mistral.rs

  1use anyhow::{Result, anyhow};
  2use collections::BTreeMap;
  3use editor::{Editor, EditorElement, EditorStyle};
  4use futures::{FutureExt, Stream, StreamExt, future::BoxFuture, stream::BoxStream};
  5use gpui::{
  6    AnyView, App, AsyncApp, Context, Entity, FontStyle, SharedString, Task, TextStyle, WhiteSpace,
  7    Window,
  8};
  9use http_client::HttpClient;
 10use language_model::{
 11    AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
 12    LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
 13    LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest,
 14    LanguageModelToolChoice, LanguageModelToolResultContent, LanguageModelToolUse, MessageContent,
 15    RateLimiter, Role, StopReason, TokenUsage,
 16};
 17use mistral::StreamResponse;
 18use schemars::JsonSchema;
 19use serde::{Deserialize, Serialize};
 20use settings::{Settings, SettingsStore};
 21use std::collections::HashMap;
 22use std::pin::Pin;
 23use std::str::FromStr;
 24use std::sync::{Arc, LazyLock};
 25use strum::IntoEnumIterator;
 26use theme::ThemeSettings;
 27use ui::{Icon, IconName, List, Tooltip, prelude::*};
 28use util::ResultExt;
 29use zed_env_vars::{EnvVar, env_var};
 30
 31use crate::{api_key::ApiKeyState, ui::InstructionListItem};
 32
 33const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("mistral");
 34const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Mistral");
 35
 36const API_KEY_ENV_VAR_NAME: &str = "MISTRAL_API_KEY";
 37static API_KEY_ENV_VAR: LazyLock<EnvVar> = env_var!(API_KEY_ENV_VAR_NAME);
 38
 39#[derive(Default, Clone, Debug, PartialEq)]
 40pub struct MistralSettings {
 41    pub api_url: String,
 42    pub available_models: Vec<AvailableModel>,
 43}
 44
 45#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
 46pub struct AvailableModel {
 47    pub name: String,
 48    pub display_name: Option<String>,
 49    pub max_tokens: u64,
 50    pub max_output_tokens: Option<u64>,
 51    pub max_completion_tokens: Option<u64>,
 52    pub supports_tools: Option<bool>,
 53    pub supports_images: Option<bool>,
 54    pub supports_thinking: Option<bool>,
 55}
 56
 57pub struct MistralLanguageModelProvider {
 58    http_client: Arc<dyn HttpClient>,
 59    state: gpui::Entity<State>,
 60}
 61
 62pub struct State {
 63    api_key_state: ApiKeyState,
 64}
 65
 66impl State {
 67    fn is_authenticated(&self) -> bool {
 68        self.api_key_state.has_key()
 69    }
 70
 71    fn set_api_key(&mut self, api_key: Option<String>, cx: &mut Context<Self>) -> Task<Result<()>> {
 72        let api_url = MistralLanguageModelProvider::api_url(cx);
 73        self.api_key_state
 74            .store(api_url, api_key, |this| &mut this.api_key_state, cx)
 75    }
 76
 77    fn authenticate(&mut self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
 78        let api_url = MistralLanguageModelProvider::api_url(cx);
 79        self.api_key_state.load_if_needed(
 80            api_url,
 81            &API_KEY_ENV_VAR,
 82            |this| &mut this.api_key_state,
 83            cx,
 84        )
 85    }
 86}
 87
 88impl MistralLanguageModelProvider {
 89    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
 90        let state = cx.new(|cx| {
 91            cx.observe_global::<SettingsStore>(|this: &mut State, cx| {
 92                let api_url = Self::api_url(cx);
 93                this.api_key_state.handle_url_change(
 94                    api_url,
 95                    &API_KEY_ENV_VAR,
 96                    |this| &mut this.api_key_state,
 97                    cx,
 98                );
 99                cx.notify();
100            })
101            .detach();
102            State {
103                api_key_state: ApiKeyState::new(Self::api_url(cx)),
104            }
105        });
106
107        Self { http_client, state }
108    }
109
110    fn create_language_model(&self, model: mistral::Model) -> Arc<dyn LanguageModel> {
111        Arc::new(MistralLanguageModel {
112            id: LanguageModelId::from(model.id().to_string()),
113            model,
114            state: self.state.clone(),
115            http_client: self.http_client.clone(),
116            request_limiter: RateLimiter::new(4),
117        })
118    }
119
120    fn settings(cx: &App) -> &MistralSettings {
121        &crate::AllLanguageModelSettings::get_global(cx).mistral
122    }
123
124    fn api_url(cx: &App) -> SharedString {
125        let api_url = &Self::settings(cx).api_url;
126        if api_url.is_empty() {
127            mistral::MISTRAL_API_URL.into()
128        } else {
129            SharedString::new(api_url.as_str())
130        }
131    }
132}
133
134impl LanguageModelProviderState for MistralLanguageModelProvider {
135    type ObservableEntity = State;
136
137    fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
138        Some(self.state.clone())
139    }
140}
141
142impl LanguageModelProvider for MistralLanguageModelProvider {
143    fn id(&self) -> LanguageModelProviderId {
144        PROVIDER_ID
145    }
146
147    fn name(&self) -> LanguageModelProviderName {
148        PROVIDER_NAME
149    }
150
151    fn icon(&self) -> IconName {
152        IconName::AiMistral
153    }
154
155    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
156        Some(self.create_language_model(mistral::Model::default()))
157    }
158
159    fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
160        Some(self.create_language_model(mistral::Model::default_fast()))
161    }
162
163    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
164        let mut models = BTreeMap::default();
165
166        // Add base models from mistral::Model::iter()
167        for model in mistral::Model::iter() {
168            if !matches!(model, mistral::Model::Custom { .. }) {
169                models.insert(model.id().to_string(), model);
