import pytest

from bonobo.util.testing import EnvironmentTestCase


@pytest.fixture
def env1(tmpdir):
    env_file = tmpdir.join(".env_one")
    env_file.write("\n".join(("SECRET=unknown", "PASSWORD=sweet", "PATH=first")))
    return str(env_file)


@pytest.fixture
def env2(tmpdir):
    env_file = tmpdir.join(".env_two")
    env_file.write("\n".join(("PASSWORD=bitter", "PATH='second'")))
    return str(env_file)


class TestDefaultEnvFile(EnvironmentTestCase):
    def test_run_with_default_env_file(self, runner, target, env1):
        env = self.run_environ(runner, *target, "--default-env-file", env1)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "sweet"
        assert env.get("PATH") == "/usr/bin"

    def test_run_with_multiple_default_env_files(self, runner, target, env1, env2):
        env = self.run_environ(runner, *target, "--default-env-file", env1, "--default-env-file", env2)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "sweet"
        assert env.get("PATH") == "/usr/bin"

        env = self.run_environ(runner, *target, "--default-env-file", env2, "--default-env-file", env1)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "bitter"
        assert env.get("PATH") == "/usr/bin"


class TestEnvFile(EnvironmentTestCase):
    def test_run_with_file(self, runner, target, env1):
        env = self.run_environ(runner, *target, "--env-file", env1)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "sweet"
        assert env.get("PATH") == "first"

    def test_run_with_multiple_files(self, runner, target, env1, env2):
        env = self.run_environ(runner, *target, "--env-file", env1, "--env-file", env2)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "bitter"
        assert env.get("PATH") == "second"

        env = self.run_environ(runner, *target, "--env-file", env2, "--env-file", env1)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "sweet"
        assert env.get("PATH") == "first"


class TestEnvFileCombinations(EnvironmentTestCase):
    def test_run_with_both_env_files(self, runner, target, env1, env2):
        env = self.run_environ(runner, *target, "--default-env-file", env1, "--env-file", env2)
        assert env.get("SECRET") == "unknown"
        assert env.get("PASSWORD") == "bitter"
        assert env.get("PATH") == "second"

    def test_run_with_both_env_files_then_overrides(self, runner, target, env1, env2):
        env = self.run_environ(
            runner,
            *target,
            "--default-env-file",
            env1,
            "--env-file",
            env2,
            "--env",
            "PASSWORD=mine",
            "--env",
            "SECRET=s3cr3t"
        )
        assert env.get("SECRET") == "s3cr3t"
        assert env.get("PASSWORD") == "mine"
        assert env.get("PATH") == "second"


class TestEnvVars(EnvironmentTestCase):
    def test_run_no_env(self, runner, target):
        env = self.run_environ(runner, *target, environ={"USER": "romain"})
        assert env.get("USER") == "romain"

    def test_run_env(self, runner, target):
        env = self.run_environ(runner, *target, "--env", "USER=serious", environ={"USER": "romain"})
        assert env.get("USER") == "serious"

    def test_run_env_mixed(self, runner, target):
        env = self.run_environ(runner, *target, "--env", "ONE=1", "--env", 'TWO="2"', environ={"USER": "romain"})
        assert env.get("USER") == "romain"
        assert env.get("ONE") == "1"
        assert env.get("TWO") == "2"

    def test_run_default_env(self, runner, target):
        env = self.run_environ(runner, *target, "--default-env", "USER=clown")
        assert env.get("USER") == "clown"

        env = self.run_environ(runner, *target, "--default-env", "USER=clown", environ={"USER": "romain"})
        assert env.get("USER") == "romain"

        env = self.run_environ(
            runner, *target, "--env", "USER=serious", "--default-env", "USER=clown", environ={"USER": "romain"}
        )
        assert env.get("USER") == "serious"