package config

import (
	"testing"
	"time"

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

func TestJWTConfigurationDefaults(t *testing.T) {
	// Test that JWT configuration has proper defaults
	config, err := LoadConfig()
	assert.NoError(t, err)
	assert.NotNil(t, config)

	// Test JWT TTL default
	expectedTTL := 1 * time.Hour
	actualTTL := config.GetJWTTTL()
	assert.Equal(t, expectedTTL, actualTTL, "JWT TTL should default to 1 hour")

	// Test JWT retention factor default
	expectedFactor := 2.0
	actualFactor := config.GetJWTSecretRetentionFactor()
	assert.Equal(t, expectedFactor, actualFactor, "JWT retention factor should default to 2.0")

	// Test JWT max retention default
	expectedMaxRetention := 72 * time.Hour
	actualMaxRetention := config.GetJWTSecretMaxRetention()
	assert.Equal(t, expectedMaxRetention, actualMaxRetention, "JWT max retention should default to 72 hours")

	// Test JWT cleanup interval default
	expectedCleanupInterval := 1 * time.Hour
	actualCleanupInterval := config.GetJWTSecretCleanupInterval()
	assert.Equal(t, expectedCleanupInterval, actualCleanupInterval, "JWT cleanup interval should default to 1 hour")
}

func TestJWTConfigurationCustomValues(t *testing.T) {
	// Set custom environment variables
	t.Setenv("DLC_AUTH_JWT_TTL", "2h")
	t.Setenv("DLC_AUTH_JWT_SECRET_RETENTION_FACTOR", "3.5")
	t.Setenv("DLC_AUTH_JWT_SECRET_MAX_RETENTION", "120h")
	t.Setenv("DLC_AUTH_JWT_SECRET_CLEANUP_INTERVAL", "30m")

	config, err := LoadConfig()
	assert.NoError(t, err)
	assert.NotNil(t, config)

	// Test custom JWT TTL
	expectedTTL := 2 * time.Hour
	actualTTL := config.GetJWTTTL()
	assert.Equal(t, expectedTTL, actualTTL, "JWT TTL should be 2 hours from environment variable")

	// Test custom JWT retention factor
	expectedFactor := 3.5
	actualFactor := config.GetJWTSecretRetentionFactor()
	assert.Equal(t, expectedFactor, actualFactor, "JWT retention factor should be 3.5 from environment variable")

	// Test custom JWT max retention
	expectedMaxRetention := 120 * time.Hour
	actualMaxRetention := config.GetJWTSecretMaxRetention()
	assert.Equal(t, expectedMaxRetention, actualMaxRetention, "JWT max retention should be 120 hours from environment variable")

	// Test custom JWT cleanup interval
	expectedCleanupInterval := 30 * time.Minute
	actualCleanupInterval := config.GetJWTSecretCleanupInterval()
	assert.Equal(t, expectedCleanupInterval, actualCleanupInterval, "JWT cleanup interval should be 30 minutes from environment variable")
}