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path: root/testing/toxic/chat.c
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/*
 * Toxic -- Tox Curses Client
 */

#include <curses.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <ctype.h>
#include <time.h>

#include "../../core/Messenger.h"
#include "../../core/network.h"

#include "windows.h"

typedef struct {
  int friendnum;
  char line[MAX_STR_SIZE];
  size_t pos;
  WINDOW* history;
  WINDOW* linewin;
} ChatContext;

extern int active_window;

extern void del_window(ToxWindow *w, int f_num);
extern void fix_name(uint8_t *name);
void print_help(ChatContext *self);
void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo);

static void chat_onMessage(ToxWindow *self, int num, uint8_t *msg, uint16_t len)
{
  ChatContext *ctx = (ChatContext*) self->x;
  uint8_t nick[MAX_NAME_LENGTH] = {0};
  time_t now;
  time(&now);
  struct tm *timeinfo;
  timeinfo = localtime(&now);

  if (ctx->friendnum != num)
    return;

  getname(num, (uint8_t*) &nick);
  msg[len-1] = '\0';
  nick[MAX_NAME_LENGTH-1] = '\0';
  fix_name(msg);
  fix_name(nick);

  wattron(ctx->history, COLOR_PAIR(2));
  wprintw(ctx->history, "[%02d:%02d:%02d] ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
  wattroff(ctx->history, COLOR_PAIR(2));
  wattron(ctx->history, COLOR_PAIR(4));
  wprintw(ctx->history, "%s: ", nick);
  wattroff(ctx->history, COLOR_PAIR(4));
  wprintw(ctx->history, "%s\n", msg);

  self->blink = true;
  beep();
}

static void chat_onAction(ToxWindow *self, int num, uint8_t *action, uint16_t len)
{
  ChatContext *ctx = (ChatContext*) self->x;
  time_t now;
  time(&now);
  struct tm *timeinfo;
  timeinfo = localtime(&now);

  if (ctx->friendnum != num)
    return;

  action[len-1] = '\0';
  fix_name(action);

  wattron(ctx->history, COLOR_PAIR(2));
  wprintw(ctx->history, "[%02d:%02d:%02d] ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
  wattroff(ctx->history, COLOR_PAIR(2));

  wattron(ctx->history, COLOR_PAIR(4));
  wprintw(ctx->history, "%s\n", action);
  wattroff(ctx->history, COLOR_PAIR(4));

  self->blink = true;
  beep();
}

static void chat_onNickChange(ToxWindow *self, int num, uint8_t *nick, uint16_t len)
{
  ChatContext *ctx = (ChatContext*) self->x;
  if (ctx->friendnum != num)
    return;

  nick[len-1] = '\0';
  fix_name(nick);
  snprintf(self->title, sizeof(self->title), "[%s (%d)]", nick, num);

  wattron(ctx->history, COLOR_PAIR(3));
  wprintw(ctx->history, " * Your partner changed nick to '%s'\n", nick);
  wattroff(ctx->history, COLOR_PAIR(3));
}

static void chat_onStatusChange(ToxWindow *self, int num, uint8_t *status, uint16_t len)
{

}

/* check that the string has one non-space character */
int string_is_empty(char *string)
{
  int rc = 0;
  char *copy = strdup(string);
  rc = ((strtok(copy, " ") == NULL) ? 1:0);
  free(copy);
  return rc;
}

static void chat_onKey(ToxWindow *self, int key)
{
  ChatContext *ctx = (ChatContext*) self->x;
  time_t now;
  time(&now);
  struct tm * timeinfo;
  timeinfo = localtime(&now);

  /* Add printable characters to line */
  if (isprint(key)) {
    if (ctx->pos != sizeof(ctx->line)-1) {
      ctx->line[ctx->pos++] = key;
      ctx->line[ctx->pos] = '\0';
    }
  }

