import gradio as gr
import random
import os
import time
import shared
import modules.path
import fooocus_version
import modules.html
import modules.async_worker as worker
import modules.constants as constants
import modules.flags as flags
import modules.gradio_hijack as grh
import modules.advanced_parameters as advanced_parameters
import args_manager

from modules.sdxl_styles import legal_style_names
from modules.private_logger import get_current_html_path
from modules.ui_gradio_extensions import reload_javascript
from modules.auth import auth_enabled, check_auth


def generate_clicked(*args):
    # outputs=[progress_html, progress_window, progress_gallery, gallery]

    execution_start_time = time.perf_counter()

    worker.outputs = []

    yield gr.update(visible=True, value=modules.html.make_progress_html(1, 'Initializing ...')), \
        gr.update(visible=True, value=None), \
        gr.update(visible=False, value=None), \
        gr.update(visible=False)

    worker.buffer.append(list(args))
    finished = False

    while not finished:
        time.sleep(0.01)
        if len(worker.outputs) > 0:
            flag, product = worker.outputs.pop(0)
            if flag == 'preview':

                # help bad internet connection by skipping duplicated preview
                if len(worker.outputs) > 0:  # if we have the next item
                    if worker.outputs[0][0] == 'preview':   # if the next item is also a preview
                        # print('Skipped one preview for better internet connection.')
                        continue

                percentage, title, image = product
                yield gr.update(visible=True, value=modules.html.make_progress_html(percentage, title)), \
                    gr.update(visible=True, value=image) if image is not None else gr.update(), \
                    gr.update(), \
                    gr.update(visible=False)
            if flag == 'results':
                yield gr.update(visible=True), \
                    gr.update(visible=True), \
                    gr.update(visible=True, value=product), \
                    gr.update(visible=False)
            if flag == 'finish':
                yield gr.update(visible=False), \
                    gr.update(visible=False), \
                    gr.update(visible=False), \
                    gr.update(visible=True, value=product)
                finished = True

    execution_time = time.perf_counter() - execution_start_time
    print(f'Total time: {execution_time:.2f} seconds')
    return


reload_javascript()

shared.gradio_root = gr.Blocks(
    title=f'Fooocus {fooocus_version.version} ' + ('' if args_manager.args.preset is None else args_manager.args.preset),
    css=modules.html.css).queue()

with shared.gradio_root:
    with gr.Row():
        with gr.Column(scale=2):
            with gr.Row():
                progress_window = grh.Image(label='Preview', show_label=True, height=640, visible=False)
                progress_gallery = gr.Gallery(label='Finished Images', show_label=True, object_fit='contain', height=640, visible=False)
            progress_html = gr.HTML(value=modules.html.make_progress_html(32, 'Progress 32%'), visible=False, elem_id='progress-bar', elem_classes='progress-bar')
            gallery = gr.Gallery(label='Gallery', show_label=False, object_fit='contain', height=745, visible=True, elem_classes='resizable_area')
            with gr.Row(elem_classes='type_row'):
                with gr.Column(scale=17):
                    prompt = gr.Textbox(show_label=False, placeholder="Type prompt here.", elem_id='positive_prompt',
                                        container=False, autofocus=True, elem_classes='type_row', lines=1024)

                    default_prompt = modules.path.default_prompt
                    if isinstance(default_prompt, str) and default_prompt != '':
                        shared.gradio_root.load(lambda: default_prompt, outputs=prompt)

                with gr.Column(scale=3, min_width=0):
                    generate_button = gr.Button(label="Generate", value="Generate", elem_classes='type_row', elem_id='generate_button', visible=True)
                    skip_button = gr.Button(label="Skip", value="Skip", elem_classes='type_row_half', visible=False)
                    stop_button = gr.Button(label="Stop", value="Stop", elem_classes='type_row_half', elem_id='stop_button', visible=False)

                    def stop_clicked():
                        import fcbh.model_management as model_management
                        shared.last_stop = 'stop'
                        model_management.interrupt_current_processing()
                        return [gr.update(interactive=False)] * 2

                    def skip_clicked():
                        import fcbh.model_management as model_management
                        shared.last_stop = 'skip'
                        model_management.interrupt_current_processing()
                        return

