package webserver

import (
	"fmt"
	"testing"
	"time"

	data "git.martyn.berlin/martyn/twitchsingstools/internal/data"
)

func TestDateRegex(t *testing.T) {
	var sourceValue videoStruct
	sourceValue.Title = "Duet with FullOfEmily: Words Fail"
	sourceValue.CreatedAt = "2018-03-02T20:53:41Z"
	convert, err := twitchVidToSingsVid(sourceValue)
	if err != nil {
		t.Errorf("twitchVidToSingsVid threw error : %s\n", err.Error())
	}
	fmt.Printf("Testing Video date '%s'\n", sourceValue.CreatedAt)
	if convert.Date.Format(time.RFC1123Z) != "Fri, 02 Mar 2018 20:53:41 +0000" {
		t.Errorf("%s should give Date of %s, gave '%s'\n", sourceValue.CreatedAt, "Fri, 02 Mar 2018 20:53:41 +0000", convert.Date.Format(time.RFC1123Z))
	} else {
		fmt.Printf("Parsed date is %s\n", convert.Date.Format(time.RFC1123Z))
	}
}

func TestDuetRegexes(t *testing.T) {
	var sourceValue videoStruct
	sourceValue.Title = "Duet with FullOfEmily: Words Fail"
	sourceValue.CreatedAt = "2018-03-02T20:53:41Z"
	convert, err := twitchVidToSingsVid(sourceValue)
	fmt.Printf("Testing Video title '%s'\n", sourceValue.Title)
	if err != nil {
		t.Errorf("twitchVidToSingsVid threw error : %s\n", err.Error())
	}
	if convert.SongTitle != "Words Fail" {
		t.Errorf("%s should give Title %s, gave '%s'\n", sourceValue.Title, "Words Fail", convert.SongTitle)
	} else {
		fmt.Printf("Song Title is '%s'\n", convert.SongTitle)
	}
	if convert.OtherSinger != "FullOfEmily" {
		t.Errorf("%s should give Other Singer of %s, gave '%s'\n", sourceValue.Title, "FullOfEmily", convert.OtherSinger)
	} else {
		fmt.Printf("Other Singer is '%s'\n", convert.OtherSinger)
	}
	if !convert.Duet {
		t.Errorf("%s should be reported as Duet, returned false\n", sourceValue.Title)
	} else {
		fmt.Println("Correctly seen as Duet")
	}
}

func TestSoloRegexes(t *testing.T) {
	var sourceValue videoStruct
	sourceValue.Title = "Solo performance: Freedom! '90 x Cups"
	sourceValue.CreatedAt = "2018-03-02T20:53:41Z"
	convert, err := twitchVidToSingsVid(sourceValue)
	fmt.Printf("Testing Video title '%s'\n", sourceValue.Title)
	if err != nil {
		t.Errorf("twitchVidToSingsVid threw error : %s\n", err.Error())
	}
	if convert.SongTitle != "Freedom! '90 x Cups" {
		t.Errorf("%s should give Title %s, gave '%s'\n", sourceValue.Title, "Freedom! '90 x Cups", convert.SongTitle)
	} else {
		fmt.Printf("Song Title is '%s'\n", convert.SongTitle)
	}
	if convert.Duet {
		t.Errorf("%s should be reported as Not a Duet, returned true!\n", sourceValue.Title)
	} else {
		fmt.Println("Correctly seen as Solo performance")
	}
}

func TestCalculatedDates(t *testing.T) {
	var record data.SingsVideoStruct
	format := "2006-01-02 15:04:05 +0000 UTC"
	var mockCache []data.SingsVideoStruct
	record.Date, _ = time.Parse(format, "2020-07-13 19:43:11 +0000 UTC")
	record.SongTitle = "Words Fail"
	record.OtherSinger = "FullOfEmily"
	record.Duet = true
	mockCache = append(mockCache, record)
	//2020-07-13 19:43:11 +0000 UTC	Words Fail	FullOfEmily
	record.Date, _ = time.Parse(format, "2020-07-13 19:20:27 +0000 UTC")
	record.SongTitle = "Only Us"
	record.OtherSinger = "PrincessPashley"
	record.Duet = true
	mockCache = append(mockCache, record)
	//2020-07-13 19:20:27 +0000 UTC	Only Us	PrincessPashley
	record.Date, _ = time.Parse(format, "2020-07-11 16:20:57 +0000 UTC")
	record.SongTitle = "Words Fail"
	record.OtherSinger = "springfanS"
	record.Duet = true
	mockCache = append(mockCache, record)
	//2020-07-11 16:20:57 +0000 UTC	Words Fail	springfanS
	record.Date, _ = time.Parse(format, "2020-06-06 17:00:00 +0000 UTC")
	record.SongTitle = "Don't Speak"
	record.OtherSinger = "PrincessPashley"
	record.Duet = true
	mockCache = append(mockCache, record)
	//2020-06-06 17:00:00 +0000 UTC	Don't Speak	PrincessPashley

