google.rs

  1use anyhow::{Context as _, Result, anyhow};
  2use collections::BTreeMap;
  3use credentials_provider::CredentialsProvider;
  4use editor::{Editor, EditorElement, EditorStyle};
  5use futures::{FutureExt, Stream, StreamExt, future::BoxFuture};
  6use google_ai::{
  7    FunctionDeclaration, GenerateContentResponse, Part, SystemInstruction, UsageMetadata,
  8};
  9use gpui::{
 10    AnyView, App, AsyncApp, Context, Entity, FontStyle, Subscription, Task, TextStyle, WhiteSpace,
 11};
 12use http_client::HttpClient;
 13use language_model::{
 14    AuthenticateError, LanguageModelCompletionError, LanguageModelCompletionEvent,
 15    LanguageModelToolChoice, LanguageModelToolSchemaFormat, LanguageModelToolUse,
 16    LanguageModelToolUseId, MessageContent, StopReason,
 17};
 18use language_model::{
 19    LanguageModel, LanguageModelId, LanguageModelName, LanguageModelProvider,
 20    LanguageModelProviderId, LanguageModelProviderName, LanguageModelProviderState,
 21    LanguageModelRequest, RateLimiter, Role,
 22};
 23use schemars::JsonSchema;
 24use serde::{Deserialize, Serialize};
 25use settings::{Settings, SettingsStore};
 26use std::pin::Pin;
 27use std::sync::{
 28    Arc,
 29    atomic::{self, AtomicU64},
 30};
 31use strum::IntoEnumIterator;
 32use theme::ThemeSettings;
 33use ui::{Icon, IconName, List, Tooltip, prelude::*};
 34use util::ResultExt;
 35
 36use crate::AllLanguageModelSettings;
 37use crate::ui::InstructionListItem;
 38
 39const PROVIDER_ID: &str = "google";
 40const PROVIDER_NAME: &str = "Google AI";
 41
 42#[derive(Default, Clone, Debug, PartialEq)]
 43pub struct GoogleSettings {
 44    pub api_url: String,
 45    pub available_models: Vec<AvailableModel>,
 46}
 47
 48#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
 49pub struct AvailableModel {
 50    name: String,
 51    display_name: Option<String>,
 52    max_tokens: usize,
 53}
 54
 55pub struct GoogleLanguageModelProvider {
 56    http_client: Arc<dyn HttpClient>,
 57    state: gpui::Entity<State>,
 58}
 59
 60pub struct State {
 61    api_key: Option<String>,
 62    api_key_from_env: bool,
 63    _subscription: Subscription,
 64}
 65
 66const GOOGLE_AI_API_KEY_VAR: &str = "GOOGLE_AI_API_KEY";
 67
 68impl State {
 69    fn is_authenticated(&self) -> bool {
 70        self.api_key.is_some()
 71    }
 72
 73    fn reset_api_key(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
 74        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 75        let api_url = AllLanguageModelSettings::get_global(cx)
 76            .google
 77            .api_url
 78            .clone();
 79        cx.spawn(async move |this, cx| {
 80            credentials_provider
 81                .delete_credentials(&api_url, &cx)
 82                .await
 83                .log_err();
 84            this.update(cx, |this, cx| {
 85                this.api_key = None;
 86                this.api_key_from_env = false;
 87                cx.notify();
 88            })
 89        })
 90    }
 91
 92    fn set_api_key(&mut self, api_key: String, cx: &mut Context<Self>) -> Task<Result<()>> {
 93        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 94        let api_url = AllLanguageModelSettings::get_global(cx)
 95            .google
 96            .api_url
 97            .clone();
 98        cx.spawn(async move |this, cx| {
 99            credentials_provider
100                .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
101                .await?;
102            this.update(cx, |this, cx| {
103                this.api_key = Some(api_key);
104                cx.notify();
105            })
106        })
107    }
108
109    fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
110        if self.is_authenticated() {
111            return Task::ready(Ok(()));
112        }
113
114        let credentials_provider = <dyn CredentialsProvider>::global(cx);
115        let api_url = AllLanguageModelSettings::get_global(cx)
116            .google
117            .api_url
118            .clone();
119
120        cx.spawn(async move |this, cx| {
121            let (api_key, from_env) = if let Ok(api_key) = std::env::var(GOOGLE_AI_API_KEY_VAR) {
122                (api_key, true)
123            } else {
124                let (_, api_key) = credentials_provider
125                    .read_credentials(&api_url, &cx)
126                    .await?
