package entity

import (
	"testing"
	"time"

	"github.com/photoprism/photoprism/pkg/fs"
	"github.com/stretchr/testify/assert"
)

func TestFirstFileByHash(t *testing.T) {
	t.Run("not existing file", func(t *testing.T) {
		f, err := FirstFileByHash("xxx")
		assert.Equal(t, "record not found", err.Error())
		assert.Equal(t, uint(0), f.ID)
	})
	t.Run("existing file", func(t *testing.T) {
		f, err := FirstFileByHash("2cad9168fa6acc5c5c2965ddf6ec465ca42fd818")
		if err != nil {
			t.Fatal(err)
		}
		assert.Equal(t, uint(0xf4240), f.ID)
	})
}

func TestFile_ShareFileName(t *testing.T) {
	t.Run("photo with title", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: "Berlin / Morning Mood"}
		file := &File{Photo: photo, FileType: "jpg", FileUID: "foobar345678765", FileHash: "e98eb86480a72bd585d228a709f0622f90e86cbc"}

		filename := file.ShareFileName()

		assert.Contains(t, filename, "20190115-000000-Berlin-Morning-Mood")
		assert.Contains(t, filename, fs.JpegExt)
	})
	t.Run("photo without title", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: ""}
		file := &File{Photo: photo, FileType: "jpg", PhotoUID: "123", FileUID: "foobar345678765", FileHash: "e98eb86480a72bd585d228a709f0622f90e86cbc"}

		filename := file.ShareFileName()

		assert.Equal(t, filename, "e98eb86480a72bd585d228a709f0622f90e86cbc.jpg")
	})
	t.Run("photo without photo", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileUID: "foobar345678765", FileHash: "e98eb86480a72bd585d228a709f0622f90e86cbc"}

		filename := file.ShareFileName()

		assert.Equal(t, "e98eb86480a72bd585d228a709f0622f90e86cbc.jpg", filename)
	})
	t.Run("file hash < 8", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: "Berlin / Morning Mood"}

		file := &File{Photo: photo, FileType: "jpg", FileUID: "foobar345678765", FileHash: "e98"}

		filename := file.ShareFileName()

		assert.NotContains(t, filename, "20190115-000000-Berlin-Morning-Mood")
	})
	t.Run("no file uid", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileHash: "e98ijhyt"}

		filename := file.ShareFileName()

		assert.Equal(t, filename, "e98ijhyt.jpg")
	})
}

func TestFile_Changed(t *testing.T) {
	var deletedAt = time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)
	t.Run("different modified times", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 500, FileModified: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)}
		time := time.Date(2020, 01, 15, 0, 0, 0, 0, time.UTC)
		assert.Equal(t, true, file.Changed(500, time))
	})
	t.Run("different sizes", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 600, FileModified: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)}
		time := time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)
		assert.Equal(t, true, file.Changed(500, time))
	})
	t.Run("no change", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 500, FileModified: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)}
		time := time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)
		assert.Equal(t, false, file.Changed(500, time))
	})
	t.Run("deleted", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 500, FileModified: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), DeletedAt: &deletedAt}
		time := time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)
		assert.Equal(t, true, file.Changed(500, time))
	})
}

func TestFile_Create(t *testing.T) {
	t.Run("photo id == 0", func(t *testing.T) {
		file := File{PhotoID: 0}

		assert.Error(t, file.Create())
	})
	t.Run("file already exists", func(t *testing.T) {
		file := &File{PhotoID: 123, FileType: "jpg", FileSize: 500, FileModified: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)}
		file.Create()
		assert.Error(t, file.Create())
	})
	t.Run("success", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: "Berlin / Morning Mood"}

		file := &File{Photo: photo, FileType: "jpg", FileSize: 500, PhotoID: 766, FileName: "testname", FileRoot: "xyz"}

		err := file.Create()

		if err != nil {
			t.Fatal(err)
		}
	})
}

func TestFile_Purge(t *testing.T) {
	t.Run("success", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 500}
		assert.Equal(t, nil, file.Purge())
	})
}

func TestFile_AllFilesMissing(t *testing.T) {
	t.Run("true", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: ""}
		file := &File{Photo: photo, FileType: "jpg", PhotoUID: "123", FileUID: "123", FileMissing: true}
		file2 := &File{Photo: photo, FileType: "jpg", PhotoUID: "123", FileUID: "456", FileMissing: true}
		assert.True(t, file.AllFilesMissing())
		assert.NotEmpty(t, file2)
	})
	//TODO test false
	/*t.Run("false", func(t *testing.T) {
		file := FileFixturesExampleJPG
		assert.False(t, file.AllFilesMissing())
		assert.NotEmpty(t, file)
	})*/
}

func TestFile_Save(t *testing.T) {
	t.Run("save without photo", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", PhotoUID: "123", FileUID: "123"}
		err := file.Save()

		if err == nil {
			t.Fatal("error should not be nil")
		}

		if file.ID != 0 {
			t.Fatalf("file id should be 0: %d", file.ID)
		}

		assert.Equal(t, "file: photo id must not be empty (save 123)", err.Error())
	})
	t.Run("success", func(t *testing.T) {
		photo := &Photo{TakenAtLocal: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC), PhotoTitle: "Berlin / Morning Mood"}

		file := &File{Photo: photo, FileType: "jpg", FileSize: 500, PhotoID: 766, FileName: "Food", FileRoot: "", UpdatedAt: time.Date(2019, 01, 15, 0, 0, 0, 0, time.UTC)}

		err := file.Save()

		if err != nil {
			t.Fatal(err)
		}
	})
}

func TestFile_UpdateVideoInfos(t *testing.T) {
	t.Run("success", func(t *testing.T) {
		file := &File{FileType: "jpg", FileWidth: 600, FileName: "VideoUpdate", PhotoID: 1000003}

		assert.Equal(t, "bridge.mp4", FileFixturesExampleBridgeVideo.FileName)
		assert.Equal(t, int(1200), FileFixturesExampleBridgeVideo.FileWidth)

		err := file.UpdateVideoInfos()

		if err != nil {
			t.Fatal(err)
		}

		var files Files

		if err := Db().Where("photo_id = ? AND file_video = 1", file.PhotoID).Find(&files).Error; err != nil {
			t.Fatal(err)
		}

		assert.Len(t, files, 1)

		for _, f := range files {
			assert.Equal(t, "bridge.mp4", f.FileName)
			assert.Equal(t, int(600), f.FileWidth)
		}
	})
}

func TestFile_Update(t *testing.T) {
	t.Run("success", func(t *testing.T) {
		file := &File{FileType: "jpg", FileSize: 500, FileName: "ToBeUpdated", FileRoot: "", PhotoID: 5678}

		err := file.Save()

		if err != nil {
			t.Fatal(err)
		}

		assert.Equal(t, "ToBeUpdated", file.FileName)

		err2 := file.Update("FileName", "Happy")

		if err2 != nil {
			t.Fatal(err2)
		}
		assert.Equal(t, "Happy", file.FileName)
	})
}

func TestFile_Links(t *testing.T) {
	t.Run("1 result", func(t *testing.T) {
		file := FileFixturesExampleBridge
		links := file.Links()
		assert.Equal(t, "5jxf3jfn2k", links[0].LinkToken)
	})
}

func TestFile_NoJPEG(t *testing.T) {
	t.Run("false", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "jpg", FileSize: 500}
		assert.False(t, file.NoJPEG())
	})
	t.Run("tre", func(t *testing.T) {
		file := &File{Photo: nil, FileType: "xmp", FileSize: 500}
		assert.True(t, file.NoJPEG())
	})
}