package postgres

import (
	"context"
	"fmt"
	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
	"git.dragse.it/anthrove/otter-space-sdk/test"
	"gorm.io/gorm"
	"reflect"
	"testing"
)

func TestCreateUser(t *testing.T) {
	// Setup trow away container
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthroveUserID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
			},
			wantErr: false,
		},
		{
			name: "Test 2: Invalid AnthroveUserID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := CreateUser(tt.args.ctx, tt.args.db, tt.args.anthroveUserID); (err != nil) != tt.wantErr {
				t.Errorf("CreateUser() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestCreateUserNodeWithSourceRelation(t *testing.T) {
	// Setup trow away container
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	source := &models.Source{
		BaseModel: models.BaseModel[models.AnthroveSourceID]{
			ID: models.AnthroveSourceID(fmt.Sprintf("%025s", "1")),
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "icon.e621.net",
	}
	err = CreateSource(ctx, gormDB, source)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
		sourceID       models.AnthroveSourceID
		userID         string
		username       string
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid anthroveUserID, sourceID, userID, username",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       source.ID,
				userID:         "e1",
				username:       "marius",
			},
			wantErr: false,
		},
		{
			name: "Test 2: Invalid anthroveUserID, valid sourceID, userID, username",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "2",
				sourceID:       source.ID,
				userID:         "e1",
				username:       "marius",
			},
			wantErr: true,
		},
		{
			name: "Test 3: Empty anthroveUserID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "",
				sourceID:       source.ID,
				userID:         "e1",
				username:       "marius",
			},
			wantErr: true,
		},
		{
			name: "Test 4: invalid sourceID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       "fa.net",
				userID:         "e1",
				username:       "marius",
			},
			wantErr: true,
		},
		{
			name: "Test 5: no userID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       source.ID,
				userID:         "",
				username:       "marius",
			},
			wantErr: true,
		},
		{
			name: "Test 6: no username",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       source.ID,
				userID:         "aa",
				username:       "",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := CreateUserWithRelationToSource(tt.args.ctx, tt.args.db, tt.args.anthroveUserID, tt.args.sourceID, tt.args.userID, tt.args.username); (err != nil) != tt.wantErr {
				t.Errorf("CreateUserWithRelationToSource() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func TestGetAllAnthroveUserIDs(t *testing.T) {
	// Setup trow away container
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	users := []models.AnthroveUserID{"1", "2", "3"}

	for _, user := range users {
		err = CreateUser(ctx, gormDB, user)
		if err != nil {
			t.Fatal(err)
		}
	}

	// Test
	type args struct {
		ctx context.Context
		db  *gorm.DB
	}
	tests := []struct {
		name    string
		args    args
		want    []models.AnthroveUserID
		wantErr bool
	}{
		{
			name: "Test 1: Get Data",
			args: args{
				ctx: ctx,
				db:  gormDB,
			},
			want:    users,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetAllAnthroveUserIDs(tt.args.ctx, tt.args.db)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetAllAnthroveUserIDs() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetAllAnthroveUserIDs() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetUserSourceBySourceID(t *testing.T) {
	// Setup trow away container
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	expectedResult := make(map[string]models.UserSource)
	expectedResult["e621"] = models.UserSource{
		UserID:          "e1",
		AccountUsername: "euser",
		Source: models.Source{
			DisplayName: "e621",
			Domain:      "e621.net",
		},
	}

	source := &models.Source{
		BaseModel: models.BaseModel[models.AnthroveSourceID]{
			ID: expectedResult["e621"].Source.ID,
		},
		DisplayName: expectedResult["e621"].Source.DisplayName,
		Domain:      expectedResult["e621"].Source.Domain,
	}

