package config

import (
	"errors"

	"github.com/yusing/go-proxy/agent/pkg/agent"
	"github.com/yusing/go-proxy/internal/utils/functional"
)

var agentPool = functional.NewMapOf[string, *agent.AgentConfig]()

func addAgent(agent *agent.AgentConfig) {
	agentPool.Store(agent.Addr, agent)
}

func removeAllAgents() {
	agentPool.Clear()
}

func GetAgent(addr string) (agent *agent.AgentConfig, ok bool) {
	agent, ok = agentPool.Load(addr)
	return
}

func (cfg *Config) GetAgent(agentDockerHost string) (*agent.AgentConfig, bool) {
	if !agent.IsDockerHostAgent(agentDockerHost) {
		panic(errors.New("invalid use of GetAgent with docker host: " + agentDockerHost))
	}
	return GetAgent(agent.GetAgentAddrFromDockerHost(agentDockerHost))
}

func (cfg *Config) ListAgents() []*agent.AgentConfig {
	agents := make([]*agent.AgentConfig, 0, agentPool.Size())
	agentPool.RangeAll(func(key string, value *agent.AgentConfig) {
		agents = append(agents, value)
	})
	return agents
}