import 'package:flutter/material.dart';
import '../models/pokemon.dart';
import '../components/pokemon_type.dart';

class PokemonDetailPage extends StatefulWidget {
  const PokemonDetailPage({Key? key}) : super(key: key);

  @override
  State<PokemonDetailPage> createState() => _PokemonDetailPageState();
}

class _PokemonDetailPageState extends State<PokemonDetailPage> {
  bool _isShiny = false;

  Widget _buildStatBar(String label, int value, Color color) {
    // Let's assume max base stat is 255
    double ratio = (value / 255).clamp(0.0, 1.0);
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: Row(
        children: [
          SizedBox(
            width: 50,
            child: Text(
              label,
              style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
            ),
          ),
          Expanded(
            child: Container(
              height: 14,
              decoration: BoxDecoration(
                color: Colors.grey[400],
              ),
              child: Row(
                children: [
                  Expanded(
                    flex: (ratio * 100).toInt(),
                    child: Container(color: color),
                  ),
                  Expanded(
                    flex: 100 - (ratio * 100).toInt(),
                    child: Container(),
                  ),
                ],
              ),
            ),
          ),
          const SizedBox(width: 16),
          SizedBox(
            width: 40,
            child: Text(
              value.toString(),
              style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
              textAlign: TextAlign.right,
            ),
          )
        ],
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final Pokemon pokemon = ModalRoute.of(context)!.settings.arguments as Pokemon;

    return Scaffold(
      backgroundColor: const Color(0xFF1B2333),
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 20.0),
          child: Container(
            decoration: BoxDecoration(
              color: const Color(0xFFD32F2F),
              borderRadius: BorderRadius.circular(30),
              border: Border.all(color: const Color(0xFFA12020), width: 4),
            ),
            child: SingleChildScrollView(
              child: Column(
                children: [
                  // App Bar / Top Red Padding
                  Container(
                    height: 50,
                    padding: const EdgeInsets.symmetric(horizontal: 16),
                    alignment: Alignment.centerLeft,
                    child: GestureDetector(
                      onTap: () => Navigator.pop(context),
                      child: Container(
                        padding: const EdgeInsets.all(4),
                        decoration: const BoxDecoration(
                            color: Color(0xFFA12020),
                            shape: BoxShape.circle),
                        child: const Icon(Icons.arrow_back, color: Colors.white),
                      ),
                    ),
                  ),

                  // TOP SCREEN
                  Container(
                    margin: const EdgeInsets.symmetric(horizontal: 16),
                    decoration: BoxDecoration(
                      color: const Color(0xFF1B2333),
                      borderRadius: BorderRadius.circular(8),
                      border: Border.all(color: const Color(0xFF1B2333), width: 8),
                    ),
                    child: Container(
                      color: const Color(0xFF90A4AE),
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Container(
                            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                            color: const Color(0xFF1B2333),
                            child: Text(
                              "NO. ${pokemon.id.toString().padLeft(3, '0')}",
                              style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
                            ),
                          ),
                          GestureDetector(
                            onTap: () {
                              setState(() {
                                _isShiny = !_isShiny;
                              });
                            },
                            child: Container(
                              height: 180,
                              alignment: Alignment.center,
                              color: const Color(0xFF81CCA5).withAlpha(153), // subtle green background behind sprite
                              child: Image.network(_isShiny ? pokemon.shinyImageUrl : pokemon.imageUrl, fit: BoxFit.contain),
                            ),
                          ),
                          Container(
                            color: const Color(0xFF37474F),
                            padding: const EdgeInsets.all(12),
                            child: Row(
                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                              children: [
                                Expanded(
                                  child: Text(
                                    pokemon.formatedName.toUpperCase(),
                                    style: const TextStyle(color: Colors.white, fontSize: 22, fontWeight: FontWeight.bold, letterSpacing: 2),
                                    overflow: TextOverflow.ellipsis,
                                  ),
                                ),
                                const SizedBox(width: 8),
                                Row(
                                  children: [
                                    PokemonTypeWidget(pokemon.type1),
                                    if (pokemon.type2 != null) const SizedBox(width: 4),
                                    if (pokemon.type2 != null) PokemonTypeWidget(pokemon.type2!),
                                  ],
                                )
                              ],
                            ),
                          )
                        ],
                      ),
                    ),
                  ),

