const moment = require("moment")

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

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

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

        const dateStr = m.format("MMM D, YYYY")

        this.state.text = dateStr

        if (updated != null && Date.parse(updated) > Date.parse(value)) {
          const m2 = moment(updated)
          this.state.tooltip = "Originally posted: " + dateStr
          this.state.text = m2.format("MMM D, YYYY") + " *"
        }

        break
      }
  
      case "tag": {
        this.state.color = `color-tag-${value.kind.toLowerCase()}`
        this.state.text = value.name

        break
      }
  
      case "author": {
        this.state.text = value

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

        break
      }
    }
  }
}