127                    .ok_or(AuthenticateError::CredentialsNotFound)?;
128                (
129                    String::from_utf8(api_key).context("invalid {PROVIDER_NAME} API key")?,
130                    false,
131                )
132            };
133
134            this.update(cx, |this, cx| {
135                this.api_key = Some(api_key);
136                this.api_key_from_env = from_env;
137                cx.notify();
138            })?;
139
140            Ok(())
141        })
142    }
143}
144
145impl GoogleLanguageModelProvider {
146    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
147        let state = cx.new(|cx| State {
148            api_key: None,
149            api_key_from_env: false,
150            _subscription: cx.observe_global::<SettingsStore>(|_, cx| {
151                cx.notify();
152            }),
153        });
154
155        Self { http_client, state }
156    }
157
158    fn create_language_model(&self, model: google_ai::Model) -> Arc<dyn LanguageModel> {
159        Arc::new(GoogleLanguageModel {
160            id: LanguageModelId::from(model.id().to_string()),
161            model,
162            state: self.state.clone(),
163            http_client: self.http_client.clone(),
164            request_limiter: RateLimiter::new(4),
165        })
166    }
167}
168
169impl LanguageModelProviderState for GoogleLanguageModelProvider {
170    type ObservableEntity = State;
171
172    fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
173        Some(self.state.clone())
174    }
175}
176
177impl LanguageModelProvider for GoogleLanguageModelProvider {
178    fn id(&self) -> LanguageModelProviderId {
179        LanguageModelProviderId(PROVIDER_ID.into())
180    }
181
182    fn name(&self) -> LanguageModelProviderName {
183        LanguageModelProviderName(PROVIDER_NAME.into())
184    }
185
186    fn icon(&self) -> IconName {
187        IconName::AiGoogle
188    }
189
190    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
191        Some(self.create_language_model(google_ai::Model::default()))
192    }
193
194    fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
195        Some(self.create_language_model(google_ai::Model::default_fast()))
196    }
197
198    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
199        let mut models = BTreeMap::default();
200
201        // Add base models from google_ai::Model::iter()
202        for model in google_ai::Model::iter() {
203            if !matches!(model, google_ai::Model::Custom { .. }) {
204                models.insert(model.id().to_string(), model);
205            }
206        }
207
208        // Override with available models from settings
209        for model in &AllLanguageModelSettings::get_global(cx)
210            .google
211            .available_models
212        {
213            models.insert(
214                model.name.clone(),
215                google_ai::Model::Custom {
216                    name: model.name.clone(),
217                    display_name: model.display_name.clone(),
218                    max_tokens: model.max_tokens,
219                },
220            );
221        }
222
223        models
224            .into_values()
225            .map(|model| {
226                Arc::new(GoogleLanguageModel {
227                    id: LanguageModelId::from(model.id().to_string()),
228                    model,
229                    state: self.state.clone(),
230                    http_client: self.http_client.clone(),
231                    request_limiter: RateLimiter::new(4),
232                }) as Arc<dyn LanguageModel>
233            })
234            .collect()
235    }
236
237    fn is_authenticated(&self, cx: &App) -> bool {
238        self.state.read(cx).is_authenticated()
239    }
240
241    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
242        self.state.update(cx, |state, cx| state.authenticate(cx))
243    }
244
245    fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
246        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
247            .into()
248    }
249
250    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
251        self.state.update(cx, |state, cx| state.reset_api_key(cx))
252    }
253}
254
255pub struct GoogleLanguageModel {
256    id: LanguageModelId,
257    model: google_ai::Model,
258    state: gpui::Entity<State>,
259    http_client: Arc<dyn HttpClient>,
260    request_limiter: RateLimiter,
261}
262
263impl GoogleLanguageModel {
264    fn stream_completion(
265        &self,
266        request: google_ai::GenerateContentRequest,
