package config

import (
	"log/slog"
	"testing"

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

func TestSetLogLevel(t *testing.T) {
	c := New()

	for _, i := range []int{0, 21, 41, 61, 81, 101} {
		c.LogLevel = i

		setLogLevel(&c)
		switch i {
		case 0:
			assert.Equal(t, LevelFatal, c.Log.SLogLevel.Level())
		case 21:
			assert.Equal(t, slog.LevelError, c.Log.SLogLevel.Level())
		case 41:
			assert.Equal(t, slog.LevelWarn, c.Log.SLogLevel.Level())
		case 61:
			assert.Equal(t, slog.LevelInfo, c.Log.SLogLevel.Level())
		case 81:
			assert.Equal(t, slog.LevelDebug, c.Log.SLogLevel.Level())
		case 101:
			assert.Equal(t, LevelTrace, c.Log.SLogLevel.Level())
		}
	}
}

func TestPrintRunningConfig(t *testing.T) {
	buf, log := slogToBuffer()
	c := New()
	c.Log.Log = log
	cfgInfo, err := getStructInfo(&c)
	assert.NoError(t, err)
	printRunningConfig(&c, cfgInfo)

	assert.Contains(t, buf.String(), "Running Configuration")
}

func TestFatal(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Fatal("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=ERROR+4")
}

func TestError(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Error("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=ERROR")
}

func TestWarn(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Warn("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=WARN")
}

func TestInfo(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Info("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=INFO")
}

func TestDebug(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Debug("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=DEBUG")
}

func TestTrace(t *testing.T) {
	c := New()
	buf, log := slogToBuffer()
	c.Log.Log = log

	c.Log.Trace("TEST Message")
	assert.Contains(t, buf.String(), "TEST Message")
	assert.Contains(t, buf.String(), "level=DEBUG-4")
}