using NUnit.Framework;
using System;
using TINK.Model;

namespace TestTINKLib.Fixtures.ObjectTests
{
    [TestFixture]
    public class TestWhatsNew
    {
        [Test]
        public void TestIsShowRequired_CleanInstall()
        {
            Assert.IsFalse(new WhatsNew(
                new Version(2, 4), /* Current version */
                null, // last version
                null               /* Whats new was never shown */ ).IsShowRequired);
        }

        [Test]
        public void TestIsShowRequired_Update_VersionWhichSupporsWhatsNew()
        {
            Assert.IsTrue(
                new WhatsNew(
                    new Version(2, 5), /* Current version */
                    new Version(2, 3), /* last version */
                    new Version(2, 1)  /* Version when whats new was shown */ ).IsShowRequired,
                "If whats new was last shonw for version 2.1 and current version is 2.5 info must be shown");
        }


        [Test]
        public void TestIsShowRequired_Update_VersionWithoutWhatsNew()
        {
            Assert.IsTrue(
                new WhatsNew(
                    new Version(2, 5), /* Current version */
                    new Version(2, 3), /* last version */
                    null  /* Whats new was never shown */ ).IsShowRequired,
                "If whats new was never shown but last version was 2.3 (not clean install) info must be shown");
        }

        [Test]
        public void TestIsShowRequired_False()
        {
            Assert.IsFalse(
                new WhatsNew(new Version(2, 5), new Version(2, 5), new Version(2, 5)).IsShowRequired,
                "Whats new must never be presented twice.");
        }

        [Test]
        public void TestIsShowRequired_False_Errors()
        {
            Assert.IsFalse(new WhatsNew(null, new Version(2,6),  new Version(2, 5)).IsShowRequired);
            Assert.IsFalse(new WhatsNew(new Version(2, 6), null, new Version(2, 5)).IsShowRequired);
            Assert.IsFalse(new WhatsNew(null, null, new Version(2, 5)).IsShowRequired);
        }

        [Test]
        public void TestWhatsNewText_MajorUpdate()
        {
            Assert.AreEqual(
                "<p><b>3.0.0.115</b><br/>Benutzeroberfläche verbessert.\r\n\r\n" +
                "</p><p><b>3.0.120</b><br/>Verbesserung: Keine Fehler mehr beim schnellen Tippen.\r\nOfflineanzeige Stationen/ Räderinfo.\r\n\r\n</p>",
                new WhatsNew(new Version(3, 0, 120), new Version(3, 0, 0, 114), new Version(3, 0, 0, 114)).WhatsNewText,
                "Current version is 30.0.120, last whats new was shown in version 3.0.0.114: Two changes to be notified about.");
        }

        [Test]
        public void TestWhatsNewText_MinorUpdate()
        {
            Assert.AreEqual(
                "<p><b>3.0.120</b><br/>Verbesserung: Keine Fehler mehr beim schnellen Tippen.\r\nOfflineanzeige Stationen/ Räderinfo.\r\n\r\n</p>",
                new WhatsNew(new Version(3, 0, 120), new Version(3, 0, 0, 115), new Version(3, 0, 0, 115)).WhatsNewText);
        }
    }
}