use std::{pin::pin, time::Instant};

use aha::models::{GenerateModel, qwen3vl::generate::Qwen3VLGenerateModel};
use anyhow::Result;
use openai_dive::v1::resources::chat::ChatCompletionParameters;
use rocket::futures::StreamExt;

#[test]
fn qwen3vl_generate() -> Result<()> {
    // test with cuda: RUST_BACKTRACE=1 cargo test -F cuda qwen3vl_generate -- --nocapture

    let model_path = "/home/jhq/huggingface_model/Qwen/Qwen3-VL-2B-Instruct/";

    let message = r#"
    {
        "model": "qwen3vl",
        "messages": [
            {
                "role": "user",
                "content": [ 
                    {
                        "type": "video",
                        "video_url": 
                        {
                            "url": "./assets/video/video_test.mp4"
                        }
                    },               
                    {
                        "type": "text", 
                        "text": "视频中发生了什么."
                    }
                ]
            }
        ]
    }
    "#;
    let mes: ChatCompletionParameters = serde_json::from_str(message)?;
    let i_start = Instant::now();
    let mut qwen3vl = Qwen3VLGenerateModel::init(model_path, None, None)?;
    let i_duration = i_start.elapsed();
    println!("Time elapsed in load model is: {:?}", i_duration);

    let i_start = Instant::now();
    let res = qwen3vl.generate(mes)?;
    let i_duration = i_start.elapsed();
    println!("generate: \n {:?}", res);
    println!("Time elapsed in generate is: {:?}", i_duration);
    Ok(())
}

#[tokio::test]
async fn qwen3vl_stream() -> Result<()> {
    // test with cuda: RUST_BACKTRACE=1 cargo test -F cuda qwen3vl_stream -- --nocapture

    let model_path = "/home/jhq/huggingface_model/Qwen/Qwen3-VL-2B-Instruct/";

    let message = r#"
    {
        "model": "qwen3vl",
        "messages": [
            {
                "role": "user",
                "content": [ 
                    {
                        "type": "image",
                        "image_url": 
                        {
                            "url": "file://./assets/img/voxcpm.png"
                        }
                    },              
                    {
                        "type": "text", 
                        "text": "描述这张图片"
                    }
                ]
            }
        ]
    }
    "#;
    let mes: ChatCompletionParameters = serde_json::from_str(message)?;
    let i_start = Instant::now();
    let mut qwen3vl = Qwen3VLGenerateModel::init(model_path, None, None)?;
    let i_duration = i_start.elapsed();
    println!("Time elapsed in load model is: {:?}", i_duration);

    let i_start = Instant::now();
    let mut stream = pin!(qwen3vl.generate_stream(mes)?);
    while let Some(item) = stream.next().await {
        println!("generate: \n {:?}", item);
    }
    let i_duration = i_start.elapsed();
    println!("Time elapsed in generate is: {:?}", i_duration);
    Ok(())
}