package grpc_client

import (
	"context"
	"fmt"

	pb "datarush/pkg/api/task"

	"google.golang.org/grpc"
)

type TaskClient struct {
	client pb.TaskServiceClient
	conn   *grpc.ClientConn
}

func NewTaskClient(ctx context.Context, address string, factory *ClientFactory) (*TaskClient, error) {
	conn, err := factory.GetConnection(ctx, address)
	if err != nil {
		return nil, fmt.Errorf("failed to create task client: %w", err)
	}
	return &TaskClient{client: pb.NewTaskServiceClient(conn), conn: conn}, nil
}

func (c *TaskClient) CreateTask(ctx context.Context, task *pb.Task) (*pb.Task, error) {
	resp, err := c.client.CreateTask(ctx, task)
	if err != nil {
		return nil, fmt.Errorf("create task failed: %w", err)
	}
	return resp, nil
}

func (c *TaskClient) GetTask(ctx context.Context, taskID string) (*pb.Task, error) {
	req := &pb.GetTaskRequest{TaskId: taskID}
	resp, err := c.client.GetTask(ctx, req)
	if err != nil {
		return nil, fmt.Errorf("get task failed: %w", err)
	}
	return resp, nil
}

func (c *TaskClient) EditTask(ctx context.Context, task *pb.Task) (*pb.Task, error) {
	resp, err := c.client.EditTask(ctx, task)
	if err != nil {
		return nil, fmt.Errorf("edit task failed: %w", err)
	}
	return resp, nil
}

func (c *TaskClient) DeleteTask(ctx context.Context, taskID string) error {
	req := &pb.DeleteTaskRequest{TaskId: taskID}
	_, err := c.client.DeleteTask(ctx, req)
	if err != nil {
		return fmt.Errorf("delete task failed: %w", err)
	}
	return nil
}

func (c *TaskClient) ListCompetitionTasks(ctx context.Context, competitionID string) ([]*pb.Task, error) {
	req := &pb.ListCompetitionTasksRequest{CompetitionId: competitionID}
	resp, err := c.client.ListCompetitionTasks(ctx, req)
	if err != nil {
		return nil, fmt.Errorf("list tasks failed: %w", err)
	}
	return resp.Tasks, nil
}

func (c *TaskClient) GetTaskAttachments(
	ctx context.Context,
	taskID string,
	showPrivate bool,
) ([]*pb.TaskAttachment, error) {
	req := &pb.GetTaskAttachmentsRequest{
		TaskId:      taskID,
		ShowPrivate: &showPrivate,
	}
	resp, err := c.client.GetTaskAttachments(ctx, req)
	if err != nil {
		return nil, fmt.Errorf("get task attachments failed: %w", err)
	}
	return resp.Attachments, nil
}