"""Tests for SusiDNS — TDD: tests before implementation."""

import pytest
from pathlib import Path
from i2p_apps.susidns.manager import AddressbookManager, AddressbookEntry


class TestAddressbookEntry:
    def test_creation(self):
        entry = AddressbookEntry(hostname="test.i2p", destination="AAAA" * 86)
        assert entry.hostname == "test.i2p"

    def test_str(self):
        entry = AddressbookEntry(hostname="test.i2p", destination="DEST")
        assert str(entry) == "test.i2p=DEST"


class TestAddressbookManager:
    def test_creation(self):
        mgr = AddressbookManager()
        assert mgr is not None

    def test_add_entry(self):
        mgr = AddressbookManager()
        mgr.add("example.i2p", "DESTDATA")
        assert mgr.lookup("example.i2p") == "DESTDATA"

    def test_remove_entry(self):
        mgr = AddressbookManager()
        mgr.add("example.i2p", "DESTDATA")
        mgr.remove("example.i2p")
        assert mgr.lookup("example.i2p") is None

    def test_list_entries(self):
        mgr = AddressbookManager()
        mgr.add("a.i2p", "DEST_A")
        mgr.add("b.i2p", "DEST_B")
        entries = mgr.list_entries()
        assert len(entries) == 2

    def test_search(self):
        mgr = AddressbookManager()
        mgr.add("alice.i2p", "DEST_A")
        mgr.add("bob.i2p", "DEST_B")
        mgr.add("alicia.i2p", "DEST_C")
        results = mgr.search("ali")
        assert len(results) == 2

    def test_load_from_file(self, tmp_path: Path):
        hosts = tmp_path / "hosts.txt"
        hosts.write_text("test.i2p=DESTDATA\nother.i2p=DESTOTHER\n")
        mgr = AddressbookManager.from_file(hosts)
        assert mgr.lookup("test.i2p") == "DESTDATA"
        assert mgr.lookup("other.i2p") == "DESTOTHER"

    def test_save_to_file(self, tmp_path: Path):
        hosts = tmp_path / "hosts.txt"
        mgr = AddressbookManager()
        mgr.add("test.i2p", "DEST")
        mgr.save(hosts)
        content = hosts.read_text()
        assert "test.i2p=DEST" in content