  /* RETURN key: Execute command or print line */
  else if (key == '\n') {
    if (ctx->line[0] == '/')
      execute(self, ctx, ctx->line, timeinfo);
    else {
      if (!string_is_empty(ctx->line)) {
        /* make sure the string has at least non-space character */
        wattron(ctx->history, COLOR_PAIR(2));
        wprintw(ctx->history, "[%02d:%02d:%02d] ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
        wattroff(ctx->history, COLOR_PAIR(2));
        wattron(ctx->history, COLOR_PAIR(1));
        wprintw(ctx->history, "you: ", ctx->line);
        wattroff(ctx->history, COLOR_PAIR(1));
        wprintw(ctx->history, "%s\n", ctx->line);
      }
      if (m_sendmessage(ctx->friendnum, (uint8_t*) ctx->line, strlen(ctx->line)+1) == 0) {
        wattron(ctx->history, COLOR_PAIR(3));
        wprintw(ctx->history, " * Failed to send message.\n");
        wattroff(ctx->history, COLOR_PAIR(3));
      }
    }
    ctx->line[0] = '\0';
    ctx->pos = 0;
  }

  /* BACKSPACE key: Remove one character from line */
  else if (key == 0x107 || key == 0x8 || key == 0x7f) {
    if (ctx->pos != 0) {
      ctx->line[--ctx->pos] = '\0';
    }
  }
}

void execute(ToxWindow *self, ChatContext *ctx, char *cmd, struct tm *timeinfo)
{
  if (!strcmp(cmd, "/clear") || !strcmp(cmd, "/c")) {
    wclear(self->window);
    wclear(ctx->history);
  }

  else if (!strcmp(cmd, "/help") || !strcmp(cmd, "/h"))
    print_help(ctx);

  else if (!strcmp(cmd, "/quit") || !strcmp(cmd, "/exit") || !strcmp(cmd, "/q")) {
    endwin();
    exit(0);
  }

  else if (!strncmp(cmd, "/me ", strlen("/me "))) {
    char *action = strchr(cmd, ' ');
    if (action == NULL) {
      wprintw(self->window, "Invalid syntax.\n");
      return;
    }
    action++;

    wattron(ctx->history, COLOR_PAIR(2));
    wprintw(ctx->history, "[%02d:%02d:%02d] ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
    wattroff(ctx->history, COLOR_PAIR(2));

    uint8_t selfname[MAX_NAME_LENGTH];
    int len = getself_name(selfname);
    char msg[MAX_STR_SIZE-len-4];
    snprintf(msg, sizeof(msg), "* %s %s\n", (uint8_t*) selfname, action);

    wattron(ctx->history, COLOR_PAIR(1));
    wprintw(ctx->history, msg);
    wattroff(ctx->history, COLOR_PAIR(1));
    if (m_sendaction(ctx->friendnum, (uint8_t*) msg, strlen(msg)+1) < 0) {
      wattron(ctx->history, COLOR_PAIR(3));
      wprintw(ctx->history, " * Failed to send action\n");
      wattroff(ctx->history, COLOR_PAIR(3));
    }
  }

  else if (!strncmp(cmd, "/status ", strlen("/status "))) {
    char *status = strchr(cmd, ' ');
    char *msg;
    char *status_text;
    if (status == NULL) {
      wprintw(ctx->history, "Invalid syntax.\n");
      return;
    }
    status++;
    USERSTATUS status_kind;
    if (!strncmp(status, "online", strlen("online"))) {
      status_kind = USERSTATUS_NONE;
      status_text = "ONLINE";
    }

    else if (!strncmp(status, "away", strlen("away"))) {
      status_kind = USERSTATUS_AWAY;
      status_text = "AWAY";
    }

    else if (!strncmp(status, "busy", strlen("busy"))) {
      status_kind = USERSTATUS_BUSY;
      status_text = "BUSY";
    }

    else {
      wprintw(ctx->history, "Invalid status.\n");
      return;
    }

    msg = strchr(status, ' ');
    if (msg == NULL) {
      m_set_userstatus(status_kind);
      wprintw(ctx->history, "Status set to: %s\n", status_text);
    }
    else {
      msg++;
      m_set_userstatus(status_kind);
      m_set_statusmessage((uint8_t*) msg, strlen(msg)+1);
      wprintw(ctx->history, "Status set to: %s, %s\n", status_text, msg);
    }
  }

