#include <doctest/doctest.h>

#include "fgc/CommandParser.h"

using namespace fgc;

TEST_CASE("parseCommand handles single-verb commands") {
    auto c = parseCommand("snapshot");
    CHECK(c.verb == "snapshot");
    CHECK(c.device.empty());
    CHECK_FALSE(c.has_value);
}

TEST_CASE("parseCommand takes the second word as the device") {
    auto c = parseCommand("capture on");
    CHECK(c.verb == "capture");
    CHECK(c.device == "on");
    CHECK(c.option.empty());
    CHECK_FALSE(c.has_value);
}

TEST_CASE("parseCommand keeps option plus trailing numeric value") {
    auto c = parseCommand("gimbal nudge yaw 5");
    CHECK(c.verb == "gimbal");
    CHECK(c.device == "nudge");
    CHECK(c.option == "yaw");
    CHECK(c.has_value);
    CHECK(c.value == doctest::Approx(5.0));
}

TEST_CASE("parseCommand joins non-numeric trailing words into the option") {
    auto c = parseCommand("set camera profile night");
    CHECK(c.device == "camera");
    CHECK(c.option == "profile night");
    CHECK_FALSE(c.has_value);
}

TEST_CASE("parseCommand on empty input") {
    CHECK(parseCommand("").empty());
    CHECK(parseCommand("   ").empty());
}