#include "../common.h"
#include "../uart.h"
#include <stdarg.h>

#define VPRINT(method, format, args) \
    VPRINT_(method, format, args)
#define VPRINT_(method, format, args) \
    method ## _ ## vprintf(format, args)

#define PRINT(method, str)\
    PRINT_(method, str)
#define PRINT_(method, str)\
    method ## _ ## puts(str)

#define DEFAULT_OUTPUT_METHOD uart
#define DEFAULT_PRINT_ARGS(format)  \
    va_list args = nullptr;         \
    va_start(args, format);         \
    DEFAULT_VPRINT(format, args);    \
    va_end(args)
#define DEFAULT_VPRINT(format, args) \
    VPRINT(DEFAULT_OUTPUT_METHOD, format, args)
#define DEFAULT_PRINT(str)\
    PRINT(DEFAULT_OUTPUT_METHOD, str)

void panic(const char *format, ...) {
    DEFAULT_PRINT("Kernel panic!");
    DEFAULT_PRINT("Reason:");

    // Print the reason
    DEFAULT_PRINT_ARGS(format);

    // Hang
    asm volatile("wfi");
}

void print(const char *format, ...) {
    DEFAULT_PRINT_ARGS(format);
}