import { IconCheck, IconX } from '@tabler/icons-react'

/**
 * ProgressBar - компонент прогресс бара с estimated time
 * @param {number} progress - прогресс от 0 до 100
 * @param {string} status - статус операции
 * @param {number} estimatedTime - оставшееся время в секундах
 * @param {string} variant - цвет: 'primary', 'success', 'danger', 'warning'
 */
function ProgressBar({ 
  progress = 0, 
  status = '', 
  estimatedTime = null,
  variant = 'primary',
  showPercentage = true,
  striped = false,
  animated = false,
  size = 'default' // 'sm', 'default', 'lg'
}) {
  const sizeClass = size === 'sm' ? 'progress-sm' : size === 'lg' ? 'progress-lg' : ''
  const stripedClass = striped ? 'progress-bar-striped' : ''
  const animatedClass = animated ? 'progress-bar-animated' : ''
  
  const formatTime = (seconds) => {
    if (seconds < 60) {
      return `${Math.round(seconds)} сек`
    } else if (seconds < 3600) {
      const minutes = Math.floor(seconds / 60)
      const secs = Math.round(seconds % 60)
      return `${minutes} мин ${secs} сек`
    } else {
      const hours = Math.floor(seconds / 3600)
      const minutes = Math.floor((seconds % 3600) / 60)
      return `${hours} ч ${minutes} мин`
    }
  }

  return (
    <div className="progress-container">
      <div className="d-flex justify-content-between align-items-center mb-2">
        {status && (
          <div className="text-muted small">{status}</div>
        )}
        <div className="d-flex align-items-center gap-2">
          {estimatedTime !== null && estimatedTime > 0 && (
            <span className="text-muted small">
              Осталось ~{formatTime(estimatedTime)}
            </span>
          )}
          {showPercentage && (
            <span className="text-muted small fw-bold">
              {Math.round(progress)}%
            </span>
          )}
        </div>
      </div>
      
      <div className={`progress ${sizeClass}`}>
        <div 
          className={`progress-bar bg-${variant} ${stripedClass} ${animatedClass}`}
          role="progressbar"
          style={{ width: `${progress}%` }}
          aria-valuenow={progress}
          aria-valuemin="0"
          aria-valuemax="100"
        >
          {size === 'lg' && showPercentage && (
            <span className="progress-bar-label">{Math.round(progress)}%</span>
          )}
        </div>
      </div>
      
      <style jsx>{`
        .progress-container {
          width: 100%;
        }
        
        .progress-sm {
          height: 0.5rem;
        }
        
        .progress-lg {
          height: 2rem;
          font-size: 1rem;
        }
        
        .progress-bar-label {
          line-height: 2rem;
          color: white;
        }
      `}</style>
    </div>
  )
}

/**
 * MultiStepProgress - компонент для отображения многошагового прогресса
 */
function MultiStepProgress({ steps, currentStep, variant = 'primary' }) {
  const progress = ((currentStep) / steps.length) * 100

  return (
    <div className="multi-step-progress">
      {/* Индикаторы шагов */}
      <div className="steps-indicator mb-3">
        {steps.map((step, index) => {
          const isPast = index < currentStep
          const isCurrent = index === currentStep
          const status = isPast ? 'completed' : isCurrent ? 'current' : 'pending'
          
          return (
            <div key={index} className={`step-item step-${status}`}>
              <div className={`step-circle bg-${isPast ? 'success' : isCurrent ? variant : 'secondary'}`}>
                {isPast ? (
                  <IconCheck size={16} className="text-white" />
                ) : (
                  <span className="text-white">{index + 1}</span>
                )}
              </div>
              <div className="step-label text-muted small mt-1">{step}</div>
              {index < steps.length - 1 && (
                <div className={`step-line ${isPast ? 'completed' : ''}`}></div>
              )}
            </div>
          )
        })}
      </div>
      
      {/* Прогресс бар */}
      <ProgressBar 
        progress={progress} 
        variant={variant}
        showPercentage={false}
        animated
      />
      
      <style jsx>{`
        .steps-indicator {
          display: flex;
          justify-content: space-between;
          align-items: flex-start;
          position: relative;
        }
        
        .step-item {
          display: flex;
          flex-direction: column;
          align-items: center;
          flex: 1;
          position: relative;
        }
        
        .step-circle {
          width: 2rem;
          height: 2rem;
          border-radius: 50%;
          display: flex;
          align-items: center;
          justify-content: center;
          font-weight: 600;
          z-index: 2;
          position: relative;
        }
        
        .step-line {
          position: absolute;
          top: 1rem;
          left: 50%;
          right: -50%;
          height: 2px;
          background: var(--tblr-border-color, #e9ecef);
          z-index: 1;
        }
        
        .step-line.completed {
          background: var(--tblr-success, #2fb344);
        }
        
        .step-label {
          text-align: center;
          max-width: 100px;
        }
        
        .step-current .step-label {
          font-weight: 600;
          color: var(--tblr-body-color) !important;
        }
      `}</style>
    </div>
  )
}

export { ProgressBar, MultiStepProgress }
export default ProgressBar