import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

class SColors {
  // Backgrounds
  static const bgPage = Color(0xFFFAFAFE);
  static const bgSurface = Color(0xFFFFFFFF);

  // Primary (Indigo)
  static const primary = Color(0xFF5B4FCF);
  static const primaryDark = Color(0xFF3D32A8);   // button bottom border
  static const primaryLight = Color(0xFFEAE7FB);  // selected card tint
  static const primaryBorder = Color(0xFF5B4FCF); // selected card border

  // Text
  static const textHead = Color(0xFF1C1A2E);
  static const textBody = Color(0xFF4B4B6B);
  static const textSub = Color(0xFF9898AA);
  static const textDisabled = Color(0xFFC4C4D4);

  // Borders
  static const borderLight = Color(0xFFE8E6F0);
  static const borderMedium = Color(0xFFD0CDEA);

  // Accent
  static const accent = Color(0xFFFF7EB3);
  static const accentLight = Color(0xFFFFF0F6);

  // States
  static const success = Color(0xFF4CAF50);
  static const error = Color(0xFFFF4B4B);
}

TextStyle _nunito(double size, FontWeight weight, Color color, {double? height, double? letterSpacing}) {
  return GoogleFonts.nunito(
    fontSize: size,
    fontWeight: weight,
    color: color,
    height: height,
    letterSpacing: letterSpacing,
  );
}

class SText {
  static TextStyle headline1(Color c) => _nunito(36, FontWeight.w900, c, height: 1.15);
  static TextStyle headline2(Color c) => _nunito(26, FontWeight.w800, c, height: 1.2);
  static TextStyle title(Color c) => _nunito(22, FontWeight.w800, c, height: 1.25);
  static TextStyle subtitle(Color c) => _nunito(15, FontWeight.w600, c, height: 1.5);
  static TextStyle body(Color c) => _nunito(15, FontWeight.w600, c, height: 1.5);
  static TextStyle caption(Color c) => _nunito(12, FontWeight.w500, c, height: 1.4);
  static TextStyle button(Color c) => _nunito(15, FontWeight.w800, c, letterSpacing: 0.3);
  static TextStyle cardLabel(Color c) => _nunito(16, FontWeight.w700, c);
  static TextStyle cardSub(Color c) => _nunito(13, FontWeight.w500, c);
}

ThemeData buildTheme() {
  return ThemeData(
    colorScheme: const ColorScheme.light(
      primary: SColors.primary,
      surface: SColors.bgSurface,
    ),
    scaffoldBackgroundColor: SColors.bgPage,
    textTheme: GoogleFonts.nunitoTextTheme(),
    useMaterial3: true,
  );
}