import { MD3DarkTheme, MD3LightTheme, type MD3Theme } from 'react-native-paper';
import { borderRadius } from './tokens';
import type { AppColors } from './palettes';

export function buildPaperTheme(colors: AppColors, isDark: boolean): MD3Theme {
  const base = isDark ? MD3DarkTheme : MD3LightTheme;
  return {
    ...base,
    colors: {
      ...base.colors,
      primary: colors.primary.main,
      primaryContainer: colors.primary.light,
      secondary: colors.secondary.main,
      secondaryContainer: colors.secondary.light,
      tertiary: colors.info.main,
      tertiaryContainer: colors.info.light,
      surface: colors.background.paper,
      surfaceVariant: colors.background.default,
      surfaceDisabled: colors.background.disabled,
      background: colors.background.default,
      error: colors.error.main,
      errorContainer: colors.error.light,
      onPrimary: colors.primary.contrast,
      onPrimaryContainer: colors.primary.dark,
      onSecondary: colors.text.inverse,
      onSecondaryContainer: colors.secondary.dark,
      onTertiary: colors.text.inverse,
      onTertiaryContainer: colors.info.dark,
      onSurface: colors.text.primary,
      onSurfaceVariant: colors.text.secondary,
      onSurfaceDisabled: colors.text.disabled,
      onError: colors.text.inverse,
      onErrorContainer: colors.error.dark,
      onBackground: colors.text.primary,
      outline: colors.divider,
      outlineVariant: colors.divider,
      inverseSurface: colors.text.primary,
      inverseOnSurface: colors.text.inverse,
      inversePrimary: colors.primary.light,
      shadow: '#000000',
      scrim: '#000000',
      backdrop: 'rgba(0, 0, 0, 0.5)',
      elevation: {
        level0: 'transparent',
        level1: colors.background.paper,
        level2: colors.background.paper,
        level3: colors.background.paper,
        level4: colors.background.paper,
        level5: colors.background.paper,
      },
    },
    roundness: borderRadius.md,
  };
}