import React, { useEffect, useState } from 'react'
import LevelBadge from '../../components/xp/LevelBadge'

export default function RecommendedCreators() {
  const [items, setItems] = useState([])
  const [loading, setLoading] = useState(true)
  const [error, setError] = useState('')
  const [busyId, setBusyId] = useState(null)

  useEffect(() => {
    let cancelled = false

    async function load() {
      try {
        const response = await window.axios.get('/api/dashboard/recommended-creators')
        if (!cancelled) {
          setItems(Array.isArray(response.data?.data) ? response.data.data : [])
          setError('')
        }
      } catch {
        if (!cancelled) {
          setError('Could not load creator recommendations right now.')
        }
      } finally {
        if (!cancelled) {
          setLoading(false)
        }
      }
    }

    load()

    return () => {
      cancelled = true
    }
  }, [])

  async function handleFollow(creator) {
    if (!creator?.username || busyId === creator.id) {
      return
    }

    setBusyId(creator.id)

    try {
      const response = await window.axios.post(`/@${creator.username}/follow`)
      const isFollowing = Boolean(response.data?.following)

      if (isFollowing) {
        setItems((current) => current.filter((item) => item.id !== creator.id))
      }
    } catch {
      setError('Could not update follow state right now.')
    } finally {
      setBusyId(null)
    }
  }

  return (
    <section className="rounded-[28px] border border-white/10 bg-[linear-gradient(180deg,rgba(15,23,42,0.92),rgba(15,23,42,0.82))] p-5 shadow-[0_24px_90px_rgba(2,8,23,0.32)]">
      <div className="mb-5 flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
        <div>
          <p className="text-[11px] uppercase tracking-[0.24em] text-sky-200/70">Community</p>
          <h2 className="mt-2 text-xl font-semibold text-white">Recommended Creators</h2>
          <p className="mt-2 max-w-md text-sm leading-6 text-slate-300">
            Strong accounts you are not following yet, selected to help you improve your feed and discover new audiences.
          </p>
        </div>
        <a className="inline-flex items-center justify-center gap-2 rounded-full border border-sky-400/25 bg-sky-400/10 px-3 py-1.5 text-xs font-semibold uppercase tracking-wide text-sky-100 transition hover:border-sky-300/35 hover:bg-sky-400/15 sm:justify-start" href="/creators/top">
          See all
          <i className="fa-solid fa-arrow-right text-[10px]" />
        </a>
      </div>

      {loading ? <p className="text-sm text-slate-400">Loading creators...</p> : null}
      {error ? <p className="mb-4 text-sm text-rose-300">{error}</p> : null}

      {!loading && items.length === 0 ? (
        <div className="rounded-2xl border border-white/8 bg-white/5 px-5 py-6 text-sm text-slate-300">
          <p className="font-medium text-white">No creator recommendations right now.</p>
          <p className="mt-2 text-slate-400">Browse the full creator directory to keep expanding your network.</p>
        </div>
      ) : null}

      {!loading && items.length > 0 ? (
        <div className="space-y-3">
          {items.map((creator) => (
            <article
              key={creator.id}
              className="flex flex-col gap-4 rounded-2xl border border-white/8 bg-white/[0.04] p-4 transition hover:-translate-y-0.5 hover:border-white/15 hover:bg-white/[0.06] sm:flex-row sm:items-center sm:justify-between"
            >
              <a href={creator.url || '#'} className="flex min-w-0 items-center gap-4">
                <img
                  src={creator.avatar || '/images/default-avatar.png'}
                  alt={creator.username || creator.name || 'Creator'}
                  className="h-12 w-12 rounded-2xl border border-white/10 object-cover"
                />
                <div className="min-w-0">
                  <div className="flex flex-wrap items-center gap-2">
                    <p className="truncate text-sm font-semibold text-white">
                      {creator.username ? `@${creator.username}` : creator.name}
                    </p>
                    <span className="inline-flex items-center rounded-full border border-sky-400/20 bg-sky-400/10 px-2.5 py-1 text-[10px] font-medium uppercase tracking-wide text-sky-100">
                      Suggested
                    </span>
                  </div>
                  <div className="mt-1">
                    <LevelBadge level={creator.level} rank={creator.rank} compact />
                  </div>
                  <div className="mt-2 flex flex-wrap items-center gap-3 text-xs text-slate-400">
                    <span>{Number(creator.followers_count || 0).toLocaleString()} followers</span>
                    <span>{Number(creator.uploads_count || 0).toLocaleString()} uploads</span>
                  </div>
                </div>
              </a>

              <div className="flex w-full flex-col gap-3 sm:w-auto sm:flex-row sm:items-center sm:self-auto">
                <a
                  href={creator.url || '#'}
                  className="inline-flex items-center justify-center rounded-full border border-white/10 px-3 py-2 text-xs font-semibold uppercase tracking-wide text-slate-200 transition hover:border-white/20 hover:bg-white/5"
                >
                  View profile
                </a>
                <button
                  type="button"
                  onClick={() => handleFollow(creator)}
                  disabled={busyId === creator.id || !creator.username}
                  className="inline-flex items-center justify-center gap-2 rounded-full border border-emerald-400/25 bg-emerald-400/10 px-3.5 py-2 text-xs font-semibold uppercase tracking-wide text-emerald-100 transition hover:border-emerald-300/40 hover:bg-emerald-400/15 disabled:cursor-not-allowed disabled:opacity-60"
                >
                  <i className={`fa-solid ${busyId === creator.id ? 'fa-circle-notch fa-spin' : 'fa-user-plus'} text-[10px]`} />
                  Follow
                </button>
              </div>
            </article>
          ))}
        </div>
      ) : null}
    </section>
  )
}