// Copyright 2015-present 650 Industries. All rights reserved.
package host.exp.exponent.storage

import android.content.Context
import host.exp.exponent.analytics.EXL
import host.exp.exponent.kernel.ExperienceKey
import host.exp.expoview.ExpoViewBuildConfig
import host.exp.expoview.R
import org.json.JSONException
import org.json.JSONObject
import javax.inject.Singleton

@Singleton
class ExponentSharedPreferences constructor(val context: Context) {
  private val sharedPreferences = context.getSharedPreferences(
    context.getString(R.string.preference_file_key),
    Context.MODE_PRIVATE
  )

  private val exponentInstallationId = ExponentInstallationId(context, sharedPreferences)

  fun getBoolean(key: ExponentSharedPreferencesKey): Boolean {
    return sharedPreferences.getBoolean(key.preferenceKey, DEFAULT_VALUES[key] ?: false)
  }

  fun getBoolean(key: ExponentSharedPreferencesKey, defaultValue: Boolean): Boolean {
    return sharedPreferences.getBoolean(key.preferenceKey, defaultValue)
  }

  fun setBoolean(key: ExponentSharedPreferencesKey, value: Boolean) {
    sharedPreferences.edit().putBoolean(key.preferenceKey, value).apply()
  }

  fun getInteger(key: ExponentSharedPreferencesKey): Int {
    return getInteger(key, 0)
  }

  fun getInteger(key: ExponentSharedPreferencesKey, defaultValue: Int): Int {
    return sharedPreferences.getInt(key.preferenceKey, defaultValue)
  }

  fun setInteger(key: ExponentSharedPreferencesKey, value: Int) {
    sharedPreferences.edit().putInt(key.preferenceKey, value).apply()
  }

  fun getString(key: ExponentSharedPreferencesKey): String? {
    return getString(key, null)
  }

  fun getString(key: ExponentSharedPreferencesKey, defaultValue: String?): String? {
    return sharedPreferences.getString(key.preferenceKey, defaultValue)
  }

  fun setString(key: ExponentSharedPreferencesKey, value: String?) {
    sharedPreferences.edit().putString(key.preferenceKey, value).apply()
  }

  fun delete(key: ExponentSharedPreferencesKey) {
    sharedPreferences.edit().remove(key.preferenceKey).apply()
  }

  fun shouldUseEmbeddedKernel(): Boolean {
    return getBoolean(ExponentSharedPreferencesKey.USE_EMBEDDED_KERNEL_KEY)
  }

  fun getUUID(): String? {
    return exponentInstallationId.getUUID()
  }

  fun getOrCreateUUID(): String {
    return exponentInstallationId.getOrCreateUUID()
  }

  fun updateSession(session: JSONObject) {
    setString(ExponentSharedPreferencesKey.EXPO_AUTH_SESSION, session.toString())
  }

  fun removeSession() {
    setString(ExponentSharedPreferencesKey.EXPO_AUTH_SESSION, null)
  }

  val sessionSecret: String?
    get() {
      val sessionString = getString(ExponentSharedPreferencesKey.EXPO_AUTH_SESSION)
        ?: return null
      return try {
        val session = JSONObject(sessionString)
        session.getString(EXPO_AUTH_SESSION_SECRET_KEY)
      } catch (e: Exception) {
        EXL.e(TAG, e)
        null
      }
    }

  fun removeLegacyManifest(manifestUrl: String) {
    sharedPreferences.edit().remove(manifestUrl).apply()
  }

  fun updateExperienceMetadata(experienceKey: ExperienceKey, metadata: JSONObject) {
    sharedPreferences.edit()
      .putString(EXPERIENCE_METADATA_PREFIX + experienceKey.scopeKey, metadata.toString()).apply()
  }

  fun getExperienceMetadata(experienceKey: ExperienceKey): JSONObject? {
    val jsonString =
      sharedPreferences.getString(EXPERIENCE_METADATA_PREFIX + experienceKey.scopeKey, null)
        ?: return null
    return try {
      JSONObject(jsonString)
    } catch (e: JSONException) {
      EXL.e(TAG, e)
      null
    }
  }

  companion object {
    private val TAG = ExponentSharedPreferences::class.java.simpleName

    const val EXPO_AUTH_SESSION_SECRET_KEY = "sessionSecret"

    // Metadata
    const val EXPERIENCE_METADATA_PREFIX = "experience_metadata_"
    const val EXPERIENCE_METADATA_UNREAD_REMOTE_NOTIFICATIONS = "unreadNotifications"
    const val EXPERIENCE_METADATA_ALL_NOTIFICATION_IDS = "allNotificationIds"
    const val EXPERIENCE_METADATA_ALL_SCHEDULED_NOTIFICATION_IDS = "allScheduledNotificationIds"
    const val EXPERIENCE_METADATA_LOADING_ERROR = "loadingError"
    const val EXPERIENCE_METADATA_PERMISSIONS = "permissions"
    const val EXPERIENCE_METADATA_NOTIFICATION_CHANNELS = "notificationChannels"

    private val DEFAULT_VALUES = mutableMapOf(
      ExponentSharedPreferencesKey.USE_EMBEDDED_KERNEL_KEY to ExpoViewBuildConfig.USE_EMBEDDED_KERNEL,
      ExponentSharedPreferencesKey.IS_ONBOARDING_FINISHED_KEY to false,
      ExponentSharedPreferencesKey.NUX_HAS_FINISHED_FIRST_RUN_KEY to false,
      ExponentSharedPreferencesKey.SHOULD_NOT_USE_KERNEL_CACHE to false
    )
  }

  init {
    // We renamed `nux` to `onboarding` in January 2020 - the old preference key can be removed from here after some time,
    // but since then we need to rewrite nux setting to the new key.
    if (!sharedPreferences.contains(ExponentSharedPreferencesKey.IS_ONBOARDING_FINISHED_KEY.preferenceKey)) {
      setBoolean(ExponentSharedPreferencesKey.IS_ONBOARDING_FINISHED_KEY, getBoolean(ExponentSharedPreferencesKey.NUX_HAS_FINISHED_FIRST_RUN_KEY))
    }
  }

  enum class ExponentSharedPreferencesKey(val preferenceKey: String) {
    // Dev options
    USE_EMBEDDED_KERNEL_KEY("use_embedded_kernel"),

    // Other
    FCM_TOKEN_KEY("fcm_token"),
    REFERRER_KEY("referrer"),
    NUX_HAS_FINISHED_FIRST_RUN_KEY("nux_has_finished_first_run"),
    IS_ONBOARDING_FINISHED_KEY("is_onboarding_finished"),
    SHOULD_NOT_USE_KERNEL_CACHE("should_not_use_kernel_cache"),
    KERNEL_REVISION_ID("kernel_revision_id"),
    EXPO_AUTH_SESSION("expo_auth_session"),
    OKHTTP_CACHE_VERSION_KEY("okhttp_cache_version"),
  }
}