import 'package:flutter/material.dart';
import 'spacing_system.dart';
import 'border_system.dart';
import 'shadow_system.dart';
import 'size_system.dart';

/// Component Theme Data Builders
/// Centralized component theme definitions for consistent styling
class ComponentThemes {
  static CardThemeData cardTheme(ColorScheme colorScheme) {
    return CardThemeData(
      elevation: AppShadow.cardElevation,
      shadowColor: AppShadow.getShadowColor(colorScheme.brightness),
      shape: RoundedRectangleBorder(
        borderRadius: AppBorders.circularMd,
      ),
      clipBehavior: Clip.antiAlias,
      color: colorScheme.surface,
    );
  }

  static AppBarTheme appBarTheme(ColorScheme colorScheme) {
    return AppBarTheme(
      backgroundColor: colorScheme.surface,
      foregroundColor: colorScheme.onSurface,
      elevation: AppShadow.appBarElevation,
      centerTitle: false,
      iconTheme: IconThemeData(
        color: colorScheme.onSurface,
        size: AppSizes.iconMd,
      ),
      titleTextStyle: TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w600,
        fontSize: 20,
        color: colorScheme.onSurface,
      ),
    );
  }

  static FilledButtonThemeData filledButtonTheme(ColorScheme colorScheme) {
    return FilledButtonThemeData(
      style: FilledButton.styleFrom(
        backgroundColor: colorScheme.primary,
        foregroundColor: colorScheme.onPrimary,
        elevation: AppShadow.elevationSm,
        padding: AppSpacing.paddingButton,
        shape: RoundedRectangleBorder(
          borderRadius: AppBorders.circularSm,
        ),
        textStyle: const TextStyle(
          fontFamily: 'Montserrat',
          fontWeight: FontWeight.w500,
          fontSize: 14,
        ),
      ),
    );
  }

  static ElevatedButtonThemeData elevatedButtonTheme(ColorScheme colorScheme) {
    return ElevatedButtonThemeData(
      style: ElevatedButton.styleFrom(
        backgroundColor: colorScheme.primary,
        foregroundColor: colorScheme.onPrimary,
        elevation: AppShadow.elevationSm,
        padding: AppSpacing.paddingButton,
        shape: RoundedRectangleBorder(
          borderRadius: AppBorders.circularSm,
        ),
        textStyle: const TextStyle(
          fontFamily: 'Montserrat',
          fontWeight: FontWeight.w500,
          fontSize: 14,
        ),
      ),
    );
  }

  static OutlinedButtonThemeData outlinedButtonTheme(ColorScheme colorScheme) {
    return OutlinedButtonThemeData(
      style: OutlinedButton.styleFrom(
        foregroundColor: colorScheme.primary,
        side: BorderSide(color: colorScheme.outline),
        padding: AppSpacing.paddingButton,
        shape: RoundedRectangleBorder(
          borderRadius: AppBorders.circularSm,
        ),
        textStyle: const TextStyle(
          fontFamily: 'Montserrat',
          fontWeight: FontWeight.w500,
          fontSize: 14,
        ),
      ),
    );
  }

  static InputDecorationTheme inputDecorationTheme(ColorScheme colorScheme) {
    return InputDecorationTheme(
      filled: true,
      fillColor: colorScheme.surfaceContainerHighest.withValues(alpha: 0.5),
      contentPadding: EdgeInsets.symmetric(
        horizontal: AppSpacing.inputPadding,
        vertical: AppSpacing.md,
      ),
      border: OutlineInputBorder(
        borderRadius: AppBorders.circularSm,
        borderSide: BorderSide(
          color: colorScheme.outline.withValues(alpha: 0.3),
        ),
      ),
      enabledBorder: OutlineInputBorder(
        borderRadius: AppBorders.circularSm,
        borderSide: BorderSide(
          color: colorScheme.outline.withValues(alpha: 0.3),
          width: 1,
        ),
      ),
      focusedBorder: OutlineInputBorder(
        borderRadius: AppBorders.circularSm,
        borderSide: BorderSide(
          color: colorScheme.primary,
          width: 2,
        ),
      ),
      errorBorder: OutlineInputBorder(
        borderRadius: AppBorders.circularSm,
        borderSide: BorderSide(
          color: colorScheme.error,
          width: 1,
        ),
      ),
      focusedErrorBorder: OutlineInputBorder(
        borderRadius: AppBorders.circularSm,
        borderSide: BorderSide(
          color: colorScheme.error,
          width: 2,
        ),
      ),
      labelStyle: TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w500,
        color: colorScheme.onSurfaceVariant,
      ),
      hintStyle: TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w400,
        color: colorScheme.onSurfaceVariant.withValues(alpha: 0.6),
      ),
    );
  }