170            }
171        }
172
173        // Override with available models from settings
174        for model in &Self::settings(cx).available_models {
175            models.insert(
176                model.name.clone(),
177                mistral::Model::Custom {
178                    name: model.name.clone(),
179                    display_name: model.display_name.clone(),
180                    max_tokens: model.max_tokens,
181                    max_output_tokens: model.max_output_tokens,
182                    max_completion_tokens: model.max_completion_tokens,
183                    supports_tools: model.supports_tools,
184                    supports_images: model.supports_images,
185                    supports_thinking: model.supports_thinking,
186                },
187            );
188        }
189
190        models
191            .into_values()
192            .map(|model| {
193                Arc::new(MistralLanguageModel {
194                    id: LanguageModelId::from(model.id().to_string()),
195                    model,
196                    state: self.state.clone(),
197                    http_client: self.http_client.clone(),
198                    request_limiter: RateLimiter::new(4),
199                }) as Arc<dyn LanguageModel>
200            })
201            .collect()
202    }
203
204    fn is_authenticated(&self, cx: &App) -> bool {
205        self.state.read(cx).is_authenticated()
206    }
207
208    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
209        self.state.update(cx, |state, cx| state.authenticate(cx))
210    }
211
212    fn configuration_view(
213        &self,
214        _target_agent: language_model::ConfigurationViewTargetAgent,
215        window: &mut Window,
216        cx: &mut App,
217    ) -> AnyView {
218        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
219            .into()
220    }
221
222    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
223        self.state
224            .update(cx, |state, cx| state.set_api_key(None, cx))
225    }
226}
227
228pub struct MistralLanguageModel {
229    id: LanguageModelId,
230    model: mistral::Model,
231    state: gpui::Entity<State>,
232    http_client: Arc<dyn HttpClient>,
233    request_limiter: RateLimiter,
234}
235
236impl MistralLanguageModel {
237    fn stream_completion(
238        &self,
239        request: mistral::Request,
240        cx: &AsyncApp,
241    ) -> BoxFuture<
242        'static,
243        Result<futures::stream::BoxStream<'static, Result<mistral::StreamResponse>>>,
244    > {
245        let http_client = self.http_client.clone();
246
247        let api_key_and_url = self.state.read_with(cx, |state, cx| {
248            let api_url = MistralLanguageModelProvider::api_url(cx);
249            let api_key = state.api_key_state.key(&api_url);
250            (api_key, api_url)
251        });
252        let (api_key, api_url) = match api_key_and_url {
253            Ok(api_key_and_url) => api_key_and_url,
254            Err(err) => {
255                return futures::future::ready(Err(err)).boxed();
256            }
257        };
258
259        let future = self.request_limiter.stream(async move {
260            let Some(api_key) = api_key else {
261                return Err(LanguageModelCompletionError::NoApiKey {
262                    provider: PROVIDER_NAME,
263                });
264            };
265            let request =
266                mistral::stream_completion(http_client.as_ref(), &api_url, &api_key, request);
267            let response = request.await?;
268            Ok(response)
269        });
270
271        async move { Ok(future.await?.boxed()) }.boxed()
272    }
273}
274
275impl LanguageModel for MistralLanguageModel {
276    fn id(&self) -> LanguageModelId {
277        self.id.clone()
278    }
279
280    fn name(&self) -> LanguageModelName {
281        LanguageModelName::from(self.model.display_name().to_string())
282    }
283
284    fn provider_id(&self) -> LanguageModelProviderId {
285        PROVIDER_ID
286    }
287
288    fn provider_name(&self) -> LanguageModelProviderName {
289        PROVIDER_NAME
290    }
291
292    fn supports_tools(&self) -> bool {
293        self.model.supports_tools()
294    }
295
296    fn supports_tool_choice(&self, _choice: LanguageModelToolChoice) -> bool {
297        self.model.supports_tools()
298    }
299
300    fn supports_images(&self) -> bool {
301        self.model.supports_images()
302    }
303
304    fn telemetry_id(&self) -> String {
305        format!("mistral/{}", self.model.id())
306    }
307
308    fn max_token_count(&self) -> u64 {
309        self.model.max_token_count()
310    }
311
312    fn max_output_tokens(&self) -> Option<u64> {
313        self.model.max_output_tokens()
314    }
315
316    fn count_tokens(
317        &self,
318        request: LanguageModelRequest,
319        cx: &App,
320    ) -> BoxFuture<'static, Result<u64>> {
321        cx.background_spawn(async move {
322            let messages = request
323                .messages
324                .into_iter()
325                .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
326                    role: match message.role {
327                        Role::User => "user".into(),
328                        Role::Assistant => "assistant".into(),
329                        Role::System => "system".into(),
330                    },
331                    content: Some(message.string_contents()),
332                    name: None,
333                    function_call: None,
334                })
335                .collect::<Vec<_>>();
336
337            tiktoken_rs::num_tokens_from_messages("gpt-4", &messages).map(|tokens| tokens as u64)
338        })
339        .boxed()
340    }
341
342    fn stream_completion(
