from config.reuseable import fields, models, datetime


class User(models.Model):
    id = fields.IntField(pk=True)
    email = fields.CharField(max_length=255, unique=True)
    username = fields.CharField(max_length=255, unique=True)
    password = fields.CharField(max_length=255, unique=True)
    current_streak = fields.IntField(default=0)
    longest_streak = fields.IntField(default=0)
    created_at = fields.DatetimeField(auto_now_add=True)

    challenges: fields.ReverseRelation["Challenge"]
    progresses: fields.ReverseRelation["Progress"]
    coach_sessions: fields.ReverseRelation["CoachSession"]
    milestones: fields.ReverseRelation["Milestone"]


class Challenge(models.Model):
    id = fields.IntField(pk=True)
    user = fields.ForeignKeyField("models.User", related_name="challenges")
    title = fields.CharField(max_length=100)
    description = fields.TextField(null=True)
    start_date = fields.DateField()
    end_date = fields.DateField()
    is_active = fields.BooleanField(default=True)
    is_completed = fields.BooleanField(default=False)
    created_at = fields.DatetimeField(auto_now_add=True)

    progresses: fields.ReverseRelation["Progress"]


class Progress(models.Model):
    id = fields.IntField(pk=True)
    user = fields.ForeignKeyField("models.User", related_name="progresses")
    challenge = fields.ForeignKeyField("models.Challenge", related_name="progresses")
    day = fields.IntField()
    note = fields.TextField(null=True)
    completed = fields.BooleanField(default=False)
    date = fields.DateField(default=datetime.utcnow)

    class Meta:
        unique_together = ("user", "challenge", "day")


class Milestone(models.Model):
    id = fields.IntField(pk=True)
    user = fields.ForeignKeyField("models.User", related_name="milestones")
    challenge = fields.ForeignKeyField(
        "models.Challenge", related_name="milestones", null=True
    )
    title = fields.CharField(max_length=100)
    description = fields.TextField(null=True)
    achieved = fields.BooleanField(default=False)
    date_achieved = fields.DatetimeField(null=True)


class CoachSession(models.Model):
    id = fields.IntField(pk=True)
    user = fields.ForeignKeyField("models.User", related_name="coach_sessions")
    challenge = fields.ForeignKeyField(
        "models.Challenge", related_name="coach_sessions", null=True
    )
    message_from_user = fields.TextField()
    response_from_ai = fields.TextField()
    timestamp = fields.DatetimeField(auto_now_add=True)