from __future__ import annotations

from django.db import migrations, models


def copy_json_config_to_fields(apps, schema_editor) -> None:
    GlobalConfig = apps.get_model("pobsync_backend", "GlobalConfig")
    HostConfig = apps.get_model("pobsync_backend", "HostConfig")

    for global_config in GlobalConfig.objects.all():
        data = global_config.data or {}
        ssh = data.get("ssh") or {}
        rsync = data.get("rsync") or {}
        defaults = data.get("defaults") or {}
        retention = data.get("retention_defaults") or {}

        global_config.ssh_user = ssh.get("user") or global_config.ssh_user
        global_config.ssh_port = ssh.get("port") or global_config.ssh_port
        global_config.ssh_options = ssh.get("options") or []
        global_config.rsync_binary = rsync.get("binary") or global_config.rsync_binary
        global_config.rsync_args = rsync.get("args") or []
        global_config.rsync_extra_args = rsync.get("extra_args") or []
        global_config.rsync_timeout_seconds = rsync.get("timeout_seconds") or 0
        global_config.rsync_bwlimit_kbps = rsync.get("bwlimit_kbps") or 0
        global_config.default_source_root = defaults.get("source_root") or "/"
        global_config.default_destination_subdir = defaults.get("destination_subdir") or ""
        global_config.excludes_default = data.get("excludes_default") or []
        global_config.retention_daily = retention.get("daily", global_config.retention_daily)
        global_config.retention_weekly = retention.get("weekly", global_config.retention_weekly)
        global_config.retention_monthly = retention.get("monthly", global_config.retention_monthly)
        global_config.retention_yearly = retention.get("yearly", global_config.retention_yearly)
        global_config.save()

    for host_config in HostConfig.objects.all():
        config = host_config.config or {}
        ssh = config.get("ssh") or {}
        rsync = config.get("rsync") or {}
        retention = config.get("retention") or {}

        host_config.ssh_user = ssh.get("user") or ""
        host_config.ssh_port = ssh.get("port")
        host_config.source_root = config.get("source_root") or ""
        host_config.includes = config.get("includes") or []
        host_config.excludes_add = config.get("excludes_add") or []
        host_config.excludes_replace = config.get("excludes_replace")
        host_config.rsync_extra_args = rsync.get("extra_args") or []
        host_config.retention_daily = retention.get("daily", host_config.retention_daily)
        host_config.retention_weekly = retention.get("weekly", host_config.retention_weekly)
        host_config.retention_monthly = retention.get("monthly", host_config.retention_monthly)
        host_config.retention_yearly = retention.get("yearly", host_config.retention_yearly)
        host_config.save()


class Migration(migrations.Migration):
    dependencies = [
        ("pobsync_backend", "0002_schedule_run_state"),
    ]

    operations = [
        migrations.AddField(
            model_name="globalconfig",
            name="default_destination_subdir",
            field=models.CharField(blank=True, default="", max_length=512),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="default_source_root",
            field=models.CharField(default="/", max_length=512),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="excludes_default",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="retention_daily",
            field=models.PositiveIntegerField(default=14),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="retention_monthly",
            field=models.PositiveIntegerField(default=12),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="retention_weekly",
            field=models.PositiveIntegerField(default=8),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="retention_yearly",
            field=models.PositiveIntegerField(default=0),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="rsync_args",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="rsync_binary",
            field=models.CharField(default="rsync", max_length=128),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="rsync_bwlimit_kbps",
            field=models.PositiveIntegerField(default=0),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="rsync_extra_args",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="rsync_timeout_seconds",
            field=models.PositiveIntegerField(default=0),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="ssh_options",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="ssh_port",
            field=models.PositiveIntegerField(default=22),
        ),
        migrations.AddField(
            model_name="globalconfig",
            name="ssh_user",
            field=models.CharField(default="root", max_length=64),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="excludes_add",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="excludes_replace",
            field=models.JSONField(blank=True, null=True),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="includes",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="retention_daily",
            field=models.PositiveIntegerField(default=14),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="retention_monthly",
            field=models.PositiveIntegerField(default=12),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="retention_weekly",
            field=models.PositiveIntegerField(default=8),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="retention_yearly",
            field=models.PositiveIntegerField(default=0),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="rsync_extra_args",
            field=models.JSONField(blank=True, default=list),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="source_root",
            field=models.CharField(blank=True, max_length=512),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="ssh_port",
            field=models.PositiveIntegerField(blank=True, null=True),
        ),
        migrations.AddField(
            model_name="hostconfig",
            name="ssh_user",
            field=models.CharField(blank=True, max_length=64),
        ),
        migrations.RunPython(copy_json_config_to_fields, migrations.RunPython.noop),
    ]