"use strict";

var vm = require('vm');
var fs = require('fs');
var assert = require('assert');

var wtu = require('./workertestutils.js'); // loads localStorage
global.localforage = require("lib/localforage.min.js");
var util = require("gen/common/util.js");
var prj = require("gen/ide/project.js");

var test_platform_id = "_TEST";

function newFilesystem(store, platform_id) {
  return new prj.OverlayFilesystem(
    new prj.NullFilesystem(),
    new prj.LocalForageFilesystem(store));
}

describe('Store', function () {

  it('Should load local project', function (done) {
    var store = prj.createNewPersistentStore(test_platform_id);
    store.setItem('local/test', 'a');
    var worker = {};
    var platform = {};
    var project = new prj.CodeProject(worker, test_platform_id, platform, newFilesystem(store, test_platform_id));
    project.loadFiles(['local/test', 'test']).then((result) => {
      assert.deepEqual(["test"], project.filesystem.basefs.gets);
      assert.deepEqual([{ path: 'local/test', filename: 'local/test', data: 'a', link: true }], result);
      done();
    });
  });

  it('Should build linked project', function (done) {
    var msgs = [];
    var expectmsgs = [
      true,
      { preload: 'dasm', platform: '_TEST' },
      {
        buildsteps: [
          { path: "test.a", platform: "_TEST", tool: "dasm", mainfile: true, files: ["test.a"] },
        ],
        updates: [
          { path: "test.a", data: " lda #0" }
        ]
      }
    ];
    var store = prj.createNewPersistentStore(test_platform_id);
    var worker = {
      postMessage: function (m) { msgs.push(m); },
    };
    var platform = {
      getToolForFilename: function (fn) { return 'dasm'; },
    };
    var project = new prj.CodeProject(worker, test_platform_id, platform, newFilesystem(store, test_platform_id));
    project.callbackBuildStatus = function (b) { msgs.push(b) };
    project.callbackBuildResult = function (b) { msgs.push(1) };
    project.updateFile('test.a', ' lda #0');
    project.setMainFile('test.a');
    setTimeout(() => {
      project.updateFile('test.a', ' lda #1'); // don't send twice (yet)
      assert.deepEqual(msgs, expectmsgs);
      store.getItem('test.a', function (err, result) {
        assert.equal(null, err);
        assert.equal(' lda #1', result);
        done();
      });
    }, 1);
  });

  // lines: [ { line: 3, offset: 61440, insns: 'a9 00', iscode: true } ] }

  it('Should build asm project', function (done) {
    var msgs = [];
    var store = prj.createNewPersistentStore(test_platform_id);
    var worker = {
    };
    var platform = {
    };
    var project = new prj.CodeProject(worker, test_platform_id, platform, newFilesystem(store, test_platform_id));
    project.callbackBuildStatus = function (b) { msgs.push(b) };
    project.callbackBuildResult = function (b) { msgs.push(1) };
    var buildresult = {
      listings: {
        test: {
          lines: [{ line: 3, offset: 61440, insns: 'a9 00', iscode: true }]
        }
      }
    };
    worker.onmessage({ data: buildresult });
    assert.deepEqual([false, 1], msgs);
    var lst = buildresult.listings.test;
    console.log(lst);
    assert.deepEqual({ line: 3, offset: 61440, insns: 'a9 00', iscode: true },
      lst.sourcefile.findLineForOffset(61440 + 15, 15));
    assert.equal(null, lst.sourcefile.findLineForOffset(61440 + 16, 15));
    assert.equal(null, lst.sourcefile.findLineForOffset(61440 + 1, 0));
    assert.equal(null, lst.sourcefile.findLineForOffset(61440 - 1, 16));
    assert.equal(1, lst.sourcefile.lineCount());
    done();
  });

});