mistral.rs

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