'use client'

/**
 * DevOps Pipeline Sidebar
 *
 * Kompakte Sidebar-Komponente fuer Cross-Navigation zwischen DevOps-Modulen.
 * Zeigt Pipeline-Flow und ermoeglicht schnelle Navigation.
 *
 * Features:
 * - Desktop: Fixierte Sidebar rechts
 * - Mobile: Floating Action Button mit Slide-In Drawer
 * - Live Pipeline-Status Badge
 * - Backlog-Count Badge
 * - Security-Findings-Count Badge
 * - Quick-Action: Pipeline triggern
 *
 * Datenfluss: CI/CD -> Tests -> SBOM -> Security
 */

import Link from 'next/link'
import { useState, useEffect } from 'react'
import type {
  DevOpsToolId,
  DevOpsPipelineSidebarProps,
  DevOpsPipelineSidebarResponsiveProps,
  PipelineLiveStatus,
} from '@/types/infrastructure-modules'
import { DEVOPS_PIPELINE_MODULES } from '@/types/infrastructure-modules'

// =============================================================================
// Icons
// =============================================================================

const ToolIcon = ({ id }: { id: DevOpsToolId }) => {
  switch (id) {
    case 'ci-cd':
      return (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
            d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
        </svg>
      )
    case 'tests':
      return (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
            d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
        </svg>
      )
    case 'sbom':
      return (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
            d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4" />
        </svg>
      )
    case 'security':
      return (
        <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
            d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z" />
        </svg>
      )
    default:
      return null
  }
}

// Server/Pipeline Icon fuer Header
const ServerIcon = () => (
  <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
      d="M5 12h14M5 12a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v4a2 2 0 01-2 2M5 12a2 2 0 00-2 2v4a2 2 0 002 2h14a2 2 0 002-2v-4a2 2 0 00-2-2m-2-4h.01M17 16h.01" />
  </svg>
)

// Play Icon fuer Quick Action
const PlayIcon = () => (
  <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
      d="M14.752 11.168l-3.197-2.132A1 1 0 0010 9.87v4.263a1 1 0 001.555.832l3.197-2.132a1 1 0 000-1.664z" />
    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2}
      d="M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
  </svg>
)

// =============================================================================
// Live Status Hook (optional - fetches status from API)
// =============================================================================

function usePipelineLiveStatus(): PipelineLiveStatus | null {
  const [status, setStatus] = useState<PipelineLiveStatus | null>(null)

  useEffect(() => {
    // Live status fetching not yet implemented
  }, [])

  return status
}

// =============================================================================
// Status Badge Component
// =============================================================================

interface StatusBadgeProps {
  count: number
  type: 'backlog' | 'security' | 'running'
}

function StatusBadge({ count, type }: StatusBadgeProps) {
  if (count === 0) return null

  const colors = {
    backlog: 'bg-amber-500',
    security: 'bg-red-500',
    running: 'bg-green-500 animate-pulse',
  }

  return (
    <span className={`${colors[type]} text-white text-xs font-medium px-1.5 py-0.5 rounded-full min-w-[1.25rem] text-center`}>
      {count}
    </span>
  )
}

// =============================================================================
// Main Sidebar Component
// =============================================================================

export function DevOpsPipelineSidebar({
  currentTool,
  compact = false,
  className = '',
}: DevOpsPipelineSidebarProps) {
  const [isExpanded, setIsExpanded] = useState(!compact)
  const liveStatus = usePipelineLiveStatus()

  return (
    <div className={`bg-white dark:bg-gray-800 rounded-xl shadow-sm border border-slate-200 dark:border-gray-700 overflow-hidden ${className}`}>
      {/* Header */}
      <div
        className="px-4 py-3 bg-gradient-to-r from-orange-50 to-amber-50 dark:from-orange-900/20 dark:to-amber-900/20 border-b border-slate-200 dark:border-gray-700 cursor-pointer"
        onClick={() => setIsExpanded(!isExpanded)}
      >
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-2">
            <span className="text-orange-600 dark:text-orange-400">
              <ServerIcon />
            </span>
            <span className="font-semibold text-slate-700 dark:text-slate-200 text-sm">
              DevOps Pipeline
            </span>
            {/* Live status indicator */}
            {liveStatus?.isRunning && (
              <span className="w-2 h-2 bg-green-500 rounded-full animate-pulse" title="Pipeline laeuft" />
            )}
          </div>
          <svg
            className={`w-4 h-4 text-slate-400 transition-transform ${isExpanded ? 'rotate-180' : ''}`}
            fill="none"
            stroke="currentColor"
            viewBox="0 0 24 24"
          >
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
          </svg>
        </div>
      </div>

