package database

import (
	"context"
	"reflect"
	"testing"

	"git.anthrove.art/Anthrove/otter-space-sdk/v3/pkg/models"
	"git.anthrove.art/Anthrove/otter-space-sdk/v3/test"
	"go.opentelemetry.io/contrib/bridges/otellogrus"
	"go.opentelemetry.io/otel"
	"gorm.io/gorm"
)

func TestPaginate(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 Tags to test with
	validTags := test.GenerateRandomTags(500)
	err = CreateTagInBatch(ctx, validTags, len(validTags))
	if err != nil {
		logger.Fatalf("Could not create tags: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		page     int
		pageSize int
	}
	tests := []struct {
		name string
		args args
		want []models.Tag
	}{
		{
			name: "Test 01: Valid Page & PageSize",
			args: args{
				page:     1,
				pageSize: 5,
			},
			want: validTags[:5],
		},
		{
			name: "Test 02: Second page with Valid Page & PageSize",
			args: args{
				page:     2,
				pageSize: 5,
			},
			want: validTags[5:10],
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			var tags []models.Tag
			result := client.WithContext(ctx).Scopes(Paginate(tt.args.page, tt.args.pageSize)).Find(&tags)

			if result.Error != nil {
				t.Errorf("Paginate() = %v", result.Error)
			}

			if !reflect.DeepEqual(tt.want, tags) {
				t.Errorf("Length of tags: %d", len(tags))
				t.Errorf("Length of want: %d", len(tt.want))
				t.Errorf("Paginate() = %v, want %v", tags, tt.want)
			}

		})
	}
}

func TestAdvancedPagination(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 Tags to test with
	validTags := []models.Tag{
		{
			Name: "a",
			Type: models.General,
		},
		{
			Name: "b",
			Type: models.General,
		},
		{
			Name: "c",
			Type: models.Lore,
		},
		{
			Name: "d",
			Type: models.Artist,
		},
		{
			Name: "e",
			Type: models.Artist,
		},
		{
			Name: "f",
			Type: models.Copyright,
		},
		{
			Name: "g",
			Type: models.Meta,
		},
		{
			Name: "h",
			Type: models.Species,
		},
		{
			Name: "i",
			Type: models.Invalid,
		},
		{
			Name: "j",
			Type: models.General,
		},
	}
	err = CreateTagInBatch(ctx, validTags, len(validTags))
	if err != nil {
		logger.Fatalf("Could not create tags: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		value      any
		pagination *Pagination
		db         *gorm.DB
	}
	tests := []struct {
		name string
		args args
		want []models.Tag
	}{
		{
			name: "Test 01: Valid Data",
			args: args{
				value: validTags,
				pagination: &Pagination{
					Limit: 5,
					Page:  1,
					Sort:  "name asc",
				},
				db: client,
			},
			want: validTags[:5],
		},
		{
			name: "Test 02: Second page with Valid Data",
			args: args{
				value: validTags,
				pagination: &Pagination{
					Limit: 5,
					Page:  2,
					Sort:  "name asc",
				},
				db: client,
			},
			want: validTags[5:10],
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			var tags []models.Tag
			result := client.WithContext(ctx).Scopes(AdvancedPagination(tt.args.value, tt.args.pagination, tt.args.db)).Find(&tags)

			if result.Error != nil {
				t.Errorf("Paginate() = %v", result.Error)
			}

			if !reflect.DeepEqual(tt.want, tags) {
				t.Errorf("Length of tags: %d", len(tags))
				t.Errorf("Length of want: %d", len(tt.want))
				t.Errorf("Paginate() = %v, want %v", tags, tt.want)
			}

		})
	}
}

func TestOrderBy(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 Tags to test with
	validTags := []models.Tag{
		{
			Name: "a",
			Type: models.General,
		},
		{
			Name: "b",
			Type: models.General,
		},
		{
			Name: "c",
			Type: models.Lore,
		},
		{
			Name: "d",
			Type: models.Artist,
		},
		{
			Name: "e",
			Type: models.Artist,
		},
		{
			Name: "f",
			Type: models.Copyright,
		},
		{
			Name: "g",
			Type: models.Meta,
		},
		{
			Name: "h",
			Type: models.Species,
		},
		{
			Name: "i",
			Type: models.Invalid,
		},
		{
			Name: "j",
			Type: models.General,
		},
	}
	err = CreateTagInBatch(ctx, validTags, len(validTags))
	if err != nil {
		logger.Fatalf("Could not create tags: %v", err)
	}
	// --

	// -- -- Tests
	type args struct {
		sort string
	}
	tests := []struct {
		name    string
		args    args
		want    []models.Tag
		wantErr bool
	}{
		{
			name: "Test 01: Valid Data",
			args: args{
				sort: "name asc",
			},
			want:    validTags,
			wantErr: false,
		},
		{
			name: "Test 01: Invalid Data",
			args: args{
				sort: "name desc",
			},
			want:    validTags,
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			var tags []models.Tag
			result := client.WithContext(ctx).Scopes(OrderBy(tt.args.sort)).Find(&tags)

			if result.Error != nil {
				t.Errorf("Paginate() = %v", result.Error)
			}

			if !reflect.DeepEqual(tt.want, tags) != tt.wantErr {
				t.Errorf("Length of tags: %d", len(tags))
				t.Errorf("Length of want: %d", len(tt.want))
				t.Errorf("Paginate() = %v, want %v", tags, tt.want)
			}

		})
	}
}