#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Button.H>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <FL/Fl_Input.H>
Fl_Input* input_name;
Fl_Input* input_phone;
Fl_Input* input_accountpassword;
Fl_Input* input_cin_accountpassword;
Fl_Box *result_box;
Fl_Button *a;
Fl_Button *b;
Fl_Button *c;
Fl_Button *d;
Fl_Button *e;
Fl_Button *f;
Fl_Button *g;
Fl_Button *h;
Fl_Button *i;
Fl_Button *j;
Fl_Button *k;
Fl_Button *l;
Fl_Button *m;
Fl_Button *n;
Fl_Button *o;
Fl_Button *p;
Fl_Button *q;
Fl_Button *r;
std::string prize ;
std::string name;
std::string phone;
Fl_Button *back_menu;
Fl_Button *show_prize;
Fl_Button *repeat_cin_password;
std::string accountpassword;
std::string cin_password;
void show_all_buttons();
void hide_all_buttons();
void repeat_cin_password_callback(Fl_Widget *widget, void *data);
void show_prize_callback(Fl_Widget *widget, void *data);
int state;
int chance;
int aa;
int AA;
void back_menu_callback(Fl_Widget *widget, void *data) {
    result_box->label("");
    back_menu->hide();
    input_name->hide();
    input_phone->hide();
    input_accountpassword->hide();
    show_prize->show();
    show_all_buttons();
}
void hide_all_buttons() {
    a->hide();
    b->hide();
    c->hide();
    d->hide();
    e->hide();
    f->hide();
    g->hide();
    h->hide();
    i->hide();
    j->hide();
    k->hide();
    l->hide();
    m->hide();
    n->hide();
    o->hide();
    p->hide();
    q->hide();
    r->hide();
}
void show_all_buttons() {
    a->show();
    b->show();
    c->show();
    d->show();
    e->show();
    f->show();
    g->show();
    h->show();
    i->show();
    j->show();
    k->show();
    l->show();
    m->show();
    n->show();
    o->show();
    p->show();
    q->show();
    r->show();
}
void repeat_cin_password_callback(Fl_Widget *widget, void *data) {
    show_prize_callback(widget, data);
}
const char* no_prize_click_back_menu = "您还没有中奖，请先抽奖。请点击回菜单。";
const char* correct_password_click_back_menu = "密码正确，请点击返回菜单领取奖品";
std::string prize_string;
std::string prize_wrong_password_string;
void show_prize_callback(Fl_Widget *widget, void *data) {
    hide_all_buttons();
    if(state == 0){
        result_box->label(no_prize_click_back_menu);
        back_menu->show();
    }
    else
    {
        prize_string = "您中的奖有：" + prize + "\n输入密码后可领取奖品";
        result_box->label(prize_string.c_str());
        input_cin_accountpassword->show();
        if(cin_password == accountpassword) 
        {
            result_box->label("密码正确，请点击回菜单领取奖品");
            back_menu->show();
            state = 0;
            prize = "";
            back_menu->show();
        }
        else 
        {
            chance-=1;
            prize_wrong_password_string = "密码错误，请重新输入, 或者返回菜单，您还有" +  std::to_string(chance) +"次机会";
            back_menu->show();
            repeat_cin_password->show();
        }
    }
}
void a_callback(Fl_Widget *widget, void *data) {
    AA = rand() % 20;
    aa = rand() % 18;
    hide_all_buttons();
    show_prize->hide();
    if(aa == 1) {
        if(AA < 10) {
            prize = "五等奖， VIP一天体验卡。为了让您更方便的领奖，请填写您的个人信息。\n填写完信息后请点击回菜单";
            result_box->label(prize.c_str());
            input_name->show();
            input_phone->show();
            input_accountpassword->show();
            input_name->value(name.c_str());
            input_phone->value(phone.c_str());
            input_accountpassword->value(accountpassword.c_str());
            back_menu->show();
            state = 5;
        }
        else if(AA < 15) {
            prize = "四等奖， VIP一周体验卡。为了让您更方便的领奖，请填写您的个人信息。\n填写完信息后请点击回菜单";
            result_box->label(prize.c_str());
            input_name->show();
            input_phone->show();
            input_accountpassword->show();
            input_name->value(name.c_str());
            input_phone->value(phone.c_str());
            input_accountpassword->value(accountpassword.c_str());
            back_menu->show();
            state = 4;
      }
      else if(AA < 17) {
        prize = "三等奖， VIP一个月体验卡。为了让您更方便的领奖，请填写您的个人信息。\n填写完信息后请点击回菜单";
        result_box->label(prize.c_str());
        input_name->show();
        input_phone->show();
        input_accountpassword->show();

