import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'constants.dart';

class AppTheme {
  static ThemeData get lightTheme {
    return ThemeData(
      useMaterial3: true,
      colorScheme: ColorScheme.light(
        primary: AppColors.primary,
        secondary: AppColors.secondary,
        surface: AppColors.surface,
        error: AppColors.critical,
      ),
      scaffoldBackgroundColor: AppColors.background,

      appBarTheme: const AppBarTheme(
        elevation: 0,
        centerTitle: true,
        backgroundColor: AppColors.primary,
        foregroundColor: Colors.white,
        systemOverlayStyle: SystemUiOverlayStyle.light,
        titleTextStyle: TextStyle(
          fontSize: 20,
          fontWeight: FontWeight.w600,
          color: Colors.white,
        ),
      ),

      cardTheme: CardThemeData(
        elevation: 2,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(AppSizes.radiusM),
        ),
        color: AppColors.surface,
      ),

      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          backgroundColor: AppColors.primary,
          foregroundColor: Colors.white,
          elevation: 2,
          padding: const EdgeInsets.symmetric(
            horizontal: AppSizes.paddingL,
            vertical: AppSizes.paddingM,
          ),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(AppSizes.radiusM),
          ),
          textStyle: AppTextStyles.button,
        ),
      ),

      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: AppColors.surface,
        contentPadding: const EdgeInsets.symmetric(
          horizontal: AppSizes.paddingM,
          vertical: AppSizes.paddingM,
        ),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSizes.radiusM),
          borderSide: const BorderSide(color: AppColors.textLight),
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSizes.radiusM),
          borderSide: const BorderSide(color: AppColors.textLight),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(AppSizes.radiusM),
          borderSide: const BorderSide(color: AppColors.primary, width: 2),
        ),
      ),

      textTheme: const TextTheme(
        displayLarge: AppTextStyles.h1,
        displayMedium: AppTextStyles.h2,
        displaySmall: AppTextStyles.h3,
        bodyLarge: AppTextStyles.bodyLarge,
        bodyMedium: AppTextStyles.bodyMedium,
        bodySmall: AppTextStyles.bodySmall,
      ),
    );
  }

  static ThemeData get darkTheme {
    return ThemeData(
      useMaterial3: true,
      brightness: Brightness.dark,
      colorScheme: ColorScheme.dark(
        primary: AppColors.primaryLight,
        secondary: AppColors.secondaryLight,
        surface: AppColors.surfaceDark,
        error: AppColors.critical,
      ),
    );
  }
}