from django.db import models


class Income(models.Model):
	date = models.DateField()
	concept = models.CharField(max_length=255)
	amount = models.DecimalField(max_digits=10, decimal_places=2)

	class Meta:
		ordering = ["date"]

	def __str__(self):
		return f"{self.concept} - {self.amount}"


class MonthlyFixedExpense(models.Model):
	year = models.PositiveIntegerField()
	month = models.PositiveSmallIntegerField()
	concept = models.ForeignKey(
		"expenses.FixedExpenseConcept",
		on_delete=models.CASCADE,
		related_name="monthly_entries",
	)
	amount = models.DecimalField(max_digits=10, decimal_places=2, default=0)

	class Meta:
		unique_together = ["year", "month", "concept"]
		ordering = ["concept__order"]

	def __str__(self):
		return f"{self.concept.name} - {self.amount}"


class MonthlyGoal(models.Model):
	GOAL = "goal"
	PROMISE = "promise"
	TYPE_CHOICES = [
		(GOAL, "Goal"),
		(PROMISE, "Promise"),
	]

	year = models.PositiveIntegerField()
	month = models.PositiveSmallIntegerField()
	text = models.CharField(max_length=500)
	kind = models.CharField(max_length=10, choices=TYPE_CHOICES)
	done = models.BooleanField(default=False)
	created_at = models.DateTimeField(auto_now_add=True)

	class Meta:
		ordering = ["created_at"]

	def __str__(self):
		return f"{self.text} ({'done' if self.done else 'pending'})"


class MonthlyNote(models.Model):
	ASSESSMENT_CHOICES = [
		("", "---"),
		("yes", "Yes"),
		("no", "No"),
		("almost", "Almost"),
	]

	year = models.PositiveIntegerField()
	month = models.PositiveSmallIntegerField()
	text = models.TextField(blank=True, default="")
	savings_target = models.DecimalField(max_digits=10, decimal_places=2, default=0)
	goals_achieved = models.CharField(
		max_length=10, blank=True, default="", choices=ASSESSMENT_CHOICES
	)
	promises_kept = models.CharField(
		max_length=10, blank=True, default="", choices=ASSESSMENT_CHOICES
	)
	savings_kept = models.CharField(
		max_length=10, blank=True, default="", choices=ASSESSMENT_CHOICES
	)
	reflection = models.TextField(blank=True, default="")

	class Meta:
		unique_together = ["year", "month"]

	def __str__(self):
		return f"{self.year}/{self.month:02d}"