#include "../src/cli.h"
#include <cassert>
#include <cstdio>
#include <fstream>
#include <string>
#include <unistd.h>  // mkdtemp

int main() {
    using namespace bfebbx;

    // parseArgs
    {
        const char* argv[] = {"bfebbx", "--port", "/dev/ttyACM0",
                              "--output", "/tmp/out", "--craft-name", "Vroom",
                              "--timeout", "45", "-v"};
        Options o = parseArgs(10, const_cast<char**>(argv));
        assert(o.port == "/dev/ttyACM0");
        assert(o.output == "/tmp/out");
        assert(o.craftName == "Vroom");
        assert(o.timeoutSec == 45);
        assert(o.verbose);
    }
    {
        const char* argv[] = {"bfebbx"};
        Options o = parseArgs(1, const_cast<char**>(argv));
        assert(o.output == ".");
        assert(o.timeoutSec == 30);
        assert(!o.verbose);
    }
    {
        const char* argv[] = {"bfebbx", "--bogus"};
        bool threw = false;
        try { parseArgs(2, const_cast<char**>(argv)); }
        catch (const std::exception&) { threw = true; }
        assert(threw);
    }
    {
        const char* argv[] = {"bfebbx", "--timeout", "45abc"};
        bool threw = false;
        try { parseArgs(3, const_cast<char**>(argv)); }
        catch (const std::exception&) { threw = true; }
        assert(threw);
    }
    {
        const char* argv[] = {"bfebbx", "--timeout", "-5"};
        bool threw = false;
        try { parseArgs(3, const_cast<char**>(argv)); }
        catch (const std::exception&) { threw = true; }
        assert(threw);
    }
    {
        const char* argv[] = {"bfebbx", "--timeout", "45"};
        Options o = parseArgs(3, const_cast<char**>(argv));
        assert(o.timeoutSec == 45);
    }

    // scanPorts against a temp directory
    {
        char tmpl[] = "/tmp/bfebbxXXXXXX";
        char* dir = mkdtemp(tmpl);
        assert(dir != nullptr);
        std::string d = dir;
        for (const char* n : {"ttyACM0", "ttyACM1", "ttyS0", "random"}) {
            std::ofstream(d + "/" + n).put('x');
        }
        auto ports = scanPorts(d, "ttyACM");
        assert(ports.size() == 2);
        assert(ports[0] == d + "/ttyACM0");
        assert(ports[1] == d + "/ttyACM1");
    }

    return 0;
}