// this example use uart to update rtc
#include "bsp.h"
#include <stm32u575xx.h>
#include "prepherials.h"
#include "command.h"

#include <string.h>

static void usart_event_handler();

int __io_putchar(int ch) {
    return usart1.send((uint8_t *) &ch, 1);
}

#include <stdio.h>

int main() {
    uint32_t reset_reason = RCC->CSR;       // get reset reason
    system_init();
    setup_prepherials();
    pa.init(USART1_TX_Pin, AF, 7);
    pa.init(USART1_RX_Pin, AF, 7);
    usart1.init();

    printf("reset reason: %lx\n", reset_reason);

    while (1) {
        delay.delay_ms(200, true);
        usart_event_handler();

    }
}

void usart_event_handler() {
    char data[50];
    uint32_t len = 50;
    if (usart1.get_line((uint8_t *) data, len) != HAL_OK) {
        return;
    }
    if (len == 0) {
        return;
    }
    char *argv[10];
    uint8_t argc = 10;
    command_parse(data, len, argv, &argc);
    if (argc == 0) {
        printf("no command found.\n "
               "rtc_set year month day hour minute second"
               "rtc_get second|minute|hour|day|month|year|time"
               "\n");
        return;
    }
    if (strcmp(argv[0], "rtc_set") == 0) {
        if (argc != 7) {
            printf("rtc_set year month day hour minute second\n");
            return;
        }
        printf("rtc_set %s %s %s %s %s %s\n", argv[1], argv[2], argv[3], argv[4], argv[5], argv[6]);
        rtc.rtc_setup_time((uint8_t) atoi(argv[1]), (uint8_t) atoi(argv[2]),
                           (uint8_t) atoi(argv[3]), (uint8_t) atoi(argv[4]),
                           (uint8_t) atoi(argv[5]), (uint8_t) atoi(argv[6]));
    } else if (strcmp(argv[0], "rtc_get") == 0) {
        if (argc != 2) {
            printf("rtc_get second|minute|hour|day|month|year|time\n");
            return;
        }
        uint8_t val;
        if (strcmp(argv[1], "second") == 0) {
            rtc.rtc_get_second(&val);
            printf("second: %d\n", val);
        } else if (strcmp(argv[1], "minute") == 0) {
            rtc.rtc_get_minute(&val);
            printf("minute: %d\n", val);
        } else if (strcmp(argv[1], "hour") == 0) {
            rtc.rtc_get_hour(&val);
            printf("hour: %d\n", val);
        } else if (strcmp(argv[1], "day") == 0) {
            rtc.rtc_get_day(&val);
            printf("day: %d\n", val);
        } else if (strcmp(argv[1], "month") == 0) {
            rtc.rtc_get_month(&val);
            printf("month: %d\n", val);
        } else if (strcmp(argv[1], "year") == 0) {
            rtc.rtc_get_year(&val);
            printf("year: %d\n", val);
        } else if (strcmp(argv[1], "time") == 0) {
            uint8_t second, minute, hour, day, month, year;
            rtc.rtc_get_datetime(&year, &month, &day, &hour, &minute, &second);
            printf("%02d-%02d-%02d %02d:%02d:%02d\n", year, month, day, hour, minute, second);
        } else {
            printf("unknown command. rtc_get second|minute|hour|day|month|year|time");
        }
    } else {
        printf("unkonw command %s.\n"
               "rtc_set year month day hour minute second\n"
               "rtc_get second|minute|hour|day|month|year|time"
               "\n", argv[0]);
    }
}