import gradio as gr
import requests
import io
import random
import os
from PIL import Image

# List of available models
list_models = [
    "SDXL-1.0", "SD-1.5", "OpenJourney-V4", "Anything-V4",
    "Disney-Pixar-Cartoon", "Pixel-Art-XL", "Dalle-3-XL", "Midjourney-V4-XL",
]

# Function to generate images from text
def generate_txt2img(current_model, prompt, is_negative=False, image_style="None style", steps=50, cfg_scale=7, seed=None):

    if current_model == "SD-1.5":
        API_URL = "https://api-inference.huggingface.co/models/runwayml/stable-diffusion-v1-5"
    elif current_model == "SDXL-1.0":
        API_URL = "https://api-inference.huggingface.co/models/stabilityai/stable-diffusion-xl-base-1.0"
    elif current_model == "OpenJourney-V4":
        API_URL = "https://api-inference.huggingface.co/models/prompthero/openjourney"       
    elif current_model == "Anything-V4":
        API_URL = "https://api-inference.huggingface.co/models/xyn-ai/anything-v4.0" 
    elif current_model == "Disney-Pixar-Cartoon":
        API_URL = "https://api-inference.huggingface.co/models/stablediffusionapi/disney-pixar-cartoon"
    elif current_model == "Pixel-Art-XL":
        API_URL = "https://api-inference.huggingface.co/models/nerijs/pixel-art-xl"
    elif current_model == "Dalle-3-XL":
        API_URL = "https://api-inference.huggingface.co/models/openskyml/dalle-3-xl"
    elif current_model == "Midjourney-V4-XL":
        API_URL = "https://api-inference.huggingface.co/models/openskyml/midjourney-v4-xl"    

    API_TOKEN = os.environ.get("HF_READ_TOKEN")
    headers = {"Authorization": f"Bearer {API_TOKEN}"}


    if image_style == "None style":
        payload = {
            "inputs": prompt + ", 8k",
            "is_negative": is_negative,
            "steps": steps,
            "cfg_scale": cfg_scale,
            "seed": seed if seed is not None else random.randint(-1, 2147483647)
        }
    elif image_style == "Cinematic":
        payload = {
            "inputs": prompt + ", realistic, detailed, textured, skin, hair, eyes, by Alex Huguet, Mike Hill, Ian Spriggs, JaeCheol Park, Marek Denko",
            "is_negative": is_negative + ", abstract, cartoon, stylized",
            "steps": steps,
            "cfg_scale": cfg_scale,
            "seed": seed if seed is not None else random.randint(-1, 2147483647)
        }
    elif image_style == "Digital Art":
        payload = {
            "inputs": prompt + ", faded , vintage , nostalgic , by Jose Villa , Elizabeth Messina , Ryan Brenizer , Jonas Peterson , Jasmine Star",
            "is_negative": is_negative + ", sharp , modern , bright",
            "steps": steps,
            "cfg_scale": cfg_scale,
            "seed": seed if seed is not None else random.randint(-1, 2147483647)
        }
    elif image_style == "Portrait":
        payload = {
            "inputs": prompt + ", soft light, sharp, exposure blend, medium shot, bokeh, (hdr:1.4), high contrast, (cinematic, teal and orange:0.85), (muted colors, dim colors, soothing tones:1.3), low saturation, (hyperdetailed:1.2), (noir:0.4), (natural skin texture, hyperrealism, soft light, sharp:1.2)",
            "is_negative": is_negative,
            "steps": steps,
            "cfg_scale": cfg_scale,
            "seed": seed if seed is not None else random.randint(-1, 2147483647)
        }

    image_bytes = requests.post(API_URL, headers=headers, json=payload).content
    image = Image.open(io.BytesIO(image_bytes))
    return image


css = """
/* Custom CSS */
.gradio-container {
    font-family: 'IBM Plex Sans', sans-serif;
    max-width: 900px;
    margin: auto;
    padding-top: 1.5rem;
    border-radius: 15px; /* 添加圆角边框 */
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1); /* 可选：为深度添加阴影 */
}

/* Button Styles */
.gr-button {
    color: white;
    border-color: black;
    background: black;
    white-space: nowrap;
    border-radius: 8px; /* 圆角按钮 */
    transition: background-color 0.3s, color 0.3s; /* 平滑的悬停效果过渡 */
}

.gr-button:hover {
    background-color: #555; /* 悬停时略微变亮的黑色 */
    color: #fff;
}

.gr-button:focus {
    /* [其他焦点样式] */
}

/* Textbox Styles */
.gr-textbox {
    border-radius: 8px; /* 文本框的圆角边框 */
    border: 1px solid #ccc; /* 添加微弱的边框 */
    transition: border-color 0.3s; /* 焦点效果的过渡 */
}

.gr-textbox:focus {
    border-color: #333; /* 焦点时较暗的边框 */
    outline: none; /* 移除默认轮廓 */
}

/* Footer Styles */
/* [这里不需要更改，除非你想要圆角边框] */

/* Share Button Styles */
#share-btn-container {
    /* [现有样式] */
    border-radius: 20px; /* 更圆角的分享按钮容器 */
}

/* Animation Styles */
/* [这里不需要更改] */

/* Gallery Styles */
#gallery {
    /* [现有样式] */
    border-radius: 12px; /* 图库的圆角边框 */
}

/* 图片大小限制 */
.gradio-container img {
    max-width: 100%; /* 图片宽度不超过父容器的100% */
    height: auto; /* 自适应高度 */
}
"""

# Creating Gradio interface
with gr.Blocks(css=css) as demo:
    
    with gr.Row():
        with gr.Column():
            gr.Markdown("<h1>AI Diffusion</h1>")
            current_model = gr.Dropdown(label="Select Model", choices=list_models, value=list_models[1])
            text_prompt = gr.Textbox(label="Enter Prompt", placeholder="Example: a cute dog", lines=2)
            generate_button = gr.Button("Generate Image", variant='primary')

        with gr.Column():
            gr.Markdown("<h4>Advanced Settings</h4>")
            with gr.Accordion("Advanced Customizations", open=False):
                negative_prompt = gr.Textbox(label="Negative Prompt (Optional)", placeholder="Example: blurry, unfocused", lines=2)
                image_style = gr.Dropdown(label="Select Style", choices=["None style", "Cinematic", "Digital Art", "Portrait"], value="None style")
                # Add more options if needed

    with gr.Row():
        image_output = gr.Image(type="pil", label="Output Image")

    generate_button.click(generate_txt2img, inputs=[current_model, text_prompt, negative_prompt, image_style], outputs=image_output)

# Launch the app
demo.launch()