from datetime import datetime
from django.db import models
from django.utils import timezone

from users.models import User
from specializations.models import Specialization

CURRENCIES = (
    ('rur', 'RUR'),
    ('usd', 'USD'),
    ('eur', 'EUR'),
)

TERMS = (
    ('hour', 'Hour'),
    ('day', 'day'),
    ('month', 'month'),
)

class BuildingClassfication(models.Model):
    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Тип здания'
        verbose_name_plural = 'Типы здания'


class ConstructionType(models.Model):
    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Вид строительства'
        verbose_name_plural = 'Виды строительства'


class Country(models.Model):
    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Страна'
        verbose_name_plural = 'Страны'


class City(models.Model):
    name = models.CharField(max_length=255)
    country = models.ForeignKey(Country, related_name='cities')

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Город'
        verbose_name_plural = 'Города'


class Realty(models.Model):
    building_classification = models.ForeignKey(BuildingClassfication, related_name='realties')
    city = models.CharField(max_length=50)
    construction_type = models.ForeignKey(ConstructionType, related_name='realties')
    country = models.CharField(max_length=50)
    name = models.CharField(max_length=255)
    user = models.ForeignKey(User, related_name='realties')

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Объект'
        verbose_name_plural = 'Объекты'


class Project(models.Model):
    WORK_TYPES = (
        ('1', 'Проектирование'),
        ('2', 'Техническое сопровождение')
    )
    
    name = models.CharField(max_length=255)
    text = models.TextField(blank=True)
    work_type = models.IntegerField(default=1, choices=WORK_TYPES)
    specialization = models.ForeignKey(Specialization, related_name='projects')
    budget = models.DecimalField(max_digits=10, decimal_places=0)
    currency = models.CharField(default='rur', choices=CURRENCIES)
    term = models.IntegerField(default=0)
    term_type = models.CharField(max_length=10, choices=TERMS, default='hour')
    budget_by_agreement = models.BooleanField(default=False)
    price_and_term_required = models.BooleanField(default=False, blank=True)
    #----------------------
    created = models.DateTimeField(default=timezone.now)
    cro = models.BooleanField(default=False)
    realty = models.ForeignKey(Realty, null=True, related_name='projects')
    secure_deal = models.BooleanField(default=False)
    user = models.ForeignKey(User, related_name='projects')
    
    def __str__(self):
        return self.name
    
    class Meta:
        verbose_name = 'Проект'
        verbose_name_plural = 'Проекты'


class ProjectFile(models.Model):
    file = models.FileField(upload_to='projects/project_files')
    project = models.ForeignKey(Project)


class Answer(models.Model):
    cost = models.DecimalField(max_digits=10, decimal_places=0)
    cost_type = models.CharField(max_length=5, choices=CURRENCIES, default='rur')
    created = models.DateTimeField(default=timezone.now)
    project = models.ForeignKey(Project, related_name='answers')
    term = models.IntegerField(default=0)
    term_type = models.CharField(max_length=10, choices=TERMS, default='hour')
    text = models.TextField()
    user = models.ForeignKey(User, related_name='answers')

    def __str__(self):
        return self.text

    class Meta:
        verbose_name = 'Ответ к проекту'
        verbose_name_plural = 'Ответы к проектам'
        ordering = ('-created',)


class Order(models.Model):
    contractor = models.ForeignKey(User, null=True, blank=True)
    created = models.DateTimeField(default=timezone.now, editable=False)
    project = models.OneToOneField(Project, related_name='order')
    secure = models.BooleanField(default=False)
    status = models.BooleanField(default=False)

    def __str__(self):
        return self.project.name

    class Meta:
        verbose_name = 'Заказ'
        verbose_name_plural = 'Заказы'


class Stage(models.Model):
    cost = models.DecimalField(max_digits=10, decimal_places=0)
    cost_type = models.CharField(max_length=5, choices=CURRENCIES, default='rur')
    name = models.CharField(max_length=255)
    order = models.ForeignKey(Order, related_name='stages')
    result = models.CharField(max_length=255)
    term = models.IntegerField(default=0)
    term_type = models.CharField(max_length=10, choices=TERMS, default='hour')

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Этап'
        verbose_name_plural = 'Этапы'



class Candidate(models.Model):
    answer = models.ForeignKey(Answer, related_name='candidates')
    project = models.ForeignKey(Project, related_name='candidates')
    status = models.BooleanField(default=False)

    def __str__(self):
        return self.answer.user.get_full_name()

    class Meta:
        verbose_name = 'Кандидат'
        verbose_name_plural = 'Кандидаты'


class Portfolio(models.Model):
    description = models.TextField()
    name = models.CharField(max_length=255)
    user = models.ForeignKey(User, related_name='portfolio')
    
    def __str__(self):
        return self.name

    class Meta:
        verbose_name = 'Портфолио'
        verbose_name_plural = 'Портфолио'


class PortfolioPhoto(models.Model):
    img = models.ImageField(upload_to='projects/portfolio')
    portfolio = models.ForeignKey(Portfolio)

    class Meta:
        verbose_name = 'Фото портфолио'
        verbose_name_plural = 'Фото портфолио'

        # def __str__(self):
        #     return self.img