                    stop_button.click(stop_clicked, outputs=[skip_button, stop_button], queue=False, _js='cancelGenerateForever')
                    skip_button.click(skip_clicked, queue=False)
            with gr.Row(elem_classes='advanced_check_row'):
                input_image_checkbox = gr.Checkbox(label='Input Image', value=False, container=False, elem_classes='min_check')
                advanced_checkbox = gr.Checkbox(label='Advanced', value=modules.path.default_advanced_checkbox, container=False, elem_classes='min_check')
            with gr.Row(visible=False) as image_input_panel:
                with gr.Tabs():
                    with gr.TabItem(label='Upscale or Variation') as uov_tab:
                        with gr.Row():
                            with gr.Column():
                                uov_input_image = grh.Image(label='Drag above image to here', source='upload', type='numpy')
                            with gr.Column():
                                uov_method = gr.Radio(label='Upscale or Variation:', choices=flags.uov_list, value=flags.disabled)
                                gr.HTML('<a href="https://github.com/lllyasviel/Fooocus/discussions/390" target="_blank">\U0001F4D4 Document</a>')
                    with gr.TabItem(label='Image Prompt') as ip_tab:
                        with gr.Row():
                            ip_images = []
                            ip_types = []
                            ip_stops = []
                            ip_weights = []
                            ip_ctrls = []
                            ip_ad_cols = []
                            for _ in range(4):
                                with gr.Column():
                                    ip_image = grh.Image(label='Image', source='upload', type='numpy', show_label=False, height=300)
                                    ip_images.append(ip_image)
                                    ip_ctrls.append(ip_image)
                                    with gr.Column(visible=False) as ad_col:
                                        with gr.Row():
                                            default_end, default_weight = flags.default_parameters[flags.default_ip]

                                            ip_stop = gr.Slider(label='Stop At', minimum=0.0, maximum=1.0, step=0.001, value=default_end)
                                            ip_stops.append(ip_stop)
                                            ip_ctrls.append(ip_stop)

                                            ip_weight = gr.Slider(label='Weight', minimum=0.0, maximum=2.0, step=0.001, value=default_weight)
                                            ip_weights.append(ip_weight)
                                            ip_ctrls.append(ip_weight)

                                        ip_type = gr.Radio(label='Type', choices=flags.ip_list, value=flags.default_ip, container=False)
                                        ip_types.append(ip_type)
                                        ip_ctrls.append(ip_type)

                                        ip_type.change(lambda x: flags.default_parameters[x], inputs=[ip_type], outputs=[ip_stop, ip_weight], queue=False, show_progress=False)
                                    ip_ad_cols.append(ad_col)
                        ip_advanced = gr.Checkbox(label='Advanced', value=False, container=False)
                        gr.HTML('* \"Image Prompt\" is powered by Fooocus Image Mixture Engine (v1.0.1). <a href="https://github.com/lllyasviel/Fooocus/discussions/557" target="_blank">\U0001F4D4 Document</a>')

                        def ip_advance_checked(x):
                            return [gr.update(visible=x)] * len(ip_ad_cols) + \
                                [flags.default_ip] * len(ip_types) + \
                                [flags.default_parameters[flags.default_ip][0]] * len(ip_stops) + \
                                [flags.default_parameters[flags.default_ip][1]] * len(ip_weights)

                        ip_advanced.change(ip_advance_checked, inputs=ip_advanced,
                                           outputs=ip_ad_cols + ip_types + ip_stops + ip_weights, queue=False)

                    with gr.TabItem(label='Inpaint or Outpaint (beta)') as inpaint_tab:
                        inpaint_input_image = grh.Image(label='Drag above image to here', source='upload', type='numpy', tool='sketch', height=500, brush_color="#FFFFFF", elem_id='inpaint_canvas')
                        gr.HTML('Outpaint Expansion Direction:')
                        outpaint_selections = gr.CheckboxGroup(choices=['Left', 'Right', 'Top', 'Bottom'], value=[], label='Outpaint', show_label=False, container=False)
                        gr.HTML('* Powered by Fooocus Inpaint Engine (beta) <a href="https://github.com/lllyasviel/Fooocus/discussions/414" target="_blank">\U0001F4D4 Document</a>')

            switch_js = "(x) => {if(x){setTimeout(() => window.scrollTo({ top: 850, behavior: 'smooth' }), 50);}else{setTimeout(() => window.scrollTo({ top: 0, behavior: 'smooth' }), 50);} return x}"
            down_js = "() => {setTimeout(() => window.scrollTo({ top: 850, behavior: 'smooth' }), 50);}"

            input_image_checkbox.change(lambda x: gr.update(visible=x), inputs=input_image_checkbox, outputs=image_input_panel, queue=False, _js=switch_js)
            ip_advanced.change(lambda: None, queue=False, _js=down_js)

