package app

import (
	"evening_detective_server/internal/services/task_service"
	proto "evening_detective_server/proto"

	"google.golang.org/protobuf/types/known/timestamppb"
)

func taskInput(title, description, status string, assigneeID *int32, dueDate string) (task_service.Task, error) {
	date, err := task_service.ParseDueDate(dueDate)
	if err != nil {
		return task_service.Task{}, err
	}
	return task_service.Task{
		Title:       title,
		Description: description,
		Status:      status,
		AssigneeID:  taskDomainID(assigneeID),
		DueDate:     date,
	}, nil
}

func taskDomainID(value *int32) *int {
	if value == nil {
		return nil
	}
	result := int(*value)
	return &result
}

func taskProtoID(value *int) *int32 {
	if value == nil {
		return nil
	}
	result := int32(*value)
	return &result
}

func mapTask(task *task_service.Task) *proto.DeveloperTask {
	dueDate := ""
	if task.DueDate != nil {
		dueDate = task.DueDate.Format("2006-01-02")
	}
	return &proto.DeveloperTask{
		ID:           int32(task.ID),
		Title:        task.Title,
		Description:  task.Description,
		Status:       task.Status,
		AssigneeID:   taskProtoID(task.AssigneeID),
		AssigneeName: task.AssigneeName,
		AuthorID:     taskProtoID(task.AuthorID),
		DueDate:      dueDate,
		CreatedAt:    timestamppb.New(task.CreatedAt),
		UpdatedAt:    timestamppb.New(task.UpdatedAt),
		Version:      int32(task.Version),
	}
}

func mapTaskAssignee(user task_service.Assignee) *proto.TaskAssignee {
	return &proto.TaskAssignee{
		ID:   int32(user.ID),
		Name: user.Name,
	}
}