#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include "constantes.h"
#include "structures.h"
#include "prototypes.h"
#include <time.h>

#include "actions.h"

static struct character_t *ai_find_random_target(const struct team_t *team)
{
    int alive = 0;
    int target_idx;

    for (int i = 0; i < team->chr_cnt; ++i) {
        if (team->chrs[i].alive)
            ++alive;
    }

    target_idx = rand() % alive;

    alive = 0;
    for (int i = 0; i < team->chr_cnt; ++i) {
        if (team->chrs[i].alive) {
            if (alive == target_idx)
                return &team->chrs[i];

            ++alive;
        }
    }

    /* no one is alive */
    return NULL;
}

void ai_play_turn(struct action_params_t *params)
{
    /* XXX complete brainless articial intelligence */

    struct team_t *target_team;
    struct character_t *target;

    target_team = (params->src->team == params->t1) ? params->t2 : params->t1;

    target = ai_find_random_target(target_team);

    if (target == NULL) {
        /* do nothing, everyone is dead */
        return;
    }

    attack(params->surfaces, params->positions, params->src, target, NULL);
}