nupst/ts/colors.ts

/**
 * Color theme and styling utilities for NUPST CLI
 * Uses Deno standard library colors module
 */
import * as colors from '@std/fmt/colors';

/**
 * Color theme for consistent CLI styling
 */
export const theme = {
  // Message types
  error: colors.red,
  warning: colors.yellow,
  success: colors.green,
  info: colors.cyan,
  dim: colors.dim,
  highlight: colors.bold,

  // Status indicators
  statusActive: (text: string) => colors.green(colors.bold(text)),
  statusInactive: (text: string) => colors.red(text),
  statusWarning: (text: string) => colors.yellow(text),
  statusUnknown: (text: string) => colors.dim(text),

  // Battery level colors
  batteryGood: colors.green, // > 60%
  batteryMedium: colors.yellow, // 30-60%
  batteryCritical: colors.red, // < 30%

  // Box borders
  borderSuccess: colors.green,
  borderError: colors.red,
  borderWarning: colors.yellow,
  borderInfo: colors.cyan,
  borderDefault: (text: string) => text, // No color

  // Command/code highlighting
  command: colors.cyan,
  code: colors.dim,
  path: colors.blue,
};

/**
 * Status symbols with colors
 */
export const symbols = {
  success: colors.green('✓'),
  error: colors.red('✗'),
  warning: colors.yellow('⚠'),
  info: colors.cyan('ℹ'),
  running: colors.green('●'),
  stopped: colors.red('○'),
  starting: colors.yellow('◐'),
  unknown: colors.dim('◯'),
};

/**
 * Get color for battery level
 */
export function getBatteryColor(percentage: number): (text: string) => string {
  if (percentage >= 60) return theme.batteryGood;
  if (percentage >= 30) return theme.batteryMedium;
  return theme.batteryCritical;
}

/**
 * Get color for runtime remaining
 */
export function getRuntimeColor(minutes: number): (text: string) => string {
  if (minutes >= 20) return theme.batteryGood;
  if (minutes >= 10) return theme.batteryMedium;
  return theme.batteryCritical;
}

/**
 * Format UPS power status with color
 */
export function formatPowerStatus(status: 'online' | 'onBattery' | 'unknown'): string {
  switch (status) {
    case 'online':
      return theme.success('Online');
    case 'onBattery':
      return theme.warning('On Battery');
    case 'unknown':
    default:
      return theme.dim('Unknown');
  }
}