343        &self,
344        request: LanguageModelRequest,
345        cx: &AsyncApp,
346    ) -> BoxFuture<
347        'static,
348        Result<
349            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
350            LanguageModelCompletionError,
351        >,
352    > {
353        let request = into_mistral(request, self.model.clone(), self.max_output_tokens());
354        let stream = self.stream_completion(request, cx);
355
356        async move {
357            let stream = stream.await?;
358            let mapper = MistralEventMapper::new();
359            Ok(mapper.map_stream(stream).boxed())
360        }
361        .boxed()
362    }
363}
364
365pub fn into_mistral(
366    request: LanguageModelRequest,
367    model: mistral::Model,
368    max_output_tokens: Option<u64>,
369) -> mistral::Request {
370    let stream = true;
371
372    let mut messages = Vec::new();
373    for message in &request.messages {
374        match message.role {
375            Role::User => {
376                let mut message_content = mistral::MessageContent::empty();
377                for content in &message.content {
378                    match content {
379                        MessageContent::Text(text) => {
380                            message_content
381                                .push_part(mistral::MessagePart::Text { text: text.clone() });
382                        }
383                        MessageContent::Image(image_content) => {
384                            if model.supports_images() {
385                                message_content.push_part(mistral::MessagePart::ImageUrl {
386                                    image_url: image_content.to_base64_url(),
387                                });
388                            }
389                        }
390                        MessageContent::Thinking { text, .. } => {
391                            if model.supports_thinking() {
392                                message_content.push_part(mistral::MessagePart::Thinking {
393                                    thinking: vec![mistral::ThinkingPart::Text {
394                                        text: text.clone(),
395                                    }],
396                                });
397                            }
398                        }
399                        MessageContent::RedactedThinking(_) => {}
400                        MessageContent::ToolUse(_) => {
401                            // Tool use is not supported in User messages for Mistral
402                        }
403                        MessageContent::ToolResult(tool_result) => {
404                            let tool_content = match &tool_result.content {
405                                LanguageModelToolResultContent::Text(text) => text.to_string(),
406                                LanguageModelToolResultContent::Image(_) => {
407                                    "[Tool responded with an image, but Zed doesn't support these in Mistral models yet]".to_string()
408                                }
409                            };
410                            messages.push(mistral::RequestMessage::Tool {
411                                content: tool_content,
412                                tool_call_id: tool_result.tool_use_id.to_string(),
413                            });
414                        }
415                    }
416                }
417                if !matches!(message_content, mistral::MessageContent::Plain { ref content } if content.is_empty())
418                {
419                    messages.push(mistral::RequestMessage::User {
420                        content: message_content,
421                    });
422                }
423            }
424            Role::Assistant => {
425                for content in &message.content {
426                    match content {
427                        MessageContent::Text(text) => {
428                            messages.push(mistral::RequestMessage::Assistant {
429                                content: Some(mistral::MessageContent::Plain {
430                                    content: text.clone(),
431                                }),
432                                tool_calls: Vec::new(),
433                            });
434                        }
435                        MessageContent::Thinking { text, .. } => {
436                            if model.supports_thinking() {
437                                messages.push(mistral::RequestMessage::Assistant {
438                                    content: Some(mistral::MessageContent::Multipart {
439                                        content: vec![mistral::MessagePart::Thinking {
440                                            thinking: vec![mistral::ThinkingPart::Text {
441                                                text: text.clone(),
442                                            }],
443                                        }],
444                                    }),
445                                    tool_calls: Vec::new(),
446                                });
447                            }
448                        }
449                        MessageContent::RedactedThinking(_) => {}
450                        MessageContent::Image(_) => {}
451                        MessageContent::ToolUse(tool_use) => {
452                            let tool_call = mistral::ToolCall {
453                                id: tool_use.id.to_string(),
454                                content: mistral::ToolCallContent::Function {
455                                    function: mistral::FunctionContent {
456                                        name: tool_use.name.to_string(),
457                                        arguments: serde_json::to_string(&tool_use.input)
