export default class ModalEditor {
  constructor(graph) {
    this.graph = graph;
    this.activeMode = this.commandMode;
    this.word = "";
    this.secondarySelection = [];
  }

  handleKeyup(event) {
    console.log(event);
    this.activeMode(event);
  }

  commandMode(event) {
    switch (event.key) {
      case "i":
        this.activeMode = this.insertMode;
        break;
      case "s":
        this.activeMode = this.searchMode;
        break;
    }
  }

  gatherText(event) {
    if (event.key === "Escape" || event.key == "Enter") {
      this.activeMode = this.commandMode;
      this.word = "";
    } else if (event.key == "Backspace") {
      this.word = this.word.substring(0, this.word.length - 1);
      event.stopPropagation();
    } else {
      this.word += event.key;
    }
  }

  insertMode(event) {
    // override enter handler
    if (event.key === "Enter") {
      let newId = this.graph.insert(this.word, "unknown");
      this.graph.addLink(newId, this.graph.InboxId);
      this.word = "";
      this.activeMode = this.commandMode;
    } else {
      this.gatherText(event);
    }
  }

  searchMode(event) {
    this.gatherText(event);
    this.secondarySelection = Array.from(this.graph.search(this.word));
    console.log(this.word, this.secondarySelection);
  }

  display() {
    switch (this.activeMode) {
      case this.insertMode:
        return "insert> " + this.word;
      case this.searchMode:
        return "search/ " + this.word;
      default:
        return "(i)nsert (s)earch";
    }
  }
}