package humantask

import "fmt"

type Status string

const (
	StatusPending   Status = "pending"
	StatusAnswered  Status = "answered"
	StatusCancelled Status = "cancelled"
)

type Record struct {
	ID                string `json:"id"`
	WorkspaceID       string `json:"workspace_id"`
	TopicID           string `json:"topic_id"`
	RoleName          string `json:"role_name"`
	PromptMessageID   string `json:"prompt_message_id"`
	Status            Status `json:"status"`
	AnsweredMessageID string `json:"answered_message_id,omitempty"`
	CreatedAt         string `json:"created_at"`
	UpdatedAt         string `json:"updated_at"`
}

func (r Record) Validate() error {
	if r.WorkspaceID == "" {
		return fmt.Errorf("workspace id is required")
	}
	if r.TopicID == "" {
		return fmt.Errorf("topic id is required")
	}
	if r.RoleName == "" {
		return fmt.Errorf("role name is required")
	}
	if r.PromptMessageID == "" {
		return fmt.Errorf("prompt message id is required")
	}
	switch r.Status {
	case StatusPending, StatusAnswered, StatusCancelled:
	default:
		return fmt.Errorf("invalid human task status %q", r.Status)
	}
	if r.Status == StatusAnswered && r.AnsweredMessageID == "" {
		return fmt.Errorf("answered message id is required")
	}
	return nil
}