from django.db import models
from datetime import date
from jumpers.models import Jumper

class LearnedSkill(models.Model):
    """
	Représente les skills qu'un gymnaste sait faire.
	"""

    class Meta:
        verbose_name = "Learned Skill"
        verbose_name_plural = "Learned Skills"
        ordering = ["date", "jumper"]
        unique_together = ("jumper", "skill")

    jumper = models.ForeignKey(
        Jumper,
        verbose_name="Jumper",
        related_name="learned_skill",
        on_delete=models.CASCADE,
    )
    skill = models.CharField(max_length=25, null=False, blank=False)
    date = models.DateField(default=date.today, verbose_name="Date")

    def __str__(self):
        return "%s - %s (%s)" % (
            self.jumper,
            self.skill,
            self.date,
        )

class Chrono(models.Model):
    """
    Représente les chronos (de chandelles ou de série) enregistrés pour un(e) gymnaste.
    """

    TYPE_CHOICES = ((0, "10 |"), (1, "Routine"))
    SCORE_TYPE_CHOICE = ((0, "Chrono"), (1, "ToF"))

    class Meta:
        verbose_name = "Chrono"
        verbose_name_plural = "Chronos"
        ordering = ["date", "jumper"]
        # unique_together = ("jumper", "skill")

    jumper = models.ForeignKey(
        Jumper,
        verbose_name="Jumper",
        related_name="chronos",
        on_delete=models.CASCADE,
    )
    type = models.PositiveSmallIntegerField(
        choices=TYPE_CHOICES, verbose_name="Chrono type"
    )
    score_type = models.PositiveSmallIntegerField(
        choices=SCORE_TYPE_CHOICE, verbose_name="Score type"
    )
    score = models.DecimalField(max_digits=5, decimal_places=3)
    date = models.DateField(default=date.today, verbose_name="Date")

    def __str__(self):
        return "%s - %s (%s - %s)" % (
            self.jumper,
            self.score,
            self.date,
            self.type,
        )
    
    @property
    def tof(self):
        """ Renvoie le time of flight d'un gymnaste. """
        if self.score_type == 1:
            return self.score
        else:
            tof = round(( self.score * 13 ) / 15, 3)
            tof = ( tof * 1000 ) - (( tof * 1000 ) % 5)
            return tof  / 1000