package moe.odango.index.utils

import java.sql.Date
import java.text.SimpleDateFormat
import java.util.*

data class IntDate(val year: Int, val month: Int, val day: Int) {
    fun toDate(): Date = Date(year - 1900, month, day)

    companion object {
        fun parse(format: String, input: String, locale: Locale = Locale.getDefault(Locale.Category.FORMAT)): IntDate? {
            val formatter = SimpleDateFormat(format, locale)

            return try {
                formatter.parse(input)?.let {
                    val nr = GregorianCalendar().apply {
                        time = it
                    }

                    IntDate(nr.get(Calendar.YEAR), nr.get(Calendar.MONTH), nr.get(Calendar.DAY_OF_MONTH))
                }
            } catch (t: Throwable) {
                null
            }
        }
    }
}

fun Date.toIntDate() = IntDate(this.year + 1900, this.month, this.date)