Init repo

src/providers/grok.rs

@@ -0,0 +1,92 @@
+use async_trait::async_trait;
+use anyhow::Result;
+use futures::stream::BoxStream;
+
+use crate::{
+    models::UnifiedRequest,
+    errors::AppError,
+    config::AppConfig,
+};
+use super::{ProviderResponse, ProviderStreamChunk};
+
+pub struct GrokProvider {
+    _client: reqwest::Client,
+    _config: crate::config::GrokConfig,
+    _api_key: String,
+    pricing: Vec<crate::config::ModelPricing>,
+}
+
+impl GrokProvider {
+    pub fn new(config: &crate::config::GrokConfig, app_config: &AppConfig) -> Result<Self> {
+        let api_key = app_config.get_api_key("grok")?;
+        
+        let client = reqwest::Client::builder()
+            .timeout(std::time::Duration::from_secs(30))
+            .build()?;
+        
+        Ok(Self {
+            _client: client,
+            _config: config.clone(),
+            _api_key: api_key,
+            pricing: app_config.pricing.grok.clone(),
+        })
+    }
+}
+
+#[async_trait]
+impl super::Provider for GrokProvider {
+    fn name(&self) -> &str {
+        "grok"
+    }
+
+    fn supports_model(&self, model: &str) -> bool {
+        model.starts_with("grok-") || model.contains("grok")
+    }
+
+    fn supports_multimodal(&self) -> bool {
+        false  // Unknown - assume false until API is researched
+    }
+
+    async fn chat_completion(
+        &self,
+        request: UnifiedRequest,
+    ) -> Result<ProviderResponse, AppError> {
+        // TODO: Implement actual Grok API call (once API is available)
+        // For now, return placeholder response
+        Ok(ProviderResponse {
+            content: "Grok provider not yet implemented (API not researched)".to_string(),
+            prompt_tokens: 0,
+            completion_tokens: 0,
+            total_tokens: 0,
+            model: request.model,
+        })
+    }
+
+    fn estimate_tokens(&self, request: &UnifiedRequest) -> Result<u32> {
+        Ok(crate::utils::tokens::estimate_request_tokens(&request.model, request))
+    }
+
+    fn calculate_cost(&self, model: &str, prompt_tokens: u32, completion_tokens: u32, registry: &crate::models::registry::ModelRegistry) -> f64 {
+        if let Some(metadata) = registry.find_model(model) {
+            if let Some(cost) = &metadata.cost {
+                return (prompt_tokens as f64 * cost.input / 1_000_000.0) + 
+                       (completion_tokens as f64 * cost.output / 1_000_000.0);
+            }
+        }
+        
+        let (prompt_rate, completion_rate) = self.pricing.iter()
+            .find(|p| model.contains(&p.model))
+            .map(|p| (p.prompt_tokens_per_million, p.completion_tokens_per_million))
+            .unwrap_or((1.0, 3.0)); // Default to some reasonable Grok price if not found
+            
+        (prompt_tokens as f64 * prompt_rate / 1_000_000.0) + (completion_tokens as f64 * completion_rate / 1_000_000.0)
+    }
+
+    async fn chat_completion_stream(
+        &self,
+        _request: UnifiedRequest,
+    ) -> Result<BoxStream<'static, Result<ProviderStreamChunk, AppError>>, AppError> {
+        // Grok API not yet implemented
+        Err(AppError::ProviderError("Streaming not supported for Grok provider (API not implemented)".to_string()))
+    }
+}