458                                            .unwrap_or_default(),
459                                    },
460                                },
461                            };
462
463                            if let Some(mistral::RequestMessage::Assistant { tool_calls, .. }) =
464                                messages.last_mut()
465                            {
466                                tool_calls.push(tool_call);
467                            } else {
468                                messages.push(mistral::RequestMessage::Assistant {
469                                    content: None,
470                                    tool_calls: vec![tool_call],
471                                });
472                            }
473                        }
474                        MessageContent::ToolResult(_) => {
475                            // Tool results are not supported in Assistant messages
476                        }
477                    }
478                }
479            }
480            Role::System => {
481                for content in &message.content {
482                    match content {
483                        MessageContent::Text(text) => {
484                            messages.push(mistral::RequestMessage::System {
485                                content: mistral::MessageContent::Plain {
486                                    content: text.clone(),
487                                },
488                            });
489                        }
490                        MessageContent::Thinking { text, .. } => {
491                            if model.supports_thinking() {
492                                messages.push(mistral::RequestMessage::System {
493                                    content: mistral::MessageContent::Multipart {
494                                        content: vec![mistral::MessagePart::Thinking {
495                                            thinking: vec![mistral::ThinkingPart::Text {
496                                                text: text.clone(),
497                                            }],
498                                        }],
499                                    },
500                                });
501                            }
502                        }
503                        MessageContent::RedactedThinking(_) => {}
504                        MessageContent::Image(_)
505                        | MessageContent::ToolUse(_)
506                        | MessageContent::ToolResult(_) => {
507                            // Images and tools are not supported in System messages
508                        }
509                    }
510                }
511            }
512        }
513    }
514
515    mistral::Request {
516        model: model.id().to_string(),
517        messages,
518        stream,
519        max_tokens: max_output_tokens,
520        temperature: request.temperature,
521        response_format: None,
522        tool_choice: match request.tool_choice {
523            Some(LanguageModelToolChoice::Auto) if !request.tools.is_empty() => {
524                Some(mistral::ToolChoice::Auto)
525            }
526            Some(LanguageModelToolChoice::Any) if !request.tools.is_empty() => {
527                Some(mistral::ToolChoice::Any)
528            }
529            Some(LanguageModelToolChoice::None) => Some(mistral::ToolChoice::None),
530            _ if !request.tools.is_empty() => Some(mistral::ToolChoice::Auto),
531            _ => None,
532        },
533        parallel_tool_calls: if !request.tools.is_empty() {
534            Some(false)
535        } else {
536            None
537        },
538        tools: request
539            .tools
540            .into_iter()
541            .map(|tool| mistral::ToolDefinition::Function {
542                function: mistral::FunctionDefinition {
543                    name: tool.name,
544                    description: Some(tool.description),
545                    parameters: Some(tool.input_schema),
546                },
547            })
548            .collect(),
549    }
550}
551
552pub struct MistralEventMapper {
553    tool_calls_by_index: HashMap<usize, RawToolCall>,
554}
555
556impl MistralEventMapper {
557    pub fn new() -> Self {
558        Self {
559            tool_calls_by_index: HashMap::default(),
560        }
561    }
562
563    pub fn map_stream(
564        mut self,
565        events: Pin<Box<dyn Send + Stream<Item = Result<StreamResponse>>>>,
566    ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
567    {
568        events.flat_map(move |event| {
569            futures::stream::iter(match event {
570                Ok(event) => self.map_event(event),
571                Err(error) => vec![Err(LanguageModelCompletionError::from(error))],
572            })
573        })
574    }
575
576    pub fn map_event(
577        &mut self,
578        event: mistral::StreamResponse,
579    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
580        let Some(choice) = event.choices.first() else {
581            return vec![Err(LanguageModelCompletionError::from(anyhow!(
582                "Response contained no choices"
583            )))];
584        };
585
586        let mut events = Vec::new();
587        if let Some(content) = choice.delta.content.as_ref() {
588            match content {
589                mistral::MessageContentDelta::Text(text) => {
590                    events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
591                }
592                mistral::MessageContentDelta::Parts(parts) => {
593                    for part in parts {
594                        match part {
595                            mistral::MessagePart::Text { text } => {
