RR0/rr0.org

import { AnchorHandler } from "./AnchorHandler"
import { HtmlRR0SsgContext } from "../RR0SsgContext"
import { DataService } from "../DataService"
import { RR0Data } from "../RR0Data"

export class DataAnchorHandler implements AnchorHandler {

  /**
   * Source counter in the page.
   */
  protected number = 0

  constructor(protected dataService: DataService) {
  }

  async handle(context: HtmlRR0SsgContext, linkEl: HTMLAnchorElement, pathToSearch: string): Promise<void> {
    if (this.dataService.dirs.find(dir => dir.startsWith(pathToSearch))) {
      const dataList = await this.dataService.get(context, pathToSearch, ["api", "product", "org"], ["index.json"])
      for (const data of dataList) {
        const type = data?.type
        switch (type) {
          case "api":
            this.handleApi(context, data, linkEl)
            break
          case "product":
            this.handleProduct(context, data, linkEl)
            break
          case "org":
            //  this.handleOrg(context, data, linkEl)
            break
        }
      }
    }
  }

  protected handleNote(context: HtmlRR0SsgContext, linkEl: HTMLAnchorElement, note: string) {
    this.number++
    const noteStr = this.number.toString()
    const noteId = `deprecated-${noteStr}`
    const outputDoc = context.outputFile.document
    const replacement = outputDoc.createElement("span")
    replacement.className = "note-id"
    replacement.ariaLabel = "Note"
    replacement.textContent = "d" + noteStr
    const contents = outputDoc.createElement("span")
    contents.className = "note-contents"
    contents.innerHTML = note
    const anchor = outputDoc.createElement("span")
    anchor.id = noteId
    anchor.className = "anchor"
    replacement.append(anchor, contents)
    linkEl.parentNode.insertBefore(replacement, linkEl.nextSibling)
  }

  protected handleApi(context: HtmlRR0SsgContext, data: RR0Data, linkEl: HTMLAnchorElement) {
    const deprecated = data.deprecated
    if (deprecated) {
      linkEl.classList.add("deprecated")
    }
    const note = data.note
    if (note) {
      this.handleNote(context, linkEl, note)
    }
  }

  protected handleProduct(context: HtmlRR0SsgContext, data: RR0Data, linkEl: HTMLAnchorElement) {
    return this.handleApi(context, data, linkEl)
  }

  protected handleOrg(context: HtmlRR0SsgContext, data: RR0Data, linkEl: HTMLAnchorElement) {
    return this.handleApi(context, data, linkEl)
  }
}