# Generated by Django 5.2.13 on 2026-05-18 05:00

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


class Migration(migrations.Migration):

    dependencies = [
        ("rims_grants", "0042_awardcancellationrequest_cascade_summary_and_more"),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name="AwardCohort",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
                    ),
                ),
                ("cohort_number", models.PositiveSmallIntegerField()),
                ("label", models.CharField(max_length=128)),
                ("start_date", models.DateField(blank=True, null=True)),
                ("end_date", models.DateField(blank=True, null=True)),
                ("target_participants", models.PositiveIntegerField(default=0)),
                (
                    "budget_allocation",
                    models.DecimalField(decimal_places=2, default=Decimal("0"), max_digits=14),
                ),
                (
                    "status",
                    models.CharField(
                        choices=[
                            ("planned", "Planned"),
                            ("active", "Active"),
                            ("completed", "Completed"),
                        ],
                        default="planned",
                        max_length=16,
                    ),
                ),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                (
                    "award",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="cohorts",
                        to="rims_grants.award",
                    ),
                ),
                (
                    "created_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="award_cohorts_created",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "ordering": ["award_id", "cohort_number"],
            },
        ),
        migrations.CreateModel(
            name="CohortAddendum",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
                    ),
                ),
                (
                    "status",
                    models.CharField(
                        choices=[
                            ("requested", "Requested"),
                            ("director_review", "Awaiting director review"),
                            ("approved", "Approved"),
                            ("rejected", "Rejected"),
                            ("withdrawn", "Withdrawn"),
                        ],
                        db_index=True,
                        default="requested",
                        max_length=24,
                    ),
                ),
                ("reason", models.TextField()),
                ("previous_terms", models.JSONField(blank=True, default=dict)),
                ("new_terms", models.JSONField(blank=True, default=dict)),
                ("decision_notes", models.TextField(blank=True)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                ("decided_at", models.DateTimeField(blank=True, null=True)),
                (
                    "award",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="cohort_addenda",
                        to="rims_grants.award",
                    ),
                ),
                (
                    "cohort",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="addenda",
                        to="rims_grants.awardcohort",
                    ),
                ),
                (
                    "created_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="cohort_addenda_requested",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
                (
                    "decided_by",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.SET_NULL,
                        related_name="cohort_addenda_decided",
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={
                "ordering": ["-created_at"],
            },
        ),
        migrations.AddConstraint(
            model_name="awardcohort",
            constraint=models.UniqueConstraint(
                fields=("award", "cohort_number"), name="uniq_award_cohort_number"
            ),
        ),
    ]