package service_test

import (
	"testing"

	"github.com/user-management-system/internal/service"
)

// =============================================================================
// Auth Password Tests
// =============================================================================

func TestGetPasswordStrength(t *testing.T) {
	t.Run("Get password strength - strong", func(t *testing.T) {
		info := service.GetPasswordStrength("StrongP@ss123")
		if info.Score < 4 {
			t.Errorf("Expected strength score >= 4, got %d", info.Score)
		}
	})

	t.Run("Get password strength - weak", func(t *testing.T) {
		info := service.GetPasswordStrength("123")
		if info.Score > 2 {
			t.Errorf("Expected low strength score for weak password, got %d", info.Score)
		}
	})

	t.Run("Get password strength - empty", func(t *testing.T) {
		info := service.GetPasswordStrength("")
		if info.Length != 0 {
			t.Errorf("Expected length 0 for empty password, got %d", info.Length)
		}
	})

	t.Run("Get password strength with all character types", func(t *testing.T) {
		info := service.GetPasswordStrength("Abcd1234!@#")
		if !info.HasUpper {
			t.Error("Expected HasUpper to be true")
		}
		if !info.HasLower {
			t.Error("Expected HasLower to be true")
		}
		if !info.HasDigit {
			t.Error("Expected HasDigit to be true")
		}
		if !info.HasSpecial {
			t.Error("Expected HasSpecial to be true")
		}
	})

	t.Run("Get password strength with only lowercase", func(t *testing.T) {
		info := service.GetPasswordStrength("abcdefghij")
		if !info.HasLower {
			t.Error("Expected HasLower to be true")
		}
		if info.HasUpper {
			t.Error("Expected HasUpper to be false")
		}
		if info.HasDigit {
			t.Error("Expected HasDigit to be false")
		}
		if info.HasSpecial {
			t.Error("Expected HasSpecial to be false")
		}
	})

	t.Run("Get password strength with only digits", func(t *testing.T) {
		info := service.GetPasswordStrength("1234567890")
		if info.HasLower {
			t.Error("Expected HasLower to be false")
		}
		if info.HasUpper {
			t.Error("Expected HasUpper to be false")
		}
		if !info.HasDigit {
			t.Error("Expected HasDigit to be true")
		}
		if info.HasSpecial {
			t.Error("Expected HasSpecial to be false")
		}
	})
}
