package space.luminic.finance.models

import org.springframework.data.annotation.CreatedBy
import org.springframework.data.annotation.CreatedDate
import org.springframework.data.annotation.LastModifiedBy
import org.springframework.data.annotation.LastModifiedDate
import java.math.BigDecimal
import java.time.Instant
import java.time.LocalDate

data class Goal(
    var id: Int? = null,
    val space: Space? = null,
    val type: GoalType,
    val name: String,
    val description: String? = null,
    val amount: BigDecimal,
    val components: List<GoalComponent> = emptyList(),
    val transactions: List<Transaction> = emptyList(),
    val untilDate: LocalDate,
    @CreatedBy  var createdBy: User? = null,

    @CreatedDate var createdAt: Instant? = null,
    @LastModifiedBy  var updatedBy: User? = null,

    @LastModifiedDate var updatedAt: Instant? = null,
    ) {

    var currentAmount: BigDecimal = {
        this.transactions.sumOf { it.amount }
    } as BigDecimal


    data class GoalComponent(
        val id: Int? = null,
        val name: String,
        val amount: BigDecimal,
        val isDone: Boolean = false,
        val date: LocalDate = LocalDate.now(),
    )

    enum class GoalType(val displayName: String, val icon: String) {
        AUTO("Авто", "🏎️"),
        VACATION("Отпуск", "🏖️"),
        GOODS("Покупка", "🛍️"),
        OTHER("Прочее", "💸")
    }
}