from pathlib import Path
from docforge.cli.main import cli

def test_mkdocs_build_full_flow(
    cli_runner,
    mock_mkdocs_build,
    mock_mkdocs_load_config,
    tmp_path,
):
    # This test covers what used to be generate + mkdocs + build
    with cli_runner.isolated_filesystem():
        cwd = Path.cwd()
        pkg = cwd / "testpkg"
        pkg.mkdir()
        (pkg / "__init__.py").write_text("")
        (pkg / "mod.py").write_text("def f(): ...\n")

        nav_file = cwd / "docforge.nav.yml"
        nav_file.write_text("home: testpkg/index.md\ngroups: {}\n")
        
        # We need to create a dummy testpkg/index.md for nav resolution if it's there
        # But generate_sources will create it. 
        # Wait, the current logic runs generate_sources first, THEN generate_config.
        
        result = cli_runner.invoke(
            cli,
            [
                "build",
                "--mkdocs",
                "--module",
                "testpkg",
                "--site-name",
                "Test Site",
                "--docs-dir",
                "docs",
                "--mkdocs-yml",
                "mkdocs.yml",
            ],
        )

        assert result.exit_code == 0
        assert mock_mkdocs_build() is True
        assert (cwd / "mkdocs.yml").exists()
        assert (cwd / "docs" / "testpkg" / "mod.md").exists()

def test_mkdocs_build_missing_module_fails(cli_runner):
    result = cli_runner.invoke(cli, ["build", "--mkdocs", "--site-name", "Test"])
    assert result.exit_code != 0
    assert "--module is required" in result.output

def test_mkdocs_build_without_site_name_uses_module_as_default_full_flow(
    cli_runner,
    mock_mkdocs_build,
    mock_mkdocs_load_config,
):
    # Full integration test: real generation, real config, mocked mkdocs build
    with cli_runner.isolated_filesystem():
        cwd = Path.cwd()

        # Create a minimal Python package
        pkg = cwd / "testpkg"
        pkg.mkdir()
        (pkg / "__init__.py").write_text("")
        (pkg / "mod.py").write_text("def f(): ...\n")

        # Create nav spec expected by generate_config
        nav_file = cwd / "docforge.nav.yml"
        nav_file.write_text(
            "home: testpkg/index.md\ngroups: {}\n",
            encoding="utf-8",
        )

        result = cli_runner.invoke(
            cli,
            [
                "build",
                "--mkdocs",
                "--module",
                "testpkg",
                "--docs-dir",
                "docs",
                "--mkdocs-yml",
                "mkdocs.yml",
            ],
        )

        assert result.exit_code == 0
        assert mock_mkdocs_build() is True

        # MkDocs config must exist
        mkdocs_yml = cwd / "mkdocs.yml"
        assert mkdocs_yml.exists()

        # Site name must default to module name
        content = mkdocs_yml.read_text()
        assert "site_name: testpkg" in content

        # Docs must be generated
        assert (cwd / "docs" / "testpkg" / "mod.md").exists()