      {/* Content */}
      {isExpanded && (
        <div className="p-3 space-y-3">
          {/* Tool Links */}
          <div className="space-y-1">
            {DEVOPS_PIPELINE_MODULES.map((tool) => (
              <Link
                key={tool.id}
                href={tool.href}
                className={`flex items-center gap-3 px-3 py-2 rounded-lg transition-colors ${
                  currentTool === tool.id
                    ? 'bg-orange-100 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300 font-medium'
                    : 'text-slate-600 dark:text-slate-400 hover:bg-slate-100 dark:hover:bg-gray-700'
                }`}
              >
                <ToolIcon id={tool.id} />
                <div className="flex-1 min-w-0">
                  <div className="text-sm font-medium truncate">{tool.name}</div>
                  <div className="text-xs text-slate-500 dark:text-slate-500 truncate">
                    {tool.description}
                  </div>
                </div>
                {/* Status badges */}
                {tool.id === 'tests' && liveStatus && (
                  <StatusBadge count={liveStatus.backlogCount} type="backlog" />
                )}
                {tool.id === 'security' && liveStatus && (
                  <StatusBadge count={liveStatus.securityFindingsCount} type="security" />
                )}
                {currentTool === tool.id && (
                  <span className="flex-shrink-0 w-2 h-2 bg-orange-500 rounded-full" />
                )}
              </Link>
            ))}
          </div>

          {/* Pipeline Flow Visualization */}
          <div className="pt-2 border-t border-slate-200 dark:border-gray-700">
            <div className="text-xs font-medium text-slate-500 dark:text-slate-400 mb-2 px-1">
              Pipeline Flow
            </div>
            <div className="flex items-center justify-between px-2 py-2 bg-slate-50 dark:bg-gray-900 rounded-lg">
              <div className="flex items-center gap-1.5 text-xs">
                <span title="Code" className={currentTool === 'ci-cd' ? 'opacity-100' : 'opacity-50'}>📝</span>
                <span className="text-slate-400">→</span>
                <span title="Build" className={currentTool === 'ci-cd' ? 'opacity-100' : 'opacity-50'}>🏗️</span>
                <span className="text-slate-400">→</span>
                <span title="Test" className={currentTool === 'tests' ? 'opacity-100' : 'opacity-50'}>✅</span>
                <span className="text-slate-400">→</span>
                <span title="SBOM" className={currentTool === 'sbom' ? 'opacity-100' : 'opacity-50'}>📦</span>
                <span className="text-slate-400">→</span>
                <span title="Security" className={currentTool === 'security' ? 'opacity-100' : 'opacity-50'}>🛡️</span>
                <span className="text-slate-400">→</span>
                <span title="Deploy" className="opacity-50">🚀</span>
              </div>
            </div>
          </div>

          {/* Quick Info zum aktuellen Tool */}
          <div className="pt-2 border-t border-slate-200 dark:border-gray-700">
            <div className="text-xs text-slate-500 dark:text-slate-400 px-1">
              {currentTool === 'ci-cd' && (
                <span>Verwalten Sie Gitea Actions Pipelines und Deployments</span>
              )}
              {currentTool === 'tests' && (
                <span>Ueberwachen Sie 280+ Tests ueber alle Services</span>
              )}
              {currentTool === 'sbom' && (
                <span>Pruefen Sie Abhaengigkeiten und Lizenzen</span>
              )}
              {currentTool === 'security' && (
                <span>Analysieren Sie Vulnerabilities und Security-Scans</span>
              )}
            </div>
          </div>

          {/* Quick Action: Pipeline triggern */}
          <div className="pt-2 border-t border-slate-200 dark:border-gray-700">
            <button
              onClick={() => {
                // TODO: Implement pipeline trigger
                alert('Pipeline wird getriggert...')
              }}
              className="w-full flex items-center justify-center gap-2 px-3 py-2 text-sm text-orange-600 dark:text-orange-400 bg-orange-50 dark:bg-orange-900/20 hover:bg-orange-100 dark:hover:bg-orange-900/30 rounded-lg transition-colors"
            >
              <PlayIcon />
              <span>Pipeline triggern</span>
            </button>
          </div>
        </div>
      )}
    </div>
  )
}

// =============================================================================
// Responsive Version with Mobile FAB + Drawer
// =============================================================================

/**
 * Responsive DevOps Sidebar mit Mobile FAB + Drawer
 *
 * Desktop (xl+): Fixierte Sidebar rechts
 * Mobile/Tablet: Floating Action Button unten rechts, oeffnet Drawer
 */
export function DevOpsPipelineSidebarResponsive({
  currentTool,
  compact = false,
  className = '',
  fabPosition = 'bottom-right',
}: DevOpsPipelineSidebarResponsiveProps) {
  const [isMobileOpen, setIsMobileOpen] = useState(false)
  const liveStatus = usePipelineLiveStatus()