267        cx: &AsyncApp,
268    ) -> BoxFuture<
269        'static,
270        Result<futures::stream::BoxStream<'static, Result<GenerateContentResponse>>>,
271    > {
272        let http_client = self.http_client.clone();
273
274        let Ok((api_key, api_url)) = cx.read_entity(&self.state, |state, cx| {
275            let settings = &AllLanguageModelSettings::get_global(cx).google;
276            (state.api_key.clone(), settings.api_url.clone())
277        }) else {
278            return futures::future::ready(Err(anyhow!("App state dropped"))).boxed();
279        };
280
281        async move {
282            let api_key = api_key.ok_or_else(|| anyhow!("Missing Google API key"))?;
283            let request = google_ai::stream_generate_content(
284                http_client.as_ref(),
285                &api_url,
286                &api_key,
287                request,
288            );
289            request.await.context("failed to stream completion")
290        }
291        .boxed()
292    }
293}
294
295impl LanguageModel for GoogleLanguageModel {
296    fn id(&self) -> LanguageModelId {
297        self.id.clone()
298    }
299
300    fn name(&self) -> LanguageModelName {
301        LanguageModelName::from(self.model.display_name().to_string())
302    }
303
304    fn provider_id(&self) -> LanguageModelProviderId {
305        LanguageModelProviderId(PROVIDER_ID.into())
306    }
307
308    fn provider_name(&self) -> LanguageModelProviderName {
309        LanguageModelProviderName(PROVIDER_NAME.into())
310    }
311
312    fn supports_tools(&self) -> bool {
313        true
314    }
315
316    fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
317        match choice {
318            LanguageModelToolChoice::Auto
319            | LanguageModelToolChoice::Any
320            | LanguageModelToolChoice::None => true,
321        }
322    }
323
324    fn tool_input_format(&self) -> LanguageModelToolSchemaFormat {
325        LanguageModelToolSchemaFormat::JsonSchemaSubset
326    }
327
328    fn telemetry_id(&self) -> String {
329        format!("google/{}", self.model.id())
330    }
331
332    fn max_token_count(&self) -> usize {
333        self.model.max_token_count()
334    }
335
336    fn count_tokens(
337        &self,
338        request: LanguageModelRequest,
339        cx: &App,
340    ) -> BoxFuture<'static, Result<usize>> {
341        let model_id = self.model.id().to_string();
342        let request = into_google(request, model_id.clone());
343        let http_client = self.http_client.clone();
344        let api_key = self.state.read(cx).api_key.clone();
345
346        let settings = &AllLanguageModelSettings::get_global(cx).google;
347        let api_url = settings.api_url.clone();
348
349        async move {
350            let api_key = api_key.ok_or_else(|| anyhow!("Missing Google API key"))?;
351            let response = google_ai::count_tokens(
352                http_client.as_ref(),
353                &api_url,
354                &api_key,
355                google_ai::CountTokensRequest {
356                    generate_content_request: request,
357                },
358            )
359            .await?;
360            Ok(response.total_tokens)
361        }
362        .boxed()
363    }
364
365    fn stream_completion(
366        &self,
367        request: LanguageModelRequest,
368        cx: &AsyncApp,
369    ) -> BoxFuture<
370        'static,
371        Result<
372            futures::stream::BoxStream<
373                'static,
374                Result<LanguageModelCompletionEvent, LanguageModelCompletionError>,
375            >,
376        >,
377    > {
378        let request = into_google(request, self.model.id().to_string());
379        let request = self.stream_completion(request, cx);
380        let future = self.request_limiter.stream(async move {
381            let response = request
382                .await
383                .map_err(|err| LanguageModelCompletionError::Other(anyhow!(err)))?;
384            Ok(GoogleEventMapper::new().map_stream(response))
385        });
386        async move { Ok(future.await?.boxed()) }.boxed()
387    }
388}
389
390pub fn into_google(
391    mut request: LanguageModelRequest,
392    model_id: String,
393) -> google_ai::GenerateContentRequest {
394    fn map_content(content: Vec<MessageContent>) -> Vec<Part> {
395        content
396            .into_iter()
397            .filter_map(|content| match content {
398                language_model::MessageContent::Text(text)
399                | language_model::MessageContent::Thinking { text, .. } => {
