// Reducer function

"use strict";

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

var todos = function todos(state, action) {
  if (state === undefined) state = [];

  switch (action.type) {
    case "ADD_TODO":
      return [].concat(_toConsumableArray(state), [{
        id: action.id,
        text: action.text,
        completed: false
      }]);

    case "TOGGLE_TODO":
      return state.map(function (todo) {

        if (todo.id !== action.id) {
          return todo;
        }

        return _extends({}, todo, {
          completed: !todo.completed
        });
      });

    default:
      return state;
  }
};

var testAddTodo = function testAddTodo() {

  var stateBefore = [];

  var action = {
    type: "ADD_TODO",
    id: 0,
    text: "Learn Redux"
  };

  var stateAfter = [{
    id: 0,
    text: "Learn Redux",
    completed: false
  }];

  deepFreeze(stateBefore);
  deepFreeze(action);

  expect(todos(stateBefore, action)).toEqual(stateAfter);

  //console.log(todos (stateBefore, action));
};

var testToggleTodo = function testToggleTodo() {

  var stateBefore = [{
    id: 0,
    text: "Learn Redux",
    completed: false
  }, {
    id: 1,
    text: "Epic Redux",
    completed: false
  }];

  var action = {
    type: "TOGGLE_TODO",
    id: 1
  };

  var stateAfter = [{
    id: 0,
    text: "Learn Redux",
    completed: false
  }, {
    id: 1,
    text: "Epic Redux",
    completed: true
  }];

  deepFreeze(stateBefore);
  deepFreeze(action);

  expect(todos(stateBefore, action)).toEqual(stateAfter);
};

testAddTodo();
testToggleTodo();
console.log("Test Passed");