package srct.whatsopen.model

import com.google.gson.annotations.SerializedName

import java.util.*

data class Facility(
    @SerializedName("facility_name") val name: String,
    @SerializedName("main_schedule") val mainSchedule: Schedule,
    @SerializedName("special_schedules") val specialSchedules: List<Schedule>,
    @SerializedName("facility_location") val location: Location,
    val isFavorite: Boolean,
    val statusDuration: String
) {
    fun currentSchedule(): Schedule {
        val now: Date = Calendar.getInstance(TimeZone.getTimeZone("EST5EDT")).time
        for (schedule in specialSchedules) {
            if (schedule.validStart < now && now < schedule.validEnd) {
                return schedule
            }
        }
        return mainSchedule
    }

    fun isOpen(): Boolean {
        return currentSchedule().isOpen24Hours || currentSchedule().openTimesList.any { time -> time.isOpen() }
    }

    fun nextOpenTime(): OpenTimes? {
        // TODO handle special schedules possibly?
        var leastSeconds: Int = Int.MAX_VALUE
        var nextOpening: OpenTimes? = null
        for (time in currentSchedule().openTimesList) {
            if (time.timeTillOpen() < leastSeconds) {
                leastSeconds = time.timeTillOpen()
                nextOpening = time
            }
        }
        return nextOpening
    }

    fun nextCloseTime(): OpenTimes? {
        var leastSeconds: Int = Int.MAX_VALUE
        var nextClosing: OpenTimes? = null
        for (time in currentSchedule().openTimesList) {
            if (time.timeTillClose() < leastSeconds) {
                leastSeconds = time.timeTillClose()
                nextClosing = time
            }
        }
        return nextClosing
    }

    fun currentHours(): OpenTimes? {
        return if (isOpen()) {
            nextCloseTime()
        } else {
            nextOpenTime()
        }
    }
}