400                    if !text.is_empty() {
401                        Some(Part::TextPart(google_ai::TextPart { text }))
402                    } else {
403                        None
404                    }
405                }
406                language_model::MessageContent::RedactedThinking(_) => None,
407                language_model::MessageContent::Image(image) => {
408                    Some(Part::InlineDataPart(google_ai::InlineDataPart {
409                        inline_data: google_ai::GenerativeContentBlob {
410                            mime_type: "image/png".to_string(),
411                            data: image.source.to_string(),
412                        },
413                    }))
414                }
415                language_model::MessageContent::ToolUse(tool_use) => {
416                    Some(Part::FunctionCallPart(google_ai::FunctionCallPart {
417                        function_call: google_ai::FunctionCall {
418                            name: tool_use.name.to_string(),
419                            args: tool_use.input,
420                        },
421                    }))
422                }
423                language_model::MessageContent::ToolResult(tool_result) => Some(
424                    Part::FunctionResponsePart(google_ai::FunctionResponsePart {
425                        function_response: google_ai::FunctionResponse {
426                            name: tool_result.tool_name.to_string(),
427                            // The API expects a valid JSON object
428                            response: serde_json::json!({
429                                "output": tool_result.content
430                            }),
431                        },
432                    }),
433                ),
434            })
435            .collect()
436    }
437
438    let system_instructions = if request
439        .messages
440        .first()
441        .map_or(false, |msg| matches!(msg.role, Role::System))
442    {
443        let message = request.messages.remove(0);
444        Some(SystemInstruction {
445            parts: map_content(message.content),
446        })
447    } else {
448        None
449    };
450
451    google_ai::GenerateContentRequest {
452        model: google_ai::ModelName { model_id },
453        system_instruction: system_instructions,
454        contents: request
455            .messages
456            .into_iter()
457            .filter_map(|message| {
458                let parts = map_content(message.content);
459                if parts.is_empty() {
460                    None
461                } else {
462                    Some(google_ai::Content {
463                        parts,
464                        role: match message.role {
465                            Role::User => google_ai::Role::User,
466                            Role::Assistant => google_ai::Role::Model,
467                            Role::System => google_ai::Role::User, // Google AI doesn't have a system role
468                        },
469                    })
470                }
471            })
472            .collect(),
473        generation_config: Some(google_ai::GenerationConfig {
474            candidate_count: Some(1),
475            stop_sequences: Some(request.stop),
476            max_output_tokens: None,
477            temperature: request.temperature.map(|t| t as f64).or(Some(1.0)),
478            top_p: None,
479            top_k: None,
480        }),
481        safety_settings: None,
482        tools: (request.tools.len() > 0).then(|| {
483            vec![google_ai::Tool {
484                function_declarations: request
485                    .tools
486                    .into_iter()
487                    .map(|tool| FunctionDeclaration {
488                        name: tool.name,
489                        description: tool.description,
490                        parameters: tool.input_schema,
491                    })
492                    .collect(),
493            }]
494        }),
495        tool_config: request.tool_choice.map(|choice| google_ai::ToolConfig {
496            function_calling_config: google_ai::FunctionCallingConfig {
497                mode: match choice {
498                    LanguageModelToolChoice::Auto => google_ai::FunctionCallingMode::Auto,
499                    LanguageModelToolChoice::Any => google_ai::FunctionCallingMode::Any,
500                    LanguageModelToolChoice::None => google_ai::FunctionCallingMode::None,
501                },
502                allowed_function_names: None,
503            },
