/**
 * @file tests/device_state.cpp
 * @brief brief
 * @date Mar 14, 2016
 * @author jjacobs
 * @copyright 2016 Dual Inventive Technology Centre B.V.
 *
 * descr
 */
#include <gtest/gtest.h>

#include <di/device.h>

TEST(device_activation, initial) {
	EXPECT_EQ(false, di_device_is_active());
}

TEST(device_activation, activate) {
	/* Activate is a denied operation from IDLE state */
	EXPECT_EQ(DI_DEVICE_STATE_IDLE, di_device_state_get());
	EXPECT_EQ(DNE_OPDENIED, di_device_activate());

	/* Activate, first set token (IDLE -> ARMED -> ACTIVE) */
	EXPECT_EQ(DNOK, di_device_token_set(1234));
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_activate());
	EXPECT_EQ(DI_DEVICE_STATE_ACTIVE, di_device_state_get());

	/* Try to activate again, this operation is ignored */
	EXPECT_EQ(DNOK, di_device_activate());

	/* Reset, ACTIVE -> ARMED -> IDLE */
	EXPECT_EQ(DNOK, di_device_deactivate());
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_token_reset());
	EXPECT_EQ(DI_DEVICE_STATE_IDLE, di_device_state_get());
}

TEST(device_activation, deactivate) {
	/* Deactivate is a denied operation from IDLE state */
	EXPECT_EQ(DNE_OPDENIED, di_device_deactivate());

	/* Deactivate is a ignored operation from ARMED state */
	EXPECT_EQ(DNOK, di_device_token_set(1234));
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_deactivate());

	/* Deactivate, first activate (ARMED -> ACTIVE -> ARMED) */
	EXPECT_EQ(DNOK, di_device_activate());
	EXPECT_EQ(DI_DEVICE_STATE_ACTIVE, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_deactivate());
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	/* Reset ARMED -> IDLE */
	EXPECT_EQ(DNOK, di_device_token_reset());
	EXPECT_EQ(DI_DEVICE_STATE_IDLE, di_device_state_get());
}

TEST(device_activation, set) {
	/* Activate, first set token (IDLE -> ARMED -> ACTIVE) */
	EXPECT_EQ(DNOK, di_device_token_set(1234));
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_activate());
	EXPECT_EQ(DI_DEVICE_STATE_ACTIVE, di_device_state_get());

	/* Set ACTIVE -> ARMED */
	EXPECT_EQ(DNOK, di_device_activation_set(false));
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	/* Set ARMED -> ARMED, check if DNOK is returned  */
	EXPECT_EQ(DNOK, di_device_activation_set(false));

	/* Set ARMED -> ACTIVE */
	EXPECT_EQ(DNOK, di_device_activation_set(true));
	EXPECT_EQ(DI_DEVICE_STATE_ACTIVE, di_device_state_get());

	/* Reset, ACTIVE -> ARMED -> IDLE */
	EXPECT_EQ(DNOK, di_device_deactivate());
	EXPECT_EQ(DI_DEVICE_STATE_ARMED, di_device_state_get());

	EXPECT_EQ(DNOK, di_device_token_reset());
	EXPECT_EQ(DI_DEVICE_STATE_IDLE, di_device_state_get());
}