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import os
# os.environ["OTEL_TRACES_EXPORTER"] = "none"

import gradio as gr
import uuid
from utils.chat import ChatLaborLaw


# Function to initialize a new session and create chatbot instance for that session
async def initialize_session():
    session_id = str(uuid.uuid4())[:8]
    chatbot = ChatLaborLaw()
    # chatbot = Chat("gemini-2.0-flash")
    history = []
    return "", session_id, chatbot, history


# Function to handle user input and chatbot response
async def chat_function(prompt, history, session_id, chatbot):
    if chatbot is None:
        return history, "", session_id, chatbot # Skip if chatbot not ready
    
    # Append the user's input to the message history
    history.append({"role": "user", "content": prompt})

    # Get the response from the chatbot
    response = await chatbot.chat(prompt)  # ใช้ await ได้แล้ว
    
    # Append the assistant's response to the message history
    history.append({"role": "assistant", "content": response})
    
    return history, "", session_id, chatbot


# Function to save feedback with chat history
async def send_feedback(feedback, history, session_id, chatbot):
    os.makedirs("app/feedback", exist_ok=True)
    filename = f"app/feedback/feedback_{session_id}.txt"
    with open(filename, "a", encoding="utf-8") as f:
        f.write("=== Feedback Received ===\n")
        f.write(f"Session ID: {session_id}\n")
        f.write(f"Feedback: {feedback}\n")
        f.write("Chat History:\n")
        for msg in history:
            f.write(f"{msg['role']}: {msg['content']}\n")
        f.write("\n--------------------------\n\n")
    return "" # Clear feedback input


# Create the Gradio interface
with gr.Blocks(theme=gr.themes.Soft(primary_hue="amber")) as demo:
    gr.Markdown("# สอบถามเรื่องกฎหมายแรงงาน")

    # Initialize State
    session_state = gr.State()
    chatbot_instance = gr.State()
    chatbot_history = gr.State([])

    # Chat UI
    chatbot_interface = gr.Chatbot(type="messages", label="Chat History")
    user_input = gr.Textbox(placeholder="Type your message here...", elem_id="user_input", lines=1)

    submit_button = gr.Button("Send")
    clear_button = gr.Button("Delete Chat History")

    # Submit actions
    submit_button.click(
        fn=chat_function,
        inputs=[user_input, chatbot_history, session_state, chatbot_instance],
        outputs=[chatbot_interface, user_input, session_state, chatbot_instance]
    )

    user_input.submit(
        fn=chat_function,
        inputs=[user_input, chatbot_history, session_state, chatbot_instance],
        outputs=[chatbot_interface, user_input, session_state, chatbot_instance]
    )

    # # Clear history
    # clear_button.click(lambda: [], outputs=chatbot_interface)
    clear_button.click(
        fn=initialize_session,
        inputs=[],
        outputs=[user_input, session_state, chatbot_instance, chatbot_history]
    ).then(
        fn=lambda: gr.update(value=[]),
        inputs=[],
        outputs=chatbot_interface
    )


    # Feedback section
    with gr.Row():
        feedback_input = gr.Textbox(placeholder="Send us feedback...", label="Feedback")
        send_feedback_button = gr.Button("Send Feedback")

    send_feedback_button.click(
        fn=send_feedback,
        inputs=[feedback_input, chatbot_history, session_state, chatbot_instance],
        outputs=[feedback_input]
    )

    # Initialize session on load
    demo.load(
        fn=initialize_session,
        inputs=[],
        outputs=[user_input, session_state, chatbot_instance, chatbot_history]
    )

# Launch
demo.launch(share=True)

# import os
# os.environ["OTEL_TRACES_EXPORTER"] = "none"

# import gradio as gr
# import uuid
# from utils.chat import ChatLaborLaw


# def initialize_session():
#     """
#     สร้าง session ID ใหม่ และสร้าง instance ใหม่ของ ChatLaborLaw
#     """
#     session_id = str(uuid.uuid4())[:8]
#     chatbot_instance = ChatLaborLaw() 
#     return "", session_id, chatbot_instance, []

# async def chat_function(prompt: str, history_ui: list, chatbot_instance: ChatLaborLaw):
#     """
#     จัดการการสนทนา
#     """
#     if chatbot_instance is None or not prompt.strip():
#         return history_ui, chatbot_instance, ""

#     response = await chatbot_instance.chat(prompt)
#     history_ui.append((prompt, response))
#     return history_ui, chatbot_instance, ""

# def save_feedback(feedback: str, history_ui: list, session_id: str):
#     """
#     บันทึก Feedback
#     """
#     if not feedback.strip():
#         return ""
#     os.makedirs("feedback", exist_ok=True)
#     filename = f"feedback/feedback_{session_id}.txt"
#     with open(filename, "a", encoding="utf-8") as f:
#         f.write("=== Feedback Received ===\n")
#         f.write(f"Session ID: {session_id}\n")
#         f.write(f"Feedback: {feedback}\n\n")
#         f.write("Chat History:\n")
#         for user_msg, assistant_msg in history_ui:
#             f.write(f"User: {user_msg}\n")
#             f.write(f"Assistant: {assistant_msg}\n")
#             f.write("-" * 20 + "\n")
#         f.write("\n==========================\n\n")
#     gr.Info("ขอบคุณสำหรับข้อเสนอแนะ!")
#     return ""

# # --------------------------------------------------------------------------
# # สร้าง Gradio Interface
# # --------------------------------------------------------------------------
# with gr.Blocks(theme=gr.themes.Soft(primary_hue="amber")) as demo:
#     gr.Markdown("# สอบถามเรื่องกฎหมายแรงงาน")

