import gradio as gr

from modules import logits, shared, ui, utils
from modules.prompts import count_tokens, load_prompt
from modules.text_generation import (
    generate_reply_wrapper,
    stop_everything_event
)
from modules.utils import gradio

inputs = ('textbox-notebook', 'interface_state')
outputs = ('textbox-notebook', 'html-notebook')


def create_ui():
    with gr.Tab('Notebook', elem_id='notebook-tab'):
        shared.gradio['last_input-notebook'] = gr.State('')
        with gr.Row():
            with gr.Column(scale=4):
                with gr.Tab('Raw'):
                    with gr.Row():
                        shared.gradio['textbox-notebook'] = gr.Textbox(value='', elem_classes=['textbox', 'add_scrollbar'], lines=27)
                        shared.gradio['token-counter-notebook'] = gr.HTML(value="<span>0</span>", elem_classes=["token-counter"])

                with gr.Tab('Markdown'):
                    shared.gradio['markdown_render-notebook'] = gr.Button('Render')
                    shared.gradio['markdown-notebook'] = gr.Markdown()

                with gr.Tab('HTML'):
                    shared.gradio['html-notebook'] = gr.HTML()

                with gr.Tab('Logits'):
                    with gr.Row():
                        with gr.Column(scale=10):
                            shared.gradio['get_logits-notebook'] = gr.Button('Get next token probabilities')
                        with gr.Column(scale=1):
                            shared.gradio['use_samplers-notebook'] = gr.Checkbox(label='Use samplers', value=True, elem_classes=['no-background'])

                    with gr.Row():
                        shared.gradio['logits-notebook'] = gr.Textbox(lines=23, label='Output', elem_classes=['textbox_logits', 'add_scrollbar'])
                        shared.gradio['logits-notebook-previous'] = gr.Textbox(lines=23, label='Previous output', elem_classes=['textbox_logits', 'add_scrollbar'])

                with gr.Row():
                    shared.gradio['Generate-notebook'] = gr.Button('Generate', variant='primary', elem_classes='small-button')
                    shared.gradio['Stop-notebook'] = gr.Button('Stop', elem_classes='small-button', elem_id='stop')
                    shared.gradio['Undo'] = gr.Button('Undo', elem_classes='small-button')
                    shared.gradio['Regenerate-notebook'] = gr.Button('Regenerate', elem_classes='small-button')

            with gr.Column(scale=1):
                gr.HTML('<div style="padding-bottom: 13px"></div>')
                with gr.Row():
                    shared.gradio['prompt_menu-notebook'] = gr.Dropdown(choices=utils.get_available_prompts(), value='None', label='Prompt', elem_classes='slim-dropdown')
                    ui.create_refresh_button(shared.gradio['prompt_menu-notebook'], lambda: None, lambda: {'choices': utils.get_available_prompts()}, ['refresh-button', 'refresh-button-small'])
                    shared.gradio['save_prompt-notebook'] = gr.Button('💾', elem_classes=['refresh-button', 'refresh-button-small'])
                    shared.gradio['delete_prompt-notebook'] = gr.Button('🗑️', elem_classes=['refresh-button', 'refresh-button-small'])


def create_event_handlers():
    shared.gradio['Generate-notebook'].click(
        lambda x: x, gradio('textbox-notebook'), gradio('last_input-notebook')).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        generate_reply_wrapper, gradio(inputs), gradio(outputs), show_progress=False).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        lambda: None, None, None, _js=f'() => {{{ui.audio_notification_js}}}')

    shared.gradio['textbox-notebook'].submit(
        lambda x: x, gradio('textbox-notebook'), gradio('last_input-notebook')).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        generate_reply_wrapper, gradio(inputs), gradio(outputs), show_progress=False).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        lambda: None, None, None, _js=f'() => {{{ui.audio_notification_js}}}')

    shared.gradio['Undo'].click(lambda x: x, gradio('last_input-notebook'), gradio('textbox-notebook'), show_progress=False)
    shared.gradio['markdown_render-notebook'].click(lambda x: x, gradio('textbox-notebook'), gradio('markdown-notebook'), queue=False)
    shared.gradio['Regenerate-notebook'].click(
        lambda x: x, gradio('last_input-notebook'), gradio('textbox-notebook'), show_progress=False).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        generate_reply_wrapper, gradio(inputs), gradio(outputs), show_progress=False).then(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        lambda: None, None, None, _js=f'() => {{{ui.audio_notification_js}}}')

    shared.gradio['Stop-notebook'].click(stop_everything_event, None, None, queue=False)
    shared.gradio['prompt_menu-notebook'].change(load_prompt, gradio('prompt_menu-notebook'), gradio('textbox-notebook'), show_progress=False)
    shared.gradio['save_prompt-notebook'].click(
        lambda x: x, gradio('textbox-notebook'), gradio('save_contents')).then(
        lambda: 'prompts/', None, gradio('save_root')).then(
        lambda: utils.current_time() + '.txt', None, gradio('save_filename')).then(
        lambda: gr.update(visible=True), None, gradio('file_saver'))

    shared.gradio['delete_prompt-notebook'].click(
        lambda: 'prompts/', None, gradio('delete_root')).then(
        lambda x: x + '.txt', gradio('prompt_menu-notebook'), gradio('delete_filename')).then(
        lambda: gr.update(visible=True), None, gradio('file_deleter'))

    shared.gradio['textbox-notebook'].input(lambda x: f"<span>{count_tokens(x)}</span>", gradio('textbox-notebook'), gradio('token-counter-notebook'), show_progress=False)
    shared.gradio['get_logits-notebook'].click(
        ui.gather_interface_values, gradio(shared.input_elements), gradio('interface_state')).then(
        logits.get_next_logits, gradio('textbox-notebook', 'interface_state', 'use_samplers-notebook', 'logits-notebook'), gradio('logits-notebook', 'logits-notebook-previous'), show_progress=False)