# encoding: utf8
import os
import random
import shutil

from flask import Flask, request, json
import judgement
import logging

app = Flask(__name__)

logging.basicConfig(level=logging.DEBUG)


@app.route('/')
def hello_world():
    return 'Hello World!'


'''
code: string 源代码
language: string 编程语言{cpp,java,c,python}
timeLimit: int 时间限制
memoryLimit: int 内存限制
inputOutputMapping: hashmap 输入输出对
'''


@app.route('/api/judge', methods=['POST'])
def judge():
    requestData = request.get_data(as_text=True)
    data = json.loads(requestData)
    code = data['code']
    language = data['language']
    time_limit = int(data['timeLimit'])
    memory_limit = int(data['memoryLimit'])
    input_list = data['inputList']
    output_list = data['outputList']
    app_path = os.getcwd()
    rand = int(random.random() * 10000000)
    dir_name = 'commit-' + str(rand)
    while os.path.exists(dir_name):
        rand = rand+1
        dir_name = 'commit-' + str(rand)
    os.mkdir(dir_name)
    os.chdir(app_path+'/'+dir_name)

    if len(input_list) != len(output_list):
        return {"result_list": [{'result': "System Error"}],
                'message': 'test data incompleted'}
    td_total = len(input_list)
    save_test_cases(input_list, output_list, td_total)
    src_file = save_code(language, code)
    rst = judgement.judge(src_file, 'testcases', td_total, time_limit, memory_limit, language)
    os.chdir(app_path)
    shutil.rmtree(dir_name)
    return rst


def save_test_cases(input_list, output_list, td_total):
    if os.path.exists('testcases'):
        shutil.rmtree('testcases')
    os.mkdir('testcases')
    for i in range(0, td_total):
        in_file = open('testcases/' + str(i) + '.in', 'w')
        in_file.write(input_list[i])
        out_file = open('testcases/' + str(i) + '.out', 'w')
        out_file.write(output_list[i])


def save_code(language, code):
    src_file = None
    if language == 'c':
        src_file = open('main.c', 'w')
    elif language == 'cpp':
        src_file = open('main.cpp', 'w')
    elif language == 'java':
        src_file = open('Main.java', 'w')
    elif language == 'python':
        src_file = open('main.py', 'w')
    print(src_file.name)
    src_file.write(code)
    return src_file.name


if __name__ == '__main__':
    app.run()