504        }),
505    }
506}
507
508pub struct GoogleEventMapper {
509    usage: UsageMetadata,
510    stop_reason: StopReason,
511}
512
513impl GoogleEventMapper {
514    pub fn new() -> Self {
515        Self {
516            usage: UsageMetadata::default(),
517            stop_reason: StopReason::EndTurn,
518        }
519    }
520
521    pub fn map_stream(
522        mut self,
523        events: Pin<Box<dyn Send + Stream<Item = Result<GenerateContentResponse>>>>,
524    ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
525    {
526        events
527            .map(Some)
528            .chain(futures::stream::once(async { None }))
529            .flat_map(move |event| {
530                futures::stream::iter(match event {
531                    Some(Ok(event)) => self.map_event(event),
532                    Some(Err(error)) => {
533                        vec![Err(LanguageModelCompletionError::Other(anyhow!(error)))]
534                    }
535                    None => vec![Ok(LanguageModelCompletionEvent::Stop(self.stop_reason))],
536                })
537            })
538    }
539
540    pub fn map_event(
541        &mut self,
542        event: GenerateContentResponse,
543    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
544        static TOOL_CALL_COUNTER: AtomicU64 = AtomicU64::new(0);
545
546        let mut events: Vec<_> = Vec::new();
547        let mut wants_to_use_tool = false;
548        if let Some(usage_metadata) = event.usage_metadata {
549            update_usage(&mut self.usage, &usage_metadata);
550            events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(
551                convert_usage(&self.usage),
552            )))
553        }
554        if let Some(candidates) = event.candidates {
555            for candidate in candidates {
556                if let Some(finish_reason) = candidate.finish_reason.as_deref() {
557                    self.stop_reason = match finish_reason {
558                        "STOP" => StopReason::EndTurn,
559                        "MAX_TOKENS" => StopReason::MaxTokens,
560                        _ => {
561                            log::error!("Unexpected google finish_reason: {finish_reason}");
562                            StopReason::EndTurn
563                        }
564                    };
565                }
566                candidate
567                    .content
568                    .parts
569                    .into_iter()
570                    .for_each(|part| match part {
571                        Part::TextPart(text_part) => {
572                            events.push(Ok(LanguageModelCompletionEvent::Text(text_part.text)))
573                        }
574                        Part::InlineDataPart(_) => {}
575                        Part::FunctionCallPart(function_call_part) => {
576                            wants_to_use_tool = true;
577                            let name: Arc<str> = function_call_part.function_call.name.into();
578                            let next_tool_id =
579                                TOOL_CALL_COUNTER.fetch_add(1, atomic::Ordering::SeqCst);
580                            let id: LanguageModelToolUseId =
581                                format!("{}-{}", name, next_tool_id).into();
582
583                            events.push(Ok(LanguageModelCompletionEvent::ToolUse(
584                                LanguageModelToolUse {
585                                    id,
586                                    name,
587                                    is_input_complete: true,
588                                    raw_input: function_call_part.function_call.args.to_string(),
589                                    input: function_call_part.function_call.args,
590                                },
591                            )));
592                        }
593                        Part::FunctionResponsePart(_) => {}
594                    });
595            }
596        }
597
598        // Even when Gemini wants to use a Tool, the API
599        // responds with `finish_reason: STOP`
600        if wants_to_use_tool {
601            self.stop_reason = StopReason::ToolUse;
602            events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
603        }
604        events
605    }
606}
607
608pub fn count_google_tokens(
609    request: LanguageModelRequest,
610    cx: &App,
611) -> BoxFuture<'static, Result<usize>> {
612    // We couldn't use the GoogleLanguageModelProvider to count tokens because the github copilot doesn't have the access to google_ai directly.
