import gradio as gr
import numpy as np
import random
import spaces  # [uncomment to use ZeroGPU]
from diffusers import DiffusionPipeline, DPMSolverSDEScheduler
import torch
from tags import tag_options_1, tag_options_2  # Import tags here

device = "cuda" if torch.cuda.is_available() else "cpu"
model_repo_id = "John6666/wai-ani-nsfw-ponyxl-v8-sdxl"  # Replace to the model you would like to use

if torch.cuda.is_available():
    torch_dtype = torch.float16
else:
    torch_dtype = torch.float32

pipe = DiffusionPipeline.from_pretrained(model_repo_id, torch_dtype=torch_dtype)
pipe = pipe.to(device)

MAX_SEED = np.iinfo(np.int32).max
MAX_IMAGE_SIZE = 1024

@spaces.GPU  # [uncomment to use ZeroGPU]
def infer(prompt, negative_prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps, tag_selection_1, tag_selection_2, use_tags, progress=gr.Progress(track_tqdm=True)):

    # Determine final prompt
    if use_tags:
        selected_tags_1 = [tag_options_1[tag] for tag in tag_selection_1 if tag in tag_options_1]
        selected_tags_2 = [tag_options_2[tag] for tag in tag_selection_2 if tag in tag_options_2]
        tags_text = ', '.join(selected_tags_1 + selected_tags_2)
        final_prompt = f'score_9, score_8_up, score_7_up, source_anime, {tags_text}'
    else:
        final_prompt = f'score_9, score_8_up, score_7_up, source_anime, {prompt}'

    # Concatenate user-provided negative prompt with additional restrictions
    additional_negatives = "worst quality, bad quality, jpeg artifacts, source_cartoon, 3d, (censor), monochrome, blurry, lowres, watermark"
    full_negative_prompt = f"{additional_negatives}, {negative_prompt}"

    if randomize_seed:
        seed = random.randint(0, MAX_SEED)

    generator = torch.Generator().manual_seed(seed)

    # Generate the image with the final prompts
    image = pipe(
        prompt=final_prompt,
        negative_prompt=full_negative_prompt,
        guidance_scale=guidance_scale,
        num_inference_steps=num_inference_steps,
        width=width,
        height=height,
        generator=generator
    ).images[0]

    # Return image, seed, and the used prompts
    return image, seed, f"Prompt used: {final_prompt}\nNegative prompt used: {full_negative_prompt}"


examples = [
    "Astronaut in a jungle, cold color palette, muted colors, detailed, 8k",
    "An astronaut riding a green horse",
    "A delicious ceviche cheesecake slice",
]

css = """
#col-container {
    margin: 0 auto;
    max-width: 640px;
}
#run-button {
    width: 100%;
}
"""

with gr.Blocks(css=css) as demo:

    with gr.Column(elem_id="col-container"):
        gr.Markdown("""
        # Text-to-Image Gradio Template
        """)

        # Display result image at the top
        result = gr.Image(label="Result", show_label=False)

        # Add a textbox to display the prompts used for generation
        prompt_info = gr.Textbox(label="Prompts Used", lines=3, interactive=False)

        # Tabbed interface to select either Prompt or Tags
        with gr.Tabs() as tabs:
            with gr.TabItem("Prompt Input"):
                prompt = gr.Text(
                    label="Prompt",
                    show_label=False,
                    max_lines=1,
                    placeholder="Enter your prompt",
                    container=False,
                )
                use_tags = gr.State(False)

            with gr.TabItem("Tag Selection"):
                # Separate each tag section vertically
                with gr.Column():
                    tag_selection_1 = gr.CheckboxGroup(choices=list(tag_options_1.keys()), label="Select Tags (Style)")
                with gr.Column():
                    tag_selection_2 = gr.CheckboxGroup(choices=list(tag_options_2.keys()), label="Select Tags (Theme)")
                use_tags = gr.State(True)

        # Full-width "Run" button
        run_button = gr.Button("Run", scale=0, elem_id="run-button")

        with gr.Accordion("Advanced Settings", open=False):
            negative_prompt = gr.Text(
                label="Negative prompt",
                max_lines=1,
                placeholder="Enter a negative prompt",
                visible=True,
            )

            seed = gr.Slider(
                label="Seed",
                minimum=0,
                maximum=MAX_SEED,
                step=1,
                value=0,
            )

            randomize_seed = gr.Checkbox(label="Randomize seed", value=True)

            with gr.Row():
                width = gr.Slider(
                    label="Width",
                    minimum=256,
                    maximum=MAX_IMAGE_SIZE,
                    step=32,
                    value=1024,
                )

                height = gr.Slider(
                    label="Height",
                    minimum=256,
                    maximum=MAX_IMAGE_SIZE,
                    step=32,
                    value=1024,
                )

            with gr.Row():
                guidance_scale = gr.Slider(
                    label="Guidance scale",
                    minimum=0.0,
                    maximum=10.0,
                    step=0.1,
                    value=7,
                )

                num_inference_steps = gr.Slider(
                    label="Number of inference steps",
                    minimum=1,
                    maximum=50,
                    step=1,
                    value=35,
                )

        # gr.Examples(
        #     examples=examples,
        #     inputs=[prompt]
        # )

    def check_tab(prompt, tag_selection_1, tag_selection_2, selected_tab):
        return selected_tab == "Tag Selection"

    tabs.change(check_tab, inputs=[prompt, tag_selection_1, tag_selection_2, tabs], outputs=use_tags)

    gr.on(
        triggers=[run_button.click, prompt.submit],
        fn=infer,
        inputs=[prompt, negative_prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps, tag_selection_1, tag_selection_2, use_tags],
        outputs=[result, seed, prompt_info]  # Include prompt_info in the outputs
    )

demo.queue().launch()