// Task tracking
//
// Task and its associated structs implements a task tracker used to record the
// health and outcomes of individual jobs that the runner executes.
package runner

import (
	"github.com/gofrs/uuid"
)

type TaskTracker struct {
	TaskId   string
	Status   string
	Error    error
	Parent   *TaskTracker
	Children []*TaskTracker
}

func NewTaskTracker(parent *TaskTracker) *TaskTracker {
	newTask := &TaskTracker{TaskId: uuid.Must(uuid.NewV1()).String()}

	if parent != nil {
		parent.Children = append(parent.Children, newTask)
		newTask.Parent = parent
	}

	return newTask
}

func (t *TaskTracker) SetStatus(status string) *TaskTracker {
	t.Status = status

	return t
}

func (t *TaskTracker) SetError(err error) *TaskTracker {
	t.Error = err

	return t
}

func (t TaskTracker) HasError() bool {
	if t.Error != nil {
		return true
	}

	for _, child := range t.Children {
		if child.HasError() {
			return true
		}
	}

	return false
}

func (t TaskTracker) Failed() bool {
	if t.Status == "failed" {
		return true
	}

	for _, child := range t.Children {
		if child.Failed() {
			return true
		}
	}

	return false
}