613    // So we have to use tokenizer from tiktoken_rs to count tokens.
614    cx.background_spawn(async move {
615        let messages = request
616            .messages
617            .into_iter()
618            .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
619                role: match message.role {
620                    Role::User => "user".into(),
621                    Role::Assistant => "assistant".into(),
622                    Role::System => "system".into(),
623                },
624                content: Some(message.string_contents()),
625                name: None,
626                function_call: None,
627            })
628            .collect::<Vec<_>>();
629
630        // Tiktoken doesn't yet support these models, so we manually use the
631        // same tokenizer as GPT-4.
632        tiktoken_rs::num_tokens_from_messages("gpt-4", &messages)
633    })
634    .boxed()
635}
636
637fn update_usage(usage: &mut UsageMetadata, new: &UsageMetadata) {
638    if let Some(prompt_token_count) = new.prompt_token_count {
639        usage.prompt_token_count = Some(prompt_token_count);
640    }
641    if let Some(cached_content_token_count) = new.cached_content_token_count {
642        usage.cached_content_token_count = Some(cached_content_token_count);
643    }
644    if let Some(candidates_token_count) = new.candidates_token_count {
645        usage.candidates_token_count = Some(candidates_token_count);
646    }
647    if let Some(tool_use_prompt_token_count) = new.tool_use_prompt_token_count {
648        usage.tool_use_prompt_token_count = Some(tool_use_prompt_token_count);
649    }
650    if let Some(thoughts_token_count) = new.thoughts_token_count {
651        usage.thoughts_token_count = Some(thoughts_token_count);
652    }
653    if let Some(total_token_count) = new.total_token_count {
654        usage.total_token_count = Some(total_token_count);
655    }
656}
657
658fn convert_usage(usage: &UsageMetadata) -> language_model::TokenUsage {
659    language_model::TokenUsage {
660        input_tokens: usage.prompt_token_count.unwrap_or(0) as u32,
661        output_tokens: usage.candidates_token_count.unwrap_or(0) as u32,
662        cache_read_input_tokens: usage.cached_content_token_count.unwrap_or(0) as u32,
663        cache_creation_input_tokens: 0,
664    }
665}
666
667struct ConfigurationView {
668    api_key_editor: Entity<Editor>,
669    state: gpui::Entity<State>,
670    load_credentials_task: Option<Task<()>>,
671}
672
673impl ConfigurationView {
674    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
675        cx.observe(&state, |_, _, cx| {
676            cx.notify();
677        })
678        .detach();
679
680        let load_credentials_task = Some(cx.spawn_in(window, {
681            let state = state.clone();
682            async move |this, cx| {
683                if let Some(task) = state
684                    .update(cx, |state, cx| state.authenticate(cx))
685                    .log_err()
686                {
687                    // We don't log an error, because "not signed in" is also an error.
688                    let _ = task.await;
689                }
690                this.update(cx, |this, cx| {
691                    this.load_credentials_task = None;
692                    cx.notify();
693                })
694                .log_err();
695            }
696        }));
697
698        Self {
699            api_key_editor: cx.new(|cx| {
700                let mut editor = Editor::single_line(window, cx);
701                editor.set_placeholder_text("AIzaSy...", cx);
702                editor
703            }),
704            state,
705            load_credentials_task,
706        }
707    }
708
709    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
710        let api_key = self.api_key_editor.read(cx).text(cx);
711        if api_key.is_empty() {
712            return;
713        }
714
715        let state = self.state.clone();
716        cx.spawn_in(window, async move |_, cx| {
717            state
718                .update(cx, |state, cx| state.set_api_key(api_key, cx))?
