#include <stdio.h>
#include <fcntl.h>
#include "esp_err.h"
#include "esp_system.h"
#include "esp_log.h"
#include "esp_console.h"
#include "esp_vfs_dev.h"
#include "linenoise/linenoise.h"
#include "esp_vfs_usb_serial_jtag.h"
#include "driver/usb_serial_jtag.h"
#include "cmd_system.h"
#include "can.h"
#include "fs.h"
#include "console_task.h"


static void initialize_console(void) {
    /* Disable buffering on stdin */
    setvbuf(stdin, NULL, _IONBF, 0);

    /* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
    esp_vfs_dev_usb_serial_jtag_set_rx_line_endings(ESP_LINE_ENDINGS_CR);
    /* Move the caret to the beginning of the next line on '\n' */
    esp_vfs_dev_usb_serial_jtag_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);

    /* Enable non-blocking mode on stdin and stdout */
    fcntl(fileno(stdout), F_SETFL, 0);
    fcntl(fileno(stdin), F_SETFL, 0);

    usb_serial_jtag_driver_config_t usb_serial_jtag_config = USB_SERIAL_JTAG_DRIVER_CONFIG_DEFAULT();

    /* Install USB-SERIAL-JTAG driver for interrupt-driven reads and writes */
    ESP_ERROR_CHECK(usb_serial_jtag_driver_install(&usb_serial_jtag_config));

    /* Tell vfs to use usb-serial-jtag driver */
    esp_vfs_usb_serial_jtag_use_driver();

    /* Initialize the console */
    esp_console_config_t console_config = {
        .max_cmdline_args = 8,
        .max_cmdline_length = 256,
#if CONFIG_LOG_COLORS
        .hint_color = atoi(LOG_COLOR_CYAN)
#endif
    };
    ESP_ERROR_CHECK(esp_console_init(&console_config));

    /* Configure linenoise line completion library */
    /* Enable multiline editing. If not set, long commands will scroll within
     * single line.
     */
    linenoiseSetMultiLine(1);

    /* Tell linenoise where to get command completions and hints */
    // linenoiseSetCompletionCallback(&esp_console_get_completion);
    linenoiseSetHintsCallback((linenoiseHintsCallback*) &esp_console_get_hint);

    /* Set command history size */
    linenoiseHistorySetMaxLen(100);

    /* Set command maximum length */
    linenoiseSetMaxLineLen(console_config.max_cmdline_length);

    /* Allow empty lines */
    linenoiseAllowEmpty(true);

    /* Load command history from filesystem */
    linenoiseHistoryLoad(HISTORY_PATH);
}

void app_main(void) {
    can_init();
    xTaskCreate(can_task, "can task", 4096, NULL, CONFIG_CAN_TASK_PRIORITY, NULL);
    initialize_filesystem();
    initialize_console();

    /* Register commands */
    esp_console_register_help_command();
    register_system();

    xTaskCreate(console_task, "console task", 4096, NULL, CONFIG_CONSOLE_TASK_PRIORITY, NULL);

}