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#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
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# Pylint doesn't play well with fixtures and dependency injection from pytest
# pylint: disable=redefined-outer-name

import os
import pytest
from buildstream import _yaml
from buildstream.exceptions import ErrorDomain, LoadErrorReason
from buildstream._testing.runcli import cli  # pylint: disable=unused-import

# Project directory
DATA_DIR = os.path.dirname(os.path.realpath(__file__))


@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize(
    "target,option,value,expected",
    [
        # Test 'var == "foo"' syntax
        ("element.bst", "brother", "pony", "a pony"),
        ("element.bst", "brother", "zebry", "a zebry"),
        ("element.bst", "brother", "horsy", "a horsy"),
        # Test 'var1 == var2' syntax
        ("element-compare.bst", "brother", "horsy", "different"),
        ("element-compare.bst", "brother", "zebry", "same"),
        ("element-compare.bst", "sister", "pony", "same"),
    ],
)
def test_conditional_cli(cli, datafiles, target, option, value, expected):
    project = os.path.join(datafiles, "option-enum")
    result = cli.run(
        project=project,
        silent=True,
        args=["--option", option, value, "show", "--deps", "none", "--format", "%{vars}", target],
    )

    result.assert_success()
    loaded = _yaml.load_data(result.output)
    assert loaded.get_str("result") == expected


@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize(
    "target,option,value,expected",
    [
        # Test 'var == "foo"' syntax
        ("element.bst", "brother", "pony", "a pony"),
        ("element.bst", "brother", "zebry", "a zebry"),
        ("element.bst", "brother", "horsy", "a horsy"),
        # Test 'var1 == var2' syntax
        ("element-compare.bst", "brother", "horsy", "different"),
        ("element-compare.bst", "brother", "zebry", "same"),
        ("element-compare.bst", "sister", "pony", "same"),
    ],
)
def test_conditional_config(cli, datafiles, target, option, value, expected):
    project = os.path.join(datafiles, "option-enum")
    cli.configure({"projects": {"test": {"options": {option: value}}}})
    result = cli.run(project=project, silent=True, args=["show", "--deps", "none", "--format", "%{vars}", target])

    result.assert_success()
    loaded = _yaml.load_data(result.output)
    assert loaded.get_str("result") == expected


@pytest.mark.datafiles(DATA_DIR)
def test_invalid_value_cli(cli, datafiles):
    project = os.path.join(datafiles, "option-enum")
    result = cli.run(
        project=project,
        silent=True,
        args=["--option", "brother", "giraffy", "show", "--deps", "none", "--format", "%{vars}", "element.bst"],
    )
    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA)


@pytest.mark.datafiles(DATA_DIR)
@pytest.mark.parametrize("config_option", [("giraffy"), (["its", "a", "list"]), ({"dic": "tionary"})])
def test_invalid_value_config(cli, datafiles, config_option):
    project = os.path.join(datafiles, "option-enum")
    cli.configure({"projects": {"test": {"options": {"brother": config_option}}}})
    result = cli.run(
        project=project, silent=True, args=["show", "--deps", "none", "--format", "%{vars}", "element.bst"]
    )
    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA)


@pytest.mark.datafiles(DATA_DIR)
def test_missing_values(cli, datafiles):
    project = os.path.join(datafiles, "option-enum-missing")
    result = cli.run(
        project=project, silent=True, args=["show", "--deps", "none", "--format", "%{vars}", "element.bst"]
    )
    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA)