package database

import (
	"context"
	"fmt"
	"reflect"
	"testing"
	"time"

	"git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/models"
	"git.anthrove.art/Anthrove/otter-space-sdk/v4/test"
	"go.opentelemetry.io/contrib/bridges/otellogrus"
	"go.opentelemetry.io/otel"
	"gorm.io/gorm"
)

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Source to test with
	validSource := models.Source{
		BaseModel: models.BaseModel[models.SourceID]{
			ID:        models.SourceID(fmt.Sprintf("%025s", "Source1")),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			DeletedAt: gorm.DeletedAt{},
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "e621.net/icon.png",
	}
	// --

	// -- -- Tests
	type args struct {
		ctx    context.Context
		source models.Source
	}
	tests := []struct {
		name    string
		args    args
		want    models.Source
		wantErr bool
	}{
		{
			name: "Test 01: Valid Source",
			args: args{
				ctx:    ctx,
				source: validSource,
			},
			want:    validSource,
			wantErr: false,
		},
		{
			name: "Test 02: Duplicate Source",
			args: args{
				ctx:    ctx,
				source: validSource,
			},
			want:    models.Source{},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := CreateSource(tt.args.ctx, tt.args.source)
			if (err != nil) != tt.wantErr {
				t.Errorf("CreateSource() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("CreateSource() got = %v, want %v", got, tt.want)
			}
		})
	}
}

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Sources to test with
	validSources := test.GenerateRandomSources(5)
	// --

	// -- -- Tests
	type args struct {
		ctx       context.Context
		source    []models.Source
		batchSize int
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 01: Valid Sources",
			args: args{
				ctx:       ctx,
				source:    validSources,
				batchSize: len(validSources),
			},
			wantErr: false,
		},
		{
			name: "Test 02: Duplicate Sources",
			args: args{
				ctx:       ctx,
				source:    validSources,
				batchSize: len(validSources),
			},
			wantErr: true,
		},
		{
			name: "Test 03: Nil Sources",
			args: args{
				ctx:       ctx,
				source:    nil,
				batchSize: len(validSources),
			},
			wantErr: true,
		},
		{
			name: "Test 04: Empty Sources",
			args: args{
				ctx:       ctx,
				source:    []models.Source{},
				batchSize: len(validSources),
			},
			wantErr: true,
		},
		{
			name: "Test 08: Empty Batch Size",
			args: args{
				ctx:       ctx,
				source:    []models.Source{},
				batchSize: 0,
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := CreateSourceInBatch(tt.args.ctx, tt.args.source, tt.args.batchSize); (err != nil) != tt.wantErr {
				t.Errorf("CreateSourceInBatch() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Source to test with
	validSource := models.Source{
		BaseModel: models.BaseModel[models.SourceID]{
			ID:        models.SourceID(fmt.Sprintf("%025s", "Source1")),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			DeletedAt: gorm.DeletedAt{},
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "e621.net/icon.png",
	}

	validSource, err = CreateSource(ctx, validSource)
	if err != nil {
		t.Fatalf("CreateSource err: %v", err)
	}
	// --

	// -- Create Updates models for UserSource
	validUpdateSource := validSource
	validUpdateSource.DisplayName = "eeeee"
	validUpdateSource.Domain = "aaaaa"
	validUpdateSource.Icon = "nnnn"

	invalidUpdateSource := models.Source{}
	// --

	// -- -- Tests
	type args struct {
		ctx    context.Context
		source models.Source
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 01: Valid Update for Source",
			args: args{
				ctx:    ctx,
				source: validUpdateSource,
			},
			wantErr: false,
		},
		{
			name: "Test 02: Invalid Update for Source",
			args: args{
				ctx:    ctx,
				source: invalidUpdateSource,
			},
			wantErr: true,
		},
		{
			name: "Test 03: Empty ID for Update for Source",
			args: args{
				ctx:    ctx,
				source: models.Source{BaseModel: models.BaseModel[models.SourceID]{ID: ""}},
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := UpdateSource(tt.args.ctx, tt.args.source); (err != nil) != tt.wantErr {
				t.Errorf("UpdateSource() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Source to test with
	validSource := models.Source{
		BaseModel: models.BaseModel[models.SourceID]{
			ID:        models.SourceID(fmt.Sprintf("%025s", "Source1")),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			DeletedAt: gorm.DeletedAt{},
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "e621.net/icon.png",
	}

