'use client'

import { motion } from 'framer-motion'
import { ExternalLink, MessageSquare, CheckCircle, XCircle, Loader2, AlertCircle } from 'lucide-react'
import { useState, useEffect } from 'react'
import { useTerminal } from '@/lib/TerminalContext'

function RepoCIBadge({ label, repo, forgejoBase }: { label: string; repo: string; forgejoBase: string }) {
  const [ci, setCI] = useState<{ sha: string; status: string } | null>(null)

  useEffect(() => {
    fetch(`/api/ci-status?repo=${repo}`)
      .then(r => r.json())
      .then(data => setCI({
        sha: data.sha?.substring(0, 7) || '',
        status: data.conclusion || data.status || 'unknown',
      }))
      .catch(() => null)
  }, [repo])

  const icon = !ci ? <Loader2 size={11} className="animate-spin text-gray-400" />
    : ci.status === 'success' ? <CheckCircle size={11} className="text-green-500" />
    : ci.status === 'failure' ? <XCircle size={11} className="text-red-500" />
    : <AlertCircle size={11} className="text-yellow-500" />

  return (
    <div className="flex items-center gap-1.5 text-xs">
      <span className="text-gray-500 dark:text-gray-400 font-medium w-20 truncate">{label}</span>
      {ci?.sha ? (
        <a
          href={`${forgejoBase}/commit/${ci.sha}`}
          target="_blank"
          rel="noopener noreferrer"
          className="font-mono text-blue-600 dark:text-blue-400 hover:underline"
        >
          {ci.sha}
        </a>
      ) : (
        <span className="font-mono text-gray-400">···</span>
      )}
      <span className="text-gray-300 dark:text-gray-600">|</span>
      {icon}
    </div>
  )
}

interface CIRepo {
  label: string
  repo: string
  forgejoBase: string
}

interface ProjectShowcaseProps {
  id?: string
  title: string
  description: string
  longDescription?: string
  stat: string
  highlight?: string
  status: 'live' | 'building' | 'planning' | 'completed'
  media?: {
    type: 'image' | 'video'
    url: string
  }
  videoUrl?: string
  articleUrl?: string
  watchVideoText?: string
  readArticleText?: string
  askPoimenText?: string
  bullets?: string[]
  deepDive?: {
    label: string
    url: string
  }
  ciRepos?: CIRepo[]
}

export function ProjectShowcase({
  id,
  title,
  description,
  longDescription,
  stat,
  highlight,
  status,
  media,
  videoUrl,
  articleUrl,
  watchVideoText = 'Watch Video',
  readArticleText = 'Read Article',
  askPoimenText = 'Ask Poimen for technical details',
  bullets,
  deepDive,
  ciRepos,
}: ProjectShowcaseProps) {
  const { setIsOpen } = useTerminal()
  
  const statusColors = {
    live: 'bg-green-100 dark:bg-green-900 text-green-800 dark:text-green-200',
    completed: 'bg-green-100 dark:bg-green-900 text-green-800 dark:text-green-200',
    building: 'bg-blue-100 dark:bg-blue-900 text-blue-800 dark:text-blue-200',
    planning: 'bg-gray-100 dark:bg-gray-800 text-gray-800 dark:text-gray-200',
  }

  return (
    <motion.div
      id={id}
      initial={{ opacity: 0, y: 20 }}
      whileInView={{ opacity: 1, y: 0 }}
      viewport={{ once: true }}
      transition={{ duration: 0.6 }}
      className="bg-white dark:bg-gray-900 rounded-lg border border-gray-200 dark:border-gray-800 overflow-hidden hover:shadow-lg transition-shadow"
    >
      {/* Optional Media (Image or Video) */}
      {media && (
        <div className="aspect-video bg-gradient-to-br from-blue-500 to-purple-500 dark:from-blue-900 dark:to-purple-900 flex items-center justify-center">
          {media.type === 'video' ? (
            (() => {
              const youtubeMatch = media.url.match(/(?:youtube\.com\/watch\?v=|youtu\.be\/)([^&]+)/)
              if (youtubeMatch) {
                return (
                  <iframe
                    src={`https://www.youtube.com/embed/${youtubeMatch[1]}`}
                    title={title}
                    className="w-full h-full"
                    allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
                    allowFullScreen
                  />
                )
              }
              return null
            })()
          ) : (
            <img src={media.url} alt={title} className="w-full h-full object-cover" />
          )}
        </div>
      )}

