import json
import os
import time

import gradio as gr
import requests

from demo.log import logger
from demo.util import download_svgs, upload_np_2_oss

API_KEY = os.getenv("API_KEY_GENERATION")

def convert_bool_to_str(value):
    if value:
        return "True"
    else:
        return "False"

def call_generation(input_path, 
                    preprocess, 
                    simplify, 
                    optimize, 
                    mode, 
                    subsample_ratio, 
                    speckle_removal, 
                    sorting_method,
                    sorting_order,
                    use_gpu):
    
    ## generate image name based on time stamp
    time_str = time.strftime("%Y%m%d%H%M%S", time.localtime())
    img_name = f"upload_{time_str}.png"
    svg_name = f"result_{time_str}"
    BATCH_SIZE = 1
    if simplify:
        BATCH_SIZE += 1
    if optimize:
        BATCH_SIZE += 1
    img_url = upload_np_2_oss(input_path, name=img_name)
    simplify = convert_bool_to_str(simplify)
    optimize = convert_bool_to_str(optimize)
    speckle_removal = convert_bool_to_str(speckle_removal)
    use_gpu = convert_bool_to_str(use_gpu)
    headers = {
        "Content-Type": "application/json",
        "Accept": "application/json",
        "Authorization": f"Bearer {API_KEY}",
        "X-DashScope-Async": "enable",
    }
    data = {
        "model": "pre-vectorize_anything-2333",
        "input": {
            "base_image_url": img_url
        },
        "parameters":{
            "preprocess": preprocess,
            "mode": mode,
            "simplify": simplify, 
            "optimize": optimize,
            "sorting_method": sorting_method,
            "sorting_order": sorting_order,
            "subsample_ratio": subsample_ratio,
            "speckle_removal": speckle_removal, 
            "use_GPU": use_gpu
        }
    }
    url_create_task = 'https://poc-dashscope.aliyuncs.com/api/v1/services/vision/image-process/process'

    all_res_ = []
    REPEAT = 1
    for _ in range(REPEAT):
        try:
            res_ = requests.post(url_create_task, data=json.dumps(data), headers=headers, timeout=60)
            print(json.dumps(data))
            all_res_.append(res_)
        except requests.Timeout:
            # back off and retry
            raise gr.Error("网络波动，请求失败，请再次尝试")

    all_image_data = []
    for res_ in all_res_:
        respose_code = res_.status_code
        if 200 == respose_code:
            res = json.loads(res_.content.decode())
            request_id = res['request_id']
            task_id = res['output']['task_id']
            logger.info(f"task_id: {task_id}: Create Poster Imitation request success. Params: {data}")

            # 异步查询
            is_running = True
            while is_running:
                # url_query = f'https://dashscope.aliyuncs.com/api/v1/tasks/{task_id}'
                url_query = f'https://poc-dashscope.aliyuncs.com/api/v1/tasks/{task_id}'
                try:
                    res_ = requests.post(url_query, headers=headers, timeout=60)
                except requests.Timeout:
                    # back off and retry
                    raise gr.Error("网络波动，请求失败，请再次尝试")
                respose_code = res_.status_code
                if 200 == respose_code:
                    res = json.loads(res_.content.decode())
                    if "SUCCEEDED" == res['output']['task_status']:
                        logger.info(f"task_id: {task_id}: Generation task query success.")
                        results = res['output']
                        img_urls = results['output_img']
                        logger.info(f"task_id: {task_id}: {res}")
                        break
                    elif "FAILED" != res['output']['task_status']:
                        logger.debug(f"task_id: {task_id}: query result...")
                        time.sleep(1)
                    else:
                        raise gr.Error('Fail to get results from Generation task.')

                else:
                    logger.error(f'task_id: {task_id}: Fail to query task result: {res_.content}')
                    raise gr.Error("Fail to query task result.")

            logger.info(f"task_id: {task_id}: download generated images.")
            img_data = download_svgs(img_urls, BATCH_SIZE, svg_name)
            logger.info(f"task_id: {task_id}: Generate done.")
            all_image_data += img_data
        else:
            logger.error(f'Fail to create Generation task: {res_.content}')
            raise gr.Error("Fail to create Generation task.")

    if len(all_image_data) != REPEAT * BATCH_SIZE:
        raise gr.Error("Fail to Generation.")
    return all_image_data[-1:]

if __name__ == "__main__":
    call_generation()