            current_tab = gr.Textbox(value='uov', visible=False)
            uov_tab.select(lambda: 'uov', outputs=current_tab, queue=False, _js=down_js, show_progress=False)
            inpaint_tab.select(lambda: 'inpaint', outputs=current_tab, queue=False, _js=down_js, show_progress=False)
            ip_tab.select(lambda: 'ip', outputs=current_tab, queue=False, _js=down_js, show_progress=False)

        with gr.Column(scale=1, visible=modules.path.default_advanced_checkbox) as advanced_column:
            with gr.Tab(label='Setting'):
                performance_selection = gr.Radio(label='Performance', choices=['Speed', 'Quality'], value='Speed')
                aspect_ratios_selection = gr.Radio(label='Aspect Ratios', choices=modules.path.available_aspect_ratios,
                                                   value=modules.path.default_aspect_ratio, info='width × height')
                image_number = gr.Slider(label='Image Number', minimum=1, maximum=32, step=1, value=modules.path.default_image_number)
                negative_prompt = gr.Textbox(label='Negative Prompt', show_label=True, placeholder="Type prompt here.",
                                             info='Describing what you do not want to see.', lines=2,
                                             elem_id='negative_prompt',
                                             value=modules.path.default_prompt_negative)
                seed_random = gr.Checkbox(label='Random', value=True)
                image_seed = gr.Textbox(label='Seed', value=0, max_lines=1, visible=False) # workaround for https://github.com/gradio-app/gradio/issues/5354

                def random_checked(r):
                    return gr.update(visible=not r)

                def refresh_seed(r, seed_string):
                    if r:
                        return random.randint(constants.MIN_SEED, constants.MAX_SEED)
                    else:
                        try:
                            seed_value = int(seed_string)
                            if constants.MIN_SEED <= seed_value <= constants.MAX_SEED:
                                return seed_value
                        except ValueError:
                            pass
                        return random.randint(constants.MIN_SEED, constants.MAX_SEED)

                seed_random.change(random_checked, inputs=[seed_random], outputs=[image_seed], queue=False)

                gr.HTML(f'<a href="/file={get_current_html_path()}" target="_blank">\U0001F4DA History Log</a>')

            with gr.Tab(label='Style'):
                style_selections = gr.CheckboxGroup(show_label=False, container=False,
                                                    choices=legal_style_names,
                                                    value=modules.path.default_styles,
                                                    label='Image Style')
            with gr.Tab(label='Model'):
                with gr.Row():
                    base_model = gr.Dropdown(label='Base Model (SDXL only)', choices=modules.path.model_filenames, value=modules.path.default_base_model_name, show_label=True)
                    refiner_model = gr.Dropdown(label='Refiner (SDXL or SD 1.5)', choices=['None'] + modules.path.model_filenames, value=modules.path.default_refiner_model_name, show_label=True)

                refiner_switch = gr.Slider(label='Refiner Switch At', minimum=0.1, maximum=1.0, step=0.0001,
                                           info='Use 0.4 for SD1.5 realistic models; '
                                                'or 0.667 for SD1.5 anime models; '
                                                'or 0.8 for XL-refiners; '
                                                'or any value for switching two SDXL models.',
                                           value=modules.path.default_refiner_switch,
                                           visible=modules.path.default_refiner_model_name != 'None')

                refiner_model.change(lambda x: gr.update(visible=x != 'None'),
                                     inputs=refiner_model, outputs=refiner_switch, show_progress=False, queue=False)

                with gr.Accordion(label='LoRAs', open=True):
                    lora_ctrls = []
                    for i in range(5):
                        with gr.Row():
                            lora_model = gr.Dropdown(label=f'SDXL LoRA {i+1}', choices=['None'] + modules.path.lora_filenames, value=modules.path.default_lora_name if i == 0 else 'None')
                            lora_weight = gr.Slider(label='Weight', minimum=-2, maximum=2, step=0.01, value=modules.path.default_lora_weight)
                            lora_ctrls += [lora_model, lora_weight]
                with gr.Row():
                    model_refresh = gr.Button(label='Refresh', value='\U0001f504 Refresh All Files', variant='secondary', elem_classes='refresh_button')
            with gr.Tab(label='Advanced'):
                sharpness = gr.Slider(label='Sampling Sharpness', minimum=0.0, maximum=30.0, step=0.001, value=modules.path.default_sample_sharpness,
                                      info='Higher value means image and texture are sharper.')
                guidance_scale = gr.Slider(label='Guidance Scale', minimum=1.0, maximum=30.0, step=0.01, value=modules.path.default_cfg_scale,
                                      info='Higher value means style is cleaner, vivider, and more artistic.')
                gr.HTML('<a href="https://github.com/lllyasviel/Fooocus/discussions/117" target="_blank">\U0001F4D4 Document</a>')
                dev_mode = gr.Checkbox(label='Developer Debug Mode', value=False, container=False)

