// Copyright 2019 Google Inc. 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 java

import (
	"reflect"
	"testing"

	"android/soong/android"
	"android/soong/cc"
)

var prepareForJavaAndroidMkTest = android.GroupFixturePreparers(
	prepareForJavaTest,
	android.PrepareForTestWithAndroidMk,
)

func TestRequired(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		java_library {
			name: "foo",
			srcs: ["a.java"],
			required: ["libfoo"],
		}
	`)

	mod := ctx.ModuleForTests(t, "foo", "android_common").Module()
	info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)

	expected := []string{"libfoo"}
	actual := info.PrimaryInfo.EntryMap["LOCAL_REQUIRED_MODULES"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected required modules - expected: %q, actual: %q", expected, actual)
	}
}

func TestHostdex(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		java_library {
			name: "foo",
			srcs: ["a.java"],
			hostdex: true,
		}
	`)

	mod := ctx.ModuleForTests(t, "foo", "android_common").Module()
	info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)
	if len(info.ExtraInfo) != 1 {
		t.Errorf("one extra entry is expected, but got %d", len(info.ExtraInfo))
	}

	mainEntries := &info.PrimaryInfo
	expected := []string{"foo"}
	actual := mainEntries.EntryMap["LOCAL_MODULE"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected module name - expected: %q, actual: %q", expected, actual)
	}

	subEntries := &info.ExtraInfo[0]
	expected = []string{"foo-hostdex"}
	actual = subEntries.EntryMap["LOCAL_MODULE"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected module name - expected: %q, actual: %q", expected, actual)
	}
}

func TestHostdexRequired(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		java_library {
			name: "foo",
			srcs: ["a.java"],
			hostdex: true,
			required: ["libfoo"],
		}
	`)

	mod := ctx.ModuleForTests(t, "foo", "android_common").Module()
	info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)
	if len(info.ExtraInfo) != 1 {
		t.Errorf("one extra entries is expected, but got %d", len(info.ExtraInfo))
	}

	if len(info.ExtraInfo) != 1 {
		t.Errorf("one extra entries is expected, but got %d", len(info.ExtraInfo))
	}

	mainEntries := &info.PrimaryInfo

	expected := []string{"libfoo"}
	actual := mainEntries.EntryMap["LOCAL_REQUIRED_MODULES"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected required modules - expected: %q, actual: %q", expected, actual)
	}

	subEntries := &info.ExtraInfo[0]

	expected = []string{"libfoo"}
	actual = subEntries.EntryMap["LOCAL_REQUIRED_MODULES"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected required modules - expected: %q, actual: %q", expected, actual)
	}
}

func TestHostdexSpecificRequired(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		java_library {
			name: "foo",
			srcs: ["a.java"],
			hostdex: true,
			target: {
				hostdex: {
					required: ["libfoo"],
				},
			},
		}
	`)

	mod := ctx.ModuleForTests(t, "foo", "android_common").Module()
	info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)
	if len(info.ExtraInfo) != 1 {
		t.Fatalf("one extra entries is expected, but got %d", len(info.ExtraInfo))
	}

	mainEntries := &info.PrimaryInfo

	if r, ok := mainEntries.EntryMap["LOCAL_REQUIRED_MODULES"]; ok {
		t.Errorf("Unexpected required modules: %q", r)
	}

	if len(info.ExtraInfo) != 1 {
		t.Fatalf("one extra entries is expected, but got %d", len(info.ExtraInfo))
	}

	subEntries := &info.ExtraInfo[0]

	expected := []string{"libfoo"}
	actual := subEntries.EntryMap["LOCAL_REQUIRED_MODULES"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected required modules - expected: %q, actual: %q", expected, actual)
	}
}

func TestJavaSdkLibrary_RequireXmlPermissionFile(t *testing.T) {
	t.Parallel()
	result := android.GroupFixturePreparers(
		prepareForJavaAndroidMkTest,
		PrepareForTestWithJavaSdkLibraryFiles,
		FixtureWithLastReleaseApis("foo-shared_library", "foo-no_shared_library"),
	).RunTestWithBp(t, `
		java_sdk_library {
			name: "foo-shared_library",
			srcs: ["a.java"],
		}
		java_sdk_library {
			name: "foo-no_shared_library",
			srcs: ["a.java"],
			shared_library: false,
		}
		`)