  else if (!strncmp(cmd, "/nick ", strlen("/nick "))) {
    char *nick;
    nick = strchr(cmd, ' ');
    if (nick == NULL) {
      wprintw(ctx->history, "Invalid syntax.\n");
      return;
    }
    nick++;
    setname((uint8_t*) nick, strlen(nick)+1);
    wprintw(ctx->history, "Nickname set to: %s\n", nick);
  }

  else if (!strcmp(cmd, "/myid")) {
    char id[KEY_SIZE_BYTES*2+1] = {0};
    int i;
    for (i = 0; i < KEY_SIZE_BYTES; i++) {
      char xx[3];
      snprintf(xx, sizeof(xx), "%02x",  self_public_key[i] & 0xff);
      strcat(id, xx);
    }
    wprintw(ctx->history, "Your ID: %s\n", id);
  }

  else if (strcmp(ctx->line, "/close") == 0) {
    active_window = 0;    // Go to prompt screen
    int f_num = ctx->friendnum;
    delwin(ctx->linewin);
    del_window(self, f_num);
  }

  else
    wprintw(ctx->history, "Invalid command.\n");
}

static void chat_onDraw(ToxWindow *self)
{
  curs_set(1);
  int x, y;
  ChatContext *ctx = (ChatContext*) self->x;
  getmaxyx(self->window, y, x);
  (void) x;
  if (y < 3) return;

  wclear(ctx->linewin);
  mvwhline(ctx->linewin, 0, 0, '_', COLS);
  mvwprintw(self->window, y-1, 0, "%s\n", ctx->line);
  wrefresh(self->window);
}

static void chat_onInit(ToxWindow *self)
{
  int x, y;
  ChatContext *ctx = (ChatContext*) self->x;
  getmaxyx(self->window, y, x);
  ctx->history = subwin(self->window, y - 4, x, 0, 0);
  scrollok(ctx->history, 1);
  ctx->linewin = subwin(self->window, 2, x, y - 3, 0);
  print_help(ctx);
}

void print_help(ChatContext *self)
{
  wattron(self->history, COLOR_PAIR(2) | A_BOLD);
  wprintw(self->history, "Commands:\n");
  wattroff(self->history, A_BOLD);
  
  wprintw(self->history, "      /status <type> <message>   : Set your status\n");
  wprintw(self->history, "      /nick <nickname>           : Set your nickname\n");
  wprintw(self->history, "      /me <action>               : Do an action\n");
  wprintw(self->history, "      /myid                      : Print your ID\n");
  wprintw(self->history, "      /clear                     : Clear the screen\n");
  wprintw(self->history, "      /close                     : Close the current chat window\n");
  wprintw(self->history, "      /quit or /exit             : Exit program\n");
  wprintw(self->history, "      /help                      : Print this message again\n\n");

  wattroff(self->history, COLOR_PAIR(2));
}

ToxWindow new_chat(int friendnum)
{
  ToxWindow ret;
  memset(&ret, 0, sizeof(ret));

  ret.onKey = &chat_onKey;
  ret.onDraw = &chat_onDraw;
  ret.onInit = &chat_onInit;
  ret.onMessage = &chat_onMessage;
  ret.onNickChange = &chat_onNickChange;
  ret.onStatusChange = &chat_onStatusChange;
  ret.onAction = &chat_onAction;

  uint8_t nick[MAX_NAME_LENGTH] = {0};
  getname(friendnum, (uint8_t*) &nick);
  fix_name(nick);

  snprintf(ret.title, sizeof(ret.title), "[%s (%d)]", nick, friendnum);

  ChatContext *x = calloc(1, sizeof(ChatContext));
  x->friendnum = friendnum;
  ret.x = (void*) x;
  return ret;
}