719                .await
720        })
721        .detach_and_log_err(cx);
722
723        cx.notify();
724    }
725
726    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
727        self.api_key_editor
728            .update(cx, |editor, cx| editor.set_text("", window, cx));
729
730        let state = self.state.clone();
731        cx.spawn_in(window, async move |_, cx| {
732            state.update(cx, |state, cx| state.reset_api_key(cx))?.await
733        })
734        .detach_and_log_err(cx);
735
736        cx.notify();
737    }
738
739    fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
740        let settings = ThemeSettings::get_global(cx);
741        let text_style = TextStyle {
742            color: cx.theme().colors().text,
743            font_family: settings.ui_font.family.clone(),
744            font_features: settings.ui_font.features.clone(),
745            font_fallbacks: settings.ui_font.fallbacks.clone(),
746            font_size: rems(0.875).into(),
747            font_weight: settings.ui_font.weight,
748            font_style: FontStyle::Normal,
749            line_height: relative(1.3),
750            white_space: WhiteSpace::Normal,
751            ..Default::default()
752        };
753        EditorElement::new(
754            &self.api_key_editor,
755            EditorStyle {
756                background: cx.theme().colors().editor_background,
757                local_player: cx.theme().players().local(),
758                text: text_style,
759                ..Default::default()
760            },
761        )
762    }
763
764    fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
765        !self.state.read(cx).is_authenticated()
766    }
767}
768
769impl Render for ConfigurationView {
770    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
771        let env_var_set = self.state.read(cx).api_key_from_env;
772
773        if self.load_credentials_task.is_some() {
774            div().child(Label::new("Loading credentials...")).into_any()
775        } else if self.should_render_editor(cx) {
776            v_flex()
777                .size_full()
778                .on_action(cx.listener(Self::save_api_key))
779                .child(Label::new("To use Zed's assistant with Google AI, you need to add an API key. Follow these steps:"))
780                .child(
781                    List::new()
782                        .child(InstructionListItem::new(
783                            "Create one by visiting",
784                            Some("Google AI's console"),
785                            Some("https://aistudio.google.com/app/apikey"),
786                        ))
787                        .child(InstructionListItem::text_only(
788                            "Paste your API key below and hit enter to start using the assistant",
789                        )),
790                )
791                .child(
792                    h_flex()
793                        .w_full()
794                        .my_2()
795                        .px_2()
796                        .py_1()
797                        .bg(cx.theme().colors().editor_background)
798                        .border_1()
799                        .border_color(cx.theme().colors().border)
800                        .rounded_sm()
801                        .child(self.render_api_key_editor(cx)),
802                )
803                .child(
804                    Label::new(
805                        format!("You can also assign the {GOOGLE_AI_API_KEY_VAR} environment variable and restart Zed."),
806                    )
807                    .size(LabelSize::Small).color(Color::Muted),
808                )
809                .into_any()
810        } else {
811            h_flex()
812                .mt_1()
813                .p_1()
814                .justify_between()
815                .rounded_md()
816                .border_1()
817                .border_color(cx.theme().colors().border)
818                .bg(cx.theme().colors().background)
819                .child(
820                    h_flex()
821                        .gap_1()
822                        .child(Icon::new(IconName::Check).color(Color::Success))
823                        .child(Label::new(if env_var_set {
824                            format!("API key set in {GOOGLE_AI_API_KEY_VAR} environment variable.")
825                        } else {
826                            "API key configured.".to_string()
827                        })),
828                )
829                .child(
830                    Button::new("reset-key", "Reset Key")
831                        .label_size(LabelSize::Small)
832                        .icon(Some(IconName::Trash))
833                        .icon_size(IconSize::Small)
834                        .icon_position(IconPosition::Start)
835                        .disabled(env_var_set)
836                        .when(env_var_set, |this| {
837                            this.tooltip(Tooltip::text(format!("To reset your API key, unset the {GOOGLE_AI_API_KEY_VAR} environment variable.")))
838                        })
839                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
840                )
841                .into_any()
842        }
843    }
844}