import os

from ..base import common
from ..base.testcase import ShedTestCase

matplotlib_repository_name = "package_matplotlib_1_2_0170"
matplotlib_repository_description = (
    "Contains a tool dependency definition that downloads and compiles version 1.2.x of the python matplotlib package."
)
matplotlib_repository_long_description = (
    "This repository is intended to be defined as a complex repository dependency within a separate repository."
)

numpy_repository_name = "package_numpy_1_7_0170"
numpy_repository_description = (
    "Contains a tool dependency definition that downloads and compiles version 1.7 of the python numpy package."
)
numpy_repository_long_description = (
    "This repository is intended to be defined as a complex repository dependency within a separate repository."
)

category_name = "Test 0170 Prior Installation Complex Dependencies"
category_description = "Test 0170 Prior Installation Complex Dependencies"

"""
1. Create and populate repositories package_matplotlib_1_2_0170 and package_numpy_1_7_0170.
2. Create a complex repository dependency on package_numpy_1_7_0170, and upload this to package_matplotlib_1_2_0170.
3. Verify that package_matplotlib_1_2_0170 now depends on package_numpy_1_7_0170, and that the inherited tool dependency displays correctly.
"""


class TestComplexPriorInstallation(ShedTestCase):
    """Test features related to datatype converters."""

    def test_0000_initiate_users(self):
        """Create necessary user accounts."""
        self.login(email=common.test_user_1_email, username=common.test_user_1_name)
        self.login(email=common.admin_email, username=common.admin_username)

    def test_0005_create_matplotlib_repository(self):
        """Create and populate the package_matplotlib_1_2_0170 repository.

        This is step 1 - Create and populate repositories package_matplotlib_1_2_0170 and package_numpy_1_7_0170.
        """
        category = self.create_category(name=category_name, description=category_description)
        self.login(email=common.test_user_1_email, username=common.test_user_1_name)
        repository = self.get_or_create_repository(
            name=matplotlib_repository_name,
            description=matplotlib_repository_description,
            long_description=matplotlib_repository_long_description,
            owner=common.test_user_1_name,
            category=category,
            strings_displayed=[],
        )
        self.commit_tar_to_repository(
            repository,
            "package_matplotlib/package_matplotlib_1_2.tar",
            commit_message="Uploaded matplotlib tool dependency tarball.",
            strings_displayed=["tool_dependencies.xml"],
        )

    def test_0010_create_numpy_repository(self):
        """Create and populate the package_numpy_1_7_0170 repository.

        This is step 1 - Create and populate repositories package_matplotlib_1_2_0170 and package_numpy_1_7_0170.
        """
        category = self.create_category(name=category_name, description=category_description)
        self.login(email=common.test_user_1_email, username=common.test_user_1_name)
        repository = self.get_or_create_repository(
            name=numpy_repository_name,
            description=numpy_repository_description,
            long_description=numpy_repository_long_description,
            owner=common.test_user_1_name,
            category=category,
            strings_displayed=[],
        )
        self.commit_tar_to_repository(
            repository,
            "package_numpy/package_numpy_1_7.tar",
            commit_message="Uploaded numpy tool dependency tarball.",
        )

    def test_0015_create_complex_repository_dependency(self):
        """Create a dependency on package_numpy_1_7_0170.

        This is step 2 - Create a complex repository dependency on package_numpy_1_7_0170, and upload this to package_matplotlib_1_2_0170.
        package_matplotlib_1_2_0170 should depend on package_numpy_1_7_0170, with prior_installation_required
        set to True. When matplotlib is selected for installation, the result should be that numpy is compiled
        and installed first.
        """
        numpy_repository = self._get_repository_by_name_and_owner(numpy_repository_name, common.test_user_1_name)
        matplotlib_repository = self._get_repository_by_name_and_owner(
            matplotlib_repository_name, common.test_user_1_name
        )
        # Generate the new dependency XML. Normally, the create_repository_dependency method would be used for this, but
        # it replaces any existing tool or repository dependency XML file with the generated contents. This is undesirable
        # in this case, because matplotlib already has an additional tool dependency definition that we don't want to
        # overwrite.
        new_xml = '    <package name="numpy" version="1.7">\n'
        new_xml += '        <repository toolshed="%s" name="%s" owner="%s" changeset_revision="%s" prior_installation_required="True" />\n'
        new_xml += "    </package>\n"
        url = self.url
        name = numpy_repository.name
        owner = numpy_repository.owner
        changeset_revision = self.get_repository_tip(numpy_repository)
        processed_xml = new_xml % (url, name, owner, changeset_revision)
        original_xml = open(self.get_filename("package_matplotlib/tool_dependencies.xml")).read()
        dependency_xml_path = self.generate_temp_path("test_0170", additional_paths=["matplotlib"])
        new_xml_file = os.path.join(dependency_xml_path, "tool_dependencies.xml")
        open(new_xml_file, "w").write(original_xml.replace("<!--NUMPY-->", processed_xml))
        # Upload the generated complex repository dependency XML to the matplotlib repository.
        self.add_file_to_repository(matplotlib_repository, new_xml_file, "tool_dependencies.xml")

    def test_0020_verify_generated_dependency(self):
        """Verify that matplotlib now has a package tool dependency and a complex repository dependency.

        This is step 3 - Verify that package_matplotlib_1_2_0170 now depends on
        package_numpy_1_7_0170, and that the inherited tool dependency displays correctly.
        'Inherited' in this case means that matplotlib should show a package tool dependency on numpy version 1.7, and a repository
        dependency on the latest revision of package_numpy_1_7_0170.
        """
        numpy_repository = self._get_repository_by_name_and_owner(numpy_repository_name, common.test_user_1_name)
        matplotlib_repository = self._get_repository_by_name_and_owner(
            matplotlib_repository_name, common.test_user_1_name
        )
        self.check_repository_dependency(matplotlib_repository, depends_on_repository=numpy_repository)
