package logger

import (
	"testing"
)

func TestMaskPasswords(t *testing.T) {
	tests := []struct {
		name     string
		command  []string
		expected []string
	}{
		{
			name: "mask cluster password with equals",
			command: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=secret123",
				"--other-flag=value",
			},
			expected: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=***",
				"--other-flag=value",
			},
		},
		{
			name: "mask infobase password with equals",
			command: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--infobase-pwd=secret456",
			},
			expected: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--infobase-pwd=***",
			},
		},
		{
			name: "mask password with space separator",
			command: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd", "secret789",
				"--other-flag", "value",
			},
			expected: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd", "***",
				"--other-flag", "value",
			},
		},
		{
			name: "mask both passwords",
			command: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=cluster_secret",
				"--infobase-pwd=infobase_secret",
			},
			expected: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=***",
				"--infobase-pwd=***",
			},
		},
		{
			name: "no passwords to mask",
			command: []string{
				"rac", "localhost:1545", "cluster", "list",
				"--some-flag=value",
			},
			expected: []string{
				"rac", "localhost:1545", "cluster", "list",
				"--some-flag=value",
			},
		},
		{
			name: "mixed format passwords",
			command: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=secret1",
				"--infobase-pwd", "secret2",
			},
			expected: []string{
				"rac", "localhost:1545", "infobase", "update",
				"--cluster-pwd=***",
				"--infobase-pwd", "***",
			},
		},
	}
	
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			actual := maskPasswords(tt.command)
			
			if len(actual) != len(tt.expected) {
				t.Errorf("Expected length %d, got %d", len(tt.expected), len(actual))
				return
			}
			
			for i, expected := range tt.expected {
				if actual[i] != expected {
					t.Errorf("At index %d: expected '%s', got '%s'", i, expected, actual[i])
				}
			}
		})
	}
}

func TestNewLogger(t *testing.T) {
	tests := []struct {
		name     string
		level    string
		expected string // Мы не можем напрямую проверить уровень, но можем проверить что логгер создается
	}{
		{"debug level", "debug", "debug"},
		{"info level", "info", "info"},
		{"warn level", "warn", "warn"},
		{"error level", "error", "error"},
		{"unknown level defaults to info", "unknown", "info"},
		{"empty level defaults to info", "", "info"},
	}
	
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			logger := NewLogger(tt.level)
			if logger == nil {
				t.Error("Expected logger to be created, got nil")
			}
			
			// Проверяем что логгер реализует интерфейс Logger
			var _ Logger = logger
		})
	}
}

func TestSlogLoggerMethods(t *testing.T) {
	// Создаем логгер для тестирования
	logger := NewLogger("debug")
	
	// Тестируем что методы не паникуют
	t.Run("debug method", func(t *testing.T) {
		defer func() {
			if r := recover(); r != nil {
				t.Errorf("Debug method panicked: %v", r)
			}
		}()
		logger.Debug("test debug message", "key", "value")
	})
	
	t.Run("info method", func(t *testing.T) {
		defer func() {
			if r := recover(); r != nil {
				t.Errorf("Info method panicked: %v", r)
			}
		}()
		logger.Info("test info message", "key", "value")
	})
	
	t.Run("warn method", func(t *testing.T) {
		defer func() {
			if r := recover(); r != nil {
				t.Errorf("Warn method panicked: %v", r)
			}
		}()
		logger.Warn("test warn message", "key", "value")
	})
	
	t.Run("error method", func(t *testing.T) {
		defer func() {
			if r := recover(); r != nil {
				t.Errorf("Error method panicked: %v", r)
			}
		}()
		logger.Error("test error message", "key", "value")
	})
	
	t.Run("debug command method", func(t *testing.T) {
		defer func() {
			if r := recover(); r != nil {
				t.Errorf("DebugCommand method panicked: %v", r)
			}
		}()
		command := []string{"rac", "--cluster-pwd=secret", "command"}
		logger.DebugCommand("test command", command)
	})
}

func TestMaskPasswordsEdgeCases(t *testing.T) {
	tests := []struct {
		name     string
		command  []string
		expected []string
	}{
		{
			name:     "empty command",
			command:  []string{},
			expected: []string{},
		},
		{
			name:     "single element",
			command:  []string{"rac"},
			expected: []string{"rac"},
		},
		{
			name: "password flag at end without value",
			command: []string{
				"rac", "localhost:1545", "--cluster-pwd",
			},
			expected: []string{
				"rac", "localhost:1545", "--cluster-pwd",
			},
		},
		{
			name: "password flag with empty value",
			command: []string{
				"rac", "localhost:1545", "--cluster-pwd=",
			},
			expected: []string{
				"rac", "localhost:1545", "--cluster-pwd=***",
			},
		},
	}
	
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			actual := maskPasswords(tt.command)
			
			if len(actual) != len(tt.expected) {
				t.Errorf("Expected length %d, got %d", len(tt.expected), len(actual))
				return
			}
			
			for i, expected := range tt.expected {
				if actual[i] != expected {
					t.Errorf("At index %d: expected '%s', got '%s'", i, expected, actual[i])
				}
			}
		})
	}
}