from __future__ import annotations

from pathlib import Path

from sshctl.config.parser import parse_config, parse_file
from sshctl.core.exceptions import ParseError


def test_parse_empty_config() -> None:
    config = parse_config("")
    assert config.blocks == []
    assert config.raw_includes == []


def test_parse_single_host() -> None:
    text = """Host myserver
  HostName 10.0.0.1
  User admin
  Port 2222
"""
    config = parse_config(text)
    assert len(config.blocks) == 1
    block = config.blocks[0]
    assert block.alias == "myserver"
    assert block.hostname == "10.0.0.1"
    assert block.user == "admin"
    assert block.port == 2222


def test_parse_host_star() -> None:
    text = """Host *
  User root
  Port 22
"""
    config = parse_config(text)
    assert len(config.blocks) == 1
    assert config.blocks[0].alias == "*"
    assert config.blocks[0].user == "root"


def test_parse_multiple_hosts() -> None:
    text = """Host server1
  HostName 10.0.0.1

Host server2
  HostName 10.0.0.2
  ProxyJump server1
"""
    config = parse_config(text)
    assert len(config.blocks) == 2
    assert config.blocks[0].alias == "server1"
    assert config.blocks[1].alias == "server2"
    assert config.blocks[1].proxy_jump == "server1"


def test_parse_includes() -> None:
    text = """Host *
  User root

Include conf.d/internal/*.conf
Include conf.d/98-jumpservers.conf
"""
    config = parse_config(text)
    assert len(config.raw_includes) == 2
    assert "conf.d/internal/*.conf" in config.raw_includes
    assert "conf.d/98-jumpservers.conf" in config.raw_includes


def test_parse_comments_and_blanks() -> None:
    text = """# This is a comment

Host test
  HostName example.com

  # indent comment
  User tester
"""
    config = parse_config(text)
    assert len(config.blocks) == 1
    assert config.blocks[0].alias == "test"


def test_parse_file_not_found() -> None:
    raised = False
    try:
        parse_file("/nonexistent/ssh_config")
    except ParseError:
        raised = True
    assert raised, "Expected ParseError"


def test_parse_file(sample_config: Path) -> None:
    config = parse_file(sample_config)
    assert len(config.blocks) >= 3
    assert config.find("server1") is not None
    assert config.find("server2") is not None


def test_parse_quoted_values() -> None:
    text = """Host test
  IdentityFile "~/.ssh/keys.d/id_ed25519"
  ProxyJump 'gw.example.com'
"""
    config = parse_config(text)
    block = config.blocks[0]
    assert block.get("IdentityFile") == "~/.ssh/keys.d/id_ed25519"
    assert block.get("ProxyJump") == "gw.example.com"


def test_find_all_wildcard() -> None:
    text = """Host web01
  HostName 10.0.0.1

Host web02
  HostName 10.0.0.2

Host db01
  HostName 10.0.0.3
"""
    config = parse_config(text)
    webs = config.find_all("web*")
    assert len(webs) == 2


def test_aliases_property() -> None:
    text = """Host *
  User root

Host server1
  HostName 10.0.0.1

Host server2
  HostName 10.0.0.2
"""
    config = parse_config(text)
    assert config.aliases == ["server1", "server2"]