#include "cli.hpp"
#include "commands.hpp"
#include "config.hpp"

#include <iostream>
#include <cstdlib>
#include <string>

#include "libs/linenoise.h"

static void completionCallback(const char *input, linenoiseCompletions *completions) {
    if (strncmp(input, "ni", 2) == 0) {
        linenoiseAddCompletion(completions, "nick set ");
        linenoiseAddCompletion(completions, "nick generatekey");
    }
    else if (strncmp(input, "web", 3) == 0) {
        linenoiseAddCompletion(completions, "web start");
        linenoiseAddCompletion(completions, "web connect pm 127.0.0.1");
        linenoiseAddCompletion(completions, "web stop");
    }
    else if (strncmp(input, "sound", 5) == 0) {
        linenoiseAddCompletion(completions, "sound find");
        linenoiseAddCompletion(completions, "sound lose");
    }
}

void runCLI(AppConfig &config) {
    linenoiseHistoryLoad("history.txt");

    linenoiseSetCompletionCallback(completionCallback);

    std::cout << CLR_CYAN "Cerberus BFSK Demo (linenoise + color)\n"
              << "Доступные команды:\n"
              << "  nick set <usernick>\n"
              << "  nick generatekey\n"
              << "  web start / web connect pm|server <ip> / web stop\n"
              << "  sound find / sound lose\n"
              << "  exit\n\n" CLR_RESET;

    while (true) {
        char *line = linenoise(CLR_BOLD ">_ " CLR_RESET);
        if (!line) {
            std::cout << "\n[cli] EOF/Ctrl+C - выходим.\n";
            break;
        }
        std::string input(line);
        free(line);

        if (!input.empty()) {
            linenoiseHistoryAdd(input.c_str());
            linenoiseHistorySave("history.txt");

            processCommand(input, config);
        }
    }
}