#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <unistd.h>

#include "botlib.h"

/* For each bot command, private message or group message (but this only works

* if the bot is set as group admin), this function is called in a new thread,

* with its private state, sqlite database handle and so forth.

*

* For group messages, this function is ONLY called if one of the patterns

* specified as "triggers" in startBot() matched the message. Otherwise we

* would spawn threads too often :) */

void handleRequest(sqlite3 *dbhandle, BotRequest *br) {

char buf[256];

char *where = br->type == TB_TYPE_PRIVATE ? "privately" : "publicly";

snprintf(buf, sizeof(buf), "I just %s received: %s", where, br->request);

int64_t sent_chat_id, sent_message_id;

botSendMessageAndGetInfo(br->target,buf,0,&sent_chat_id,&sent_message_id);

printf("Sent message IDs: chat_id:%lld message_id:%lld\n",

(long long) sent_chat_id, (long long) sent_message_id);

/* Edit message after 1 second. */

sleep(1);

snprintf(buf, sizeof(buf), "I just %s received: %s :D", where, br->request);

botEditMessageText(sent_chat_id,sent_message_id,buf);

/* Words received in this request. */

for (int j = 0; j < br->argc; j++)

printf("%d. %s | ", j, br->argv[j]);

printf("is was mentioned? %d | ", br->bot_mentioned);

if (br->mentions) {

printf("mentions: ");

for (int j = 0; j < br->num_mentions; j++)

printf("%s, ",br->mentions[j]);

}

printf("\n");

/* Show if the message has a voice file inside. */

if (br->file_type == TB_FILE_TYPE_VOICE_OGG) {

printf("Voice file ID: %s\n", br->file_id);

botGetFile(br,"audio.oga");

}

/* Let's use our key-value store API on top of Sqlite. If the

* user in a Telegram group tells "foo is bar" we will set the

* foo key to bar. Then if somebody write "foo?" and we have an

* associated key, we reply with what "foo" is. */

if (br->argc >= 3 && !strcasecmp(br->argv[1],"is")) {

kvSet(dbhandle,br->argv[0],br->request,0);

/* Note that in this case we don't use 0 as "from" field, so

* we are sending a reply to the user, not a general message

* on the channel. */

botSendMessage(br->target,"Ok, I'll remember.",br->msg_id);

}

int reqlen = strlen(br->request);

if (br->argc == 1 && reqlen && br->request[reqlen-1] == '?') {

char *copy = strdup(br->request);

copy[reqlen-1] = 0;

printf("Looking for key %s\n", copy);

sds res = kvGet(dbhandle,copy);

if (res) {

botSendMessage(br->target,res,0);

}

sdsfree(res);

free(copy);

}

}

// This is just called every 1 or 2 seconds. */

void cron(sqlite3 *dbhandle) {

UNUSED(dbhandle);

printf("."); fflush(stdout);

}

int main(int argc, char **argv) {

static char *triggers[] = {

"Echo *",

"Hi!",

"* is *",

"*\?",

"!ls",

NULL,

};

startBot(TB_CREATE_KV_STORE, argc, argv, TB_FLAGS_NONE, handleRequest, cron, triggers);

return 0; /* Never reached. */

}