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/**
* Copyright (C) 2022 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.healthconnect.controller.utils
import java.time.Duration
import java.time.Instant
import java.time.Instant.ofEpochMilli
import java.time.LocalDate
import java.time.LocalDateTime
import java.time.LocalTime
import java.time.ZoneId
import kotlin.random.Random
/**
* Returns an Instant with the specified year, month and day-of-month. The day must be valid for the
* year and month, otherwise an exception will be thrown.
*
* @param year the year to represent, from MIN_YEAR to MAX_YEAR
* @param month the month-of-year to represent, from 1 (January) to 12 (December)
* @param day the day-of-month to represent, from 1 to 31
*/
fun getInstant(year: Int, month: Int, day: Int): Instant {
val date = LocalDate.of(year, month, day)
return date.atTime(LocalTime.MIDNIGHT).atZone(ZoneId.systemDefault()).toInstant()
}
fun Long.toInstant(): Instant {
return ofEpochMilli(this)
}
fun Instant.toLocalDate(): LocalDate {
return atZone(ZoneId.systemDefault()).toLocalDate()
}
fun Instant.toLocalTime(): LocalTime {
return atZone(ZoneId.systemDefault()).toLocalTime()
}
fun Instant.toLocalDateTime(): LocalDateTime {
return atZone(ZoneId.systemDefault()).toLocalDateTime()
}
fun Instant.isOnSameDay(other: Instant): Boolean {
val localDate1 = this.toLocalDate()
val localDate2 = other.toLocalDate()
return localDate1 == localDate2
}
fun Instant.isOnDayBefore(other: Instant): Boolean {
val localDate1 = this.toLocalDate()
val localDate2 = other.toLocalDate()
return localDate1 == localDate2.minusDays(1)
}
fun Instant.isOnDayAfter(other: Instant): Boolean {
val localDate1 = this.toLocalDate()
val localDate2 = other.toLocalDate()
return localDate1 == localDate2.plusDays(1)
}
fun Instant.atStartOfDay(): Instant {
return this.toLocalDate().atStartOfDay(ZoneId.systemDefault()).toInstant()
}
fun Instant.isAtLeastOneDayAfter(other: Instant): Boolean {
val localDate1 = this.toLocalDate()
val localDate2 = other.toLocalDate()
return localDate1.isAfter(localDate2.plusDays(1)) || localDate1 == localDate2.plusDays(1)
}
fun LocalDate.toInstantAtStartOfDay(): Instant {
return this.atStartOfDay(ZoneId.systemDefault()).toInstant()
}
fun LocalDate.randomInstant(): Instant {
val startOfDay = this.toInstantAtStartOfDay()
// Calculate the number of seconds in a day, accounting for daylight saving changes
val duration = Duration.between(startOfDay, this.plusDays(1).toInstantAtStartOfDay())
val secondsInDay = duration.seconds
// Generate a random offset in seconds within the day
val randomSecondOffset = Random.nextLong(secondsInDay)
// Return the calculated instant
return startOfDay.plusSeconds(randomSecondOffset)
}
fun LocalDateTime.toInstant(): Instant {
return atZone(ZoneId.systemDefault()).toInstant()
}
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