'use strict';

var main = require('../package.json').main;
var schedule = require('../' + main);
var sinon = require('sinon');
var clock;

// 12:30:15 pm Thursday 29 April 2010 in the timezone this code is being run in
var base = new Date(2010, 3, 29, 12, 30, 15, 0);
var baseMs = base.getTime();

module.exports = {
  "setUp": function(cb) {
    clock = sinon.useFakeTimers(baseMs);
    cb();
  },
  "tearDown": function(cb) {
    clock.restore();
    cb();
  },
  "#nextInvocationDate(Date)": {
    "next second": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = null;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 12, 30, 16, 0), next);
      test.done();
    },
    "next 25th second": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = 25;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 12, 30, 25, 0), next);
      test.done();
    },
    "next 5th second (minutes incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = 5;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 12, 31, 5, 0), next);
      test.done();
    },
    "next 40th minute": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.minute = 40;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 12, 40, 0, 0), next);
      test.done();
    },
    "next 1st minute (hours incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.minute = 1;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 13, 1, 0, 0), next);
      test.done();
    },
    "next 23rd hour": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.hour = 23;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 29, 23, 0, 0, 0), next);
      test.done();
    },
    "next 3rd hour (days incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.hour = 3;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 30, 3, 0, 0, 0), next);
      test.done();
    },
    "next Friday": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.dayOfWeek = 5;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 30, 0, 0, 0, 0), next);
      test.done();
    },
    "next Monday (months incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.dayOfWeek = 1;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 4, 3, 0, 0, 0, 0), next);
      test.done();
    },
    "next 30th date": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.date = 30;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 30, 0, 0, 0, 0), next);
      test.done();
    },
    "next 5th date (months incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.date = 5;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 4, 5, 0, 0, 0, 0), next);
      test.done();
    },
    "next October": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.month = 9;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 9, 1, 0, 0, 0, 0), next);
      test.done();
    },
    "next February (years incremented)": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.month = 1;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2011, 1, 1, 0, 0, 0, 0), next);
      test.done();
    },
    "in the year 2040": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.year = 2040;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2040, 0, 1, 0, 0, 0, 0), next);
      test.done();
    },
    "using past year": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.year = 2000;

      var next = rule.nextInvocationDate(base);

      test.equal(null, next);
      test.done();
    },
    "using mixed time components": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = 50;
      rule.minute = 5;
      rule.hour = 10;

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 30, 10, 5, 50, 0), next);
      test.done();
    },
    /*
    "using date and dayOfWeek together": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.dayOfWeek = 4; // This is Thursday April 1st
      rule.date = 10;   // This is Saturday April 10th

      var next = rule.nextInvocationDate(base);

      test.deepEqual(new Date(2010, 3, 1, 0, 0, 0, 0), next);
      test.done();
    }*/
    "returns null when no invocations left": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.year = 2000;

      var next = rule.nextInvocationDate(base);

      test.strictEqual(null, next);
      test.done();
    },
    "specify span of components using Range": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.minute = new schedule.Range(4, 6);

      var next;

      next = rule.nextInvocationDate(base);
      test.deepEqual(new Date(2010, 3, 29, 13, 4, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 5, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 6, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 14, 4, 0, 0), next);

      test.done();
    },
    "specify intervals within span of components using Range with step": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.minute = new schedule.Range(4, 8, 2);

      var next;

      next = rule.nextInvocationDate(base);
      test.deepEqual(new Date(2010, 3, 29, 13, 4, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 6, 0, 0), next);

      /* Should Range stay inclusive on both ends when step > 1
      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 8, 0, 0), next);
      */

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 14, 4, 0, 0), next);

      test.done();
    },
    "specify span and explicit components using Array of Ranges and Numbers": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.minute = [2, new schedule.Range(4, 6)];

      var next;

      next = rule.nextInvocationDate(base);
      test.deepEqual(new Date(2010, 3, 29, 13, 2, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 4, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 5, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 13, 6, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2010, 3, 29, 14, 2, 0, 0), next);

      test.done();
    },
    "From 31th May schedule the 1st of every June": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = 0;
      rule.minute = 0;
      rule.hour = 0;
      rule.date = 1;
      rule.month = 5;

      var next;
      var base1 = new Date(2010, 4, 31, 12, 30, 15, 0);

      next = rule.nextInvocationDate(base1);
      test.deepEqual(new Date(2010, 5, 1, 0, 0, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.deepEqual(new Date(2011, 5, 1, 0, 0, 0, 0), next);

      test.done();
    },
    "With the year set should not loop indefinetely": function(test) {
      var rule = new schedule.RecurrenceRule();
      rule.second = 0;
      rule.minute = 0;
      rule.hour = 0;
      rule.date = 1;
      rule.month = 5;
      rule.year = 2010;

      var next;
      var base1 = new Date(2010, 4, 31, 12, 30, 15, 0);

      next = rule.nextInvocationDate(base1);
      test.deepEqual(new Date(2010, 5, 1, 0, 0, 0, 0), next);

      next = rule.nextInvocationDate(next);
      test.equal(next, null);

      test.done();
    }
  }
};