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)

    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'