package com.rosetta.messenger.database

import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase

@Database(
    entities = [
        EncryptedAccountEntity::class,
        MessageEntity::class,
        DialogEntity::class,
        BlacklistEntity::class
    ],
    version = 3,
    exportSchema = false
)
abstract class RosettaDatabase : RoomDatabase() {
    abstract fun accountDao(): AccountDao
    abstract fun messageDao(): MessageDao
    abstract fun dialogDao(): DialogDao
    abstract fun blacklistDao(): BlacklistDao

    companion object {
        @Volatile
        private var INSTANCE: RosettaDatabase? = null

        fun getDatabase(context: Context): RosettaDatabase {
            return INSTANCE ?: synchronized(this) {
                val instance = Room.databaseBuilder(
                    context.applicationContext,
                    RosettaDatabase::class.java,
                    "rosetta_secure.db"
                )
                    .setJournalMode(JournalMode.WRITE_AHEAD_LOGGING) // WAL mode for performance
                    .fallbackToDestructiveMigration() // Для разработки
                    .build()
                INSTANCE = instance
                instance
            }
        }
    }
}