from django.db import models

from membershipworks.models import Member


class CmsRedRiverVeteransScholarship(models.Model):
    serial = models.AutoField(primary_key=True)
    program_name = models.CharField(db_column="Program Name", max_length=255)
    member_name = models.CharField(
        db_column="Member Name", max_length=255, blank=True, null=True
    )
    discount_percent = models.DecimalField(
        db_column="Discount Percent",
        max_digits=16,
        decimal_places=0,
        blank=True,
        null=True,
    )
    discount_code = models.CharField(
        db_column="Discount Code", max_length=255, blank=True, null=True
    )
    membership_code = models.CharField(
        db_column="Membership Code", max_length=255, blank=True, null=True
    )
    start_date = models.DateField(db_column="Start Date", blank=True, null=True)
    end_date = models.DateField(db_column="End Date", blank=True, null=True)
    program_amount = models.DecimalField(
        db_column="Program Amount",
        max_digits=16,
        decimal_places=0,
        blank=True,
        null=True,
    )
    program_status = models.CharField(
        db_column="Program Status", max_length=16, blank=True, null=True
    )

    def __str__(self):
        return f"{self.program_name} {self.member_name}"

    class Meta:
        db_table = "CMS Red River Veterans Scholarship"


class CertificationDefinition(models.Model):
    certification_identifier = models.AutoField(
        db_column="Certification Identifier", primary_key=True
    )
    certification_name = models.CharField(
        db_column="Certification Name", max_length=255, blank=True, null=True
    )
    department = models.CharField(
        db_column="Department", max_length=255, blank=True, null=True
    )

    def __str__(self):
        return f"{self.certification_name} <{self.department}>"

    class Meta:
        db_table = "Certification Definitions"
        ordering = ("certification_name", "department")


class CertificationVersion(models.Model):
    definition = models.ForeignKey(
        CertificationDefinition, on_delete=models.PROTECT, db_column="Certification"
    )
    version = models.CharField(
        db_column="Version", max_length=255, blank=True, null=True
    )

    def __str__(self):
        return f"{self.definition} [{self.version}]"

    class Meta:
        constraints = [
            models.UniqueConstraint(
                fields=["definition", "version"], name="unique_certification_version"
            )
        ]


class Certification(models.Model):
    number = models.AutoField(db_column="Number", primary_key=True)
    certification_version = models.ForeignKey(
        CertificationVersion, on_delete=models.PROTECT
    )
    name = models.CharField(db_column="Name", max_length=255)
    member = models.ForeignKey(
        Member,
        on_delete=models.PROTECT,
        to_field="uid",
        db_column="uid",
        blank=True,
        null=True,
        db_constraint=False,
    )
    certified_by = models.CharField(
        db_column="Certified_By", max_length=255, blank=True, null=True
    )
    date = models.DateField(db_column="Date", blank=True, null=True)
    shop_lead_notified = models.DateTimeField(
        db_column="Shop Lead Notified", blank=True, null=True
    )
    notes = models.CharField(db_column="Notes", max_length=255, blank=True, null=True)

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

    class Meta:
        db_table = "Certifications"


class InstructorOrVendor(models.Model):
    serial = models.AutoField(primary_key=True)
    name = models.CharField(db_column="Name", max_length=255)
    instructor_agreement_date = models.DateField(
        db_column="Instructor Agreement Date", blank=True, null=True
    )
    w9_date = models.DateField(db_column="W9 date", blank=True, null=True)
    phone = models.CharField(max_length=255, blank=True, null=True)
    email_address = models.CharField(
        db_column="email address", max_length=255, blank=True, null=True
    )

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

    class Meta:
        db_table = "Instructors and Vendors"


class SpecialProgram(models.Model):
    program_name = models.CharField(
        db_column="Program Name", primary_key=True, max_length=255
    )
    discount_percent = models.DecimalField(
        db_column="Discount Percent",
        max_digits=16,
        decimal_places=0,
        blank=True,
        null=True,
    )
    discount_code = models.CharField(
        db_column="Discount Code", max_length=255, blank=True, null=True
    )
    membership_code = models.CharField(
        db_column="Membership Code", max_length=255, blank=True, null=True
    )
    start_date = models.DateField(db_column="Start Date", blank=True, null=True)
    end_date = models.DateField(db_column="End Date", blank=True, null=True)
    program_amount = models.DecimalField(
        db_column="Program Amount",
        max_digits=16,
        decimal_places=0,
        blank=True,
        null=True,
    )
    program_status = models.CharField(
        db_column="Program Status", max_length=16, blank=True, null=True
    )

    def __str__(self):
        return self.program_name

    class Meta:
        db_table = "Special_Programs"


class Waiver(models.Model):
    number = models.AutoField(db_column="Number", primary_key=True)
    name = models.CharField(db_column="Name", max_length=255)
    date = models.DateField(db_column="Date")
    emergency_contact_name = models.CharField(
        db_column="Emergency Contact Name", max_length=255, blank=True, null=True
    )
    emergency_contact_number = models.CharField(
        db_column="Emergency Contact Number", max_length=25, blank=True, null=True
    )
    waiver_version = models.CharField(db_column="Waiver version", max_length=64)
    guardian_name = models.CharField(
        db_column="Guardian Name", max_length=255, blank=True, null=True
    )
    guardian_relation = models.CharField(
        db_column="Guardian Relation", max_length=255, blank=True, null=True
    )
    guardian_date = models.DateField(db_column="Guardian Date", blank=True, null=True)

    def __str__(self):
        return f"{self.name} {self.date}"

    class Meta:
        db_table = "Waivers"