use serde::{Deserialize, Serialize};

/// A message in the chat history
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ChatMessage {
    pub role: String,
    pub content: String,
}

/// Request body for the chat endpoint
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ChatRequest {
    pub message: String,
    #[serde(default)]
    pub history: Vec<ChatMessage>,
}

/// A source reference from the RAG retrieval
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SourceReference {
    pub file_path: String,
    pub qualified_name: String,
    pub start_line: u32,
    pub end_line: u32,
    pub language: String,
    pub snippet: String,
    pub score: f64,
}

/// Response from the chat endpoint
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ChatResponse {
    pub message: String,
    pub sources: Vec<SourceReference>,
}