#include <ao/ao.h>
#include <mpg123.h>
#include <stdlib.h>
#include <stdio.h>
#include "csoundbox.h"
#include "config.h"
#include <string.h>
#include <ncurses.h>
#define BITS 8


int main(int argc, char *argv[]) {
    cfginit();
    
    inputLocal();
    cfgdestroy();
    return 0;
}

void inputLocal(void) {
    initscr();
    nonl(); //no newline
    noecho();
    keypad(stdscr, FALSE); //Disable the F1-12 keypad
    curs_set(0); //Disable the cursor
    
    printCursesWelcome();
    
    char input;
    while ((input = getch()) != 13) {
        playSound(lookupSounds(input));
    }
    
    endwin();
}

void printCursesWelcome(void) {
    int y, x;
    getmaxyx(stdscr, y, x);
    //center
    y /= 2;
    x /= 2;
    const char *msg = "Press enter to exit.";
    mvprintw(y, x - (strlen(msg) / 2), msg);
}

void playSound(const char *path) {
    mpg123_handle *mh;
    unsigned char *buffer;
    size_t buffer_size;
    size_t done;
    int err;

    int driver;
    ao_device *dev;

    ao_sample_format format;
    int channels, encoding;
    long rate;

    /* initializations */
    ao_initialize();
    driver = ao_default_driver_id();
    mpg123_init();
    mh = mpg123_new(NULL, &err);
    buffer_size = mpg123_outblock(mh);
    buffer = (unsigned char*) malloc(buffer_size * sizeof(unsigned char));

    /* open the file and get the decoding format */
    mpg123_open(mh, path);
    mpg123_getformat(mh, &rate, &channels, &encoding);

    /* set the output format and open the output device */
    format.bits = mpg123_encsize(encoding) * BITS;
    format.rate = rate;
    format.channels = channels;
    format.byte_format = AO_FMT_NATIVE;
    format.matrix = 0;
    dev = ao_open_live(driver, &format, NULL);

    /* decode and play */
    while (mpg123_read(mh, buffer, buffer_size, &done) == MPG123_OK)
        ao_play(dev, (char *)buffer, done);

    /* clean up */
    free(buffer);
    ao_close(dev);
    mpg123_close(mh);
    mpg123_delete(mh);
    mpg123_exit();
    ao_shutdown();
}