"""
来自 https://github.com/OpenLMLab/MOSS/blob/main/moss_web_demo_gradio.py


# 难点

## TODO


-[x] 代码和表格的预览
-[x] markdown解析：mdtex2html
-[ ] 可编辑chatbot：https://github.com/gradio-app/gradio/issues/4444
-[ ] 乱码问题


## Reference

- https://github.com/GaiZhenbiao/ChuanhuChatGPT/
"""

import config
from app_util import *

system_list = [
    "You are a helpful assistant.",
    "你是一个导游。",
    "你是一个英语老师。",
    "你是一个程序员。",
    "你是一个心理咨询师。",
]

"""
TODO: 使用说明
"""
with gr.Blocks() as demo:
    # Knowledge Distillation through Self Chatting
    gr.HTML("""<h1 align="center">Distilling the Knowledge through Self Chatting</h1>""")
    with gr.Row():
        system = gr.Dropdown(
            choices=system_list,
            value=system_list[0],
            allow_custom_value=True,
            interactive=True,
            label="System message",
            scale=4,
        )
        gr.Dropdown(
            ["Qwen2-0.5B-Instruct", "llama3.1", "gemini"],
            value="Qwen2-0.5B-Instruct",
            label="model",
            interactive=True,
            scale=1,
        )
    chatbot = gr.Chatbot(avatar_images=("assets/man.png", "assets/bot.png"))
    with gr.Row():
        with gr.Column(scale=4):
            generated_text = gr.Textbox(show_label=False, placeholder="...", lines=10, visible=False)
            with gr.Row():
                generate_btn = gr.Button("🤔️ Generate")
                retry_btn = gr.Button("🔄  Regenerate")
                undo_btn = gr.Button("↩️ Undo")
                clear_btn = gr.Button("🗑️  Clear")  # 🧹 Clear History (清除历史)
                stop_btn = gr.Button("停止生成", variant="primary")

        slider_max_tokens = gr.Slider(minimum=1, maximum=config.MAX_SEQUENCE_LENGTH,
                                      value=config.DEFAULT_MAX_TOKENS, step=1, label="Max tokens")
        slider_temperature = gr.Slider(minimum=0.1, maximum=10.0,
                                       value=config.DEFAULT_TEMPERATURE, step=0.1, label="Temperature",
                                       info="Larger temperature increase the randomness")
        slider_top_p = gr.Slider(
            minimum=0.1,
            maximum=1.0,
            value=config.DEFAULT_TOP_P,
            step=0.05,
            label="Top-p (nucleus sampling)",
        )

    ########
    history = gr.State([{"role": "system", "content": system_list[0]}])
    system.change(reset_state, inputs=[system], outputs=[chatbot, history])
    clear_btn.click(reset_state, inputs=[system], outputs=[chatbot, history])

    generate_btn.click(generate, [chatbot, history], outputs=[generated_text, chatbot, history],
                       show_progress="full")
    retry_btn.click(undo_generate, [chatbot, history], outputs=[generated_text, chatbot, history]) \
        .then(generate, [chatbot, history], outputs=[generated_text, chatbot, history],
              show_progress="full")
    undo_btn.click(undo_generate, [chatbot, history], outputs=[generated_text, chatbot, history])

    slider_max_tokens.change(set_max_tokens, inputs=[slider_max_tokens])
    slider_top_p.change(set_top_p, inputs=[slider_top_p])
    slider_temperature.change(set_temperature, inputs=[slider_temperature])

# demo.queue().launch(share=False, server_name="0.0.0.0")
# demo.queue().launch(concurrency_count=1, max_size=5)
demo.queue().launch()