from __future__ import annotations

from django.test import TestCase

from pobsync_backend.config_source import DjangoConfigSource
from pobsync_backend.models import GlobalConfig, HostConfig


class DjangoConfigSourceTests(TestCase):
    def test_returns_effective_config_from_database(self) -> None:
        GlobalConfig.objects.create(
            name="default",
            backup_root="/backups",
            pobsync_home="/opt/pobsync",
            rsync_args=["--archive"],
            rsync_extra_args=["--numeric-ids"],
            excludes_default=["/proc/***"],
            retention_daily=7,
            retention_weekly=4,
            retention_monthly=3,
            retention_yearly=1,
            data={
                "backup_root": "/ignored",
                "pobsync_home": "/ignored",
                "ssh": {"user": "root", "port": 22, "options": []},
                "rsync": {
                    "binary": "rsync",
                    "args": ["--archive"],
                    "timeout_seconds": 0,
                    "bwlimit_kbps": 0,
                    "extra_args": ["--numeric-ids"],
                },
                "defaults": {"source_root": "/", "destination_subdir": ""},
                "excludes_default": ["/proc/***"],
                "retention_defaults": {"daily": 7, "weekly": 4, "monthly": 3, "yearly": 1},
            },
        )
        HostConfig.objects.create(
            host="web-01",
            address="web-01.example.test",
            excludes_add=["/tmp/***"],
            rsync_extra_args=["--delete"],
            retention_daily=7,
            retention_weekly=4,
            retention_monthly=3,
            retention_yearly=1,
            config={
                "retention": {"daily": 99, "weekly": 99, "monthly": 99, "yearly": 99},
                "excludes_add": ["/ignored/***"],
                "rsync": {"extra_args": ["--ignored"]},
            },
        )

        cfg = DjangoConfigSource().effective_config_for_host("web-01")

        self.assertEqual(cfg["backup_root"], "/backups")
        self.assertEqual(cfg["host"], "web-01")
        self.assertEqual(cfg["address"], "web-01.example.test")
        self.assertEqual(cfg["excludes_effective"], ["/proc/***", "/tmp/***"])
        self.assertEqual(cfg["rsync"]["args_effective"], ["--archive", "--numeric-ids", "--delete"])