	// Verify the existence of internal modules
	result.ModuleForTests(t, "foo-shared_library.xml", "android_common")

	testCases := []struct {
		moduleName string
		expected   []string
	}{
		{"foo-shared_library", []string{"foo-shared_library.impl", "foo-shared_library.xml"}},
		{"foo-no_shared_library", []string{"foo-no_shared_library.impl"}},
	}
	for _, tc := range testCases {
		mod := result.ModuleForTests(t, tc.moduleName, "android_common").Module()
		info := android.AndroidMkInfoForTest(t, result.TestContext, mod)
		actual := info.PrimaryInfo.EntryMap["LOCAL_REQUIRED_MODULES"]
		if !reflect.DeepEqual(tc.expected, actual) {
			t.Errorf("Unexpected required modules - expected: %q, actual: %q", tc.expected, actual)
		}
	}
}

func TestImportSoongDexJar(t *testing.T) {
	t.Parallel()
	result := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		java_import {
			name: "my-java-import",
			jars: ["a.jar"],
			prefer: true,
			compile_dex: true,
		}
	`)

	mod := result.Module("my-java-import", "android_common")
	info := android.AndroidMkInfoForTest(t, result.TestContext, mod)
	expectedSoongDexJar := "out/soong/.intermediates/my-java-import/android_common/dex/my-java-import.jar"
	actualSoongDexJar := info.PrimaryInfo.EntryMap["LOCAL_SOONG_DEX_JAR"]

	android.AssertStringPathsRelativeToTopEquals(t, "LOCAL_SOONG_DEX_JAR", result.Config, []string{expectedSoongDexJar}, actualSoongDexJar)
}

func TestAndroidTestHelperApp_LocalDisableTestConfig(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(t, `
		android_test_helper_app {
			name: "foo",
			srcs: ["a.java"],
		}
	`)

	mod := ctx.ModuleForTests(t, "foo", "android_common").Module()
	info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)

	expected := []string{"true"}
	actual := info.PrimaryInfo.EntryMap["LOCAL_DISABLE_TEST_CONFIG"]
	if !reflect.DeepEqual(expected, actual) {
		t.Errorf("Unexpected flag value - expected: %q, actual: %q", expected, actual)
	}
}

func TestGetOverriddenPackages(t *testing.T) {
	t.Parallel()
	ctx := prepareForJavaAndroidMkTest.RunTestWithBp(
		t, `
		android_app {
			name: "foo",
			srcs: ["a.java"],
			sdk_version: "current",
			overrides: ["qux"]
		}

		override_android_app {
			name: "foo_override",
			base: "foo",
			overrides: ["bar"]
		}
		`)

	expectedVariants := []struct {
		name        string
		moduleName  string
		variantName string
		overrides   []string
	}{
		{
			name:        "foo",
			moduleName:  "foo",
			variantName: "android_common",
			overrides:   []string{"qux"},
		},
		{
			name:        "foo",
			moduleName:  "foo_override",
			variantName: "android_common_foo_override",
			overrides:   []string{"bar", "foo"},
		},
	}

	for _, expected := range expectedVariants {
		mod := ctx.ModuleForTests(t, expected.name, expected.variantName).Module()
		info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)
		actual := info.PrimaryInfo.EntryMap["LOCAL_OVERRIDES_PACKAGES"]

		android.AssertDeepEquals(t, "overrides property", expected.overrides, actual)
	}
}

func TestJniAsRequiredDeps(t *testing.T) {
	t.Parallel()
	ctx := android.GroupFixturePreparers(
		PrepareForTestWithJavaDefaultModules,
		cc.PrepareForTestWithCcDefaultModules,
		android.PrepareForTestWithAndroidMk,
	).RunTestWithBp(t, `
		android_app {
			name: "app",
			jni_libs: ["libjni"],
			platform_apis: true,
		}

		android_app {
			name: "app_embedded",
			jni_libs: ["libjni"],
			platform_apis: true,
			use_embedded_native_libs: true,
		}

		cc_library {
			name: "libjni",
			system_shared_libs: [],
			stl: "none",
		}
		`)

	testcases := []struct {
		name     string
		expected []string
	}{
		{
			name:     "app",
			expected: []string{"libjni:64"},
		},
		{
			name:     "app_embedded",
			expected: nil,
		},
	}

	for _, tc := range testcases {
		mod := ctx.ModuleForTests(t, tc.name, "android_common").Module()
		info := android.AndroidMkInfoForTest(t, ctx.TestContext, mod)
		required := info.PrimaryInfo.EntryMap["LOCAL_REQUIRED_MODULES"]
		android.AssertDeepEquals(t, "unexpected required deps", tc.expected, required)
	}
}