package database

import (
	"context"
	"fmt"
	"testing"

	"git.dragse.it/anthrove/otter-space-sdk/internal/postgres"
	"git.dragse.it/anthrove/otter-space-sdk/pkg/models"
	"git.dragse.it/anthrove/otter-space-sdk/test"
)

func TestNewPostgresqlConnection(t *testing.T) {
	// Test
	tests := []struct {
		name string
		want OtterSpace
	}{
		{
			name: "Test 1: Create new postgresql connection",
			want: nil,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if tt.want != NewPostgresqlConnection() {
			} else {
				t.Errorf("NewPostgresqlConnection() = %s", tt.want)
			}
		})
	}
}

func Test_postgresqlConnection_Connect(t *testing.T) {

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

	// Setup Tests

	dbConfig, err := test.DatabaseModesFromConnectionString(ctx, container)
	if err != nil {
		t.Fatalf("Could not parse database config: %v", err)
	}

	// Test
	type args struct {
		in0    context.Context
		config models.DatabaseConfig
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Connect to postgresql connection",
			args: args{
				in0:    ctx,
				config: *dbConfig,
			},
			wantErr: false,
		},
		{
			name: "Test 1: Empty connection config",
			args: args{
				in0:    ctx,
				config: models.DatabaseConfig{},
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{}
			if err := p.Connect(tt.args.in0, tt.args.config); (err != nil) != tt.wantErr {
				t.Errorf("Connect() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

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

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

func Test_postgresqlConnection_CreateSource(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

	validSource := &models.Source{
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "icon.e621.net",
	}

	invalidSource := &models.Source{
		Domain: "",
	}

	// Test
	type args struct {
		ctx            context.Context
		anthroveSource *models.Source
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid anthroveSource",
			args: args{
				ctx:            ctx,
				anthroveSource: validSource,
			},
			wantErr: false,
		},
		{
			name: "Test 2: inValid anthroveSource",
			args: args{
				ctx:            ctx,
				anthroveSource: invalidSource,
			},
			wantErr: true,
		},
		{
			name: "Test 3: unique anthroveSource",
			args: args{
				ctx:            ctx,
				anthroveSource: validSource,
			},
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			if err := p.CreateSource(tt.args.ctx, tt.args.anthroveSource); (err != nil) != tt.wantErr {
				t.Errorf("CreateSource() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func Test_postgresqlConnection_CreatePost(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 Tests

	validPost := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	invalidPost := &models.Post{
		Rating: "error",
	}

	// Test
	type args struct {
		ctx          context.Context
		anthrovePost *models.Post
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthrovePostID and Rating",
			args: args{
				ctx:          context.Background(),
				anthrovePost: validPost,
			},
			wantErr: false,
		},
		{
			name: "Test 2: Invalid Rating",
			args: args{
				ctx:          context.Background(),
				anthrovePost: invalidPost,
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			if err := p.CreatePost(tt.args.ctx, tt.args.anthrovePost); (err != nil) != tt.wantErr {
				t.Errorf("CreatePost() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func Test_postgresqlConnection_CreateTagAndReferenceToPost(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

	post := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	err = postgres.CreatePost(ctx, gormDB, post)
	if err != nil {
		t.Fatal(err)
	}

	tag := &models.Tag{
		Name: "JayTheFerret",
		Type: "artist",
	}

	// Test
	type args struct {
		ctx            context.Context
		anthrovePostID models.AnthrovePostID
		anthroveTag    *models.Tag
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid PostID and Tag",
			args: args{
				ctx:            ctx,
				anthrovePostID: post.ID,
				anthroveTag:    tag,
			},
			wantErr: false,
		},
		{
			name: "Test 2: Valid PostID and no Tag",
			args: args{
				ctx:            ctx,
				anthrovePostID: post.ID,
				anthroveTag:    nil,
			},
			wantErr: true,
		},
		{
			name: "Test 3: Invalid PostID and valid Tag",
			args: args{
				ctx:            ctx,
				anthrovePostID: "123456",
				anthroveTag:    tag,
			},
			wantErr: true,
		},
		{
			name: "Test 4: No PostID and valid Tag",
			args: args{
				ctx:            ctx,
				anthrovePostID: "",
				anthroveTag:    tag,
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			if err := p.CreateTagAndReferenceToPost(tt.args.ctx, tt.args.anthrovePostID, tt.args.anthroveTag); (err != nil) != tt.wantErr {
				t.Errorf("CreateTagAndReferenceToPost() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func Test_postgresqlConnection_CreateReferenceBetweenPostAndSource(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
	post := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	err = postgres.CreatePost(ctx, gormDB, post)
	if err != nil {
		t.Fatal(err)
	}