                with gr.Column(visible=False) as dev_tools:
                    with gr.Tab(label='Developer Debug Tools'):
                        adm_scaler_positive = gr.Slider(label='Positive ADM Guidance Scaler', minimum=0.1, maximum=3.0,
                                                        step=0.001, value=1.5, info='The scaler multiplied to positive ADM (use 1.0 to disable). ')
                        adm_scaler_negative = gr.Slider(label='Negative ADM Guidance Scaler', minimum=0.1, maximum=3.0,
                                                        step=0.001, value=0.8, info='The scaler multiplied to negative ADM (use 1.0 to disable). ')
                        adm_scaler_end = gr.Slider(label='ADM Guidance End At Step', minimum=0.0, maximum=1.0,
                                                   step=0.001, value=0.3,
                                                   info='When to end the guidance from positive/negative ADM. ')

                        refiner_swap_method = gr.Dropdown(label='Refiner swap method', value='joint',
                                                          choices=['joint', 'separate', 'vae'])

                        adaptive_cfg = gr.Slider(label='CFG Mimicking from TSNR', minimum=1.0, maximum=30.0, step=0.01, value=7.0,
                                                 info='Enabling Fooocus\'s implementation of CFG mimicking for TSNR '
                                                      '(effective when real CFG > mimicked CFG).')
                        sampler_name = gr.Dropdown(label='Sampler', choices=flags.sampler_list,
                                                   value=modules.path.default_sampler,
                                                   info='Only effective in non-inpaint mode.')
                        scheduler_name = gr.Dropdown(label='Scheduler', choices=flags.scheduler_list,
                                                     value=modules.path.default_scheduler,
                                                     info='Scheduler of Sampler.')

                        generate_image_grid = gr.Checkbox(label='Generate Image Grid for Each Batch',
                                                          info='(Experimental) This may cause performance problems on some computers and certain internet conditions.',
                                                          value=False)

                        overwrite_step = gr.Slider(label='Forced Overwrite of Sampling Step',
                                                   minimum=-1, maximum=200, step=1, value=-1,
                                                   info='Set as -1 to disable. For developer debugging.')
                        overwrite_switch = gr.Slider(label='Forced Overwrite of Refiner Switch Step',
                                                     minimum=-1, maximum=200, step=1, value=-1,
                                                     info='Set as -1 to disable. For developer debugging.')
                        overwrite_width = gr.Slider(label='Forced Overwrite of Generating Width',
                                                    minimum=-1, maximum=2048, step=1, value=-1,
                                                    info='Set as -1 to disable. For developer debugging. '
                                                         'Results will be worse for non-standard numbers that SDXL is not trained on.')
                        overwrite_height = gr.Slider(label='Forced Overwrite of Generating Height',
                                                     minimum=-1, maximum=2048, step=1, value=-1,
                                                     info='Set as -1 to disable. For developer debugging. '
                                                          'Results will be worse for non-standard numbers that SDXL is not trained on.')
                        overwrite_vary_strength = gr.Slider(label='Forced Overwrite of Denoising Strength of "Vary"',
                                                            minimum=-1, maximum=1.0, step=0.001, value=-1,
                                                            info='Set as negative number to disable. For developer debugging.')
                        overwrite_upscale_strength = gr.Slider(label='Forced Overwrite of Denoising Strength of "Upscale"',
                                                               minimum=-1, maximum=1.0, step=0.001, value=-1,
                                                               info='Set as negative number to disable. For developer debugging.')

