// Copyright 2015 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.objc;

import static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST;
import static com.google.devtools.build.lib.syntax.Type.BOOLEAN;

import com.google.devtools.build.lib.analysis.BaseRuleClasses;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
import com.google.devtools.build.lib.packages.RuleClass;
import com.google.devtools.build.lib.packages.RuleClass.Builder;
import com.google.devtools.build.lib.rules.apple.AppleConfiguration;

/**
 * Rule definition for {@code objc_xcodeproj}.
 */
public class ObjcXcodeprojRule implements RuleDefinition {
  @Override
  public RuleClass build(Builder builder, RuleDefinitionEnvironment env) {
    return builder
        .requiresConfigurationFragments(ObjcConfiguration.class, AppleConfiguration.class)
        /*<!-- #BLAZE_RULE(objc_xcodeproj).IMPLICIT_OUTPUTS -->
        <ul>
        <li><code><var>name</var>.xcodeproj/project.pbxproj</code>: A combined Xcode project file
            containing all the included targets which can be used to develop or build on a Mac.</li>
        </ul>
        <!-- #END_BLAZE_RULE.IMPLICIT_OUTPUTS -->*/
        .setImplicitOutputsFunction(XcodeSupport.PBXPROJ)
        /* <!-- #BLAZE_RULE(objc_xcodeproj).ATTRIBUTE(deps) -->
        The list of targets to include in the combined Xcode project file.
        <!-- #END_BLAZE_RULE.ATTRIBUTE -->*/
        .add(attr("deps", LABEL_LIST)
            .nonEmpty()
            .allowedRuleClasses(
                "objc_binary",
                "ios_application",
                "ios_extension_binary",
                "ios_extension",
                "apple_watch_extension_binary",
                "apple_watch1_extension",
                "ios_framework",
                "ios_framework_binary",
                "ios_test",
                "objc_bundle_library",
                "objc_import",
                "objc_library",
                "experimental_objc_library")
            .allowedFileTypes())
        .override(attr("testonly", BOOLEAN)
            .nonconfigurable("Must support test deps.")
            .value(true))
        .build();
  }

  @Override
  public Metadata getMetadata() {
    return RuleDefinition.Metadata.builder()
        .name("objc_xcodeproj")
        .factoryClass(ObjcXcodeproj.class)
        .ancestors(BaseRuleClasses.BaseRule.class, ObjcRuleClasses.XcodegenRule.class)
        .build();
  }
}

/*<!-- #BLAZE_RULE (NAME = objc_xcodeproj, TYPE = OTHER, FAMILY = Objective-C) -->

<p>This rule combines build information about several objc targets (and all their transitive
dependencies) into a single Xcode project file, for use in developing on a Mac.</p>

<!-- #END_BLAZE_RULE -->*/