/**
 * TODO file description
 * 
 * Created on 2020/04/09.
 */

#ifndef CSPEMU_CONSOLE_IOIMPL_H
#define CSPEMU_CONSOLE_IOIMPL_H

#include <freertos/FreeRTOS.h>
#include <freertos/ringbuf.h>
#include <socket_server.h>
#include <console/console.h>

/** Console ring buffer capacity */
#define CONSOLE_BUFSIZE 512

/** Enum for tagging ioimpl kind */
enum console_iokind {
    CONSOLE_IO_FILES,
    CONSOLE_IO_TELNET,
};

#define CONSOLE_IOIMPL_MAGIC 0x079fbf72

struct console_ioimpl {
    /** This is a tag for the following union */
    enum console_iokind kind;
    union {
        /** STDIO variant data */
        struct {
            /** STDIN */
            FILE *inf;
            /** STDOUT */
            FILE *outf;
        } files;

        /** Telnet variant data */
        struct {
            /** TCP client handle */
            TcpdClient_t tcpcli;
            /** Received data ring buffer */
            RingbufHandle_t console_stdin_ringbuf;
        } telnet;
    };

    /** Console context */
    console_ctx_t ctx;
    uint32_t __magic;
};

/**
 * Setup UART IO for console
 */
void console_setup_uart_stdio(void);

/**
 * Start console for stdin/stdout (UART)
 *
 * @param pIo - pointer where the allocated struct will be stored
 * @param hdl - handle to the created task, can be NULL if not used
 * @return success
 */
esp_err_t console_start_stdio(struct console_ioimpl **pIo, TaskHandle_t * hdl);

/**
 * Start console for a TCP client
 *
 * @param pIo - pointer where the allocated struct will be stored
 * @param hdl - handle to the created task, can be NULL if not used
 * @param client - TCP server client handle
 * @return success
 */
esp_err_t console_start_tcp(struct console_ioimpl **pIo, TaskHandle_t * hdl, TcpdClient_t client);


#endif //CSPEMU_CONSOLE_IOIMPL_H