	validSource, err = CreateSource(ctx, validSource)
	if err != nil {
		t.Fatalf("CreateSource err: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		ctx context.Context
		id  models.SourceID
	}
	tests := []struct {
		name    string
		args    args
		want    models.Source
		wantErr bool
	}{
		{
			name: "Test 01: Valid Source ID",
			args: args{
				ctx: ctx,
				id:  validSource.ID,
			},
			want:    validSource,
			wantErr: false,
		},
		{
			name: "Test 03: Empty SourceID",
			args: args{
				ctx: ctx,
				id:  "",
			},
			wantErr: true,
		},
		{
			name: "Test 04: Short SourceID",
			args: args{
				ctx: ctx,
				id:  "111",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetSourceByID(tt.args.ctx, tt.args.id)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetSourceByID() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !checkSourceID(got, tt.want) {
				t.Errorf("GetSourceByID() got = %v, want %v", got, tt.want)
			}
		})
	}
}

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Source to test with
	validSource := models.Source{
		BaseModel: models.BaseModel[models.SourceID]{
			ID:        models.SourceID(fmt.Sprintf("%025s", "Source1")),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			DeletedAt: gorm.DeletedAt{},
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "e621.net/icon.png",
	}

	validSource, err = CreateSource(ctx, validSource)
	if err != nil {
		t.Fatalf("CreateSource err: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		ctx          context.Context
		sourceDomain models.SourceDomain
	}
	tests := []struct {
		name    string
		args    args
		want    models.Source
		wantErr bool
	}{
		{
			name: "Test 01: Valid SourceURL",
			args: args{
				ctx:          ctx,
				sourceDomain: validSource.Domain,
			},
			want:    validSource,
			wantErr: false,
		},
		{
			name: "Test 02: Empty SourceURL",
			args: args{
				ctx:          ctx,
				sourceDomain: "",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetSourceByDomain(tt.args.ctx, tt.args.sourceDomain)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetSourceByDomain() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !checkSourceID(got, tt.want) {
				t.Errorf("GetSourceByDomain() got = %v, want %v", got, tt.want)
			}
		})
	}
}

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

	client = gormDB

	// Setup open telemetry
	tracer = otel.Tracer(tracingName)

	hook := otellogrus.NewHook(tracingName)
	logger.AddHook(hook)

	defer container.Terminate(ctx)

	// -- -- Setup Tests

	// -- Create Source to test with
	validSource := models.Source{
		BaseModel: models.BaseModel[models.SourceID]{
			ID:        models.SourceID(fmt.Sprintf("%025s", "Source1")),
			CreatedAt: time.Now(),
			UpdatedAt: time.Now(),
			DeletedAt: gorm.DeletedAt{},
		},
		DisplayName: "e621",
		Domain:      "e621.net",
		Icon:        "e621.net/icon.png",
	}

	validSource, err = CreateSource(ctx, validSource)
	if err != nil {
		t.Fatalf("CreateSource err: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		ctx context.Context
		id  models.SourceID
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "Test 01: Delete Valid Source",
			args: args{
				ctx: ctx,
				id:  validSource.ID,
			},
			wantErr: false,
		},
		{
			name: "Test 02: Delete not existed Source",
			args: args{
				ctx: ctx,
				id:  validSource.ID,
			},
			wantErr: false,
		},
		{
			name: "Test 03: Empty SourceID",
			args: args{
				ctx: ctx,
				id:  "",
			},
			wantErr: true,
		},
		{
			name: "Test 04: Short SourceID",
			args: args{
				ctx: ctx,
				id:  "111",
			},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := DeleteSource(tt.args.ctx, tt.args.id); (err != nil) != tt.wantErr {
				t.Errorf("DeleteSource() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func checkSourceID(got models.Source, want models.Source) bool {
	if got.ID != want.ID {
		return false
	}

	return true
}