import 'package:flutter/material.dart';

import '../tema/pluriwave_tokens.dart';
import '../tema/pluriwave_theme.dart';

enum PluriIconGlyph { home, search, favorites, player, settings }

enum PluriIconVariant { outline, filled, activeGlow }

class PluriIcon extends StatelessWidget {
  const PluriIcon({
    super.key,
    required this.glyph,
    this.variant = PluriIconVariant.outline,
    this.size = 24,
    this.semanticLabel,
  });

  final PluriIconGlyph glyph;
  final PluriIconVariant variant;
  final double size;
  final String? semanticLabel;

  @override
  Widget build(BuildContext context) {
    final tokens = context.pluriTokens;
    final icon = Icon(
      _resolveData(),
      size: size,
      color: _resolveColor(context, tokens),
    );
    final child = variant == PluriIconVariant.activeGlow
        ? Container(
            width: size + 12,
            height: size + 12,
            decoration: BoxDecoration(
              shape: BoxShape.circle,
              boxShadow: [
                BoxShadow(
                  color: tokens.glowColor,
                  blurRadius: 14,
                  spreadRadius: 1,
                ),
              ],
            ),
            alignment: Alignment.center,
            child: icon,
          )
        : icon;

    return Semantics(
      label: semanticLabel ?? _fallbackLabel(glyph),
      image: true,
      child: ExcludeSemantics(child: child),
    );
  }

  Color _resolveColor(BuildContext context, PluriWaveTokens tokens) {
    if (variant == PluriIconVariant.activeGlow) return tokens.electricMagenta;
    if (variant == PluriIconVariant.filled) return Theme.of(context).colorScheme.onSurface;
    return Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.78);
  }

  IconData _resolveData() {
    return switch ((glyph, variant)) {
      (PluriIconGlyph.home, PluriIconVariant.outline) => Icons.home_outlined,
      (PluriIconGlyph.home, _) => Icons.home_rounded,
      (PluriIconGlyph.search, PluriIconVariant.outline) => Icons.search_outlined,
      (PluriIconGlyph.search, _) => Icons.search_rounded,
      (PluriIconGlyph.favorites, PluriIconVariant.outline) => Icons.favorite_border_rounded,
      (PluriIconGlyph.favorites, _) => Icons.favorite_rounded,
      (PluriIconGlyph.player, PluriIconVariant.outline) => Icons.play_circle_outline_rounded,
      (PluriIconGlyph.player, _) => Icons.play_circle_rounded,
      (PluriIconGlyph.settings, PluriIconVariant.outline) => Icons.settings_outlined,
      (PluriIconGlyph.settings, _) => Icons.settings_rounded,
    };
  }

  String _fallbackLabel(PluriIconGlyph glyph) {
    return switch (glyph) {
      PluriIconGlyph.home => 'Inicio',
      PluriIconGlyph.search => 'Buscar',
      PluriIconGlyph.favorites => 'Favoritos',
      PluriIconGlyph.player => 'Reproductor',
      PluriIconGlyph.settings => 'Ajustes',
    };
  }
}