// Copyright 2017 The Bazel Authors. All rights reserved.
//
// 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
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.devtools.build.lib.rules.apple;

import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.skyframe.BzlLoadValue.keyForBuild;
import static com.google.devtools.build.lib.skyframe.BzlLoadValue.keyForBuiltins;

import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget;
import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.StarlarkProvider;
import com.google.devtools.build.lib.packages.StructImpl;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Unit tests for the {@code xcode_version} rule.
 */
@RunWith(JUnit4.class)
public final class XcodeVersionTest extends BuildViewTestCase {
  private static final Provider.Key XCODE_VERSION_PROPERTIES_PROVIDER_KEY =
      new StarlarkProvider.Key(
          keyForBuiltins(Label.parseCanonicalUnchecked("@_builtins//:common/xcode/providers.bzl")),
          "XcodeVersionPropertiesInfo");

  @Test
  public void testXcodeVersionCanBeReadFromStarlark() throws Exception {
    scratch.file("examples/rule/BUILD");
    scratch.file(
        "examples/rule/apple_rules.bzl",
        """
        MyInfo = provider()

        def my_rule_impl(ctx):
            xcode_properties = ctx.attr.xcode[apple_common.XcodeProperties]
            xcode_version = xcode_properties.xcode_version
            ios_version = xcode_properties.default_ios_sdk_version
            watchos_version = xcode_properties.default_watchos_sdk_version
            tvos_version = xcode_properties.default_tvos_sdk_version
            macos_version = xcode_properties.default_macos_sdk_version
            return MyInfo(
                xcode_version = xcode_version,
                ios_version = ios_version,
                watchos_version = watchos_version,
                tvos_version = tvos_version,
                macos_version = macos_version,
            )

        my_rule = rule(
            implementation = my_rule_impl,
            attrs = {
                "xcode": attr.label(),
            },
        )
        """);
    scratch.file(
        "examples/apple_starlark/BUILD",
        """
        load("//examples/rule:apple_rules.bzl", "my_rule")

        package(default_visibility = ["//visibility:public"])

        my_rule(
            name = "my_target",
            xcode = ":my_xcode",
        )

        xcode_version(
            name = "my_xcode",
            default_ios_sdk_version = "9.0",
            default_macos_sdk_version = "9.3",
            default_tvos_sdk_version = "9.2",
            default_watchos_sdk_version = "9.1",
            version = "8",
        )
        """);

    RuleConfiguredTarget starlarkTarget =
        (RuleConfiguredTarget) getConfiguredTarget("//examples/apple_starlark:my_target");
    Provider.Key key =
        new StarlarkProvider.Key(
            keyForBuild(Label.parseCanonical("//examples/rule:apple_rules.bzl")), "MyInfo");
    StructImpl myInfo = (StructImpl) starlarkTarget.get(key);
    assertThat((String) myInfo.getValue("xcode_version")).isEqualTo("8");
    assertThat((String) myInfo.getValue("ios_version")).isEqualTo("9.0");
    assertThat((String) myInfo.getValue("watchos_version")).isEqualTo("9.1");
    assertThat((String) myInfo.getValue("tvos_version")).isEqualTo("9.2");
    assertThat((String) myInfo.getValue("macos_version")).isEqualTo("9.3");
  }

  @Test
  public void testXcodeVersionCanBeReadFromNative() throws Exception {
    scratch.file(
        "examples/apple/BUILD",
        """
        package(default_visibility = ["//visibility:public"])

        xcode_version(
            name = "my_xcode",
            default_ios_sdk_version = "9.0",
            default_macos_sdk_version = "9.3",
            default_tvos_sdk_version = "9.2",
            default_watchos_sdk_version = "9.1",
            version = "8",
        )
        """);

    ConfiguredTarget nativeTarget = getConfiguredTarget("//examples/apple:my_xcode");
    StructImpl xcodeProperties =
        (StructImpl) nativeTarget.get(XCODE_VERSION_PROPERTIES_PROVIDER_KEY);
    assertThat(xcodeProperties.getValue("xcode_version")).isEqualTo("8");
    assertThat(xcodeProperties.getValue("default_ios_sdk_version")).isEqualTo("9.0");
    assertThat(xcodeProperties.getValue("default_watchos_sdk_version")).isEqualTo("9.1");
    assertThat(xcodeProperties.getValue("default_tvos_sdk_version")).isEqualTo("9.2");
    assertThat(xcodeProperties.getValue("default_macos_sdk_version")).isEqualTo("9.3");
  }
}