import 'package:flutter/material.dart';

import 'yanting_text.dart';
import 'yanting_tokens.dart';
import 'wise_tokens.dart';

ThemeData buildAppTheme() {
  final scheme = ColorScheme.fromSeed(
    seedColor: YantingColors.primary,
    primary: YantingColors.primary,
    onPrimary: YantingColors.primaryForeground,
    secondary: YantingColors.secondary,
    onSecondary: YantingColors.secondaryForeground,
    tertiary: YantingColors.link,
    surface: YantingColors.card,
    onSurface: YantingColors.foreground,
    error: YantingColors.destructive,
    outline: YantingColors.border,
  );
  return ThemeData(
    useMaterial3: true,
    colorScheme: scheme,
    fontFamily: YantingText.fontFamily,
    fontFamilyFallback: YantingText.fontFallback,
    scaffoldBackgroundColor: YantingColors.background,
    appBarTheme: const AppBarTheme(
      backgroundColor: YantingColors.background,
      foregroundColor: YantingColors.foreground,
      elevation: 0,
      centerTitle: false,
      titleTextStyle: YantingText.sectionTitle,
    ),
    cardTheme: const CardThemeData(
      color: YantingColors.card,
      elevation: 0,
      margin: EdgeInsets.zero,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.all(Radius.circular(WiseRadius.md)),
        side: BorderSide(color: YantingColors.border),
      ),
    ),
    dividerTheme: const DividerThemeData(
      color: YantingColors.border,
      thickness: 1,
      space: 1,
    ),
    inputDecorationTheme: InputDecorationTheme(
      filled: true,
      fillColor: YantingColors.background,
      hintStyle: YantingText.body.copyWith(
        color: YantingColors.mutedForeground,
      ),
      contentPadding: const EdgeInsets.symmetric(horizontal: 14),
      border: OutlineInputBorder(
        borderRadius: BorderRadius.circular(YantingRadius.md),
        borderSide: const BorderSide(color: YantingColors.input),
      ),
      enabledBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(YantingRadius.md),
        borderSide: const BorderSide(color: YantingColors.input),
      ),
      focusedBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(YantingRadius.md),
        borderSide: const BorderSide(color: YantingColors.foreground),
      ),
    ),
    navigationBarTheme: NavigationBarThemeData(
      backgroundColor: YantingColors.background,
      indicatorColor: Colors.transparent,
      labelTextStyle: WidgetStateProperty.resolveWith(
        (states) => YantingText.meta.copyWith(
          color: states.contains(WidgetState.selected)
              ? YantingColors.foreground
              : YantingColors.mutedForeground,
          fontSize: 11,
          fontWeight: states.contains(WidgetState.selected)
              ? FontWeight.w600
              : FontWeight.w400,
        ),
      ),
      iconTheme: WidgetStateProperty.resolveWith(
        (states) => IconThemeData(
          color: states.contains(WidgetState.selected)
              ? YantingColors.foreground
              : YantingColors.mutedForeground,
        ),
      ),
    ),
    textTheme: const TextTheme(
      headlineSmall: YantingText.appTitle,
      titleLarge: YantingText.sectionTitle,
      titleMedium: YantingText.cardTitle,
      bodyLarge: YantingText.body,
      bodyMedium: YantingText.sub,
      bodySmall: YantingText.meta,
      labelLarge: YantingText.chip,
      labelSmall: YantingText.badge,
    ),
  );
}