import os
import tempfile
from email.mime.text import MIMEText
import sys
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
from slic.utils.sendmail import sendmail
from slic.utils.sendmail import *
import shutil 

'''
def test_sendmail_mime_format_to_file():
    from_addr = "robot@local"
    subject = "MIME Format Test"
    body = "This is the MIME body."

    # Create the temporary file to capture output
    with tempfile.NamedTemporaryFile("r+", delete=False) as tmp_file:
        tmp_path = tmp_file.name

    # Create a temporary shell script to act as a pipe receiver
    with tempfile.NamedTemporaryFile("w", suffix=".sh", delete=False) as script_file:
        script_path = script_file.name
        script_file.write(f"#!/bin/sh\ncat > {tmp_path}\n")
    os.chmod(script_path, 0o755)  # Make the script executable

    try:
        # Send email using the script as a fake receiver
        sendmail(
            to_addr=f"| {script_path}",
            from_addr=from_addr,
            subject=subject,
            body=body
        )

        # Read captured output
        with open(tmp_path, "r") as f:
            output = f.read()

        # Build expected MIME message
        msg = MIMEText(body)
        msg["To"] = f"| {script_path}"
        msg["From"] = from_addr
        msg["Subject"] = subject
        expected = msg.as_string()

        # Validate line-by-line
        for line in expected.splitlines():
            assert line in output, f"Missing line in output: {line!r}"

    finally:
        # Cleanup temp files
        os.remove(tmp_path)
        os.remove(script_path)
'''

import subprocess

def start_postfix():
    try:
        subprocess.run(["sudo", "service", "postfix", "start"], check=True)
        print("✅ Postfix started")
    except subprocess.CalledProcessError as e:
        print("❌ Failed to start postfix:", e)

def setup_postfix():
    subprocess.run("echo 'postfix postfix/mailname string localhost.localdomain' | sudo debconf-set-selections", shell=True)
    subprocess.run("echo 'postfix postfix/main_mailer_type string Internet Site' | sudo debconf-set-selections", shell=True)
    subprocess.run("sudo DEBIAN_FRONTEND=noninteractive apt-get install -y postfix", shell=True)


def test_sendmail_real_local_verbose():
    start_postfix()
    setup_postfix()
    
    to_addr = "yasmine.tligui@psi.ch"
    subject = "Test mail from pytest"
    body = "Hello! This is a real test sent using local sendmail."

    message = f"""Subject: {subject}
From: test@localhost
To: {to_addr}

{body}
"""

    print("=== SENDING MAIL ===")
    process = subprocess.Popen(
        ["/usr/sbin/sendmail", "-v", to_addr],
        stdin=subprocess.PIPE,
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
    )
    stdout, stderr = process.communicate(message.encode())

    print("\n=== SENDMAIL STDOUT ===")
    print(stdout.decode())

    print("\n=== SENDMAIL STDERR ===")
    print(stderr.decode())