import html from '../utils/html.js'
import markdown from '../utils/markdown.js'
import Duration from './duration.js'
import Link from './link.js'

/** @typedef {NonNullable<import('../schema.d.ts').ResumeSchema['work']>[number]} Work */
/** @typedef {Pick<Work, 'highlights' | 'location' | 'position' | 'startDate' | 'endDate' | 'summary'>} NestedWorkItem */
/** @typedef {Pick<Work, 'description' | 'name' | 'url'> & { items: NestedWorkItem[] }} NestedWork */

/**
 * @param {import('../schema.d.ts').ResumeSchema['work']} work
 * @returns {string | false}
 */
export default function Work(work = []) {
  const nestedWork = work.reduce((acc, { description, name, url, ...rest }) => {
    const prev = acc[acc.length - 1]
    if (prev && prev.name === name && prev.description === description && prev.url === url) prev.items.push(rest)
    else acc.push({ description, name, url, items: [rest] })
    return acc
  }, /** @type {NestedWork[]} */ ([]))

  return work.length > 0 && html`
    <section id="work">
      <h3>Work</h3>
      <div class="stack">
        ${nestedWork.map(({ description, name, url, items = [] }) => html`
          <article>
            <header>
              <h4>${Link(url, name)}</h4>
              <div class="meta">
                ${description && html`<div>${description}</div>`}
              </div>
            </header>
            <div class="timeline">
              ${items.map(({highlights = [], location, position, startDate, endDate, summary }) => html`
                <div>
                  <div>
                    <h5>${position}</h5>
                    <div class="meta">
                      ${startDate && html`<div>${Duration(startDate, endDate)}</div>`}
                      ${location && html`<div>${location}</div>`}
                    </div>
                  </div>
                  ${summary && markdown(summary)}
                  ${highlights.length > 0 && html`
                    <ul>
                      ${highlights.map(highlight => html`<li>${markdown(highlight)}</li>`)}
                    </ul>
                  `}
                </div>
              `)}
            </div>
          </article>
        `)}
      </div>
    </section>
  `
}