  static SnackBarThemeData snackBarTheme(ColorScheme colorScheme) {
    return SnackBarThemeData(
      backgroundColor: colorScheme.inverseSurface,
      contentTextStyle: TextStyle(
        fontFamily: 'Montserrat',
        color: colorScheme.onInverseSurface,
      ),
      behavior: SnackBarBehavior.floating,
      shape: RoundedRectangleBorder(
        borderRadius: AppBorders.circularSm,
      ),
    );
  }

  static DialogThemeData dialogTheme(ColorScheme colorScheme) {
    return DialogThemeData(
      backgroundColor: colorScheme.surface,
      elevation: AppShadow.dialogElevation,
      shape: RoundedRectangleBorder(
        borderRadius: AppBorders.circularLg,
      ),
      contentTextStyle: TextStyle(
        fontFamily: 'Montserrat',
        color: colorScheme.onSurface,
      ),
    );
  }

  static BottomNavigationBarThemeData bottomNavigationBarTheme(
    ColorScheme colorScheme,
  ) {
    return BottomNavigationBarThemeData(
      backgroundColor: colorScheme.surface,
      selectedItemColor: colorScheme.primary,
      unselectedItemColor: colorScheme.onSurfaceVariant,
      showSelectedLabels: true,
      showUnselectedLabels: true,
      type: BottomNavigationBarType.fixed,
      selectedLabelStyle: const TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w500,
        fontSize: 12,
      ),
      unselectedLabelStyle: const TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w400,
        fontSize: 12,
      ),
    );
  }

  static ChipThemeData chipTheme(ColorScheme colorScheme) {
    return ChipThemeData(
      backgroundColor: colorScheme.surfaceContainerHighest,
      deleteIconColor: colorScheme.onSurfaceVariant,
      disabledColor: colorScheme.surfaceContainerHighest.withValues(alpha: 0.38),
      padding: EdgeInsets.symmetric(
        horizontal: AppSpacing.sm,
        vertical: AppSpacing.xs,
      ),
      shape: RoundedRectangleBorder(
        borderRadius: AppBorders.circularSm,
      ),
      labelStyle: TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w500,
        color: colorScheme.onSurfaceVariant,
      ),
      secondaryLabelStyle: TextStyle(
        fontFamily: 'Montserrat',
        fontWeight: FontWeight.w500,
        color: colorScheme.onSurfaceVariant,
      ),
      brightness: colorScheme.brightness,
    );
  }

  static ProgressIndicatorThemeData progressIndicatorTheme(
    ColorScheme colorScheme,
  ) {
    return ProgressIndicatorThemeData(
      color: colorScheme.primary,
      linearTrackColor: colorScheme.surfaceContainerHighest,
      circularTrackColor: colorScheme.surfaceContainerHighest,
    );
  }

  static FloatingActionButtonThemeData floatingActionButtonTheme(
    ColorScheme colorScheme,
  ) {
    return FloatingActionButtonThemeData(
      backgroundColor: colorScheme.primary,
      foregroundColor: colorScheme.onPrimary,
      elevation: AppShadow.fabElevation,
      shape: RoundedRectangleBorder(
        borderRadius: AppBorders.circularMd,
      ),
    );
  }

  static SliderThemeData sliderTheme(ColorScheme colorScheme) {
    return SliderThemeData(
      trackHeight: 4.0,
      activeTrackColor: colorScheme.primary,
      inactiveTrackColor: colorScheme.surfaceContainerHighest,
      thumbColor: colorScheme.primary,
      overlayColor: colorScheme.primary.withValues(alpha: 0.12),
      valueIndicatorColor: colorScheme.primary,
    );
  }
}