import { useTranslation } from 'react-i18next'
import type { SpiritEntity } from '../lib/types'

export type EntityCardProps = {
  entity: SpiritEntity | null
  isNew: boolean
  /** Whether the collapsible dossier body is expanded. */
  open: boolean
  /** Toggle the collapsed/expanded state (ignored while there's no entity). */
  onToggleOpen: () => void
}

/**
 * Occult dossier of the currently-summoned spirit, wax-seal vibe.
 * Styling (`.spirit-dossier` / `.dossier-*` / `.rarity-badge` / …) lives in
 * SeancePage.css alongside the rest of the side column.
 */
export function EntityCard({ entity, isNew, open, onToggleOpen }: EntityCardProps) {
  const { t } = useTranslation()

  if (!entity) {
    return (
      <section className="spirit-dossier empty">
        <div className="dossier-body">
          <p className="dossier-none">{t('seance.entity.none')}</p>
          <p className="dossier-nonehint dim">{t('seance.entity.noneHint')}</p>
        </div>
      </section>
    )
  }

  return (
    <section className={`spirit-dossier ${open ? 'open' : 'closed'}`}>
      <button type="button" className="dossier-header" onClick={onToggleOpen} aria-expanded={open}>
        <span className="dossier-title">{t('seance.entity.title')}</span>
        <span className="dossier-chevron" aria-hidden>
          {open ? '▾' : '◂'}
        </span>
      </button>
      {open && (
        <div className="dossier-body">
          <h3 className="dossier-name" style={{ color: `hsl(${entity.visual.hue} 85% 78%)` }}>
            {entity.name}
          </h3>
          <p className="dossier-epithet">{entity.epithet}</p>
          <div className="dossier-badges">
            <span className={`rarity-badge rarity-${entity.rarity}`}>
              {t(`seance.entity.rarity.${entity.rarity}`)}
            </span>
            {isNew ? (
              <span className="dossier-badge badge-new">{t('seance.entity.isNew')}</span>
            ) : (
              <span className="dossier-badge badge-known">
                {t('seance.entity.known', { count: entity.contact_count })}
              </span>
            )}
          </div>

          <div className="dossier-section">
            <h4>{t('seance.entity.persona')}</h4>
            <p className="dossier-persona">{entity.persona}</p>
          </div>

          <div className="dossier-section">
            <h4>{t('seance.entity.voice')}</h4>
            <dl className="voice-params">
              <div>
                <dt>id</dt>
                <dd>{entity.voice.voice_id}</dd>
              </div>
              <div>
                <dt>pitch</dt>
                <dd>{entity.voice.pitch.toFixed(2)}</dd>
              </div>
              <div>
                <dt>rate</dt>
                <dd>{entity.voice.rate.toFixed(2)}</dd>
              </div>
              <div>
                <dt>noise</dt>
                <dd>{entity.voice.noise.toFixed(2)}</dd>
              </div>
              <div>
                <dt>echo</dt>
                <dd>{entity.voice.echo.toFixed(2)}</dd>
              </div>
            </dl>
          </div>

          {entity.quotes.length > 0 && (
            <div className="dossier-section">
              <h4>{t('seance.entity.quotes')}</h4>
              <ul className="dossier-quotes">
                {entity.quotes.slice(0, 4).map((q, i) => (
                  <li key={i}>“{q}”</li>
                ))}
              </ul>
            </div>
          )}
        </div>
      )}
    </section>
  )
}