  // Close drawer on escape key
  useEffect(() => {
    const handleEscape = (e: KeyboardEvent) => {
      if (e.key === 'Escape') setIsMobileOpen(false)
    }
    window.addEventListener('keydown', handleEscape)
    return () => window.removeEventListener('keydown', handleEscape)
  }, [])

  // Prevent body scroll when drawer is open
  useEffect(() => {
    if (isMobileOpen) {
      document.body.style.overflow = 'hidden'
    } else {
      document.body.style.overflow = ''
    }
    return () => {
      document.body.style.overflow = ''
    }
  }, [isMobileOpen])

  const fabPositionClasses = fabPosition === 'bottom-right'
    ? 'right-4 bottom-20'
    : 'left-4 bottom-20'

  // Calculate total badge count for FAB
  const totalBadgeCount = liveStatus
    ? liveStatus.backlogCount + liveStatus.securityFindingsCount
    : 0

  return (
    <>
      {/* Desktop: Fixed Sidebar */}
      <div className={`hidden xl:block fixed right-6 top-24 w-64 z-10 ${className}`}>
        <DevOpsPipelineSidebar currentTool={currentTool} compact={compact} />
      </div>

      {/* Mobile/Tablet: FAB */}
      <button
        onClick={() => setIsMobileOpen(true)}
        className={`xl:hidden fixed ${fabPositionClasses} z-40 w-14 h-14 bg-gradient-to-r from-orange-500 to-amber-500 text-white rounded-full shadow-lg hover:shadow-xl transition-all flex items-center justify-center group`}
        aria-label="DevOps Pipeline Navigation oeffnen"
      >
        <ServerIcon />
        {/* Badge indicator */}
        {totalBadgeCount > 0 && (
          <span className="absolute -top-1 -right-1 w-5 h-5 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center">
            {totalBadgeCount > 9 ? '9+' : totalBadgeCount}
          </span>
        )}
        {/* Pulse indicator when pipeline is running */}
        {liveStatus?.isRunning && (
          <span className="absolute -top-1 -right-1 w-3 h-3 bg-green-400 rounded-full animate-pulse" />
        )}
      </button>

      {/* Mobile/Tablet: Drawer Overlay */}
      {isMobileOpen && (
        <div className="xl:hidden fixed inset-0 z-50">
          {/* Backdrop */}
          <div
            className="absolute inset-0 bg-black/50 backdrop-blur-sm transition-opacity"
            onClick={() => setIsMobileOpen(false)}
          />

          {/* Drawer */}
          <div className="absolute right-0 top-0 bottom-0 w-80 max-w-[85vw] bg-white dark:bg-gray-900 shadow-2xl transform transition-transform animate-slide-in-right">
            {/* Drawer Header */}
            <div className="flex items-center justify-between px-4 py-4 border-b border-slate-200 dark:border-gray-700 bg-gradient-to-r from-orange-50 to-amber-50 dark:from-orange-900/20 dark:to-amber-900/20">
              <div className="flex items-center gap-2">
                <span className="text-orange-600 dark:text-orange-400">
                  <ServerIcon />
                </span>
                <span className="font-semibold text-slate-700 dark:text-slate-200">
                  DevOps Pipeline
                </span>
                {liveStatus?.isRunning && (
                  <span className="w-2 h-2 bg-green-500 rounded-full animate-pulse" />
                )}
              </div>
              <button
                onClick={() => setIsMobileOpen(false)}
                className="p-2 text-slate-400 hover:text-slate-600 dark:hover:text-slate-300 rounded-lg hover:bg-slate-100 dark:hover:bg-gray-800 transition-colors"
                aria-label="Schliessen"
              >
                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
                </svg>
              </button>
            </div>

            {/* Drawer Content */}
            <div className="p-4 space-y-4 overflow-y-auto max-h-[calc(100vh-80px)]">
              {/* Tool Links */}
              <div className="space-y-2">
                {DEVOPS_PIPELINE_MODULES.map((tool) => (
                  <Link
                    key={tool.id}
                    href={tool.href}
                    onClick={() => setIsMobileOpen(false)}
                    className={`flex items-center gap-3 px-4 py-3 rounded-xl transition-all ${
                      currentTool === tool.id
                        ? 'bg-orange-100 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300 font-medium shadow-sm'
                        : 'text-slate-600 dark:text-slate-400 hover:bg-slate-100 dark:hover:bg-gray-800'
                    }`}
                  >
                    <ToolIcon id={tool.id} />
                    <div className="flex-1">
                      <div className="text-base font-medium">{tool.name}</div>
                      <div className="text-sm text-slate-500 dark:text-slate-500">
                        {tool.description}
                      </div>
                    </div>
                    {/* Status badges */}
                    {tool.id === 'tests' && liveStatus && (
                      <StatusBadge count={liveStatus.backlogCount} type="backlog" />
                    )}
                    {tool.id === 'security' && liveStatus && (
                      <StatusBadge count={liveStatus.securityFindingsCount} type="security" />
                    )}
                    {currentTool === tool.id && (
                      <span className="flex-shrink-0 w-2.5 h-2.5 bg-orange-500 rounded-full" />
                    )}
                  </Link>
                ))}
              </div>

