crabcode 0.0.1

(WIP) Rust AI CLI Coding Agent with a beautiful terminal UI
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use serde::{Deserialize, Serialize};

pub struct Model {
    pub id: String,
    pub name: String,
    pub provider_id: String,
    pub provider_name: String,
    pub capabilities: Vec<String>,
}

#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ModelConfig {
    pub provider_id: String,
    pub model_id: String,
    pub api_key: Option<String>,
    pub temperature: Option<f32>,
    pub max_tokens: Option<u32>,
}

impl ModelConfig {
    pub fn new(provider_id: String, model_id: String) -> Self {
        Self {
            provider_id,
            model_id,
            api_key: None,
            temperature: None,
            max_tokens: None,
        }
    }

    pub fn with_api_key(mut self, api_key: String) -> Self {
        self.api_key = Some(api_key);
        self
    }

    pub fn with_temperature(mut self, temperature: f32) -> Self {
        self.temperature = Some(temperature);
        self
    }

    pub fn with_max_tokens(mut self, max_tokens: u32) -> Self {
        self.max_tokens = Some(max_tokens);
        self
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_model_config_new() {
        let config = ModelConfig::new("nano-gpt".to_string(), "gpt-4-mini".to_string());
        assert_eq!(config.provider_id, "nano-gpt");
        assert_eq!(config.model_id, "gpt-4-mini");
        assert!(config.api_key.is_none());
        assert!(config.temperature.is_none());
        assert!(config.max_tokens.is_none());
    }

    #[test]
    fn test_model_config_builder() {
        let config = ModelConfig::new("nano-gpt".to_string(), "gpt-4-mini".to_string())
            .with_api_key("test-key".to_string())
            .with_temperature(0.7)
            .with_max_tokens(4096);

        assert_eq!(config.provider_id, "nano-gpt");
        assert_eq!(config.model_id, "gpt-4-mini");
        assert_eq!(config.api_key, Some("test-key".to_string()));
        assert_eq!(config.temperature, Some(0.7));
        assert_eq!(config.max_tokens, Some(4096));
    }

    #[test]
    fn test_model_config_serialization() {
        let config = ModelConfig::new("z-ai".to_string(), "coding-plan".to_string())
            .with_api_key("secret-key".to_string())
            .with_temperature(0.5)
            .with_max_tokens(2048);

        let serialized = serde_json::to_string(&config).unwrap();
        let deserialized: ModelConfig = serde_json::from_str(&serialized).unwrap();

        assert_eq!(deserialized.provider_id, config.provider_id);
        assert_eq!(deserialized.model_id, config.model_id);
        assert_eq!(deserialized.api_key, config.api_key);
        assert_eq!(deserialized.temperature, config.temperature);
        assert_eq!(deserialized.max_tokens, config.max_tokens);
    }
}