package models

import "time"

type TaskStatus string
type DeviceTaskType string

const (
	TaskStatusPending  TaskStatus = "pending"
	TaskStatusRunning  TaskStatus = "running"
	TaskStatusFinished TaskStatus = "finished"
	TaskStatusError    TaskStatus = "error"
)

const (
	// 1. start/stop audiostream
	TaskTypeStartStream DeviceTaskType = "start_stream"
	TaskTypeStopStream  DeviceTaskType = "stop_stream"

	// 2. start/stop recording
	TaskTypeStartRecording DeviceTaskType = "start_recording"
	TaskTypeStopRecording  DeviceTaskType = "stop_recording"

	// 3. change configuration (sleep timeout, jitter, recording duration)
	TaskTypeUpdateConfig DeviceTaskType = "update_config"

	// 4. set deep sleep duration (minutes)
	TaskTypeSetDeepSleep DeviceTaskType = "set_deep_sleep"
)

type DEviceTask struct {
	ID         uint           `gorm:"primaryKey"`
	DeviceGUID string         `gorm:"index;not null"`
	Type       DeviceTaskType `gorm:"type:varchar(64);not null"`
	// JSON payload from server to device (parameters)
	Payload string     `gorm:"type:text;not null;default:'{}'"`
	Status  TaskStatus `gorm:"type:varchar(16);not null;index"`
	// Optional error/reason from server or device
	ErrorMsg string `gorm:"type:text"`
	// Raw result JSON from device (success path)
	Result string `gorm:"type:text"`

	// State timing
	CreatedAt  time.Time
	UpdatedAt  time.Time
	StartedAt  *time.Time // when device fetched/acknowledged (Running)
	FinishedAt *time.Time // when device posted result (Finished/Error)

	// Optional: small attempt/lease system if you ever need retries/timeouts
	// Attempts int `gorm:"not null;default:0"`
}