package exif

import (
	"fmt"
	"testing"
	"time"

	"github.com/dsoprea/go-logging"
)

func TestParseExifFullTimestamp(t *testing.T) {
	timestamp, err := ParseExifFullTimestamp("2018:11:30 13:01:49")
	log.PanicIf(err)

	actual := timestamp.Format(time.RFC3339)
	expected := "2018-11-30T13:01:49Z"

	if actual != expected {
		t.Fatalf("time not formatted correctly: [%s] != [%s]", actual, expected)
	}
}

func TestExifFullTimestampString(t *testing.T) {
	originalPhrase := "2018:11:30 13:01:49"

	timestamp, err := ParseExifFullTimestamp(originalPhrase)
	log.PanicIf(err)

	restoredPhrase := ExifFullTimestampString(timestamp)
	if restoredPhrase != originalPhrase {
		t.Fatalf("Final phrase [%s] does not equal original phrase [%s]", restoredPhrase, originalPhrase)
	}
}

func ExampleParseExifFullTimestamp() {
	originalPhrase := "2018:11:30 13:01:49"

	timestamp, err := ParseExifFullTimestamp(originalPhrase)
	log.PanicIf(err)

	fmt.Printf("To Go timestamp: [%s]\n", timestamp.Format(time.RFC3339))

	// Output:
	// To Go timestamp: [2018-11-30T13:01:49Z]
}

func ExampleExifFullTimestampString() {
	originalPhrase := "2018:11:30 13:01:49"

	timestamp, err := ParseExifFullTimestamp(originalPhrase)
	log.PanicIf(err)

	restoredPhrase := ExifFullTimestampString(timestamp)
	fmt.Printf("To EXIF timestamp: [%s]\n", restoredPhrase)

	// Output:
	// To EXIF timestamp: [2018:11:30 13:01:49]
}

func TestGpsDegreesEquals_Equals(t *testing.T) {
	gi := GpsDegrees{
		Orientation: 'A',
		Degrees:     11.0,
		Minutes:     22.0,
		Seconds:     33.0,
	}

	r := GpsDegreesEquals(gi, gi)
	if r != true {
		t.Fatalf("GpsDegrees structs were not equal as expected.")
	}
}

func TestGpsDegreesEquals_NotEqual_Orientation(t *testing.T) {
	gi1 := GpsDegrees{
		Orientation: 'A',
		Degrees:     11.0,
		Minutes:     22.0,
		Seconds:     33.0,
	}

	gi2 := gi1
	gi2.Orientation = 'B'

	r := GpsDegreesEquals(gi1, gi2)
	if r != false {
		t.Fatalf("GpsDegrees structs were equal but not supposed to be.")
	}
}

func TestGpsDegreesEquals_NotEqual_Position(t *testing.T) {
	gi1 := GpsDegrees{
		Orientation: 'A',
		Degrees:     11.0,
		Minutes:     22.0,
		Seconds:     33.0,
	}

	gi2 := gi1
	gi2.Minutes = 22.5

	r := GpsDegreesEquals(gi1, gi2)
	if r != false {
		t.Fatalf("GpsDegrees structs were equal but not supposed to be.")
	}
}