      {/* Content */}
      <div className="p-6">
        <div className="flex items-start justify-between mb-4">
          <div className="flex-1">
            <h3 className="text-2xl font-bold text-gray-900 dark:text-white mb-2">
              {title}
            </h3>
            <p className="text-gray-600 dark:text-gray-400 mb-2">
              {description}
            </p>
            {longDescription && (
              <p className="text-sm text-gray-600 dark:text-gray-400">
                {longDescription}
              </p>
            )}
            {bullets && bullets.length > 0 && (
              <ul className="mt-3 space-y-1">
                {bullets.map((bullet, i) => {
                  // Highlight skills: parentheses + keywords
                  const skillKeywords = ['Terraform', 'Golang', 'K8s', 'Slack', 'Grafana', 'IaC', 'Docker', 'OpenShift', 'Temporal', 'Kafka', 'gRPC', 'AWS', 'Java', 'Python', 'Go', 'C++', 'CloudWatch', 'DynamoDB']
                  const escapeRegex = (s: string) => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
                  const pattern = new RegExp(`(\\([^)]+\\)|${skillKeywords.map(escapeRegex).join('|')})`, 'g')
                  const parts = bullet.split(pattern).filter(Boolean)
                  return (
                    <li key={i} className="text-sm text-gray-600 dark:text-gray-400 flex items-start gap-2">
                      <span className="text-blue-500">•</span>
                      <span>
                        {parts.map((part, j) => 
                          (part.startsWith('(') && part.endsWith(')')) || skillKeywords.includes(part) ? (
                            <span key={j} className="text-blue-600 dark:text-blue-400 font-medium">
                              {part}
                            </span>
                          ) : (
                            <span key={j}>{part}</span>
                          )
                        )}
                      </span>
                    </li>
                  )
                })}
              </ul>
            )}
            {deepDive && (
              <a
                href={deepDive.url}
                className="mt-3 inline-block text-sm font-semibold text-blue-600 dark:text-blue-400 hover:underline"
              >
                {deepDive.label}
              </a>
            )}
          </div>
          {ciRepos ? (
            <div className="ml-4 flex flex-col gap-1.5 shrink-0">
              {ciRepos.map((r) => (
                <RepoCIBadge key={r.repo} label={r.label} repo={r.repo} forgejoBase={r.forgejoBase} />
              ))}
            </div>
          ) : (
            <span
              className={`ml-4 px-3 py-1 rounded-full text-xs font-semibold whitespace-nowrap ${
                statusColors[status]
              }`}
            >
              {status.charAt(0).toUpperCase() + status.slice(1)}
            </span>
          )}
        </div>

        {/* Stat */}
        <div className="bg-gradient-to-r from-blue-50 to-purple-50 dark:from-gray-800 dark:to-gray-800 rounded px-4 py-3 mb-4 space-y-1">
          <p className="text-sm font-semibold text-blue-600 dark:text-blue-400">
            📊 {stat}
          </p>
          {highlight && (
            <p className="text-sm font-semibold text-blue-600 dark:text-blue-400">
              📊 {highlight}
            </p>
          )}
        </div>

        {/* CTA Buttons */}
        <div className="flex gap-3">
          {videoUrl && videoUrl !== '#' && !videoUrl.includes('youtube.com') && !videoUrl.includes('youtu.be') && (
            <a
              href={videoUrl}
              target="_blank"
              rel="noopener noreferrer"
              className="flex-1 bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg font-semibold transition flex items-center justify-center gap-2"
            >
              <span>{watchVideoText}</span>
              <ExternalLink size={16} />
            </a>
          )}
          {articleUrl && articleUrl !== '#' && (
            <a
              href={articleUrl}
              target="_blank"
              rel="noopener noreferrer"
              className="flex-1 border-2 border-gray-300 dark:border-gray-600 text-gray-900 dark:text-white hover:bg-gray-100 dark:hover:bg-gray-800 px-4 py-2 rounded-lg font-semibold transition flex items-center justify-center gap-2"
            >
              <span>{readArticleText}</span>
              <ExternalLink size={16} />
            </a>
          )}
        </div>

        {/* Ask Poimen */}
        <button
          onClick={() => setIsOpen(true)}
          className="mt-4 w-full text-sm text-gray-500 dark:text-gray-400 hover:text-blue-600 dark:hover:text-blue-400 flex items-center justify-center gap-2 transition"
        >
          <MessageSquare size={14} />
          {askPoimenText}
        </button>
      </div>
    </motion.div>
  )
}