#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
"""
-------------------------------------------------------------------------
This file is part of the MindStudio project.
Copyright (c) 2025 Huawei Technologies Co.,Ltd.

MindStudio is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

         http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
-------------------------------------------------------------------------
"""

import smtplib
from datetime import datetime, timezone
from email.header import Header
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText


class PerformanceResult:
    def __init__(self, num, module, name, result, baseline, real_time):
        self.num = num
        self.module = module
        self.name = name
        self.result = result
        self.baseline = baseline
        self.real_time = real_time


class EmailSender:
    def __init__(self, sender, username, passwd, receivers):
        self.sender = sender
        self.username = username
        self.passwd = passwd
        self.receivers = receivers

    @staticmethod
    def generate_email_content(test_results):
        count_pass = 0
        for tmp in test_results:
            if tmp.result == 'pass':
                count_pass += 1
        count_all = len(test_results)
        count_fail = count_all - count_pass
        pass_rate = 100 if count_all == 0 else round(count_pass * 100 / count_all, 2)
        test_time = datetime.now(tz=timezone.utc).strftime("%Y-%m-%d")
        subject = f'[MindStudio-Insight][master] 每日性能用例测试报告_{test_time} ' \
                  f'(Total: {count_all} Fail: {count_fail} Pass: {count_pass})'
        email = {}
        email.update({'subject': subject})
        if not test_results:
            email.update({'html_content': '<div>Test failed, see the log for details.</div>'})
            return email

        color = 'red' if pass_rate < 90 else 'black'
        html_content = (
            "<head>"
            f"<title>{subject}</title>"
            "<style>"
            ".fail { color:#CD0000; } .pass { color:#458B00; } "
            "font { size:'5'; face:'arial'; }"
            "td { text-align:center;vertical-align:middle; }"
            "</style>"
            "</head>"
            "<body>"
            f"<p><font size='4' color='black'><b>用例通过率为:</span><font size='4' color='{color}'>{pass_rate}%</span></p>"
            "<table width='800' border='2' bordercolor='black' cellspacing='2'>"
            "   <tr>"
            "       <td><strong>Case No</strong></td>"
            "       <td><strong>Model Name</strong></td>"
            "       <td><strong>Case Name</strong></td>"
            "       <td><strong><font>Test Result</font></strong></td>"
            "       <td><strong>Baseline Time(ms)</strong></td>"
            "       <td><strong>Real Time(ms)</strong></td>"
            "   </tr>"
        )

        for result in test_results:
            html_content += (
                "<tr>"
                f"   <td>{result.num}</td>"
                f"   <td>{result.module}</td>"
                f"   <td>{result.name}</td>"
                f"   <td class = {result.result}><strong>{result.result}<strong></td>"
                f"   <td>{result.baseline}</td>"
                f"   <td>{result.real_time}</td>"
                "</tr>"
            )
        email.update({'html_content': html_content})

        return email

    def send(self, subject, html_content, attachment_path, receivers, cc_list):
        message = MIMEMultipart()
        message['Subject'] = Header(subject, 'utf-8')
        message['From'] = self.sender
        message['To'] = ', '.join(receivers)
        message['Cc'] = ', '.join(cc_list)

        content = MIMEText(html_content, _subtype='html', _charset='utf-8')
        message.attach(content)

        smtp_obj = smtplib.SMTP('smtp.huawei.com')
        smtp_obj.login(self.username, self.passwd)
        smtp_obj.sendmail(self.sender, receivers + cc_list, message.as_string())
        smtp_obj.quit()