package soy.iko.opencode.data.repo

import android.content.Context
import androidx.datastore.preferences.core.edit
import androidx.datastore.preferences.core.stringPreferencesKey
import androidx.datastore.preferences.preferencesDataStore
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.map

enum class ThemeMode { SYSTEM, LIGHT, DARK }

private val Context.settingsDataStore by preferencesDataStore(name = "settings")

/** Small app-preferences store (theme mode for now; default agent etc. can join later). */
class SettingsStore(context: Context) {

    private val appContext = context.applicationContext
    private val themeKey = stringPreferencesKey("theme_mode")

    val themeMode: Flow<ThemeMode> = appContext.settingsDataStore.data.map { prefs ->
        runCatching { ThemeMode.valueOf(prefs[themeKey] ?: ThemeMode.SYSTEM.name) }
            .getOrDefault(ThemeMode.SYSTEM)
    }

    suspend fun setThemeMode(mode: ThemeMode) {
        appContext.settingsDataStore.edit { it[themeKey] = mode.name }
    }
}