	source := &models.Source{
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "icon.e621.net",
	}
	err = postgres.CreateSource(ctx, gormDB, source)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		anthrovePostID models.AnthrovePostID
		sourceDomain   models.AnthroveSourceDomain
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthrovePostID and anthroveSourceDomain",
			args: args{
				ctx:            ctx,
				anthrovePostID: post.ID,
				sourceDomain:   "e621.net",
			},
			wantErr: false,
		},
		{
			name: "Test 2: Invalid AnthrovePostID and Valid anthroveSourceDomain",
			args: args{
				ctx:            ctx,
				anthrovePostID: "123456",
				sourceDomain:   "e621.net",
			},
			wantErr: true,
		},
		{
			name: "Test 3: Invalid anthroveSourceDomain and Valid AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthrovePostID: "1234",
				sourceDomain:   "fa.banana",
			},
			wantErr: true,
		},
		{
			name: "Test 4: Invalid anthroveSourceDomain and Invalid AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthrovePostID: "696969",
				sourceDomain:   "hehe.funny.number",
			},
			wantErr: true,
		}}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			if err := p.CreateReferenceBetweenPostAndSource(tt.args.ctx, tt.args.anthrovePostID, tt.args.sourceDomain); (err != nil) != tt.wantErr {
				t.Errorf("CreateReferenceBetweenPostAndSource() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

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

	post := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	err = postgres.CreatePost(ctx, gormDB, post)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		anthroveUserID models.AnthroveUserID
		anthrovePostID models.AnthrovePostID
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthroveUserID and AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "1",
				anthrovePostID: post.ID,
			},
			wantErr: false,
		},
		{
			name: "Test 2: Valid AnthroveUserID and invalid AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "1",
				anthrovePostID: "123456",
			},
			wantErr: true,
		},
		{
			name: "Test 3: Valid AnthrovePostID and invalid AnthroveUserID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "123",
				anthrovePostID: "1234",
			},
			wantErr: true,
		},
		{
			name: "Test 4: Invalid AnthrovePostID and invalid AnthroveUserID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "123",
				anthrovePostID: "123456",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			if err := p.CreateReferenceBetweenUserAndPost(tt.args.ctx, tt.args.anthroveUserID, tt.args.anthrovePostID); (err != nil) != tt.wantErr {
				t.Errorf("CreateReferenceBetweenUserAndPost() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

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

	post := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	err = postgres.CreatePost(ctx, gormDB, post)
	if err != nil {
		t.Fatal(err)
	}

	err = postgres.CreateReferenceBetweenUserAndPost(ctx, gormDB, "1", post.ID)
	if err != nil {
		t.Fatal(err)
	}

	// Test
	type args struct {
		ctx            context.Context
		anthroveUserID models.AnthroveUserID
		anthrovePostID models.AnthrovePostID
	}
	tests := []struct {
		name    string
		args    args
		want    bool
		wantErr bool
	}{
		{
			name: "Test 1: Valid AnthroveUserID and AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "1",
				anthrovePostID: post.ID,
			},
			want:    true,
			wantErr: false,
		},
		{
			name: "Test 2: Valid AnthroveUserID and invalid AnthrovePostID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "1",
				anthrovePostID: "qadw",
			},
			want:    false,
			wantErr: false,
		},
		{
			name: "Test 3: Valid AnthrovePostID and invalid AnthroveUserID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "123",
				anthrovePostID: post.ID,
			},
			want:    false,
			wantErr: false,
		},
		{
			name: "Test 4: Invalid AnthrovePostID and invalid AnthroveUserID",
			args: args{
				ctx:            ctx,
				anthroveUserID: "123",
				anthrovePostID: "123456",
			},
			want:    false,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			got, err := p.CheckReferenceBetweenUserAndPost(tt.args.ctx, tt.args.anthroveUserID, tt.args.anthrovePostID)
			if (err != nil) != tt.wantErr {
				t.Errorf("CheckReferenceBetweenUserAndPost() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if got != tt.want {
				t.Errorf("CheckReferenceBetweenUserAndPost() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_postgresqlConnection_GetPostByAnthroveID(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 Tests

	post := &models.Post{
		BaseModel: models.BaseModel[models.AnthrovePostID]{
			ID: models.AnthrovePostID(fmt.Sprintf("%025s", "1")),
		},
		Rating: "safe",
	}

	err = postgres.CreatePost(ctx, gormDB, post)
	if err != nil {
		t.Fatal("Could not create post", err)
	}

	// Test
	type args struct {
		ctx          context.Context
		anthrovePost models.AnthrovePostID
	}
	tests := []struct {
		name    string
		args    args
		want    *models.Post
		wantErr bool
	}{
		{
			name: "Test 1: Valid anthrovePostID",
			args: args{
				ctx:          ctx,
				anthrovePost: post.ID,
			},
			want:    post,
			wantErr: false,
		},
		{
			name: "Test 2: No anthrovePostID",
			args: args{
				ctx:          ctx,
				anthrovePost: "nil",
			},
			want:    nil,
			wantErr: true,
		}}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			p := &postgresqlConnection{
				db:    gormDB,
				debug: true,
			}
			got, err := p.GetPostByAnthroveID(tt.args.ctx, tt.args.anthrovePost)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetPostByAnthroveID() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !checkPost(got, tt.want) {
				t.Errorf("GetPostByAnthroveID() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func checkPost(got *models.Post, want *models.Post) bool {

	if got == nil && want == nil {
		return true
	} else if got == nil || want == nil {
		return false
	}

	if got.ID != want.ID {
		return false
	}

	if got.Rating != want.Rating {
		return false
	}

	return true
}