import argparse
import json

import torch

from FC_ML_Data.FC_ML_Data_Process.Data_Process_Normalization import Normalizer
from FC_ML_NN_Model.Poly_Model import PolyModel
from FC_ML_Tool.Serialization import parse_json_file

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='代理模型训练参数输入')
    parser.add_argument('--param', default='D:\liyong\project\ModelTrainingPython\FC_ML_Baseline\FC_ML_Baseline_Test\pred\param.json',
                        help='配置参数文件绝对路径')
    args = parser.parse_args()
    params = parse_json_file(args.param)
    print(params)
    source_dir = params["path"] + "/"
    model_file = source_dir + params["modelFile"]
    inputs = []
    names = params["output"]["names"]
    #获取输入特征
    for input_value in params["input"]:
        inputs.append(input_value["value"])
        # names.append(input_value["name"])
    #记载模型进行预测
    input_size = params["modelParams"]["inputSize"]
    output_size = params["modelParams"]["outputSize"]
    model_path = params["path"] + "/" + params["modelFile"]
    device = torch.device('cpu')
    model = PolyModel(input_size,output_size).to(device)
    model.load_state_dict(torch.load(model_file))
    model.eval()

    #加载数据处理器
    normalization_type = params["modelParams"]["normalizerType"]
    normalization_max = params["modelParams"]["normalizerMax"]
    normalization_min = params["modelParams"]["normalizerMin"]
    normalizer = Normalizer(method=normalization_type)
    normalizer.load_params(normalization_type,normalization_min[0:input_size],normalization_max[0:input_size])
    input_data = normalizer.transform(torch.tensor(inputs))

    #执行模型预测
    with torch.no_grad():
        output_data = model(input_data)
        # print(f"Prediction result: {output_data.item().tolist():.4f}")
        normalizer.load_params(normalization_type, normalization_min[-output_size:], normalization_max[-output_size:])
        output_data_ori = normalizer.inverse_transform(output_data)
        # print(f"Prediction real result: {output_data_ori.item().tolist():.4f}")
        #输出预测结果到文件中
        output_datas = output_data_ori.tolist()
        json_str = {}

        if len(output_datas) == len(names):
            for i in range(len(names)):
                json_str[names[i]] = output_datas[i]

        with open(source_dir + "forecast.json","w") as f:
            f.write(json.dumps(json_str, indent=None, ensure_ascii=False))