# apps/achivements/models.py

import uuid

from django.conf import settings
from django.db import models

# Create your models here.
class Achievement(models.Model):
    class RuleType(models.TextChoices):
        TASK_COUNT = "task_count", "Nombre de réalisations"
        SKILL_XP = "skill_xp", "XP dans une compétence"
        TREE_XP = "tree_xp", "XP dans un arbre"
        TOTAL_XP = "total_xp", "XP total"
        DISTINCT_TASKS = "distinct_tasks", "Tâches différentes"

    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    slug = models.SlugField(max_length=100, unique=True)
    name = models.CharField(max_length=160)
    description = models.TextField(blank=True)
    icon = models.CharField(max_length=80, blank=True)

    rule_type = models.CharField(max_length=32, choices=RuleType.choices)
    rule_config = models.JSONField(default=dict)

    xp_reward = models.PositiveIntegerField(default=0)
    is_secret = models.BooleanField(default=False)
    is_active = models.BooleanField(default=True)


class PlayerAchievement(models.Model):
    player = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name="achievements",
    )
    achievement = models.ForeignKey(
        Achievement,
        on_delete=models.CASCADE,
        related_name="players",
    )
    unlocked_at = models.DateTimeField(auto_now_add=True)
    progress_snapshot = models.JSONField(default=dict)

    class Meta:
        constraints = [
            models.UniqueConstraint(
                fields=("player", "achievement"),
                name="unique_player_achievement",
            )
        ]


class Title(models.Model):
    slug = models.SlugField(max_length=100, unique=True)
    name = models.CharField(max_length=120)
    description = models.TextField(blank=True)
    achievement = models.OneToOneField(
        Achievement,
        on_delete=models.CASCADE,
        related_name="title",
    )


class PlayerTitle(models.Model):
    player = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name="titles",
    )
    title = models.ForeignKey(Title, on_delete=models.CASCADE)
    unlocked_at = models.DateTimeField(auto_now_add=True)
    is_equipped = models.BooleanField(default=False)