	err = CreateSource(ctx, gormDB, source)
	if err != nil {
		t.Fatal(err)
	}

	err = CreateUserWithRelationToSource(ctx, gormDB, "1", models.AnthroveSourceID(expectedResult["e621"].SourceID), expectedResult["e621"].UserID, expectedResult["e621"].AccountUsername)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
		sourceID       models.AnthroveSourceID
	}
	tests := []struct {
		name    string
		args    args
		want    map[string]models.UserSource
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthroveUserID and sourceID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       source.ID,
			},
			want:    expectedResult,
			wantErr: false,
		},
		{
			name: "Test 2: Invalid AnthroveUserID and valid sourceID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "22",
				sourceID:       source.ID,
			},
			want:    nil,
			wantErr: true,
		},
		{
			name: "Test 3: Valid AnthroveUserID and invalid sourceID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       "fa",
			},
			want:    nil,
			wantErr: true,
		},
		{
			name: "Test 4: No AnthroveUserID and Valid sourceID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "",
				sourceID:       source.ID,
			},
			want:    nil,
			wantErr: true,
		},
		{
			name: "Test 5: Valid AnthroveUserID and No SourceDisplayName",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				sourceID:       "",
			},
			want:    nil,
			wantErr: true,
		},
		{
			name: "Test 6: No AnthroveUserID and No SourceDisplayName",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "",
				sourceID:       "",
			},
			want:    nil,
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetUserSourceBySourceID(tt.args.ctx, tt.args.db, tt.args.anthroveUserID, tt.args.sourceID)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetUserSourceBySourceID() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetUserSourceBySourceID() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetUserFavoriteNodeWithPagination(t *testing.T) {
	// Setup trow away containert
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	expectedResultPosts := []models.Post{
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post1"))},
			Rating:    "safe",
		},
		{

			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post2"))},
			Rating:    "safe",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post3"))},
			Rating:    "explicit",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post4"))},
			Rating:    "explicit",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post5"))},
			Rating:    "questionable",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post6"))},
			Rating:    "safe",
		},
	}
	expectedResult := &models.FavoriteList{
		Posts: expectedResultPosts,
	}
	expectedResult2 := &models.FavoriteList{
		Posts: expectedResultPosts[2:],
	}
	expectedResult3 := &models.FavoriteList{
		Posts: expectedResultPosts[:3],
	}

	err = CreateUser(ctx, gormDB, "1")
	if err != nil {
		t.Fatal(err)
	}

	for _, expectedResultPost := range expectedResultPosts {
		err = CreatePost(ctx, gormDB, &expectedResultPost)
		if err != nil {
			t.Fatal(err)
		}
		err = CreateReferenceBetweenUserAndPost(ctx, gormDB, "1", models.AnthrovePostID(expectedResultPost.ID))
		if err != nil {
			t.Fatal(err)
		}
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
		skip           int
		limit          int
	}
	tests := []struct {
		name    string
		args    args
		want    *models.FavoriteList
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthroveUserID",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				skip:           0,
				limit:          2000,
			},
			want:    expectedResult,
			wantErr: false,
		},
		{
			name: "Test 2: Skip first two",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				skip:           2,
				limit:          2000,
			},
			want:    expectedResult2,
			wantErr: false,
		},
		{
			name: "Test 3: Limit of 3",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
				skip:           0,
				limit:          3,
			},
			want:    expectedResult3,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetUserFavoriteWithPagination(tt.args.ctx, tt.args.db, tt.args.anthroveUserID, tt.args.skip, tt.args.limit)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetUserFavoriteWithPagination() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetUserFavoriteWithPagination() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetUserFavoritesCount(t *testing.T) {
	// Setup trow away container
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test

	err = CreateUser(ctx, gormDB, "1")
	if err != nil {
		t.Fatal(err)
	}

	expectedResultPosts := []models.Post{
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post1"},
			Rating:    "safe",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post2"},
			Rating:    "safe",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post3"},
			Rating:    "explicit",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post4"},
			Rating:    "explicit",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post5"},
			Rating:    "questionable",
		},
		{
			BaseModel: models.BaseModel[models.AnthrovePostID]{ID: "Post6"},
			Rating:    "safe",
		},
	}

	for _, post := range expectedResultPosts {
		err = CreatePost(ctx, gormDB, &post)
		if err != nil {
			t.Fatal(err)
		}
		err = CreateReferenceBetweenUserAndPost(ctx, gormDB, "1", models.AnthrovePostID(post.ID))
		if err != nil {
			t.Fatal(err)
		}
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
	}
	tests := []struct {
		name    string
		args    args
		want    int64
		wantErr bool
	}{
		{
			name: "Test 1: Valid anthroveUserID and 6 favorite posts",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
			},
			want:    6,
			wantErr: false,
		},
		{
			name: "Test 2: Invalid anthroveUserID and 6 favorite posts",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "2",
			},
			want:    0,
			wantErr: false,
		},
		{
			name: "Test 3: no anthroveUserID and 6 favorite posts",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "",
			},
			want:    0,
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetUserFavoritesCount(tt.args.ctx, tt.args.db, tt.args.anthroveUserID)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetUserFavoritesCount() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if got != tt.want {
				t.Errorf("GetUserFavoritesCount() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetUserSourceLinks(t *testing.T) {
	// Setup trow away containert
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test
	eSource := &models.Source{
		BaseModel:   models.BaseModel[models.AnthroveSourceID]{ID: models.AnthroveSourceID(fmt.Sprintf("%025s", "1"))},
		DisplayName: "e621",
		Domain:      "e621.net",
	}
	err = CreateSource(ctx, gormDB, eSource)
	if err != nil {
		t.Fatal(err)
	}

