/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * 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.android.tests.fastboot;

import com.android.compatibility.common.tradefed.build.CompatibilityBuildHelper;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.device.TestDeviceState;
import com.android.tradefed.invoker.TestInformation;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
import com.android.tradefed.testtype.junit4.AfterClassWithInfo;
import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test;
import com.android.tradefed.testtype.junit4.BeforeClassWithInfo;
import com.android.tradefed.util.CommandResult;
import com.android.tradefed.util.CommandStatus;
import com.android.tradefed.util.IRunUtil;
import com.android.tradefed.util.RunUtil;
import java.io.File;
import java.lang.Thread;
import java.util.Arrays;
import java.util.HashSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/* VTS test to verify userspace fastboot implementation. */
@RunWith(DeviceJUnit4ClassRunner.class)
public class FastbootVerifyUserspaceTest extends BaseHostJUnit4Test {
    // Default maximum command run time is set to 1 minute.
    private static final long MAX_CMD_RUN_TIME = 60000L;

    private ITestDevice mDevice;
    private IRunUtil mRunUtil = RunUtil.getDefault();
    private String mFuzzyFastbootPath;
    private static String executeShellKernelARM64 =
            "cat /proc/config.gz | gzip -d | grep CONFIG_ARM64=y";

    @BeforeClassWithInfo
    public static void setUpClass(TestInformation testInfo) throws Exception {
        boolean isKernelARM64 = testInfo.getDevice()
                                        .executeShellCommand(executeShellKernelARM64)
                                        .contains("CONFIG_ARM64");
        if (isKernelARM64) {
            String output = testInfo.getDevice().executeShellCommand("uname -r");
            Pattern p = Pattern.compile("^(\\d+)\\.(\\d+)");
            Matcher m1 = p.matcher(output);
            Assert.assertTrue(m1.find());
            Assume.assumeTrue("Skipping test for fastbootd on GKI",
                              Integer.parseInt(m1.group(1)) < 5 ||
                              (Integer.parseInt(m1.group(1)) == 5 &&
                               Integer.parseInt(m1.group(2)) < 4));
        }
    }

    @Before
    public void setUp() throws Exception {
        mDevice = getDevice();

        CompatibilityBuildHelper buildHelper = new CompatibilityBuildHelper(getBuild());
        File file = buildHelper.getTestFile("fuzzy_fastboot", getAbi());
        Assert.assertNotNull(file);
        mFuzzyFastbootPath = file.getAbsolutePath();
        CLog.d("Locate `fuzzy_fastboot` at %s", mFuzzyFastbootPath);

        // Make sure the device is in fastbootd mode.
        if (!TestDeviceState.FASTBOOT.equals(mDevice.getDeviceState())) {
            mDevice.rebootIntoFastbootd();
        }
    }

    @AfterClassWithInfo
    public static void tearDownClass(TestInformation testInfo) throws Exception {
        testInfo.getDevice().reboot();
    }

    /* Runs fuzzy_fastboot gtest to verify slot operations in fastbootd implementation. */
    @Ignore("b/146589281")
    @Test
    public void testFastbootdSlotOperations() throws Exception {
        CommandResult result = mRunUtil.runTimedCmd(MAX_CMD_RUN_TIME, mFuzzyFastbootPath,
                String.format("--serial=%s", mDevice.getFastbootSerialNumber()),
                "--gtest_filter=Conformance.Slots:Conformance.SetActive");
        Assert.assertEquals(CommandStatus.SUCCESS, result.getStatus());
    }

    /* Runs fuzzy_fastboot to verify getvar commands related to logical partitions. */
    @Test
    public void testLogicalPartitionCommands() throws Exception {
        CommandResult result = mRunUtil.runTimedCmd(MAX_CMD_RUN_TIME, mFuzzyFastbootPath,
                String.format("--serial=%s", mDevice.getFastbootSerialNumber()),
                "--gtest_filter=LogicalPartitionCompliance.GetVarIsLogical:LogicalPartitionCompliance.SuperPartition");
        Assert.assertEquals(CommandStatus.SUCCESS, result.getStatus());
    }

    /* Devices launching with DAP must have a super partition named "super". */
    @Test
    public void testSuperPartitionName() throws Exception {
        String superPartitionName = mDevice.getFastbootVariable("super-partition-name");
        Assert.assertEquals("super", superPartitionName);
    }

    /* Runs fuzzy_fastboot to verify the commands to reboot into fastbootd and bootloader. */
    @Test
    public void testFastbootReboot() throws Exception {
        CommandResult result = mRunUtil.runTimedCmd(MAX_CMD_RUN_TIME, mFuzzyFastbootPath,
                String.format("--serial=%s", mDevice.getFastbootSerialNumber()),
                "--gtest_filter=LogicalPartitionCompliance.FastbootRebootTest");
        Assert.assertEquals(CommandStatus.SUCCESS, result.getStatus());
    }

    /* Runs fuzzy_fastboot to verify the commands to reboot into fastbootd and bootloader. */
    @Test
    public void testLogicalPartitionFlashing() throws Exception {
        CommandResult result = mRunUtil.runTimedCmd(MAX_CMD_RUN_TIME, mFuzzyFastbootPath,
                String.format("--serial=%s", mDevice.getFastbootSerialNumber()),
                "--gtest_filter=LogicalPartitionCompliance.CreateResizeDeleteLP");
        Assert.assertEquals(CommandStatus.SUCCESS, result.getStatus());
    }
}