package com.suno.android.common_data.billing.models

import androidx.compose.runtime.Immutable
import kotlinx.collections.immutable.ImmutableList

@Immutable
data class PeriodTransitions(
    val upgrade: PeriodTransitionTimeframe,
    val downgrade: PeriodTransitionTimeframe,
    val crossgrade: PeriodTransitionTimeframe,
)

@Immutable
data class PeriodTransitionTimeframe(
    val immediate: ImmutableList<PeriodTransitionRule>,
    val endOfPeriod: ImmutableList<PeriodTransitionRule>,
)

@Immutable
data class PeriodTransitionRule(
    val from: PlanPeriod,
    val to: PlanPeriod,
)

/**
 * Represents a subscription billing period
 */
enum class PlanPeriod(
    val value: String,
    val label: String,
    val displayPeriod: String,
) {
    Month(value = "month", label = "Monthly", displayPeriod = "monthly"),
    Year(value = "year", label = "Annual", displayPeriod = "annually"),
    ;

    companion object {
        fun fromString(
            value: String,
        ): PlanPeriod? = entries.firstOrNull { it.value.equals(value, ignoreCase = true) }

        fun fromDisplayPeriod(
            displayPeriod: String,
        ): PlanPeriod? = entries.firstOrNull { it.displayPeriod.equals(displayPeriod, ignoreCase = true) }
    }
}