        input_name->value(name.c_str());
        input_phone->value(phone.c_str());
        input_accountpassword->value(accountpassword.c_str());
        back_menu->show();
        state = 3;
    }
    else if(AA < 19) {
        prize = "二等奖， VIP三个月体验卡。为了让您更方便的领奖，请填写您的个人信息。\n填写完信息后请点击回菜单";
        result_box->label(prize.c_str());
        input_name->show();
        input_phone->show();
        input_accountpassword->show();
        input_name->value(name.c_str());
        input_phone->value(phone.c_str());
        input_accountpassword->value(accountpassword.c_str());
        back_menu->show();
        state = 2;
    }
    else {
        prize = "一等奖， VIP一年体验卡。为了让您更方便的领奖，请填写您的个人信息。\n填写完信息后请点击回菜单";
        result_box->label(prize.c_str());
        input_name->show();
        input_phone->show();
        input_accountpassword->show();
        input_name->value(name.c_str());
        input_phone->value(phone.c_str());
        const char* jj = accountpassword.c_str();
        input_accountpassword->value(jj);
        back_menu->show();
        state = 1;
    }
}
else {
    prize = "谢谢惠顾";
    result_box->label(prize.c_str());
    back_menu->show();
    show_prize->show();
}
}
void b_callback(Fl_Widget *widget, void *data) {
   a_callback(widget, data);
}
void c_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void d_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void e_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void f_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void g_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void h_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void i_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void j_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void k_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void l_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void m_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data); 
}
void n_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void o_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void p_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void q_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}
void r_callback(Fl_Widget *widget, void *data) {
    a_callback(widget, data);
}

int main() {
    state =0;
    cin_password = 1;
    chance = 3;
    std::srand(std::time(nullptr));
    Fl_Window *window = new Fl_Window(1024, 768, "抽奖");
    a = new Fl_Button(150, 30, 140, 50, "抽奖");
    a->labelsize(18);
    a->callback(a_callback);
    b = new Fl_Button(350, 30, 140, 50, "抽奖");
    b->labelsize(18);
    b->callback(b_callback);
    c = new Fl_Button(550, 30, 140, 50, "抽奖");
    c->labelsize(18);
    c->callback(c_callback);
    d = new Fl_Button(150, 100, 140, 50, "抽奖");
    d->labelsize(18);
    d->callback(d_callback);
    e = new Fl_Button(350, 100, 140, 50, "抽奖");
    e->labelsize(18);
    e->callback(e_callback);
    f = new Fl_Button(550, 100, 140, 50, "抽奖");
    f->labelsize(18);
    f->callback(f_callback);
    g = new Fl_Button(150, 170, 140, 50, "抽奖");
    g->labelsize(18);
    g->callback(g_callback);
    h = new Fl_Button(350, 170, 140, 50, "抽奖");
    h->labelsize(18);
    h->callback(h_callback);
    i = new Fl_Button(550, 170, 140, 50, "抽奖");
    i->labelsize(18);
    i->callback(i_callback);
    j = new Fl_Button(150, 240, 140, 50, "抽奖");
    j->labelsize(18);
    j->callback(j_callback);
    k = new Fl_Button(350, 240, 140, 50, "抽奖");
    k->labelsize(18);
    k->callback(k_callback);
    l = new Fl_Button(550, 240, 140, 50, "抽奖");
    l->labelsize(18);
    l->callback(g_callback);
    m = new Fl_Button(150, 310, 140, 50, "抽奖");
    m->labelsize(18);
    m->callback(m_callback);
    n = new Fl_Button(350, 310, 140, 50, "抽奖");
    n->labelsize(18);
    n->callback(n_callback);
    o = new Fl_Button(550, 310, 140, 50, "抽奖");
    o->labelsize(18);
    o->callback(o_callback);
    p = new Fl_Button(150, 380, 140, 50, "抽奖");
    p->labelsize(18);
    p->callback(p_callback);
    q = new Fl_Button(350, 380, 140, 50, "抽奖");
    q->labelsize(18);
    q->callback(q_callback);
    r = new Fl_Button(550, 380, 140, 50, "抽奖");
    r->labelsize(18);
    r->callback(r_callback);

    repeat_cin_password = new Fl_Button(200, 420, 140, 50, "重新输入密码");
    repeat_cin_password->labelsize(18);
    repeat_cin_password->callback(repeat_cin_password_callback);
    repeat_cin_password->hide();

    back_menu = new Fl_Button(200, 520, 140, 50, "返回菜单");
    back_menu->labelsize(18);
    back_menu->callback(back_menu_callback);
    back_menu->hide();

    show_prize = new Fl_Button(400, 520, 140, 50, "显示奖品");
    show_prize->labelsize(18);
    show_prize->callback(show_prize_callback);

    input_name = new Fl_Input(200, 130, 200, 30, "姓名");
    input_name->labelsize(18);
    input_name->hide();

    input_phone = new Fl_Input(200, 170, 200, 30, "电话");
    input_phone->labelsize(18);
    input_phone->hide();

    input_accountpassword = new Fl_Input(200, 210, 200, 30, "密码");
    input_accountpassword->labelsize(18);
    input_accountpassword->hide();

    input_cin_accountpassword = new Fl_Input(200, 210, 200, 30, "验证密码。");
    input_cin_accountpassword->labelsize(18);
    input_cin_accountpassword->hide();

    result_box = new Fl_Box(50, 130, 900, 450, "");
    result_box->labelsize(20);
    result_box->labelcolor(FL_BLACK);
    window->end();
    window->show();
    return Fl::run();  
}