#include <stdio.h>
#include <stdint.h>
#include <string.h>

#include <gtest/gtest.h>
#include <di/drv/hl854x.h>

static struct di_drv_hl854x_ctx ctx;
static char *read_cb_testdata = NULL;

size_t test_drv_hl854x_read_cb(void *buf, size_t nbyte)
{
	size_t _nbyte = strlen(read_cb_testdata);

	if (nbyte < _nbyte)
		return 0;

	memcpy(buf, read_cb_testdata, _nbyte);

	return _nbyte;
}

void test_hl854x_reset(void)
{
	di_drv_hl854x_init(&ctx);
	di_drv_hl854x_set_read(&ctx, test_drv_hl854x_read_cb);
}

TEST(drv_hl854x, req_modem_revision) {
	char test[] = "RHL85xx.5.5.14.0.201502091756.x6250_1\r\r\n\r\r\nOK\r\r\n";

	test_hl854x_reset();

	read_cb_testdata = test;
	di_drv_hl854x_req_modem_revision(&ctx);

	EXPECT_EQ(HL854X_REPLY_OK, ctx.reply);
	EXPECT_STREQ(static_cast<const char *>("RHL85xx.5.5.14.0.201502091756.x6250_1"), ctx.modem.revision);
}

TEST(drv_hl854x, req_modem_revision_cmd_echo) {
	char test[] = "AT+CGMR\r\r\nRHL85xx.5.5.14.0.201502091756.x6250_1\r\r\n\r\nOK\r\r\n";

	test_hl854x_reset();

	read_cb_testdata = test;
	di_drv_hl854x_req_modem_revision(&ctx);

	EXPECT_EQ(HL854X_REPLY_OK, ctx.reply);
	EXPECT_STREQ(static_cast<const char *>("RHL85xx.5.5.14.0.201502091756.x6250_1"), ctx.modem.revision);
}

TEST(drv_hl854x, req_modem_revision_cmd_leading_r_n) {
	char test[] = "\r\nRHL85xx.5.5.22.0.201603171544.x6250_3\r\n\r\nOK\r\n";

	test_hl854x_reset();

	read_cb_testdata = test;
	di_drv_hl854x_req_modem_revision(&ctx);

	EXPECT_EQ(HL854X_REPLY_OK, ctx.reply);
	EXPECT_STREQ(static_cast<const char *>("RHL85xx.5.5.22.0.201603171544.x6250_3"), ctx.modem.revision);
}

TEST(drv_hl854x, req_modem_revision_overflow) {
	char test[] = "AT+CGMR\r\r\nUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU\r\r\n\r\nOK\r\r\n";

	test_hl854x_reset();

	read_cb_testdata = test;
	di_drv_hl854x_req_modem_revision(&ctx);
}

TEST(drv_hl854x, req_imei) {
	char test[] = "+KGSN: 3515780000230001\r\nOK\r\n";

	test_hl854x_reset();

	read_cb_testdata = test;
	di_drv_hl854x_req_imeisv(&ctx);

	EXPECT_EQ(HL854X_REPLY_OK, ctx.reply);
	EXPECT_STREQ(static_cast<const char *>("3515780000230001"), ctx.modem.imei);
}