Radio/app/src/main/java/com/michatec/radio/helpers/AppThemeHelper.kt

package com.michatec.radio.helpers

import android.content.Context
import android.util.Log
import androidx.appcompat.app.AppCompatDelegate
import com.michatec.radio.Keys
import com.michatec.radio.R


/*
 * AppThemeHelper object
 */
object AppThemeHelper {

    /* Define log tag */
    private val TAG: String = AppThemeHelper::class.java.simpleName

    /* Sets app theme */
    fun setTheme(nightModeState: String) {
        when (nightModeState) {
            Keys.STATE_THEME_DARK_MODE -> {
                if (AppCompatDelegate.getDefaultNightMode() != AppCompatDelegate.MODE_NIGHT_YES) {
                    // turn on dark mode
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)
                    Log.i(TAG, "Dark Mode activated.")
                }
            }
            Keys.STATE_THEME_LIGHT_MODE -> {
                if (AppCompatDelegate.getDefaultNightMode() != AppCompatDelegate.MODE_NIGHT_NO) {
                    // turn on light mode
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)
                    Log.i(TAG, "Theme: Light Mode activated.")
                }
            }
            Keys.STATE_THEME_FOLLOW_SYSTEM -> {
                if (AppCompatDelegate.getDefaultNightMode() != AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM) {
                    // turn on mode "follow system"
                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
                    Log.i(TAG, "Theme: Follow System Mode activated.")
                }
            }
            else -> {
                // turn on mode "follow system"
                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
                Log.i(TAG, "Theme: Follow System Mode activated.")
            }
        }
    }


    /* Returns a readable String for currently selected App Theme */
    fun getCurrentTheme(context: Context): String {
        return when (PreferencesHelper.loadThemeSelection()) {
            Keys.STATE_THEME_LIGHT_MODE -> context.getString(R.string.pref_theme_selection_mode_light)
            Keys.STATE_THEME_DARK_MODE -> context.getString(R.string.pref_theme_selection_mode_dark)
            else -> context.getString(R.string.pref_theme_selection_mode_device_default)
        }
    }
}