const moment = require("moment")

module.exports = class {
  onCreate() {
    this.state = {text: null, color: "color-menu", href: null, tooltip: null}
  }

  onInput(input) {
    if (this.state != null) {
      this.updateState(input)
    }
  }

  updateState({kind, weak, value, updated}) {
    this.state = {text: null, color: "color-menu", href: null, tooltip: null}

    if (value == null || value == "") {
      return
    }

    switch (kind) {
      case "timestamp": {
        const m = moment(value)
        if (m.year() < 2) {
          break
        }

        this.state.tooltip = m.format("YYYY-MM-DD HH:mm:ss")
        this.state.text = `[${m.format("HH:mm")}]`

        break
      }
  
      case "author": {
        this.state.text = value
        this.state.tooltip = "See all stories by " + value
        this.state.href = `/story/by-author/${value}/`

        break
      }
  
      default: {
        this.state.color = "color-menu"
        this.state.text = value

        break
      }
    }
  }
}