package com.lofiradio.ui

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import com.lofiradio.R
import com.lofiradio.databinding.FragmentSettingsBinding
import com.lofiradio.util.Preferences

class SettingsFragment : Fragment() {
    private var _binding: FragmentSettingsBinding? = null
    private val binding get() = _binding!!

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = FragmentSettingsBinding.inflate(inflater, container, false)
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        loadSettings()
        setupStreamingMode()
        setupServerUrl()
        setupYouTubeApiKey()
        setupAutoAdvance()
    }

    private fun loadSettings() {
        val mode = Preferences.getStreamingMode(requireContext())
        if (mode == Preferences.StreamingMode.DIRECT) {
            binding.radioDirect.isChecked = true
        } else {
            binding.radioServer.isChecked = true
        }

        binding.etServerUrl.setText(Preferences.getServerUrl(requireContext()))
        binding.etYouTubeApiKey.setText(Preferences.getYouTubeApiKey(requireContext()) ?: "")
        binding.switchAutoAdvance.isChecked = Preferences.isAutoAdvance(requireContext())

        updateCardVisibility()
    }

    private fun setupStreamingMode() {
        binding.radioServer.setOnCheckedChangeListener { _, isChecked ->
            if (isChecked) {
                Preferences.setStreamingMode(requireContext(), Preferences.StreamingMode.SERVER)
                Toast.makeText(requireContext(), "Switched to Server Proxy mode", Toast.LENGTH_SHORT).show()
                updateCardVisibility()
            }
        }

        binding.radioDirect.setOnCheckedChangeListener { _, isChecked ->
            if (isChecked) {
                Preferences.setStreamingMode(requireContext(), Preferences.StreamingMode.DIRECT)
                Toast.makeText(requireContext(), "Switched to Direct mode", Toast.LENGTH_SHORT).show()
                updateCardVisibility()
            }
        }
    }

    private fun setupServerUrl() {
        binding.etServerUrl.setOnFocusChangeListener { _, hasFocus ->
            if (!hasFocus) {
                val url = binding.etServerUrl.text.toString().trim()
                if (url.isNotEmpty()) {
                    Preferences.setServerUrl(requireContext(), url)
                }
            }
        }
    }

    private fun setupYouTubeApiKey() {
        binding.etYouTubeApiKey.setOnFocusChangeListener { _, hasFocus ->
            if (!hasFocus) {
                val key = binding.etYouTubeApiKey.text.toString().trim()
                Preferences.setYouTubeApiKey(requireContext(), key.ifBlank { null })
                if (key.isNotEmpty()) {
                    Toast.makeText(requireContext(), "YouTube API Key saved", Toast.LENGTH_SHORT).show()
                }
            }
        }
    }

    private fun setupAutoAdvance() {
        binding.switchAutoAdvance.setOnCheckedChangeListener { _, isChecked ->
            Preferences.setAutoAdvance(requireContext(), isChecked)
        }
    }

    private fun updateCardVisibility() {
        val isServerMode = binding.radioServer.isChecked
        binding.serverSettingsCard.visibility = if (isServerMode) View.VISIBLE else View.GONE
        binding.youtubeApiCard.visibility = if (!isServerMode) View.VISIBLE else View.GONE
    }

    override fun onDestroyView() {
        super.onDestroyView()
        _binding = null
    }
}