                  // HINGE DETAILS
                  const SizedBox(height: 20),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                    children: [
                      Container(height: 6, width: 40, color: const Color(0xFFA12020)),
                      Container(height: 6, width: 40, color: const Color(0xFFA12020)),
                    ],
                  ),
                  const SizedBox(height: 20),

                  // BOTTOM SCREEN
                  Container(
                    margin: const EdgeInsets.symmetric(horizontal: 16),
                    padding: const EdgeInsets.all(8),
                    decoration: BoxDecoration(
                      color: const Color(0xFF1B2333),
                      borderRadius: BorderRadius.circular(8),
                    ),
                    child: Container(
                      color: const Color(0xFFC8D1D8),
                      padding: const EdgeInsets.all(16),
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Row(
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: [
                              const Text(
                                "BASE STATS",
                                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold, letterSpacing: 2),
                              ),
                              Text(
                                "MODEL: DS-01",
                                style: TextStyle(fontSize: 12, color: Colors.grey[700], fontWeight: FontWeight.bold),
                              )
                            ],
                          ),
                          const Divider(color: Colors.black38, thickness: 2, height: 20),
                          
                          _buildStatBar("HP", pokemon.hp, const Color(0xFFE53935)),
                          _buildStatBar("ATK", pokemon.atk, const Color(0xFFFB8C00)),
                          _buildStatBar("DEF", pokemon.def, const Color(0xFFFDD835)),
                          _buildStatBar("SPD", pokemon.spd, const Color(0xFF1E88E5)),
                          
                          const SizedBox(height: 24),
                          
                          // DESCRIPTION BOX
                          Container(
                            width: double.infinity,
                            padding: const EdgeInsets.all(12),
                            decoration: BoxDecoration(
                              color: const Color(0xFFE2EBF0),
                              border: Border.all(color: Colors.grey[400]!),
                            ),
                            child: Text(
                              pokemon.description != null && pokemon.description!.isNotEmpty 
                                  ? '"${pokemon.description!}"'
                                  : '"No description available for this Pokémon."',
                              style: const TextStyle(fontSize: 16, height: 1.5),
                            ),
                          ),
                          
                          const SizedBox(height: 16),
                          
                          // DECORATIVE LIGHTS
                          Row(
                            children: [
                              Container(
                                width: 24, height: 24,
                                decoration: BoxDecoration(
                                  color: const Color(0xFF1E88E5), shape: BoxShape.circle,
                                  border: Border.all(color: const Color(0xFF1565C0), width: 2),
                                ),
                              ),
                              const SizedBox(width: 8),
                              Container(
                                width: 24, height: 24,
                                decoration: BoxDecoration(
                                  color: const Color(0xFFFFB300), shape: BoxShape.circle,
                                  border: Border.all(color: const Color(0xFFF57C00), width: 2),
                                ),
                              ),
                              const Spacer(),
                              Row(
                                children: [
                                  Container(height: 6, width: 30, decoration: BoxDecoration(color: Colors.grey[500], borderRadius: BorderRadius.circular(3))),
                                  const SizedBox(width: 4),
                                  Container(height: 6, width: 30, decoration: BoxDecoration(color: Colors.grey[500], borderRadius: BorderRadius.circular(3))),
                                ],
                              )
                            ],
                          )
                        ],
                      ),
                    ),
                  ),
                  const SizedBox(height: 30),
                  
                  // BOTTOM DOTS
                  Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      Container(width: 6, height: 6, decoration: const BoxDecoration(color: Color(0xFFA12020), shape: BoxShape.circle)),
                      const SizedBox(width: 4),
                      Container(width: 6, height: 6, decoration: const BoxDecoration(color: Color(0xFFA12020), shape: BoxShape.circle)),
                      const SizedBox(width: 4),
                      Container(width: 6, height: 6, decoration: const BoxDecoration(color: Color(0xFFA12020), shape: BoxShape.circle)),
                      const SizedBox(width: 4),
                      Container(width: 6, height: 6, decoration: const BoxDecoration(color: Color(0xFFA12020), shape: BoxShape.circle)),
                    ],
                  ),
                  const SizedBox(height: 20),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}