import 'package:flutter/material.dart';
import 'app_colors.dart';
import 'app_typography.dart';

class AppTheme {
  const AppTheme._();

  static ThemeData get dark {
    final textTheme = AppTypography.darkTextTheme();

    return ThemeData(
      useMaterial3: true,
      brightness: Brightness.dark,
      scaffoldBackgroundColor: AppColors.black,
      colorScheme: const ColorScheme.dark(
        primary: AppColors.neonRed,
        secondary: AppColors.bloodRed,
        surface: AppColors.surface,
        onPrimary: AppColors.white,
        onSecondary: AppColors.white,
        onSurface: AppColors.white,
        error: AppColors.error,
        outline: AppColors.border,
      ),
      textTheme: textTheme,
      
      // App Bar Theme - Centralized & Brutalist
      appBarTheme: AppBarTheme(
        backgroundColor: AppColors.black,
        elevation: 0,
        centerTitle: true,
        iconTheme: const IconThemeData(color: AppColors.white, size: 20),
        titleTextStyle: textTheme.headlineMedium?.copyWith(
          color: AppColors.white,
        ),
      ),

      // Card Theme - Sharp Edges, Subtle Borders
      cardTheme: CardThemeData(
        color: AppColors.surface,
        elevation: 0,
        margin: EdgeInsets.zero,
        shape: const RoundedRectangleBorder(
          borderRadius: BorderRadius.zero,
          side: BorderSide(color: AppColors.border, width: 1),
        ),
      ),

      // Input Decoration - Industrial / Terminal style
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: AppColors.surface,
        contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 18),
        hintStyle: textTheme.bodySmall?.copyWith(color: AppColors.greyDark),
        labelStyle: textTheme.bodyMedium?.copyWith(color: AppColors.grey),
        border: const OutlineInputBorder(
          borderRadius: BorderRadius.zero,
          borderSide: BorderSide(color: AppColors.border),
        ),
        enabledBorder: const OutlineInputBorder(
          borderRadius: BorderRadius.zero,
          borderSide: BorderSide(color: AppColors.border),
        ),
        focusedBorder: const OutlineInputBorder(
          borderRadius: BorderRadius.zero,
          borderSide: BorderSide(color: AppColors.neonRed, width: 1.5),
        ),
        errorBorder: const OutlineInputBorder(
          borderRadius: BorderRadius.zero,
          borderSide: BorderSide(color: AppColors.error),
        ),
      ),

      // Button Themes
      filledButtonTheme: FilledButtonThemeData(
        style: FilledButton.styleFrom(
          backgroundColor: AppColors.neonRed,
          foregroundColor: AppColors.white,
          shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
          textStyle: textTheme.labelLarge,
          padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 24),
        ),
      ),
      
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          foregroundColor: AppColors.white,
          side: const BorderSide(color: AppColors.white, width: 1.5),
          shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
          textStyle: textTheme.labelLarge,
          padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 24),
        ),
      ),

      // Navigation Bar - Custom Riotz Feel
      navigationBarTheme: NavigationBarThemeData(
        backgroundColor: AppColors.black,
        indicatorColor: AppColors.neonRed.withValues(alpha: 0.1),
        labelTextStyle: WidgetStateProperty.resolveWith((states) {
          if (states.contains(WidgetState.selected)) {
            return textTheme.bodySmall?.copyWith(color: AppColors.neonRed, fontWeight: FontWeight.bold);
          }
          return textTheme.bodySmall?.copyWith(color: AppColors.grey);
        }),
        iconTheme: WidgetStateProperty.resolveWith((states) {
          if (states.contains(WidgetState.selected)) {
            return const IconThemeData(color: AppColors.neonRed, size: 24);
          }
          return const IconThemeData(color: AppColors.grey, size: 24);
        }),
      ),

      // Dialog Theme
      dialogTheme: const DialogThemeData(
        backgroundColor: AppColors.surface,
        elevation: 0,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.zero,
          side: BorderSide(color: AppColors.border, width: 1),
        ),
      ),
      
      dividerTheme: const DividerThemeData(
        color: AppColors.border,
        thickness: 1,
        space: 1,
      ),
    );
  }
}