/**
 * Theme customization constants and types.
 *
 * Lives in `lib/` (not `context/`) so it can be imported alongside the
 * provider without breaking React Fast Refresh boundaries.
 */

export const THEME_PRESETS = [
  {
    value: 'default',
    name: 'Default',
    swatches: ['oklch(0.13 0 0)', 'oklch(0.95 0 0)'],
  },
  {
    value: 'underground',
    name: 'Underground',
    swatches: ['oklch(0.5315 0.0694 156.19)', 'oklch(0.5748 0.0862 336.52)'],
  },
  {
    value: 'rose-garden',
    name: 'Rose Garden',
    swatches: ['oklch(0.5827 0.2418 12.23)', 'oklch(0.8131 0.1129 5.67)'],
  },
  {
    value: 'lake-view',
    name: 'Lake View',
    swatches: ['oklch(0.765 0.177 163.22)', 'oklch(0.551 0.0899 200.52)'],
  },
  {
    value: 'sunset-glow',
    name: 'Sunset Glow',
    swatches: ['oklch(0.5591 0.1882 25.33)', 'oklch(0.7938 0.1248 42.42)'],
  },
  {
    value: 'forest-whisper',
    name: 'Forest Whisper',
    swatches: ['oklch(0.5276 0.1072 182.22)', 'oklch(0.5236 0.0505 250.18)'],
  },
  {
    value: 'ocean-breeze',
    name: 'Ocean Breeze',
    swatches: ['oklch(0.5461 0.2152 262.88)', 'oklch(0.5854 0.2041 277.12)'],
  },
  {
    value: 'lavender-dream',
    name: 'Lavender Dream',
    swatches: ['oklch(0.5709 0.1808 306.89)', 'oklch(0.811 0.0589 201.14)'],
  },
] as const

export type ThemePreset = (typeof THEME_PRESETS)[number]['value']
export type ThemeRadius = 'default' | 'none' | 'sm' | 'md' | 'lg' | 'xl'
export type ThemeScale = 'default' | 'sm' | 'lg'
export type ContentLayout = 'full' | 'centered'

export type ThemeCustomization = {
  preset: ThemePreset
  radius: ThemeRadius
  scale: ThemeScale
  contentLayout: ContentLayout
}

export const DEFAULT_THEME_CUSTOMIZATION: ThemeCustomization = {
  preset: 'default',
  radius: 'default',
  scale: 'default',
  contentLayout: 'full',
}

export const THEME_PRESET_VALUES = new Set(
  THEME_PRESETS.map((p) => p.value)
) as ReadonlySet<ThemePreset>

export const THEME_RADIUS_VALUES: ReadonlySet<ThemeRadius> = new Set([
  'default',
  'none',
  'sm',
  'md',
  'lg',
  'xl',
])

export const THEME_SCALE_VALUES: ReadonlySet<ThemeScale> = new Set([
  'default',
  'sm',
  'lg',
])

export const CONTENT_LAYOUT_VALUES: ReadonlySet<ContentLayout> = new Set([
  'full',
  'centered',
])

export const THEME_COOKIE_KEYS = {
  preset: 'theme_preset',
  radius: 'theme_radius',
  scale: 'theme_scale',
  contentLayout: 'theme_content_layout',
} as const
