# Generated by Django 5.2.7 on 2025-10-27 13:14

import datetime
import django.utils.timezone
from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ("appointments", "0002_initial"),
        ("core", "0001_initial"),
        ("finance", "0001_initial"),
    ]

    operations = [
        migrations.AlterModelOptions(
            name="invoice",
            options={
                "ordering": ["-issue_date", "-invoice_counter"],
                "verbose_name": "Invoice",
                "verbose_name_plural": "Invoices",
            },
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="billing_reference_id",
            field=models.CharField(
                blank=True,
                help_text="Reference to original invoice for credit/debit notes",
                max_length=50,
                verbose_name="Billing Reference ID",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="billing_reference_issue_date",
            field=models.DateField(
                blank=True, null=True, verbose_name="Billing Reference Issue Date"
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="cryptographic_stamp",
            field=models.TextField(
                blank=True,
                help_text="ECDSA signature for simplified invoices",
                verbose_name="Cryptographic Stamp",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="invoice_counter",
            field=models.PositiveIntegerField(
                db_index=True,
                default=1,
                editable=False,
                help_text="Sequential counter per EGS unit, cannot be reset",
                verbose_name="Invoice Counter",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="invoice_hash",
            field=models.CharField(
                blank=True,
                editable=False,
                help_text="SHA-256 hash of this invoice",
                max_length=64,
                verbose_name="Invoice Hash",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="invoice_type",
            field=models.CharField(
                choices=[
                    ("STANDARD", "Standard Tax Invoice (B2B)"),
                    ("SIMPLIFIED", "Simplified Tax Invoice (B2C)"),
                    ("STANDARD_DEBIT", "Standard Debit Note"),
                    ("STANDARD_CREDIT", "Standard Credit Note"),
                    ("SIMPLIFIED_DEBIT", "Simplified Debit Note"),
                    ("SIMPLIFIED_CREDIT", "Simplified Credit Note"),
                ],
                default="SIMPLIFIED",
                help_text="Standard (B2B) requires clearance, Simplified (B2C) requires reporting",
                max_length=20,
                verbose_name="Invoice Type",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="issue_time",
            field=models.TimeField(
                blank=True,
                default=datetime.datetime(
                    2025, 10, 27, 13, 14, 1, 482781, tzinfo=datetime.timezone.utc
                ),
                editable=False,
                help_text="Time when invoice was generated",
                verbose_name="Issue Time",
            ),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="previous_invoice_hash",
            field=models.CharField(
                blank=True,
                help_text="SHA-256 hash of previous invoice (PIH)",
                max_length=64,
                verbose_name="Previous Invoice Hash",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="qr_code",
            field=models.TextField(
                blank=True, help_text="Base64 encoded TLV QR code", verbose_name="QR Code"
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="xml_content",
            field=models.TextField(
                blank=True, help_text="UBL 2.1 XML invoice content", verbose_name="XML Content"
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="zatca_response",
            field=models.JSONField(
                blank=True,
                help_text="Response from ZATCA clearance/reporting API",
                null=True,
                verbose_name="ZATCA Response",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="zatca_status",
            field=models.CharField(
                blank=True,
                help_text="Clearance/Reporting status from ZATCA",
                max_length=20,
                verbose_name="ZATCA Status",
            ),
        ),
        migrations.AddField(
            model_name="historicalinvoice",
            name="zatca_submission_date",
            field=models.DateTimeField(blank=True, null=True, verbose_name="ZATCA Submission Date"),
        ),
        migrations.AddField(
            model_name="invoice",
            name="billing_reference_id",
            field=models.CharField(
                blank=True,
                help_text="Reference to original invoice for credit/debit notes",
                max_length=50,
                verbose_name="Billing Reference ID",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="billing_reference_issue_date",
            field=models.DateField(
                blank=True, null=True, verbose_name="Billing Reference Issue Date"
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="cryptographic_stamp",
            field=models.TextField(
                blank=True,
                help_text="ECDSA signature for simplified invoices",
                verbose_name="Cryptographic Stamp",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="invoice_counter",
            field=models.PositiveIntegerField(
                db_index=True,
                default=1,
                editable=False,
                help_text="Sequential counter per EGS unit, cannot be reset",
                verbose_name="Invoice Counter",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="invoice_hash",
            field=models.CharField(
                blank=True,
                editable=False,
                help_text="SHA-256 hash of this invoice",
                max_length=64,
                verbose_name="Invoice Hash",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="invoice_type",
            field=models.CharField(
                choices=[
                    ("STANDARD", "Standard Tax Invoice (B2B)"),
                    ("SIMPLIFIED", "Simplified Tax Invoice (B2C)"),
                    ("STANDARD_DEBIT", "Standard Debit Note"),
                    ("STANDARD_CREDIT", "Standard Credit Note"),
                    ("SIMPLIFIED_DEBIT", "Simplified Debit Note"),
                    ("SIMPLIFIED_CREDIT", "Simplified Credit Note"),
                ],
                default="SIMPLIFIED",
                help_text="Standard (B2B) requires clearance, Simplified (B2C) requires reporting",
                max_length=20,
                verbose_name="Invoice Type",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="issue_time",
            field=models.TimeField(
                auto_now_add=True,
                default=django.utils.timezone.now,
                help_text="Time when invoice was generated",
                verbose_name="Issue Time",
            ),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name="invoice",
            name="previous_invoice_hash",
            field=models.CharField(
                blank=True,
                help_text="SHA-256 hash of previous invoice (PIH)",
                max_length=64,
                verbose_name="Previous Invoice Hash",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="qr_code",
            field=models.TextField(
                blank=True, help_text="Base64 encoded TLV QR code", verbose_name="QR Code"
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="xml_content",
            field=models.TextField(
                blank=True, help_text="UBL 2.1 XML invoice content", verbose_name="XML Content"
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="zatca_response",
            field=models.JSONField(
                blank=True,
                help_text="Response from ZATCA clearance/reporting API",
                null=True,
                verbose_name="ZATCA Response",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="zatca_status",
            field=models.CharField(
                blank=True,
                help_text="Clearance/Reporting status from ZATCA",
                max_length=20,
                verbose_name="ZATCA Status",
            ),
        ),
        migrations.AddField(
            model_name="invoice",
            name="zatca_submission_date",
            field=models.DateTimeField(blank=True, null=True, verbose_name="ZATCA Submission Date"),
        ),
        migrations.AlterField(
            model_name="historicalinvoice",
            name="invoice_number",
            field=models.CharField(
                db_index=True,
                editable=False,
                help_text="Unique invoice reference number (IRN)",
                max_length=20,
                verbose_name="Invoice Number",
            ),
        ),
        migrations.AlterField(
            model_name="invoice",
            name="invoice_number",
            field=models.CharField(
                editable=False,
                help_text="Unique invoice reference number (IRN)",
                max_length=20,
                unique=True,
                verbose_name="Invoice Number",
            ),
        ),
        migrations.AddIndex(
            model_name="invoice",
            index=models.Index(fields=["invoice_counter"], name="finance_inv_invoice_18bebe_idx"),
        ),
        migrations.AddIndex(
            model_name="invoice",
            index=models.Index(
                fields=["invoice_type", "status"], name="finance_inv_invoice_1f4dd3_idx"
            ),
        ),
    ]