,                cx,            )            .await?;            Ok((connection, login))        })    }     fn into_any(self: Rc<Self>) -> Rc<dyn Any> {        self    }} #[cfg(test)]pub(crate) mod tests {    use super::*;     crate::common_e2e_tests!(async |_, _| Codex, allow_option_id = "proceed_once");}