'use client'

import { motion } from 'framer-motion'
import { Language, PitchFunding } from '@/lib/types'
import { t } from '@/lib/i18n'
import { ArrowRight } from 'lucide-react'
import GradientText from '../ui/GradientText'
import BrandName from '../ui/BrandName'

interface CoverSlideProps {
  lang: Language
  onNext: () => void
  funding?: PitchFunding
}

function formatRoundLabel(funding: PitchFunding | undefined): string {
  if (!funding) return 'Pre-Seed'
  // Extract a short round label from round_name
  const name = funding.round_name || ''
  if (name.toLowerCase().includes('seed')) return 'Pre-Seed'
  if (name.toLowerCase().includes('series a')) return 'Series A'
  return 'Pre-Seed'
}

function formatQuarter(dateStr: string | undefined): string {
  if (!dateStr) return ''
  try {
    const d = new Date(dateStr)
    const quarter = Math.ceil((d.getMonth() + 1) / 3)
    return `Q${quarter} ${d.getFullYear()}`
  } catch {
    return ''
  }
}

export default function CoverSlide({ lang, onNext, funding }: CoverSlideProps) {
  const i = t(lang)

  const roundLabel = formatRoundLabel(funding)
  const quarter = formatQuarter(funding?.target_date)
  const subtitle = quarter ? `${roundLabel}  ·  ${quarter}` : roundLabel

  return (
    <div className="flex flex-col items-center justify-center text-center min-h-[70vh]">
      {/* Logo / Brand */}
      <motion.div
        initial={{ opacity: 0, scale: 0.5 }}
        animate={{ opacity: 1, scale: 1 }}
        transition={{ duration: 0.8, ease: [0.22, 1, 0.36, 1] }}
        className="mb-8"
      >
        <div className="w-20 h-20 mx-auto mb-6 rounded-2xl bg-gradient-to-br from-indigo-500 to-purple-600
          flex items-center justify-center shadow-lg shadow-indigo-500/30">
          <svg width="40" height="40" viewBox="0 0 40 40" fill="none">
            <path d="M8 12L20 6L32 12V28L20 34L8 28V12Z" stroke="white" strokeWidth="2" fill="none" />
            <path d="M20 6V34" stroke="white" strokeWidth="1.5" opacity="0.5" />
            <path d="M8 12L32 28" stroke="white" strokeWidth="1.5" opacity="0.3" />
            <path d="M32 12L8 28" stroke="white" strokeWidth="1.5" opacity="0.3" />
            <circle cx="20" cy="20" r="4" fill="white" opacity="0.8" />
          </svg>
        </div>
      </motion.div>

      {/* Company Name */}
      <motion.h1
        initial={{ opacity: 0, y: 30 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ duration: 0.6, delay: 0.3 }}
        className="text-5xl md:text-7xl font-bold mb-4 tracking-tight"
      >
        BreakPilot{' '}
        <motion.span
          initial={{ opacity: 0, y: 10 }}
          animate={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.6, delay: 0.5 }}
        >
          <BrandName className="text-5xl md:text-7xl font-bold" />
        </motion.span>
      </motion.h1>

      {/* Tagline */}
      <motion.p
        initial={{ opacity: 0 }}
        animate={{ opacity: 1 }}
        transition={{ duration: 0.8, delay: 0.6 }}
        className="text-xl md:text-2xl text-white/60 mb-2 max-w-2xl"
      >
        {i.cover.tagline}
      </motion.p>

      {/* Subtitle — dynamisch aus Funding */}
      <motion.p
        initial={{ opacity: 0 }}
        animate={{ opacity: 1 }}
        transition={{ duration: 0.5, delay: 0.8 }}
        className="text-sm text-white/30 font-mono tracking-wider mb-12"
      >
        {subtitle}
      </motion.p>

      {/* CTA */}
      <motion.button
        initial={{ opacity: 0, y: 20 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ delay: 1.2 }}
        whileHover={{ scale: 1.05 }}
        whileTap={{ scale: 0.95 }}
        onClick={onNext}
        className="group flex items-center gap-2 px-8 py-3 rounded-full
          bg-indigo-500 hover:bg-indigo-600 transition-colors text-white font-medium
          shadow-lg shadow-indigo-500/30"
      >
        {i.cover.cta}
        <ArrowRight className="w-4 h-4 group-hover:translate-x-1 transition-transform" />
      </motion.button>
    </div>
  )
}