import numpy as np
import gradio as gr
import requests
import time
import json
import base64
import os
from PIL import Image
from io import BytesIO

class Prodia:
    def __init__(self, api_key, base=None):
        self.base = base or "https://api.prodia.com/v1"
        self.headers = {
            "X-Prodia-Key": api_key
        }
    
    def generate(self, params):
        response = self._post(f"{self.base}/job", params)
        return response.json()
    
    def transform(self, params):
        response = self._post(f"{self.base}/transform", params)
        return response.json()
    
    def controlnet(self, params):
        response = self._post(f"{self.base}/controlnet", params)
        return response.json()
    
    def get_job(self, job_id):
        response = self._get(f"{self.base}/job/{job_id}")
        return response.json()

    def wait(self, job):
        job_result = job

        while job_result['status'] not in ['succeeded', 'failed']:
            time.sleep(0.25)
            job_result = self.get_job(job['job'])

        return job_result

    def list_models(self):
        response = self._get(f"{self.base}/models/list")
        return response.json()

    def _post(self, url, params):
        headers = {
            **self.headers,
            "Content-Type": "application/json"
        }
        response = requests.post(url, headers=headers, data=json.dumps(params))

        if response.status_code != 200:
            raise Exception(f"Bad Prodia Response: {response.status_code}")

        return response

    def _get(self, url):
        response = requests.get(url, headers=self.headers)

        if response.status_code != 200:
            raise Exception(f"Bad Prodia Response: {response.status_code}")

        return response


def image_to_base64(image_path):
    # Open the image with PIL
    with Image.open(image_path) as image:
        # Convert the image to bytes
        buffered = BytesIO()
        image.save(buffered, format="PNG")  # You can change format to PNG if needed
        
        # Encode the bytes to base64
        img_str = base64.b64encode(buffered.getvalue())

    return img_str.decode('utf-8')  # Convert bytes to string



prodia_client = Prodia(api_key=os.getenv("PRODIA_API_KEY"))

def flip_text(prompt, negative_prompt, model, steps, sampler, cfg_scale):
    result = prodia_client.generate({
        "prompt": prompt,
        "negative_prompt": negative_prompt,
        "model": model,
        "steps": steps,
        "sampler": sampler,
        "cfg_scale": cfg_scale
    })

    job = prodia_client.wait(result)

    return job["imageUrl"]

css = """
#generate {
    height: 100%;
}
"""

with gr.Blocks(css=css) as demo:
    with gr.Tab("txt2img"):
        with gr.Row():
            with gr.Column(scale=6, min_width=600):
                prompt = gr.Textbox(placeholder="Prompt", show_label=False, lines=3)
                negative_prompt = gr.Textbox(placeholder="Negative Prompt", show_label=False, lines=3)
            with gr.Column(equal_height=True):
                text_button = gr.Button("Generate", variant='primary', elem_id="generate")
                
        with gr.Row():
            with gr.Column(scale=3):
                with gr.Tab("Generation"):
                    with gr.Row():
                        with gr.Column(scale=1):
                            model = gr.Dropdown(interactive=True,value="v1-5-pruned-emaonly.safetensors [d7049739]", show_label=False, choices=prodia_client.list_models())

                            sampler = gr.Dropdown(value="Euler a", show_label=False, choices=[
                                	"Euler",
                                    "Euler a",
                                    "LMS",
                                    "Heun",
                                    "DPM2",
                                    "DPM2 a",
                                    "DPM++ 2S a",
                                    "DPM++ 2M",
                                    "DPM++ SDE",
                                    "DPM fast",
                                    "DPM adaptive",
                                    "LMS Karras",
                                    "DPM2 Karras",
                                    "DPM2 a Karras",
                                    "DPM++ 2S a Karras",
                                    "DPM++ 2M Karras",
                                    "DPM++ SDE Karras",
                                    "DDIM",
                                    "PLMS",
                            ])

                        with gr.Column(scale=1):
                            steps = gr.Slider(label="Steps", miniumum=1, maximum=50, value=25)
                            cfg_scale = gr.Slider(label="CFG Scale", miniumum=1, maximum=20, value=7)
                
            with gr.Column(scale=2):
                image_output = gr.Image()

        text_button.click(flip_text, inputs=[prompt, negative_prompt, model, steps, sampler, cfg_scale], outputs=image_output)
    

demo.launch()