package lang

// Server and entity comparison functions for parser tests

func serverEqual(got, want Server) bool {
	if got.Name != want.Name {
		return false
	}

	if len(got.Settings) != len(want.Settings) {
		return false
	}

	for i, setting := range got.Settings {
		if !serverSettingEqual(setting, want.Settings[i]) {
			return false
		}
	}

	return true
}

func serverSettingEqual(got, want ServerSetting) bool {
	return configValueEqual(got.Host, want.Host) &&
		intValueEqual(got.Port, want.Port) &&
		configValueEqual(got.DatabaseURL, want.DatabaseURL) &&
		configValueEqual(got.APIKey, want.APIKey) &&
		configValueEqual(got.SSLCert, want.SSLCert) &&
		configValueEqual(got.SSLKey, want.SSLKey)
}

func configValueEqual(got, want *ConfigValue) bool {
	if got == nil && want == nil {
		return true
	}
	if got == nil || want == nil {
		return false
	}

	// Check literal values
	if got.Literal != nil && want.Literal != nil {
		return *got.Literal == *want.Literal
	}
	if got.Literal != nil || want.Literal != nil {
		return false
	}

	// Check environment variables
	if got.EnvVar != nil && want.EnvVar != nil {
		return envVarEqual(*got.EnvVar, *want.EnvVar)
	}
	return got.EnvVar == nil && want.EnvVar == nil
}

func intValueEqual(got, want *IntValue) bool {
	if got == nil && want == nil {
		return true
	}
	if got == nil || want == nil {
		return false
	}

	// Check literal values
	if got.Literal != nil && want.Literal != nil {
		return *got.Literal == *want.Literal
	}
	if got.Literal != nil || want.Literal != nil {
		return false
	}

	// Check environment variables
	if got.EnvVar != nil && want.EnvVar != nil {
		return envVarEqual(*got.EnvVar, *want.EnvVar)
	}
	return got.EnvVar == nil && want.EnvVar == nil
}

func envVarEqual(got, want EnvVar) bool {
	if got.Name != want.Name {
		return false
	}
	if got.Required != want.Required {
		return false
	}
	return stringPtrEqual(got.Default, want.Default)
}

func entityEqual(got, want Entity) bool {
	if got.Name != want.Name {
		return false
	}

	if !stringPtrEqual(got.Description, want.Description) {
		return false
	}

	if len(got.Fields) != len(want.Fields) {
		return false
	}

	for i, field := range got.Fields {
		if !fieldEqual(field, want.Fields[i]) {
			return false
		}
	}

	return true
}

func endpointEqual(got, want Endpoint) bool {
	return got.Method == want.Method &&
		got.Path == want.Path &&
		stringPtrEqual(got.Entity, want.Entity) &&
		stringPtrEqual(got.Description, want.Description) &&
		got.Auth == want.Auth &&
		stringPtrEqual(got.CustomLogic, want.CustomLogic)
	// TODO: Add params and response comparison if needed
}