                        inpaint_engine = gr.Dropdown(label='Inpaint Engine', value='v1', choices=['v1', 'v2.5'],
                                                     info='Version of Fooocus inpaint model')

                    with gr.Tab(label='Control Debug'):
                        debugging_cn_preprocessor = gr.Checkbox(label='Debug Preprocessors', value=False)

                        mixing_image_prompt_and_vary_upscale = gr.Checkbox(label='Mixing Image Prompt and Vary/Upscale',
                                                                           value=False)
                        mixing_image_prompt_and_inpaint = gr.Checkbox(label='Mixing Image Prompt and Inpaint',
                                                                      value=False)

                        controlnet_softness = gr.Slider(label='Softness of ControlNet', minimum=0.0, maximum=1.0,
                                                        step=0.001, value=0.25,
                                                        info='Similar to the Control Mode in A1111 (use 0.0 to disable). ')

                        with gr.Tab(label='Canny'):
                            canny_low_threshold = gr.Slider(label='Canny Low Threshold', minimum=1, maximum=255,
                                                            step=1, value=64)
                            canny_high_threshold = gr.Slider(label='Canny High Threshold', minimum=1, maximum=255,
                                                             step=1, value=128)

                    with gr.Tab(label='FreeU'):
                        freeu_enabled = gr.Checkbox(label='Enabled', value=False)
                        freeu_b1 = gr.Slider(label='B1', minimum=0, maximum=2, step=0.01, value=1.01)
                        freeu_b2 = gr.Slider(label='B2', minimum=0, maximum=2, step=0.01, value=1.02)
                        freeu_s1 = gr.Slider(label='S1', minimum=0, maximum=4, step=0.01, value=0.99)
                        freeu_s2 = gr.Slider(label='S2', minimum=0, maximum=4, step=0.01, value=0.95)
                        freeu_ctrls = [freeu_enabled, freeu_b1, freeu_b2, freeu_s1, freeu_s2]

                adps = [adm_scaler_positive, adm_scaler_negative, adm_scaler_end, adaptive_cfg, sampler_name,
                        scheduler_name, generate_image_grid, overwrite_step, overwrite_switch, overwrite_width, overwrite_height,
                        overwrite_vary_strength, overwrite_upscale_strength,
                        mixing_image_prompt_and_vary_upscale, mixing_image_prompt_and_inpaint,
                        debugging_cn_preprocessor, controlnet_softness, canny_low_threshold, canny_high_threshold,
                        inpaint_engine, refiner_swap_method]
                adps += freeu_ctrls

                def dev_mode_checked(r):
                    return gr.update(visible=r)


                dev_mode.change(dev_mode_checked, inputs=[dev_mode], outputs=[dev_tools], queue=False)

                def model_refresh_clicked():
                    modules.path.update_all_model_names()
                    results = []
                    results += [gr.update(choices=modules.path.model_filenames), gr.update(choices=['None'] + modules.path.model_filenames)]
                    for i in range(5):
                        results += [gr.update(choices=['None'] + modules.path.lora_filenames), gr.update()]
                    return results

                model_refresh.click(model_refresh_clicked, [], [base_model, refiner_model] + lora_ctrls, queue=False)

        advanced_checkbox.change(lambda x: gr.update(visible=x), advanced_checkbox, advanced_column, queue=False)

        ctrls = [
            prompt, negative_prompt, style_selections,
            performance_selection, aspect_ratios_selection, image_number, image_seed, sharpness, guidance_scale
        ]

        ctrls += [base_model, refiner_model, refiner_switch] + lora_ctrls
        ctrls += [input_image_checkbox, current_tab]
        ctrls += [uov_method, uov_input_image]
        ctrls += [outpaint_selections, inpaint_input_image]
        ctrls += ip_ctrls

        generate_button.click(lambda: (gr.update(visible=True, interactive=True), gr.update(visible=True, interactive=True), gr.update(visible=False), []), outputs=[stop_button, skip_button, generate_button, gallery]) \
            .then(fn=refresh_seed, inputs=[seed_random, image_seed], outputs=image_seed) \
            .then(advanced_parameters.set_all_advanced_parameters, inputs=adps) \
            .then(fn=generate_clicked, inputs=ctrls, outputs=[progress_html, progress_window, progress_gallery, gallery]) \
            .then(lambda: (gr.update(visible=True), gr.update(visible=False), gr.update(visible=False)), outputs=[generate_button, stop_button, skip_button]) \
            .then(fn=None, _js='playNotification')

        for notification_file in ['notification.ogg', 'notification.mp3']:
            if os.path.exists(notification_file):
                gr.Audio(interactive=False, value=notification_file, elem_id='audio_notification', visible=False)
                break


def dump_default_english_config():
    from modules.localization import dump_english_config
    dump_english_config(grh.all_components)


# dump_default_english_config()

shared.gradio_root.launch(
    inbrowser=args_manager.args.auto_launch,
    server_name=args_manager.args.listen,
    server_port=args_manager.args.port,
    share=args_manager.args.share,
    auth=check_auth if args_manager.args.share and auth_enabled else None,
    blocked_paths=[constants.AUTH_FILENAME]
)