596                                events.push(Ok(LanguageModelCompletionEvent::Text(text.clone())));
597                            }
598                            mistral::MessagePart::Thinking { thinking } => {
599                                for tp in thinking.iter().cloned() {
600                                    match tp {
601                                        mistral::ThinkingPart::Text { text } => {
602                                            events.push(Ok(
603                                                LanguageModelCompletionEvent::Thinking {
604                                                    text,
605                                                    signature: None,
606                                                },
607                                            ));
608                                        }
609                                    }
610                                }
611                            }
612                            mistral::MessagePart::ImageUrl { .. } => {
613                                // We currently don't emit a separate event for images in responses.
614                            }
615                        }
616                    }
617                }
618            }
619        }
620
621        if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
622            for tool_call in tool_calls {
623                let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
624
625                if let Some(tool_id) = tool_call.id.clone() {
626                    entry.id = tool_id;
627                }
628
629                if let Some(function) = tool_call.function.as_ref() {
630                    if let Some(name) = function.name.clone() {
631                        entry.name = name;
632                    }
633
634                    if let Some(arguments) = function.arguments.clone() {
635                        entry.arguments.push_str(&arguments);
636                    }
637                }
638            }
639        }
640
641        if let Some(usage) = event.usage {
642            events.push(Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
643                input_tokens: usage.prompt_tokens,
644                output_tokens: usage.completion_tokens,
645                cache_creation_input_tokens: 0,
646                cache_read_input_tokens: 0,
647            })));
648        }
649
650        if let Some(finish_reason) = choice.finish_reason.as_deref() {
651            match finish_reason {
652                "stop" => {
653                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
654                }
655                "tool_calls" => {
656                    events.extend(self.process_tool_calls());
657                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
658                }
659                unexpected => {
660                    log::error!("Unexpected Mistral stop_reason: {unexpected:?}");
661                    events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
662                }
663            }
664        }
665
666        events
667    }
668
669    fn process_tool_calls(
670        &mut self,
671    ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
672        let mut results = Vec::new();
673
674        for (_, tool_call) in self.tool_calls_by_index.drain() {
675            if tool_call.id.is_empty() || tool_call.name.is_empty() {
676                results.push(Err(LanguageModelCompletionError::from(anyhow!(
677                    "Received incomplete tool call: missing id or name"
678                ))));
679                continue;
680            }
681
682            match serde_json::Value::from_str(&tool_call.arguments) {
683                Ok(input) => results.push(Ok(LanguageModelCompletionEvent::ToolUse(
684                    LanguageModelToolUse {
685                        id: tool_call.id.into(),
686                        name: tool_call.name.into(),
687                        is_input_complete: true,
688                        input,
689                        raw_input: tool_call.arguments,
690                    },
691                ))),
692                Err(error) => {
693                    results.push(Ok(LanguageModelCompletionEvent::ToolUseJsonParseError {
694                        id: tool_call.id.into(),
695                        tool_name: tool_call.name.into(),
696                        raw_input: tool_call.arguments.into(),
697                        json_parse_error: error.to_string(),
698                    }))
699                }
700            }
701        }
702
703        results
704    }
705}
706
707#[derive(Default)]
708struct RawToolCall {
709    id: String,
710    name: String,
711    arguments: String,
712}
713
714struct ConfigurationView {
715    api_key_editor: Entity<Editor>,
716    state: gpui::Entity<State>,
717    load_credentials_task: Option<Task<()>>,
718}
719
720impl ConfigurationView {
721    fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
722        let api_key_editor = cx.new(|cx| {
723            let mut editor = Editor::single_line(window, cx);
724            editor.set_placeholder_text("0aBCDEFGhIjKLmNOpqrSTUVwxyzabCDE1f2", window, cx);
725            editor
726        });
727
728        cx.observe(&state, |_, _, cx| {
729            cx.notify();
730        })
731        .detach();
732
733        let load_credentials_task = Some(cx.spawn_in(window, {
734            let state = state.clone();
735            async move |this, cx| {
736                if let Some(task) = state
737                    .update(cx, |state, cx| state.authenticate(cx))
738                    .log_err()
739                {
740                    // We don't log an error, because "not signed in" is also an error.
