use serde::{Deserialize, Serialize};
use std::path::Path;

#[derive(Debug, Serialize, Deserialize)]
pub struct VideoProcessRequest {
    pub input_path: String,
    pub output_path: String,
    pub operation: String,
    pub parameters: serde_json::Value,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct AudioAnalysisRequest {
    pub file_path: String,
    pub analysis_type: String,
}

#[tauri::command]
pub async fn process_video(input_path: String, output_path: String) -> Result<String, String> {
    println!("Processing video: {} -> {}", input_path, output_path);
    
    // Validate input file exists
    if !Path::new(&input_path).exists() {
        return Err(format!("Input file does not exist: {}", input_path));
    }
    
    // For now, just copy the file as a placeholder
    // In a real implementation, you would use FFmpeg or similar
    let result = std::fs::copy(&input_path, &output_path);
    
    match result {
        Ok(_) => Ok(format!("Video processed successfully: {}", output_path)),
        Err(e) => Err(format!("Failed to process video: {}", e))
    }
}

#[tauri::command]
pub async fn analyze_audio(file_path: String) -> Result<String, String> {
    println!("Analyzing audio: {}", file_path);
    
    // Validate input file exists
    if !Path::new(&file_path).exists() {
        return Err(format!("Audio file does not exist: {}", file_path));
    }
    
    // Placeholder for audio analysis
    // In a real implementation, you would use audio analysis libraries
    Ok(format!("Audio analysis completed for: {}", file_path))
}