#     session_id_state = gr.State()
#     chatbot_instance_state = gr.State()
    
#     chatbot_interface = gr.Chatbot(
#         label="ประวัติการสนทนา", 
#         height=550, 
#         # bubble_styling=False,
#         show_copy_button=True
#     )
#     user_input = gr.Textbox(placeholder="พิมพ์คำถามของคุณที่นี่...", label="คำถาม", lines=2)

#     with gr.Row():
#         submit_button = gr.Button("ส่ง", variant="primary", scale=4)
#         clear_button = gr.Button("เริ่มการสนทนาใหม่", scale=1)

#     submit_event = submit_button.click(
#         fn=chat_function,
#         inputs=[user_input, chatbot_interface, chatbot_instance_state],
#         outputs=[chatbot_interface, chatbot_instance_state, user_input]
#     )
#     user_input.submit(
#         fn=chat_function,
#         inputs=[user_input, chatbot_interface, chatbot_instance_state],
#         outputs=[chatbot_interface, chatbot_instance_state, user_input]
#     )

#     clear_button.click(
#         fn=initialize_session,
#         inputs=[],
#         outputs=[user_input, session_id_state, chatbot_instance_state, chatbot_interface],
#         queue=False
#     )

#     with gr.Accordion("ส่งข้อเสนอแนะ (Feedback)", open=False):
#         feedback_input = gr.Textbox(placeholder="ความคิดเห็นของคุณมีความสำคัญต่อการพัฒนาของเรา...", label="Feedback", lines=2, scale=4)
#         send_feedback_button = gr.Button("ส่ง Feedback")

#     send_feedback_button.click(
#         fn=save_feedback,
#         inputs=[feedback_input, chatbot_interface, session_id_state],
#         outputs=[feedback_input],
#         queue=False
#     )

#     demo.load(
#         fn=initialize_session,
#         inputs=[],
#         outputs=[user_input, session_id_state, chatbot_instance_state, chatbot_interface]
#     )

# demo.queue().launch()


# # # Function to initialize a new session and create chatbot instance for that session
# # async def initialize_session():
# #     session_id = str(uuid.uuid4())[:8]
# #     chatbot = ChatLaborLaw()
# #     # chatbot = Chat("gemini-2.0-flash")
# #     history = []
# #     return "", session_id, chatbot, history


# # # Function to handle user input and chatbot response
# # async def chat_function(prompt, history, session_id, chatbot):
# #     if chatbot is None:
# #         return history, "", session_id, chatbot # Skip if chatbot not ready
    
# #     # Append the user's input to the message history
# #     history.append({"role": "user", "content": prompt})

# #     # Get the response from the chatbot
# #     response = await chatbot.chat(prompt)  # ใช้ await ได้แล้ว
    
# #     # Append the assistant's response to the message history
# #     history.append({"role": "assistant", "content": response})
    
# #     return history, "", session_id, chatbot


# # # Function to save feedback with chat history
# # async def send_feedback(feedback, history, session_id, chatbot):
# #     os.makedirs("app/feedback", exist_ok=True)
# #     filename = f"app/feedback/feedback_{session_id}.txt"
# #     with open(filename, "a", encoding="utf-8") as f:
# #         f.write("=== Feedback Received ===\n")
# #         f.write(f"Session ID: {session_id}\n")
# #         f.write(f"Feedback: {feedback}\n")
# #         f.write("Chat History:\n")
# #         for msg in history:
# #             f.write(f"{msg['role']}: {msg['content']}\n")
# #         f.write("\n--------------------------\n\n")
# #     return "" # Clear feedback input


# # # Create the Gradio interface
# # with gr.Blocks(theme=gr.themes.Soft(primary_hue="amber")) as demo:
# #     gr.Markdown("# สอบถามเรื่องกฎหมายแรงงาน")

# #     # Initialize State
# #     session_state = gr.State()
# #     chatbot_instance = gr.State()
# #     chatbot_history = gr.State([])

# #     # Chat UI
# #     chatbot_interface = gr.Chatbot(type="messages", label="Chat History")
# #     user_input = gr.Textbox(placeholder="Type your message here...", elem_id="user_input", lines=1)

# #     submit_button = gr.Button("Send")
# #     clear_button = gr.Button("Delete Chat History")

# #     # Submit actions
# #     submit_button.click(
# #         fn=chat_function,
# #         inputs=[user_input, chatbot_history, session_state, chatbot_instance],
# #         outputs=[chatbot_interface, user_input, session_state, chatbot_instance]
# #     )

# #     user_input.submit(
# #         fn=chat_function,
# #         inputs=[user_input, chatbot_history, session_state, chatbot_instance],
# #         outputs=[chatbot_interface, user_input, session_state, chatbot_instance]
# #     )

# #     # # Clear history
# #     # clear_button.click(lambda: [], outputs=chatbot_interface)
# #     clear_button.click(
# #         fn=initialize_session,
# #         inputs=[],
# #         outputs=[user_input, session_state, chatbot_instance, chatbot_history]
# #     ).then(
# #         fn=lambda: gr.update(value=[]),
# #         inputs=[],
# #         outputs=chatbot_interface
# #     )


# #     # Feedback section
# #     with gr.Row():
# #         feedback_input = gr.Textbox(placeholder="Send us feedback...", label="Feedback")
# #         send_feedback_button = gr.Button("Send Feedback")

# #     send_feedback_button.click(
# #         fn=send_feedback,
# #         inputs=[feedback_input, chatbot_history, session_state, chatbot_instance],
# #         outputs=[feedback_input]
# #     )

# #     # Initialize session on load
# #     demo.load(
# #         fn=initialize_session,
# #         inputs=[],
# #         outputs=[user_input, session_state, chatbot_instance, chatbot_history]
# #     )

# # # Launch
# # demo.launch(share=True)