import uuid

from django.db import models

from wireguard.models import Peer

DEFAULT_INVITE_MESSAGE = '''
Hello,

You're invited to join our secure WireGuard VPN network. Please click the link below to access your personalized VPN configuration:

{invite_url}

Note: This invitation link will expire in {expire_minutes} minutes. If you need a new link after expiration, please request another invite.
'''

DEFAULT_HTML_MESSAGE = '''
<h2>Welcome to Your VPN Setup</h2>
<p>Begin by downloading the WireGuard app for your device using one of the links below.</p>
<p>Once installed, you can either <strong>scan the QR code</strong> or <strong>download the configuration file</strong> to quickly import your settings and start using your secure VPN connection.</p>
'''

class InviteSettings(models.Model):
    name = models.CharField(max_length=16, default='default_settings', unique=True)
    default_password = models.CharField(max_length=32, default='', blank=True, null=True)
    enforce_random_password = models.BooleanField(default=True)
    required_user_level = models.PositiveIntegerField(default=50, choices=(
        (20, 'View Only User'), (30, 'Peer Manager'), (40, 'Wireguard Manager'), (50, 'Administrator'),
    ))
    random_password_length = models.IntegerField(default=6)
    random_password_complexity = models.CharField(
        max_length=22, default='letters_digits', choices=(
            ('letters_digits_special', 'Letters, Digits, Special Characters'),
            ('letters_digits', 'Letters, Digits'), ('letters', 'Letters'), ('digits', 'Digits')
        )
    )
    invite_expiration = models.IntegerField(default=30) # minutes
    download_1_label = models.CharField(max_length=32, default='iOS', blank=True, null=True)
    download_2_label = models.CharField(max_length=32, default='Android', blank=True, null=True)
    download_3_label = models.CharField(max_length=32, default='Windows', blank=True, null=True)
    download_4_label = models.CharField(max_length=32, default='macOS', blank=True, null=True)
    download_5_label = models.CharField(max_length=32, default='Linux', blank=True, null=True)
    download_1_icon = models.CharField(max_length=32, default='fab fa-app-store-ios', blank=True, null=True)
    download_2_icon = models.CharField(max_length=32, default='fab fa-google-play', blank=True, null=True)
    download_3_icon = models.CharField(max_length=32, default='fab fa-windows', blank=True, null=True)
    download_4_icon = models.CharField(max_length=32, default='fab fa-apple', blank=True, null=True)
    download_5_icon = models.CharField(max_length=32, default='fas fa-desktop', blank=True, null=True)
    download_1_url = models.URLField(default='https://apps.apple.com/us/app/wireguard/id1441195209', blank=True, null=True)
    download_2_url = models.URLField(default='https://play.google.com/store/apps/details?id=com.wireguard.android', blank=True, null=True)
    download_3_url = models.URLField(default='https://download.wireguard.com/windows-client/wireguard-installer.exe', blank=True, null=True)
    download_4_url = models.URLField(default='https://apps.apple.com/us/app/wireguard/id1451685025', blank=True, null=True)
    download_5_url = models.URLField(default='https://www.wireguard.com/install/', blank=True, null=True)
    download_1_enabled = models.BooleanField(default=True)
    download_2_enabled = models.BooleanField(default=True)
    download_3_enabled = models.BooleanField(default=True)
    download_4_enabled = models.BooleanField(default=True)
    download_5_enabled = models.BooleanField(default=True)
    download_instructions = models.TextField(default='Download the WireGuard app for your device using one of the links below. After installation, you can scan the QR code or download the configuration file to import on your device.')

    invite_url = models.URLField(default='')

    invite_text_body = models.TextField(default=DEFAULT_INVITE_MESSAGE)

    invite_email_subject = models.CharField(max_length=64, default='WireGuard VPN Invite', blank=True, null=True)
    invite_email_body = models.TextField(default=DEFAULT_INVITE_MESSAGE)
    invite_email_enabled = models.BooleanField(default=True)

    invite_whatsapp_body = models.TextField(default=DEFAULT_INVITE_MESSAGE)
    invite_whatsapp_enabled = models.BooleanField(default=True)

    uuid = models.UUIDField(default=uuid.uuid4, editable=False)
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)


class PeerInvite(models.Model):
    peer = models.ForeignKey(Peer, on_delete=models.CASCADE)
    invite_password = models.CharField(max_length=32, default='')
    invite_expiration = models.DateTimeField()

    uuid = models.UUIDField(default=uuid.uuid4, editable=False)
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)