package org.terst.feedreader.data

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.first
import kotlinx.coroutines.flow.map

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

private object SettingsKeys {
    val STASH_BASE_URL = stringPreferencesKey("stash_base_url")
    val STASH_API_KEY = stringPreferencesKey("stash_api_key")
}

/** Stash connection settings, configured on the Settings screen. Both blank until set. */
class Settings(private val context: Context) {
    val stashBaseUrl: Flow<String> =
        context.settingsDataStore.data.map { it[SettingsKeys.STASH_BASE_URL] ?: "" }
    val stashApiKey: Flow<String> =
        context.settingsDataStore.data.map { it[SettingsKeys.STASH_API_KEY] ?: "" }

    suspend fun stashBaseUrlNow(): String = stashBaseUrl.first()
    suspend fun stashApiKeyNow(): String = stashApiKey.first()

    suspend fun setStash(baseUrl: String, apiKey: String) {
        context.settingsDataStore.edit { prefs ->
            prefs[SettingsKeys.STASH_BASE_URL] = baseUrl.trim().trimEnd('/')
            prefs[SettingsKeys.STASH_API_KEY] = apiKey.trim()
        }
    }
}