from django.db import models
import uuid
import datetime
from django.contrib.auth.models import User
from django.db import models

from dashboard.models import Group

VERIFY_CODE_TYPE_CHOICES = (
    (0, 'register'),
    (1, 'password_recover'),
)


class VerifyCode(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    code = models.CharField('code', max_length=8, null=False)
    phone = models.CharField('phone', max_length=11, null=False)
    timeouted = models.DateTimeField('timeouted', null=False)
    category = models.IntegerField(
        'category', choices=VERIFY_CODE_TYPE_CHOICES, default=0)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["-added"]

    def is_in_progress(self):
        now = datetime.datetime.now()
        return now <= self.timeouted

    def __str__(self):
        return self.phone + ':' + self.code


class Notice(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    content = models.CharField('内容', max_length=256, null=False)
    is_read = models.BooleanField('是否阅读', default=False)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["-added"]

    def is_in_progress(self):
        now = datetime.datetime.now()
        return now <= self.timeouted

    def __str__(self):
        return self.content + ':' + self.user.username


class Task(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    created_by = models.ForeignKey(User, on_delete=models.CASCADE)
    groups = models.ManyToManyField(Group)
    content = models.TextField('内容', null=True, blank=True)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)

    def add_groups(self, groups):
        if not len(groups):
            groups = Group.objects.filter(status='开启')
        for g in groups:
            self.groups.add(g)

    class Meta:
        ordering = ["-added"]


TASK_ADDITION_TYPE_CHOICES = (
    (0, 'url'),
    (1, 'file'),
    (2, 'picture')
)


class TaskAddition(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    task = models.ForeignKey(Task, on_delete=models.CASCADE)
    category = models.IntegerField(
        'category', choices=TASK_ADDITION_TYPE_CHOICES, default=1)
    url = models.CharField('url', max_length=256, null=True, blank=True)
    file = models.FileField(
        upload_to='task/file/%Y/%m/%d/', null=True, blank=True)
    picture = models.ImageField(
        upload_to='task/image/%Y/%m/%d/', null=True, blank=True)


TASK_RECORD_STATUS_CHOICES = (
    (0, '未完成'),
    (1, '完成'),
)


class TaskRecord(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    status = models.IntegerField(
        '状态', choices=TASK_RECORD_STATUS_CHOICES, default=0)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)


class Message(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    send_from = models.ForeignKey(User, on_delete=models.CASCADE)
    send_to = models.ForeignKey(Group, on_delete=models.CASCADE)
    task = models.ForeignKey(Task, on_delete=models.CASCADE)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)

    class Meta:
        abstract = True
        ordering = ["-added"]

    def __str__(self):
        return self.send_from + ':' + self.send_to


class NormalMessage(Message):
    content = models.TextField('内容', null=True, blank=True)


class URLMessage(Message):
    title = models.CharField('title', max_length=256, null=False)
    description = models.CharField('description', max_length=512, null=False)
    image = models.CharField('image', max_length=256, null=True, blank=True)
    url = models.CharField('url', max_length=256, null=True, blank=True)


class FileMessage(Message):
    title = models.CharField('title', max_length=256, null=False)
    file = models.CharField('file', max_length=256, null=False)


class ImageMessage(Message):
    title = models.CharField('title', max_length=256, null=False)
    picture = models.CharField('picture', max_length=256, null=False)


class GroupRecord(models.Model):
    id = models.UUIDField('id', primary_key=True, default=uuid.uuid4)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    group = models.ForeignKey(Group, on_delete=models.CASCADE)
    enter_at = models.DateTimeField(auto_now=True)
    leave_at = models.DateTimeField(auto_now=True)
    added = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)