// Package constants defines task-related constants for the async task system
package constants

import "time"

// Task priority levels
const (
	// TaskPriorityDefault is the default priority level for tasks
	TaskPriorityDefault = 5
	// TaskPriorityHigh represents high priority tasks
	TaskPriorityHigh = 10
	// TaskPriorityLow represents low priority tasks
	TaskPriorityLow = 1
)

// Task queue configuration
const (
	// TaskExchangeName is the name of the exchange for task routing
	TaskExchangeName = "modelrt.tasks.exchange"
	// TaskQueueName is the name of the main task queue
	TaskQueueName = "modelrt.tasks.queue"
	// TaskRoutingKey is the routing key for task messages
	TaskRoutingKey = "modelrt.task"
)

// Task message settings
const (
	// TaskMaxPriority is the maximum priority level for tasks (0-10)
	TaskMaxPriority = 10
	// TaskDefaultMessageTTL is the default time-to-live for task messages (24 hours)
	TaskDefaultMessageTTL = 24 * time.Hour
)

// Task retry settings
const (
	// TaskRetryMaxDefault is the default maximum number of retry attempts
	TaskRetryMaxDefault = 3
	// TaskRetryInitialDelayDefault is the default initial delay for exponential backoff
	TaskRetryInitialDelayDefault = 1 * time.Second
	// TaskRetryMaxDelayDefault is the default maximum delay for exponential backoff
	TaskRetryMaxDelayDefault = 5 * time.Minute
	// TaskRetryRandomFactorDefault is the default random factor for jitter (10%)
	TaskRetryRandomFactorDefault = 0.1
	// TaskRetryFixedDelayDefault is the default delay for fixed retry strategy
	TaskRetryFixedDelayDefault = 5 * time.Second
)

// Test task settings
const (
	// TestTaskSleepDurationDefault is the default sleep duration for test tasks (60 seconds)
	TestTaskSleepDurationDefault = 60
	// TestTaskSleepDurationMax is the maximum allowed sleep duration for test tasks (1 hour)
	TestTaskSleepDurationMax = 3600
)