	faSource := &models.Source{
		BaseModel:   models.BaseModel[models.AnthroveSourceID]{ID: models.AnthroveSourceID(fmt.Sprintf("%025s", "2"))},
		DisplayName: "fa",
		Domain:      "fa.net",
	}
	err = CreateSource(ctx, gormDB, faSource)
	if err != nil {
		t.Fatal(err)
	}

	expectedResult := make(map[string]models.UserSource)
	expectedResult["e621"] = models.UserSource{
		UserID:          "e1",
		AccountUsername: "e621-user",
		Source: models.Source{
			DisplayName: eSource.DisplayName,
			Domain:      eSource.Domain,
		},
	}
	expectedResult["fa"] = models.UserSource{
		UserID:          "fa1",
		AccountUsername: "fa-user",
		Source: models.Source{
			DisplayName: faSource.DisplayName,
			Domain:      faSource.Domain,
		},
	}

	err = CreateUserWithRelationToSource(ctx, gormDB, "1", eSource.ID, expectedResult["e621"].UserID, expectedResult["e621"].AccountUsername)
	if err != nil {
		t.Fatal(err)
	}
	err = CreateUserWithRelationToSource(ctx, gormDB, "1", faSource.ID, expectedResult["fa"].UserID, expectedResult["fa"].AccountUsername)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
	}
	tests := []struct {
		name    string
		args    args
		want    map[string]models.UserSource
		wantErr bool
	}{
		{
			name: "Test 1: Get Data",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
			},
			want:    expectedResult,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetUserSourceLinks(tt.args.ctx, tt.args.db, tt.args.anthroveUserID)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetUserSourceLinks() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetUserSourceLinks() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetUserTagNodeWitRelationToFavedPosts(t *testing.T) {
	// Setup trow away containert
	ctx := context.Background()
	container, gormDB, err := test.StartPostgresContainer(ctx)
	if err != nil {
		t.Fatalf("Could not start PostgreSQL container: %v", err)
	}
	defer container.Terminate(ctx)

	// Setup Test
	err = CreateUser(ctx, gormDB, "1")
	if err != nil {
		t.Fatal(err)
	}

	posts := []models.Post{
		{BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post1"))}, Rating: "safe"},
		{BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post2"))}, Rating: "safe"},
		{BaseModel: models.BaseModel[models.AnthrovePostID]{ID: models.AnthrovePostID(fmt.Sprintf("%-25s", "Post3"))}, Rating: "explicit"},
	}

	for _, post := range posts {
		err = CreatePost(ctx, gormDB, &post)
		if err != nil {
			t.Fatal(err)
		}
		err = CreateReferenceBetweenUserAndPost(ctx, gormDB, "1", models.AnthrovePostID(post.ID))
		if err != nil {
			t.Fatal(err)
		}
	}

	tags := []models.Tag{
		{Name: "JayTheFerret", Type: "artist"},
		{Name: "Ferret", Type: "species"},
		{Name: "Jay", Type: "character"},
	}

	for i, tag := range tags {
		err = CreateTagAndReferenceToPost(ctx, gormDB, posts[i].ID, &tag)
		if err != nil {
			t.Fatal(err)
		}
	}

	expectedResult := []models.TagsWithFrequency{
		{
			Frequency: 1,
			Tags: models.Tag{
				Name: tags[0].Name,
				Type: tags[0].Type,
			},
		},
		{
			Frequency: 1,
			Tags: models.Tag{
				Name: tags[1].Name,
				Type: tags[1].Type,
			},
		},
		{
			Frequency: 1,
			Tags: models.Tag{
				Name: tags[2].Name,
				Type: tags[2].Type,
			},
		},
	}

	// Test
	type args struct {
		ctx            context.Context
		db             *gorm.DB
		anthroveUserID models.AnthroveUserID
	}
	tests := []struct {
		name    string
		args    args
		want    []models.TagsWithFrequency
		wantErr bool
	}{
		{
			name: "Test 1: Get Data",
			args: args{
				ctx:            ctx,
				db:             gormDB,
				anthroveUserID: "1",
			},
			want:    expectedResult,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetUserTagWitRelationToFavedPosts(tt.args.ctx, tt.args.db, tt.args.anthroveUserID)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetUserTagWitRelationToFavedPosts() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetUserTagWitRelationToFavedPosts() got = %v, want %v", got, tt.want)
			}
		})
	}
}