package threadpool

import (
	"log/slog"
	"testing"

	"queryorchestration/internal/serviceconfig/logger"

	"github.com/stretchr/testify/assert"
)

func TestSetThreadPool(t *testing.T) {
	cfg := &ThreadPoolConfig{}
	l := &logger.TestLogger{
		T: t,
	}
	sl := slog.New(l)

	cfg.StartThreadPool(sl)
	assert.Equal(t, 120, cfg.MonitorInterval)
	assert.LessOrEqual(t, 10, cfg.MaxWorkers)
	assert.NotNil(t, cfg.pool)
}

func TestStopAndWait(t *testing.T) {
	cfg := &ThreadPoolConfig{}
	l := &logger.TestLogger{
		T: t,
	}
	sl := slog.New(l)

	cfg.MonitorInterval = 1
	cfg.StartThreadPool(sl)
	assert.Equal(t, 1, cfg.MonitorInterval)
	assert.LessOrEqual(t, 10, cfg.MaxWorkers)
	assert.NotNil(t, cfg.pool)

	pool := cfg.GetThreadPool()

	for i := range 2 {
		index := i
		pool.Submit(func() {
			sl.Info("new thread", "index", index)
		})
	}

	cfg.ThreadPoolStopAndWait()
}

func TestGetMaxWorkers(t *testing.T) {
	cfg := ThreadPoolConfig{}
	assert.Equal(t, 0, cfg.GetMaxWorkers())

	cfg.MaxWorkers = 100
	assert.Equal(t, 100, cfg.GetMaxWorkers())
}

func TestGetMonitorInterval(t *testing.T) {
	cfg := ThreadPoolConfig{}
	assert.Equal(t, 0, cfg.GetThreadMonitorInterval())

	cfg.MonitorInterval = 100
	assert.Equal(t, 100, cfg.GetThreadMonitorInterval())
}