import pytest

from shell_history_search.parsers.bash import BashHistoryParser
from shell_history_search.parsers.zsh import ZshHistoryParser
from shell_history_search.parsers.fish import FishHistoryParser
from shell_history_search.parsers.factory import get_all_parsers


class TestBashParser:
    @pytest.fixture
    def parser(self):
        return BashHistoryParser()

    def test_parse_single_entry(self, parser, tmp_path):
        history_file = tmp_path / ".bash_history"
        history_file.write_text("ls -la\n")
        entries = list(parser.parse(history_file))
        assert len(entries) == 1
        assert entries[0].command == "ls -la"

    def test_parse_empty_file(self, parser, tmp_path):
        history_file = tmp_path / ".bash_history"
        history_file.write_text("")
        entries = list(parser.parse(history_file))
        assert len(entries) == 0


class TestZshParser:
    @pytest.fixture
    def parser(self):
        return ZshHistoryParser()

    def test_parse_zsh_entry(self, parser, tmp_path):
        history_file = tmp_path / ".zsh_history"
        history_file.write_text(": 1234567890:0;ls -la\n")
        entries = list(parser.parse(history_file))
        assert len(entries) == 1
        assert entries[0].command == "ls -la"


class TestFishParser:
    @pytest.fixture
    def parser(self):
        return FishHistoryParser()

    def test_parse_fish_entry(self, parser, tmp_path):
        history_file = tmp_path / "fish_history"
        history_file.write_text("cmd ls -la\n")
        entries = list(parser.parse(history_file))
        assert len(entries) >= 1
        assert entries[0].command == "ls -la"


class TestParserFactory:
    def test_get_all_parsers(self):
        parsers = get_all_parsers()
        assert len(parsers) == 3
        shell_types = {p.shell_type for p in parsers}
        assert shell_types == {"bash", "zsh", "fish"}