// Package session provides polecat session lifecycle management.
package session

import (
	"fmt"
)

// Prefix is the common prefix for rig-level Gas Town tmux sessions.
const Prefix = "gt-"

// HQPrefix is the prefix for town-level services (Mayor, Deacon).
const HQPrefix = "hq-"

// MayorSessionName returns the session name for the Mayor agent.
// One mayor per machine - multi-town requires containers/VMs for isolation.
func MayorSessionName() string {
	return HQPrefix + "mayor"
}

// DeaconSessionName returns the session name for the Deacon agent.
// One deacon per machine - multi-town requires containers/VMs for isolation.
func DeaconSessionName() string {
	return HQPrefix + "deacon"
}

// WitnessSessionName returns the session name for a rig's Witness agent.
func WitnessSessionName(rig string) string {
	return fmt.Sprintf("%s%s-witness", Prefix, rig)
}

// RefinerySessionName returns the session name for a rig's Refinery agent.
func RefinerySessionName(rig string) string {
	return fmt.Sprintf("%s%s-refinery", Prefix, rig)
}

// CrewSessionName returns the session name for a crew worker in a rig.
func CrewSessionName(rig, name string) string {
	return fmt.Sprintf("%s%s-crew-%s", Prefix, rig, name)
}

// PolecatSessionName returns the session name for a polecat in a rig.
func PolecatSessionName(rig, name string) string {
	return fmt.Sprintf("%s%s-%s", Prefix, rig, name)
}

// BootSessionName returns the session name for the Boot watchdog.
// Note: We use "gt-boot" instead of "hq-deacon-boot" to avoid tmux prefix
// matching collisions. Tmux matches session names by prefix, so "hq-deacon-boot"
// would match when checking for "hq-deacon", causing HasSession("hq-deacon")
// to return true when only Boot is running.
func BootSessionName() string {
	return Prefix + "boot"
}