export default class ModalEditor {
  constructor(graph) {
    this.graph = graph;
    this.mode = "command";
    this.word = "";
  }

  handleKeyup(event) {
    console.log(event);
    switch (this.mode) {
      case "command":
        this.commandModeKey(event);
        break;
      case "insert":
        this.insertModeKey(event);
        break;
    }
  }

  commandModeKey(event) {
    switch (event.key) {
      case "i":
        this.mode = "insert";
        break;
    }
  }

  insertModeKey(event) {
    if (event.key === "Enter") {
      let newId = this.graph.insert(this.word, "unknown");
      this.graph.addLink(newId, this.graph.InboxId);
      this.word = "";
      this.mode = "command";
    } else {
      this.word += event.key;
    }
  }

  display() {
    switch (this.mode) {
      case "insert":
        return "insert> " + this.word;
      case "command":
        return "(i)nsert";
    }
  }
}