/*  OnePAD - author: arcum42(@gmail.com)
 *  Copyright (C) 2009
 *
 *  Based on ZeroPAD, author zerofrog@gmail.com
 *  Copyright (C) 2006-2007
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include <string.h>

#include "GamePad.h"
#include "keyboard.h"
#include "onepad.h"
#include "linux.h"

extern std::string s_strIniPath;

string KeyName(int pad, int key, int keysym)
{
    string tmp;
    tmp.resize(28);

    if (keysym) {
        if (keysym < 10) {
            // mouse
            switch (keysym) {
                case 1:
                    sprintf(&tmp[0], "Mouse Left");
                    break;
                case 2:
                    sprintf(&tmp[0], "Mouse Middle");
                    break;
                case 3:
                    sprintf(&tmp[0], "Mouse Right");
                    break;
                default: // Use only number for extra button
                    sprintf(&tmp[0], "Mouse %d", keysym);
            }
        } else {
            // keyboard
            char *pstr = XKeysymToString(keysym);
            if (pstr != NULL)
                tmp = pstr;
        }
    }

    return tmp;
}

void DefaultKeyboardValues()
{
    set_keyboard_key(0, XK_a, PAD_L2);
    set_keyboard_key(0, XK_semicolon, PAD_R2);
    set_keyboard_key(0, XK_w, PAD_L1);
    set_keyboard_key(0, XK_p, PAD_R1);
    set_keyboard_key(0, XK_i, PAD_TRIANGLE);
    set_keyboard_key(0, XK_l, PAD_CIRCLE);
    set_keyboard_key(0, XK_k, PAD_CROSS);
    set_keyboard_key(0, XK_j, PAD_SQUARE);
    set_keyboard_key(0, XK_v, PAD_SELECT);
    set_keyboard_key(0, XK_n, PAD_START);
    set_keyboard_key(0, XK_e, PAD_UP);
    set_keyboard_key(0, XK_f, PAD_RIGHT);
    set_keyboard_key(0, XK_d, PAD_DOWN);
    set_keyboard_key(0, XK_s, PAD_LEFT);
}

void SaveConfig()
{
    FILE *f;

    const std::string iniFile(s_strIniPath + "OnePAD2.ini");
    f = fopen(iniFile.c_str(), "w");
    if (f == NULL) {
        printf("OnePAD: failed to save ini %s\n", iniFile.c_str());
        return;
    }

    fprintf(f, "log = %d\n", conf->log);
    fprintf(f, "options = %d\n", conf->packed_options);
    fprintf(f, "mouse_sensibility = %d\n", conf->get_sensibility());
    fprintf(f, "ff_intensity = %d\n", conf->get_ff_intensity());
    fprintf(f, "uid[0] = %zu\n", conf->get_joy_uid(0));
    fprintf(f, "uid[1] = %zu\n", conf->get_joy_uid(1));

    for (int pad = 0; pad < GAMEPAD_NUMBER; pad++)
        for (auto const &it : conf->keysym_map[pad])
            fprintf(f, "PAD %d:KEYSYM 0x%x = %d\n", pad, it.first, it.second);

    for (auto const &it : conf->sdl2_mapping)
        fprintf(f, "SDL2 = %s\n", it.c_str());

    fclose(f);
}

void LoadConfig()
{
    FILE *f;
    bool have_user_setting = false;

    if (!conf)
        conf = new PADconf;

    conf->init();

    const std::string iniFile(s_strIniPath + "OnePAD2.ini");
    f = fopen(iniFile.c_str(), "r");
    if (f == NULL) {
        printf("OnePAD: failed to load ini %s\n", iniFile.c_str());
        SaveConfig(); //save and return
        return;
    }

    u32 value;
    if (fscanf(f, "log = %u\n", &value) == 1)
        conf->log = value;

    if (fscanf(f, "options = %u\n", &value) == 1)
        conf->packed_options = value;

    if (fscanf(f, "mouse_sensibility = %u\n", &value) == 1)
        conf->set_sensibility(value);

    if (fscanf(f, "ff_intensity = %u\n", &value) == 1)
        conf->set_ff_intensity(value);

    size_t uid;
    if (fscanf(f, "uid[0] = %zu\n", &uid) == 1)
        conf->set_joy_uid(0, uid);
    if (fscanf(f, "uid[1] = %zu\n", &uid) == 1)
        conf->set_joy_uid(1, uid);

    u32 pad;
    u32 keysym;
    u32 index;
    while (fscanf(f, "PAD %u:KEYSYM 0x%x = %u\n", &pad, &keysym, &index) == 3) {
        set_keyboard_key(pad & 1, keysym, index);
        if (pad == 0)
            have_user_setting = true;
    }

    char sdl2[512];
    while (fscanf(f, "SDL2 = %511[^\n]\n", sdl2) == 1)
        conf->sdl2_mapping.push_back(std::string(sdl2));

    if (!have_user_setting)
        DefaultKeyboardValues();

    fclose(f);
}