# Generated by Django 5.2.15 on 2026-06-30 10:43

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):
    initial = True

    dependencies = [
        ("tickets", "0001_initial"),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="Solution",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
                    ),
                ),
                ("title", models.CharField(max_length=200)),
                ("problem_signature", models.TextField()),
                ("related_system", models.CharField(blank=True, max_length=120)),
                ("environment_scope", models.CharField(blank=True, max_length=120)),
                ("root_cause", models.TextField()),
                ("solution", models.TextField()),
                ("risk_note", models.TextField(blank=True)),
                ("status", models.CharField(default="draft", max_length=40)),
                ("usage_count", models.PositiveIntegerField(default=0)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                (
                    "category",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to="tickets.ticketcategory",
                    ),
                ),
                (
                    "created_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "ordering": ["-updated_at"],
            },
        ),
        migrations.CreateModel(
            name="TicketResolution",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
                    ),
                ),
                ("resolution_type", models.CharField(default="resolved", max_length=80)),
                ("root_cause", models.TextField(blank=True)),
                ("solution_text", models.TextField()),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("updated_at", models.DateTimeField(auto_now=True)),
                (
                    "confirmed_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "linked_solution",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to="solutions.solution",
                    ),
                ),
                (
                    "ticket",
                    models.OneToOneField(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="resolution",
                        to="tickets.ticket",
                    ),
                ),
            ],
        ),
        migrations.CreateModel(
            name="TicketSolutionLink",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
                    ),
                ),
                ("link_type", models.CharField(default="referenced", max_length=40)),
                ("agent_run_id", models.BigIntegerField(blank=True, null=True)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                (
                    "created_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "solution",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="ticket_links",
                        to="solutions.solution",
                    ),
                ),
                (
                    "ticket",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="solution_links",
                        to="tickets.ticket",
                    ),
                ),
            ],
            options={
                "unique_together": {("ticket", "solution", "link_type")},
            },
        ),
    ]