	// First test, only sung once with this person
	testPerson := "FullOfEmily"
	testDate, _ := time.Parse(format, "2020-07-13 19:43:11 +0000 UTC")
	checker := calculateLastSungSingerDate(mockCache, testPerson)
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testPerson)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing with %s was %v\n", testPerson, testDate)
		} else {
			t.Errorf("[functional test] Expected to have last sung with %s on %v, found %v", testPerson, testDate, checker)
		}
	}

	// Second test, sang more than once with this person
	testPerson = "PrincessPashley"
	testDate, _ = time.Parse(format, "2020-07-13 19:20:27 +0000 UTC")
	checker = calculateLastSungSingerDate(mockCache, testPerson)
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testPerson)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing with %s was %v\n", testPerson, testDate)
		} else {
			t.Errorf("[functional test] Expected to have last sung with %s on %v, found %v", testPerson, testDate, checker)
		}
	}

	updateCalculatedFields(mockCache)

	// Test for full cache - same as first test
	testRecord := mockCache[0]
	testPerson = testRecord.OtherSinger
	testDate = mockCache[0].Date
	if testRecord.LastSungSinger.IsZero() {
		t.Errorf("[full cache test] There is a record in the cache for %s, but we got zero from the check!\n", testPerson)
	} else {
		if testRecord.LastSungSinger.Equal(testDate) {
			fmt.Printf("[full cache test] Correctly assertained last sing with %s was %v\n", testPerson, testDate)
		} else {
			t.Errorf("[full cache test] Expected to have last sung with %s on %v, found %v", testPerson, testDate, testRecord.LastSungSinger)
		}
	}

	// Test for full cache - same as second test
	testRecord = mockCache[1]
	testPerson = testRecord.OtherSinger
	testDate = mockCache[1].Date
	if testRecord.LastSungSinger.IsZero() {
		t.Errorf("[full cache test - 2nd hit] There is a record in the cache for %s, but we got zero from the check!\n", testPerson)
	} else {
		if testRecord.LastSungSinger.Equal(testDate) {
			fmt.Printf("[full cache test - 2nd hit] Correctly assertained last sing with %s was %v\n", testPerson, testDate)
		} else {
			t.Errorf("[full cache test - 2nd hit] Expected to have last sung with %s on %v, found %v", testPerson, testDate, testRecord.LastSungSinger)
		}
	}

	// Test for full cache - should give same date as 2nd test, but with record of earlier sing.
	testRecord = mockCache[3]
	testPerson = testRecord.OtherSinger
	testDate = mockCache[1].Date
	if testRecord.LastSungSinger.IsZero() {
		t.Errorf("[full cache test - 3rd hit] There is a record in the cache for %s, but we got zero from the check!\n", testPerson)
	} else {
		if testRecord.LastSungSinger.Equal(testDate) {
			fmt.Printf("[full cache test - 3rd hit] Correctly assertained last sing with %s was %v\n", testPerson, testDate)
		} else {
			t.Errorf("[full cache test - 3rd hit] Expected to have last sung with %s on %v, found %v", testPerson, testDate, testRecord.LastSungSinger)
		}
	}

	// First song test, only sung this song once
	testSong := mockCache[1].SongTitle
	testDate = mockCache[1].Date
	checker = calculateLastSungSongDate(mockCache, testSong)
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testSong)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing of %s was %v\n", testPerson, testSong)
		} else {
			t.Errorf("[functional test] Expected to have last sing of %s on %v, found %v", testPerson, testSong, checker)
		}
	}

	// Same check, but against the cache
	testSong = mockCache[1].SongTitle
	testDate = mockCache[1].Date
	checker = mockCache[1].LastSungSong
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testSong)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing of %s was %v\n", testSong, testDate)
		} else {
			t.Errorf("[functional test] Expected to have last sing of %s on %v, found %v", testSong, testDate, checker)
		}
	}

	// Second song test, this time we expect the latest sing to match
	testSong = mockCache[2].SongTitle
	testDate = mockCache[0].Date
	checker = calculateLastSungSongDate(mockCache, testSong)
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testSong)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing of %s was %v\n", testSong, testDate)
		} else {
			t.Errorf("[functional test] Expected to have last sing of %s on %v, found %v", testSong, testDate, checker)
		}
	}

	// Now check cache for same as above
	testSong = mockCache[2].SongTitle
	testDate = mockCache[0].Date
	checker = mockCache[2].LastSungSong
	if checker.IsZero() {
		t.Errorf("[functional test] There is a record in the cache for %s, but we got zero from the check!\n", testSong)
	} else {
		if checker.Equal(testDate) {
			fmt.Printf("[functional test] Correctly assertained last sing of %s was %v\n", testSong, testDate)
		} else {
			t.Errorf("[functional test] Expected to have last sing of %s on %v, found %v", testSong, testDate, checker)
		}
	}
}

// func TestHumanDate(t *testing.T) {
// 	format := "2006-01-02 15:04:05 +0000 UTC"
// 	d, _ := time.Parse(format, "2020-06-06 17:00:00 +0000 UTC")
// 	t.Errorf("%v\n", humanize.Time(d))
// 	t.Errorf("%v\n", humanTimeFromTimeString("2020-07-11 16:20:57 +0000 UTC"))

// }