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

/// Ground Suite's single visual language: a dark tactical operations deck.
const panelBackground = Color(0xD912141A);
const panelBorder = Color(0x1AFFFFFF);
const textPrimary = Color(0xFFF8FAFC);
const textSecondary = Color(0xFF94A3B8);
const accentOrange = Color(0xFFF97316);
const accentMint = Color(0xFF34D399);
const statusGreen = Color(0xFF10B981);
const statusRed = Color(0xFFEF4444);

const tacticalBlack = Color(0xFF000000);
const tacticalTransparent = Color(0x00000000);

ThemeData groundSuiteDarkTheme() {
  final base = ThemeData.dark(useMaterial3: true);
  final interTextTheme = GoogleFonts.interTextTheme(
    base.textTheme,
  ).apply(bodyColor: textPrimary, displayColor: textPrimary);

  return base.copyWith(
    scaffoldBackgroundColor: tacticalBlack,
    cardColor: panelBackground,
    colorScheme: const ColorScheme.dark(
      primary: accentMint,
      onPrimary: tacticalBlack,
      secondary: accentOrange,
      onSecondary: tacticalBlack,
      surface: panelBackground,
      onSurface: textPrimary,
      error: statusRed,
      onError: textPrimary,
      outline: panelBorder,
    ),
    textTheme: interTextTheme.copyWith(
      displayLarge: interTextTheme.displayLarge?.copyWith(color: textPrimary),
      displayMedium: interTextTheme.displayMedium?.copyWith(color: textPrimary),
      headlineLarge: interTextTheme.headlineLarge?.copyWith(color: textPrimary),
      headlineMedium: interTextTheme.headlineMedium?.copyWith(
        color: textPrimary,
      ),
      headlineSmall: interTextTheme.headlineSmall?.copyWith(color: textPrimary),
      titleLarge: interTextTheme.titleLarge?.copyWith(color: textPrimary),
      titleMedium: interTextTheme.titleMedium?.copyWith(color: textPrimary),
      titleSmall: interTextTheme.titleSmall?.copyWith(color: textPrimary),
      bodyLarge: interTextTheme.bodyLarge?.copyWith(color: textPrimary),
      bodyMedium: interTextTheme.bodyMedium?.copyWith(color: textPrimary),
      bodySmall: interTextTheme.bodySmall?.copyWith(color: textSecondary),
      labelLarge: interTextTheme.labelLarge?.copyWith(color: textPrimary),
      labelMedium: interTextTheme.labelMedium?.copyWith(color: textSecondary),
      labelSmall: interTextTheme.labelSmall?.copyWith(color: textSecondary),
    ),
    cardTheme: const CardThemeData(color: panelBackground, elevation: 0),
    dividerTheme: const DividerThemeData(color: panelBorder),
    progressIndicatorTheme: ProgressIndicatorThemeData(
      color: accentMint,
      linearTrackColor: textSecondary.withValues(alpha: .2),
    ),
    chipTheme: ChipThemeData(
      backgroundColor: tacticalTransparent,
      selectedColor: accentMint.withValues(alpha: .1),
      side: const BorderSide(color: panelBorder),
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
      labelStyle: GoogleFonts.inter(color: textSecondary),
      secondaryLabelStyle: GoogleFonts.inter(color: textPrimary),
    ),
  );
}