741                    let _ = task.await;
742                }
743
744                this.update(cx, |this, cx| {
745                    this.load_credentials_task = None;
746                    cx.notify();
747                })
748                .log_err();
749            }
750        }));
751
752        Self {
753            api_key_editor,
754            state,
755            load_credentials_task,
756        }
757    }
758
759    fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
760        let api_key = self.api_key_editor.read(cx).text(cx).trim().to_string();
761        if api_key.is_empty() {
762            return;
763        }
764
765        let state = self.state.clone();
766        cx.spawn_in(window, async move |_, cx| {
767            state
768                .update(cx, |state, cx| state.set_api_key(Some(api_key), cx))?
769                .await
770        })
771        .detach_and_log_err(cx);
772    }
773
774    fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
775        self.api_key_editor
776            .update(cx, |editor, cx| editor.set_text("", window, cx));
777
778        let state = self.state.clone();
779        cx.spawn_in(window, async move |_, cx| {
780            state
781                .update(cx, |state, cx| state.set_api_key(None, cx))?
782                .await
783        })
784        .detach_and_log_err(cx);
785    }
786
787    fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
788        let settings = ThemeSettings::get_global(cx);
789        let text_style = TextStyle {
790            color: cx.theme().colors().text,
791            font_family: settings.ui_font.family.clone(),
792            font_features: settings.ui_font.features.clone(),
793            font_fallbacks: settings.ui_font.fallbacks.clone(),
794            font_size: rems(0.875).into(),
795            font_weight: settings.ui_font.weight,
796            font_style: FontStyle::Normal,
797            line_height: relative(1.3),
798            white_space: WhiteSpace::Normal,
799            ..Default::default()
800        };
801        EditorElement::new(
802            &self.api_key_editor,
803            EditorStyle {
804                background: cx.theme().colors().editor_background,
805                local_player: cx.theme().players().local(),
806                text: text_style,
807                ..Default::default()
808            },
809        )
810    }
811
812    fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
813        !self.state.read(cx).is_authenticated()
814    }
815}
816
817impl Render for ConfigurationView {
818    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
819        let env_var_set = self.state.read(cx).api_key_state.is_from_env_var();
820
821        if self.load_credentials_task.is_some() {
822            div().child(Label::new("Loading credentials...")).into_any()
823        } else if self.should_render_editor(cx) {
824            v_flex()
825                .size_full()
826                .on_action(cx.listener(Self::save_api_key))
827                .child(Label::new("To use Zed's agent with Mistral, you need to add an API key. Follow these steps:"))
828                .child(
829                    List::new()
830                        .child(InstructionListItem::new(
831                            "Create one by visiting",
832                            Some("Mistral's console"),
833                            Some("https://console.mistral.ai/api-keys"),
834                        ))
835                        .child(InstructionListItem::text_only(
836                            "Ensure your Mistral account has credits",
837                        ))
838                        .child(InstructionListItem::text_only(
839                            "Paste your API key below and hit enter to start using the assistant",
840                        )),
841                )
842                .child(
843                    h_flex()
844                        .w_full()
845                        .my_2()
846                        .px_2()
847                        .py_1()
848                        .bg(cx.theme().colors().editor_background)
849                        .border_1()
850                        .border_color(cx.theme().colors().border)
851                        .rounded_sm()
852                        .child(self.render_api_key_editor(cx)),
853                )
854                .child(
855                    Label::new(
856                        format!("You can also assign the {API_KEY_ENV_VAR_NAME} environment variable and restart Zed."),
857                    )
858                    .size(LabelSize::Small).color(Color::Muted),
859                )
860                .into_any()
861        } else {
862            h_flex()
863                .mt_1()
864                .p_1()
865                .justify_between()
866                .rounded_md()
867                .border_1()
868                .border_color(cx.theme().colors().border)
869                .bg(cx.theme().colors().background)
870                .child(
871                    h_flex()
872                        .gap_1()
873                        .child(Icon::new(IconName::Check).color(Color::Success))
874                        .child(Label::new(if env_var_set {
875                            format!("API key set in {API_KEY_ENV_VAR_NAME} environment variable.")
