/*
 * Copyright (C) 2024 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 android.service.settings.preferences

import android.os.Parcel
import android.platform.test.annotations.RequiresFlagsEnabled
import android.platform.test.flag.junit.CheckFlagsRule
import android.platform.test.flag.junit.DeviceFlagsValueProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.SmallTest
import com.android.settingslib.flags.Flags.FLAG_SETTINGS_CATALYST
import com.google.common.truth.Truth.assertThat
import org.junit.Rule
import org.junit.Test
import org.junit.runner.RunWith

@RunWith(AndroidJUnit4::class)
@SmallTest
@RequiresFlagsEnabled(FLAG_SETTINGS_CATALYST)
class GetValueResultTest {

    @get:Rule
    val checkFlagsRule: CheckFlagsRule = DeviceFlagsValueProvider.createCheckFlagsRule()

    private val value: SettingsPreferenceValue
        get() = SettingsPreferenceValue.Builder(SettingsPreferenceValue.TYPE_STRING)
            .setStringValue("string")
            .build()
    private val metadata: SettingsPreferenceMetadata
        get() = SettingsPreferenceMetadata.Builder("screenKey", "prefKey")
            .setTitle("title")
            .setEnabled(true)
            .build()

    @Test
    fun buildGetValueResult_failureResult_fieldsNull() {
        val req = GetValueResult.Builder(GetValueResult.RESULT_UNAVAILABLE).build()

        assertThat(req.resultCode).isEqualTo(GetValueResult.RESULT_UNAVAILABLE)
        assertThat(req.value).isNull()
        assertThat(req.metadata).isNull()
    }

    @Test
    fun buildGetValueResult_fieldsSet() {
        val req = GetValueResult.Builder(GetValueResult.RESULT_OK)
            .setValue(value)
            .setMetadata(metadata)
            .build()

        assertThat(req.resultCode).isEqualTo(GetValueResult.RESULT_OK)
        assertThat(req.value!!.type).isEqualTo(SettingsPreferenceValue.TYPE_STRING)
        assertThat(req.value!!.stringValue!!).isEqualTo("string")
        with(req.metadata!!) {
            assertThat(screenKey).isEqualTo("screenKey")
            assertThat(key).isEqualTo("prefKey")
            assertThat(title!!).isEqualTo("title")
            assertThat(isEnabled).isTrue()
        }
    }

    @Test
    fun buildGetValueResult_fromParcelable() {
        val old = GetValueResult.Builder(GetValueResult.RESULT_OK)
            .setValue(value)
            .setMetadata(metadata)
            .build()

        val parcel = Parcel.obtain()
        old.writeToParcel(parcel, 0)
        parcel.setDataPosition(0)
        val new = GetValueResult.CREATOR.createFromParcel(parcel)

        assertThat(new.resultCode).isEqualTo(GetValueResult.RESULT_OK)
        assertThat(new.value!!.type).isEqualTo(SettingsPreferenceValue.TYPE_STRING)
        assertThat(new.value!!.stringValue!!).isEqualTo("string")
        with(new.metadata!!) {
            assertThat(screenKey).isEqualTo("screenKey")
            assertThat(key).isEqualTo("prefKey")
            assertThat(title!!).isEqualTo("title")
            assertThat(isEnabled).isTrue()
        }
    }
}