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import gradio as gr
from front_end.js import js
from front_end.css import css
from LAMBDA import LAMBDA
from utils.utils import to_absolute_path

def launch_app():
    Lambda = LAMBDA(config_path='config.yaml')
    with gr.Blocks(theme=gr.themes.Soft(), css=css, js=js) as demo:

        with gr.Tab("LAMBDA"):
            gr.HTML("<H1>Welcome to LAMBDA! Easy Data Analysis!</H1>")
            chatbot = gr.Chatbot(value=Lambda.conv.chat_history_display, height=600, label="LAMBDA", show_copy_button=True, type="tuples")
            with gr.Group():
                with gr.Row(equal_height=True):
                    upload_btn = gr.UploadButton(label="Upload Data", scale=1)
                    msg = gr.Textbox(show_label=False, placeholder="Sent message to LLM", scale=6, elem_id="chatbot_input")
                    submit = gr.Button("Submit", scale=1)
            with gr.Row(equal_height=True):
                board = gr.Button(value="Show/Update DataFrame", elem_id="df_btn", elem_classes="df_btn")
                export_notebook = gr.Button(value="Notebook")
                down_notebook = gr.DownloadButton("Download Notebook", visible=False)
                generate_report = gr.Button(value="Generate Report")
                down_report = gr.DownloadButton("Download Report", visible=False)

                edit = gr.Button(value="Edit Code", elem_id="ed_btn", elem_classes="ed_btn")
                save = gr.Button(value="Save Dialogue")
                clear = gr.ClearButton(value="Clear All")

            with gr.Group():
                with gr.Row(visible=False, elem_id="ed", elem_classes="ed"):
                    code = gr.Code(label="Code", scale=6)
                    code_btn = gr.Button("Submit Code", scale=1)
            code_btn.click(fn=Lambda.chat_streaming, inputs=[msg, chatbot, code], outputs=[msg, chatbot]).then(
                Lambda.conv.stream_workflow, inputs=[chatbot, code], outputs=chatbot)

            df = gr.Dataframe(visible=False, elem_id="df", elem_classes="df")

            upload_btn.upload(fn=Lambda.add_file, inputs=upload_btn)
            msg.submit(Lambda.chat_streaming, [msg, chatbot], [msg, chatbot], queue=False).then(
                Lambda.conv.stream_workflow, chatbot, chatbot
            )
            submit.click(Lambda.chat_streaming, [msg, chatbot], [msg, chatbot], queue=False).then(
                Lambda.conv.stream_workflow, chatbot, chatbot
            )
            board.click(Lambda.open_board, inputs=[], outputs=df)
            edit.click(Lambda.rendering_code, inputs=None, outputs=code)
            export_notebook.click(Lambda.export_code, inputs=None, outputs=[export_notebook, down_notebook])
            down_notebook.click(Lambda.down_notebook, inputs=None, outputs=[export_notebook, down_notebook])
            generate_report.click(Lambda.generate_report, inputs=[chatbot], outputs=[generate_report, down_report])
            down_report.click(Lambda.down_report, inputs=None, outputs=[generate_report, down_report])
            save.click(Lambda.save_dialogue, inputs=chatbot)
            clear.click(fn=Lambda.clear_all, inputs=[msg, chatbot], outputs=[msg, chatbot])

        # The Configuration Page
        with gr.Tab("Configuration"):
            gr.Markdown("# System Configuration for LAMBDA")
            with gr.Row():
                conv_model = gr.Textbox(value="gpt-5-mini", label="Conversation Model")
                programmer_model = gr.Textbox(value="gpt-4.1-mini", label="Programmer Model")
                inspector_model = gr.Textbox(value="gpt-4.1-mini", label="Inspector Model")
            
            api_key = gr.Textbox(label="API Key", type="password", placeholder="Input Your API key")
            with gr.Row():
                base_url_conv_model = gr.Textbox(value='https://api.openai.com/v1', label="Base URL (Conv Model)")
                base_url_programmer = gr.Textbox(value='https://api.openai.com/v1', label="Base URL (Programmer)")
                base_url_inspector = gr.Textbox(value='https://api.openai.com/v1', label="Base URL (Inspector)")

            with gr.Row():
                max_attempts = gr.Number(value=5, label="Max Attempts", precision=0)
                max_exe_time = gr.Number(value=18000, label="Max Execution Time (s)", precision=0)
            with gr.Row():            
                load_chat = gr.Checkbox(value=False, label="Load from Cache")
                chat_history_path = gr.Textbox(label="Chat History Path", visible=False, interactive=True)
                
            save_btn = gr.Button("Save Configuration", variant="primary")
            status_output = gr.Markdown("")
            
            def toggle_chat_history_path(load_chat_checked):
                return gr.Textbox(visible=load_chat_checked, interactive=True)
            
            save_btn.click(
                fn=Lambda.update_config,
                inputs=[
                    conv_model, programmer_model, inspector_model, api_key,
                    base_url_conv_model, base_url_programmer, base_url_inspector,
                    max_attempts, max_exe_time,
                    load_chat, chat_history_path
                ],
                outputs=[status_output, chatbot]
            )

            load_chat.change(
                fn=toggle_chat_history_path,
                inputs=load_chat,
                outputs=chat_history_path
            )

    demo.launch(server_name="0.0.0.0", server_port=8000, allowed_paths=[to_absolute_path(Lambda.config["project_cache_path"])],
                share=True, inbrowser=True)


if __name__ == '__main__':
    launch_app()