#include <stdio.h>
#include <string.h>

#include "coordinate.h"
#include "input.h"
#include "move.h"

#define LENGTH 80

static Coord _input_coord() {
    char line[LENGTH];
    int done = 0;   

    while (!done) {
        fgets(line, LENGTH, stdin);

        if (strnlen(line, LENGTH) == 3 && line[2] == '\n')
            line[2] = 0;

        if (!coord_is_valid(line))
            printf("Invalid coordinate. Write something like \"e2\": ");
        else
            done = 1;
    }
        
    return coord_init(line);
}

static Coord _input_orig_coord() {
    printf("Orig coordinate: ");

    return _input_coord();
}

static Coord _input_dest_coord() {
    printf("Dest coordinate: ");

    return _input_coord();
}

Move input_move() {
    Coord orig = _input_orig_coord();
    Coord dest = _input_dest_coord();

    return move_init(orig, dest);
}