import { Bi } from '@/lib/i18n'
import type { Resume } from '@/lib/types'
import styles from './sections.module.css'

// The English resume gives the structure; the Russian one is paired with it by position, and anything the
// Russian file lacks falls back to the English text.
type Pair = { en: Resume; ru: Resume }

export function Skills({ en, ru }: Readonly<Pair>) {
  return (
    <section className={styles.section} id="skills">
      <div className={styles.shell}>
        <h2 className={styles.title}><Bi ru="Чем я занимаюсь" en="What I work with" /></h2>
        <div className={styles.skills}>
          {en.skills.map((skill, i) => {
            const r = ru.skills?.[i]
            return (
              <article className={styles.skill} key={skill.title}>
                <h3><Bi ru={r?.title ?? skill.title} en={skill.title} /></h3>
                <p><Bi ru={r?.text ?? skill.text} en={skill.text} /></p>
                <ul className={styles.tags}>
                  {skill.stack.map((tag, t) => (
                    <li key={tag}><Bi ru={r?.stack?.[t] ?? tag} en={tag} /></li>
                  ))}
                </ul>
              </article>
            )
          })}
        </div>
      </div>
    </section>
  )
}

export function Experience({ en, ru }: Readonly<Pair>) {
  return (
    <section className={styles.section} id="experience">
      <div className={styles.shell}>
        <h2 className={styles.title}><Bi ru="Опыт" en="Experience" /></h2>
        <div className={styles.entries}>
          {en.experience.map((entry, i) => {
            const r = ru.experience?.[i]
            return (
              <article className={styles.entry} key={entry.title}>
                <p className={styles.meta}><Bi ru={r?.meta ?? entry.meta} en={entry.meta} /></p>
                <div>
                  <h3><Bi ru={r?.title ?? entry.title} en={entry.title} /></h3>
                  <ul className={styles.list}>
                    {entry.points.map((point, p) => (
                      <li key={point}><Bi ru={r?.points?.[p] ?? point} en={point} /></li>
                    ))}
                  </ul>
                </div>
              </article>
            )
          })}
        </div>
      </div>
    </section>
  )
}

export function Education({ en, ru }: Readonly<Pair>) {
  return (
    <section className={styles.section} id="education">
      <div className={styles.shell}>
        <h2 className={styles.title}><Bi ru="Образование и языки" en="Education and languages" /></h2>
        <div className={styles.columns}>
          <div>
            <h3 className={styles.label}><Bi ru="Образование" en="Education" /></h3>
            <div className={styles.stack}>
              {en.education.map((entry, i) => {
                const r = ru.education?.[i]
                return (
                  <div key={entry.institution}>
                    <p className={styles.strong}><Bi ru={r?.institution ?? entry.institution} en={entry.institution} /></p>
                    <p><Bi ru={r?.program ?? entry.program} en={entry.program} /></p>
                    <p className={styles.meta}><Bi ru={r?.period ?? entry.period} en={entry.period} /></p>
                  </div>
                )
              })}
            </div>
          </div>
          <div>
            <h3 className={styles.label}><Bi ru="Языки" en="Languages" /></h3>
            <dl className={styles.languages}>
              {en.languages.map((language, i) => {
                const r = ru.languages?.[i]
                return (
                  <div key={language.name}>
                    <dt><Bi ru={r?.name ?? language.name} en={language.name} /></dt>
                    <dd><Bi ru={r?.level ?? language.level} en={language.level} /></dd>
                  </div>
                )
              })}
            </dl>
          </div>
          <div>
            <h3 className={styles.label}><Bi ru="Интересы" en="Interests" /></h3>
            <p>
              <Bi
                ru={`${(ru.interests?.length ? ru.interests : en.interests).join(', ')}.`}
                en={`${en.interests.join(', ')}.`}
              />
            </p>
          </div>
        </div>
      </div>
    </section>
  )
}

export function Contact({ en, ru }: Readonly<Pair>) {
  const [primary, ...others] = en.contacts
  return (
    <footer className={styles.contact} id="contact">
      <div className={styles.shell}>
        <h2 className={styles.contactTitle}><Bi ru="Связаться" en="Get in touch" /></h2>
        <p className={styles.contactLead}><Bi ru="Почта — самый быстрый способ." en="Email is the fastest way to reach me." /></p>
        <a className={styles.mail} href={primary.href}>{primary.value}</a>
        <ul className={styles.contacts}>
          {others.map((contact, i) => {
            const label = ru.contacts?.[i + 1]?.label ?? contact.label
            return (
              <li key={contact.value}>
                <span>{label === contact.label ? contact.label : <Bi ru={label} en={contact.label} />}</span>
                <a href={contact.href} target={contact.href.startsWith('http') ? '_blank' : undefined} rel="noreferrer">{contact.value}</a>
              </li>
            )
          })}
        </ul>
        <p className={styles.legal}>
          <Bi
            ru="© 2026 Эмиль Шанаев. Сайт работает на собственном сервере: Gitea, Caddy и Docker. Резюме и проекты подтягиваются из репозиториев."
            en="© 2026 Emil Shanayev. This site runs on my own server: Gitea, Caddy and Docker. The resume and projects are read from repositories."
          />
        </p>
      </div>
    </footer>
  )
}