package sh.sar.basedbank

import android.app.Application
import androidx.appcompat.app.AppCompatDelegate
import com.google.android.material.color.DynamicColors
import kotlinx.coroutines.sync.Mutex
import sh.sar.basedbank.api.bml.BmlSession
import sh.sar.basedbank.api.fahipay.FahipaySession
import sh.sar.basedbank.api.mib.MibAccount
import sh.sar.basedbank.api.mib.MibLoginFlow
import sh.sar.basedbank.api.mib.MibProfile
import sh.sar.basedbank.api.mib.MibSession
import sh.sar.basedbank.util.CredentialStore

class BasedBankApp : Application() {

    // Held in memory after successful login; cleared on logout
    var accounts: List<MibAccount> = emptyList()
    var fullName: String = ""
    var mibSession: MibSession? = null
    var mibProfiles: List<MibProfile> = emptyList()
    var bmlSession: BmlSession? = null
    var bmlAccounts: List<MibAccount> = emptyList()
    var fahipaySession: FahipaySession? = null
    var fahipayAccounts: List<MibAccount> = emptyList()

    /** Serialises all MIB profile-switch + request sequences to prevent session corruption. */
    val mibMutex = Mutex()

    val mibLoginFlow by lazy {
        MibLoginFlow(CredentialStore(this)).also { flow ->
            flow.onSessionRefreshed = { session, profiles ->
                mibSession = session
                mibProfiles = profiles
            }
        }
    }

    override fun onCreate() {
        super.onCreate()
        DynamicColors.applyToActivitiesIfAvailable(this)

        val theme = getSharedPreferences("prefs", MODE_PRIVATE).getString("theme", "system")
        AppCompatDelegate.setDefaultNightMode(when (theme) {
            "dark" -> AppCompatDelegate.MODE_NIGHT_YES
            "light" -> AppCompatDelegate.MODE_NIGHT_NO
            else -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
        })
    }
}