              {/* Pipeline Flow Visualization */}
              <div className="pt-4 border-t border-slate-200 dark:border-gray-700">
                <div className="text-sm font-medium text-slate-500 dark:text-slate-400 mb-3">
                  Pipeline Flow
                </div>
                <div className="flex items-center justify-center gap-2 p-4 bg-slate-50 dark:bg-gray-800 rounded-xl">
                  <div className="flex flex-col items-center">
                    <span className="text-2xl">📝</span>
                    <span className="text-xs text-slate-500 mt-1">Code</span>
                  </div>
                  <span className="text-slate-400">→</span>
                  <div className="flex flex-col items-center">
                    <span className="text-2xl">🏗️</span>
                    <span className="text-xs text-slate-500 mt-1">Build</span>
                  </div>
                  <span className="text-slate-400">→</span>
                  <div className="flex flex-col items-center">
                    <span className="text-2xl">✅</span>
                    <span className="text-xs text-slate-500 mt-1">Test</span>
                  </div>
                  <span className="text-slate-400">→</span>
                  <div className="flex flex-col items-center">
                    <span className="text-2xl">🚀</span>
                    <span className="text-xs text-slate-500 mt-1">Deploy</span>
                  </div>
                </div>
              </div>

              {/* Quick Info */}
              <div className="pt-4 border-t border-slate-200 dark:border-gray-700">
                <div className="text-sm text-slate-600 dark:text-slate-400 p-3 bg-slate-50 dark:bg-gray-800 rounded-xl">
                  {currentTool === 'ci-cd' && (
                    <>
                      <strong className="text-slate-700 dark:text-slate-300">Aktuell:</strong> Gitea Actions Pipelines und Deployments verwalten
                    </>
                  )}
                  {currentTool === 'tests' && (
                    <>
                      <strong className="text-slate-700 dark:text-slate-300">Aktuell:</strong> 280+ Tests ueber alle Services ueberwachen
                    </>
                  )}
                  {currentTool === 'sbom' && (
                    <>
                      <strong className="text-slate-700 dark:text-slate-300">Aktuell:</strong> Abhaengigkeiten und Lizenzen pruefen
                    </>
                  )}
                  {currentTool === 'security' && (
                    <>
                      <strong className="text-slate-700 dark:text-slate-300">Aktuell:</strong> Vulnerabilities und Security-Scans analysieren
                    </>
                  )}
                </div>
              </div>

              {/* Quick Action: Pipeline triggern */}
              <div className="pt-4 border-t border-slate-200 dark:border-gray-700">
                <button
                  onClick={() => {
                    // TODO: Implement pipeline trigger
                    alert('Pipeline wird getriggert...')
                    setIsMobileOpen(false)
                  }}
                  className="w-full flex items-center justify-center gap-2 px-4 py-3 text-base text-white bg-gradient-to-r from-orange-500 to-amber-500 hover:from-orange-600 hover:to-amber-600 rounded-xl transition-colors font-medium"
                >
                  <PlayIcon />
                  <span>Pipeline triggern</span>
                </button>
              </div>

              {/* Link to Infrastructure Overview */}
              <div className="pt-4 border-t border-slate-200 dark:border-gray-700">
                <Link
                  href="/infrastructure"
                  onClick={() => setIsMobileOpen(false)}
                  className="flex items-center gap-2 px-3 py-2 text-sm text-orange-600 dark:text-orange-400 hover:bg-orange-50 dark:hover:bg-orange-900/20 rounded-lg transition-colors"
                >
                  <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
                  </svg>
                  <span>Zur Infrastructure-Uebersicht</span>
                </Link>
              </div>
            </div>
          </div>
        </div>
      )}

      {/* CSS for slide-in animation */}
      <style jsx>{`
        @keyframes slide-in-right {
          from {
            transform: translateX(100%);
          }
          to {
            transform: translateX(0);
          }
        }
        .animate-slide-in-right {
          animation: slide-in-right 0.2s ease-out;
        }
      `}</style>
    </>
  )
}

export default DevOpsPipelineSidebar