llmkit 0.1.3

//! Resemble AI provider for voice cloning and synthesis.
//!
//! Resemble AI provides voice cloning and text-to-speech services.

use crate::error::{Error, Result};
use serde::{Deserialize, Serialize};

/// Resemble AI provider
pub struct ResembleProvider {
    #[allow(dead_code)]
    api_key: String,
    #[allow(dead_code)]
    base_url: String,
}

impl ResembleProvider {
    /// Create a new Resemble provider
    pub fn new(api_key: &str) -> Self {
        Self {
            api_key: api_key.to_string(),
            base_url: "https://app.resemble.ai/api/v2".to_string(),
        }
    }

    /// Create with custom base URL
    pub fn with_base_url(api_key: &str, base_url: &str) -> Self {
        Self {
            api_key: api_key.to_string(),
            base_url: base_url.to_string(),
        }
    }

    /// Create from environment variable
    pub fn from_env() -> Result<Self> {
        let api_key = std::env::var("RESEMBLE_API_KEY")
            .map_err(|_| Error::Configuration("RESEMBLE_API_KEY not set".to_string()))?;
        Ok(Self::new(&api_key))
    }

    /// Get list of available features
    pub async fn list_features(&self) -> Result<Vec<String>> {
        Ok(vec![
            "text-to-speech".to_string(),
            "voice-cloning".to_string(),
            "speech-to-speech".to_string(),
            "neural-audio-editing".to_string(),
        ])
    }

    /// Get feature details
    pub fn get_feature_info(feature: &str) -> Option<ResembleFeatureInfo> {
        match feature {
            "text-to-speech" => Some(ResembleFeatureInfo {
                name: feature.to_string(),
                description: "Convert text to speech".to_string(),
                languages: 24,
                features: vec![
                    "emotion-control".to_string(),
                    "ssml".to_string(),
                    "real-time".to_string(),
                ],
                use_cases: vec![
                    "audiobooks".to_string(),
                    "podcasts".to_string(),
                    "games".to_string(),
                ],
            }),
            "voice-cloning" => Some(ResembleFeatureInfo {
                name: feature.to_string(),
                description: "Clone any voice with samples".to_string(),
                languages: 24,
                features: vec![
                    "rapid-cloning".to_string(),
                    "custom-voices".to_string(),
                    "api-integration".to_string(),
                ],
                use_cases: vec![
                    "personalization".to_string(),
                    "brand-voice".to_string(),
                    "localization".to_string(),
                ],
            }),
            "speech-to-speech" => Some(ResembleFeatureInfo {
                name: feature.to_string(),
                description: "Transform speech to another voice".to_string(),
                languages: 10,
                features: vec!["voice-conversion".to_string(), "real-time".to_string()],
                use_cases: vec!["dubbing".to_string(), "voice-acting".to_string()],
            }),
            "neural-audio-editing" => Some(ResembleFeatureInfo {
                name: feature.to_string(),
                description: "Edit audio with AI".to_string(),
                languages: 5,
                features: vec![
                    "fill-in".to_string(),
                    "replace-words".to_string(),
                    "timing-adjustment".to_string(),
                ],
                use_cases: vec!["post-production".to_string(), "corrections".to_string()],
            }),
            _ => None,
        }
    }
}

/// Resemble feature information
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ResembleFeatureInfo {
    pub name: String,
    pub description: String,
    pub languages: u32,
    pub features: Vec<String>,
    pub use_cases: Vec<String>,
}

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

    #[test]
    fn test_provider_creation() {
        let provider = ResembleProvider::new("test-key");
        assert!(provider.base_url.contains("resemble.ai"));
    }

    #[tokio::test]
    async fn test_list_features() {
        let provider = ResembleProvider::new("test-key");
        let features = provider.list_features().await.unwrap();
        assert!(features.len() >= 3);
    }

    #[test]
    fn test_feature_info() {
        let info = ResembleProvider::get_feature_info("voice-cloning").unwrap();
        assert_eq!(info.languages, 24);
    }
}