#include "uart.h"
#include "task.h"
#include "shell.h"
#include <string.h>

void shell_run() {
    char input[64];
    int pos = 0;

    uart_write("MiniOS Shell> ");

    while (1) {
        char c = uart_getchar();
        uart_putchar(c); // Echo
        if (c == '\r' || c == '\n') {
            input[pos] = '\0';
            uart_write("\n");

            if (strcmp(input, "echo") == 0) {
                uart_write("Echo test\n");
            } else if (strcmp(input, "ps") == 0) {
                uart_write("Task list: [0] task1, [1] task2\n");
            } else if (strcmp(input, "halt") == 0) {
                uart_write("System halted.\n");
                while (1);
            } else {
                uart_write("Unknown command\n");
            }

            pos = 0;
            uart_write("MiniOS Shell> ");
        } else {
            input[pos++] = c;
        }
    }
}