package com.aistudio.bonjuteri.jwlry.model

import com.google.firebase.Timestamp
import com.google.firebase.firestore.DocumentId
import com.google.firebase.firestore.IgnoreExtraProperties
import com.google.firebase.firestore.ServerTimestamp
import java.text.NumberFormat
import java.util.Locale

@IgnoreExtraProperties
data class Product(
    @DocumentId
    val id: String = "",
    val title: String = "",
    val description: String = "",
    val sku: String = "",
    val category: String = "",
    val price: Double = 0.0,
    val oldPrice: Double? = null,
    val stock: Long = 0L,
    val imageUrl: String = "",
    val isActive: Boolean = true,
    val isNew: Boolean = false,
    val isBestSeller: Boolean = false,
    val isFeatured: Boolean = false,
    @ServerTimestamp
    val createdAt: Timestamp? = null,
    @ServerTimestamp
    val updatedAt: Timestamp? = null
) {
    val formattedPrice: String
        get() = formatCurrency(price)

    val formattedOldPrice: String?
        get() = oldPrice?.let { formatCurrency(it) }

    val hasDiscount: Boolean
        get() = oldPrice != null && oldPrice > price

    val discountPercent: Int
        get() = if (hasDiscount && oldPrice != null && oldPrice > 0) {
            (((oldPrice - price) / oldPrice) * 100).toInt()
        } else {
            0
        }

    val isInStock: Boolean
        get() = stock > 0L

    companion object {
        fun formatCurrency(amount: Double): String {
            val format = NumberFormat.getCurrencyInstance(Locale("tr", "TR"))
            return format.format(amount)
        }
    }
}