class Controller {
  constructor(model, view) {
    this.model = model;
    this.view = view;

    this.redrawDirTree(view);
    //this.pullRep();

    this.addListeners();
    this.init();
  }

  init() {
    let repo = localStorage.getItem("repo");
    let name = localStorage.getItem("name");
    let email = localStorage.getItem("email");

    if (
      repo == null ||
      name == null ||
      email == null ||
      repo == "" ||
      name == "" ||
      email == ""
    ) {
      this.view.openSettings();
    } else {
      this.model.getDirTree().then(
        function (value) {
          if (value.length == 1) {
            //Nic nenaklonovaného, klonovat
            this.cloneRep();
          } else {
            //Udělat Pull
            this.pullRep();
          }
        }.bind(this),
        function (error) {
          console.log(error);
        }
      );
    }
  }

  addListeners() {
    var cloneBtn = document.getElementsByClassName("clone")[0];
    var purgeBtn = document.getElementsByClassName("wipe")[0];
    var settingsBtn = document.getElementsByClassName("settingsBtn")[0];
    var settingsClose = document.getElementsByClassName("close");
    var settingsSubmit = document.getElementById("settingsSubmit");
    var saveBtn = document.getElementById("saveBtn");

    cloneBtn.addEventListener("click", this.cloneRep.bind(this));
    purgeBtn.addEventListener("click", this.wipeFS.bind(this));
    settingsBtn.addEventListener(
      "click",
      this.view.openSettings.bind(this.view)
    );
    for (let i = 0; i < settingsClose.length; i++) {
      settingsClose[i].addEventListener(
        "click",
        this.view.closeSettings.bind(this)
      );
    }
    settingsSubmit.addEventListener("click", this.saveSettings.bind(this));
    this.view.simplemde.codemirror.on("change", this.saveButton.bind(this));
    saveBtn.addEventListener("click", this.saveFile.bind(this));
  }

  saveButton() {
    var textArea = this.view.simplemde;

    this.view.showSaveButton(textArea.value() == this.openedFileValue);
  }

  wipeFS() {
    this.model.wipeFS();
    //window.location.reload();
    this.redrawDirTree(this.view);
  }

  cloneRep() {
    var loading = document.getElementsByClassName("loading")[0];
    loading.style.display = "grid";
    this.model.cloneRep().then(
      function (value) {
        loading.style.removeProperty("display");
        this.redrawDirTree(this.view);
      }.bind(this),
      function (error) {
        console.log(error);
      }
    );
  }

  pullRep() {
    var loading = document.getElementsByClassName("loading")[0];
    loading.style.display = "grid";
    this.model.pullRep().then(
      function (value) {
        loading.style.removeProperty("display");
        this.redrawDirTree(this.view);
      }.bind(this),
      function (error) {
        console.log(error);
      }
    );
  }

  redrawDirTree(view) {
    this.model.getDirTree().then(
      function (value) {
        view.removeDirTree();
        view.drawDirTree(value, undefined, this);
        view.dirTreeToggler();
        this.updateFileStats();
      }.bind(this),
      function (error) {
        console.log(error);
      }
    );
  }

  updateFileStats() {
    this.model.getGitStatusTree().then(
      function (value) {
        this.view.statDirTree(value, undefined);
      }.bind(this),
      function (error) {
        console.log(error);
      }
    );
  }

  saveSettings() {
    let repo = document.getElementById("inputRepository");
    let baseDir = document.getElementById("inputBaseDir");
    let name = document.getElementById("inputName");
    let email = document.getElementById("inputEmail");

    let oldRepoURL = localStorage.getItem("repo");
    this.model.setRepo(repo.value);
    this.model.setBaseDir(baseDir.value);
    this.model.setName(name.value);
    this.model.setEmail(email.value);

    if (repo.value == "" || name.value == "" || email.value == "") {
      this.view.openSettings();
      return;
    }

    if (repo.value != oldRepoURL) {
      // udělej clone
      this.cloneRep();
    } else {
      // udelej jenom pull
      this.pullRep();
    }
    this.view.closeSettings();
  }

  loadFile(file) {
    this.openedFile = file;
    this.model.readFile(file).then(
      function (value) {
        this.openedFileValue = value;
        this.view.openFile(value);
      }.bind(this),
      function (error) {
        console.log(error);
      }
    );
  }

  saveFile() {
    var textArea = this.view.simplemde;
    this.model.saveFile(this.openedFile, textArea.value());
    this.openedFileValue = textArea.value();
    this.saveButton();

    this.updateFileStats();
  }
}