876                        } else {
877                            "API key configured.".to_string()
878                        })),
879                )
880                .child(
881                    Button::new("reset-key", "Reset Key")
882                        .label_size(LabelSize::Small)
883                        .icon(Some(IconName::Trash))
884                        .icon_size(IconSize::Small)
885                        .icon_position(IconPosition::Start)
886                        .disabled(env_var_set)
887                        .when(env_var_set, |this| {
888                            this.tooltip(Tooltip::text(format!("To reset your API key, unset the {API_KEY_ENV_VAR_NAME} environment variable.")))
889                        })
890                        .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
891                )
892                .into_any()
893        }
894    }
895}
896
897#[cfg(test)]
898mod tests {
899    use super::*;
900    use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
901
902    #[test]
903    fn test_into_mistral_basic_conversion() {
904        let request = LanguageModelRequest {
905            messages: vec![
906                LanguageModelRequestMessage {
907                    role: Role::System,
908                    content: vec![MessageContent::Text("System prompt".into())],
909                    cache: false,
910                },
911                LanguageModelRequestMessage {
912                    role: Role::User,
913                    content: vec![MessageContent::Text("Hello".into())],
914                    cache: false,
915                },
916            ],
917            temperature: Some(0.5),
918            tools: vec![],
919            tool_choice: None,
920            thread_id: None,
921            prompt_id: None,
922            intent: None,
923            mode: None,
924            stop: vec![],
925            thinking_allowed: true,
926        };
927
928        let mistral_request = into_mistral(request, mistral::Model::MistralSmallLatest, None);
929
930        assert_eq!(mistral_request.model, "mistral-small-latest");
931        assert_eq!(mistral_request.temperature, Some(0.5));
932        assert_eq!(mistral_request.messages.len(), 2);
933        assert!(mistral_request.stream);
934    }
935
936    #[test]
937    fn test_into_mistral_with_image() {
938        let request = LanguageModelRequest {
939            messages: vec![LanguageModelRequestMessage {
940                role: Role::User,
941                content: vec![
942                    MessageContent::Text("What's in this image?".into()),
943                    MessageContent::Image(LanguageModelImage {
944                        source: "base64data".into(),
945                        size: Default::default(),
946                    }),
947                ],
948                cache: false,
949            }],
950            tools: vec![],
951            tool_choice: None,
952            temperature: None,
953            thread_id: None,
954            prompt_id: None,
955            intent: None,
956            mode: None,
957            stop: vec![],
958            thinking_allowed: true,
959        };
960
961        let mistral_request = into_mistral(request, mistral::Model::Pixtral12BLatest, None);
962
963        assert_eq!(mistral_request.messages.len(), 1);
964        assert!(matches!(
965            &mistral_request.messages[0],
966            mistral::RequestMessage::User {
967                content: mistral::MessageContent::Multipart { .. }
968            }
969        ));
970
971        if let mistral::RequestMessage::User {
972            content: mistral::MessageContent::Multipart { content },
973        } = &mistral_request.messages[0]
974        {
975            assert_eq!(content.len(), 2);
976            assert!(matches!(
977                &content[0],
978                mistral::MessagePart::Text { text } if text == "What's in this image?"
979            ));
980            assert!(matches!(
981                &content[1],
982                mistral::MessagePart::ImageUrl { image_url } if image_url.starts_with("data:image/png;base64,")
983            ));
984        }
985    }
986}