// =====================================================================
// 第 4 课：十连抽 —— 老师完整答案
// =====================================================================

#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Box.H>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <string>

Fl_Box *result_box;
Fl_Box *info_box;

void draw_one_callback(Fl_Widget *w, void *data) {
    int r = std::rand() % 100;

    char info[50];
    std::sprintf(info, "单抽  |  点数：%d", r);
    info_box->label(info);

    if (r < 70) {
        result_box->label("☆ 普通卡 ☆");
        result_box->labelcolor(fl_rgb_color(128, 128, 128));
    } else if (r < 95) {
        result_box->label("★ 稀有卡 ★");
        result_box->labelcolor(FL_BLUE);
    } else {
        result_box->label("★★★ 超稀有卡！！ ★★★");
        result_box->labelcolor(FL_RED);
    }
    result_box->labelsize(28);
}

void draw_ten_callback(Fl_Widget *w, void *data) {
    std::string all = "";
    int rare_count = 0;
    int super_count = 0;

    for (int i = 1; i <= 10; i++) {
        int r = std::rand() % 100;
        all += "第" + std::to_string(i) + "抽：";

        if (r < 70) {
            all += "普通";
        } else if (r < 95) {
            all += "★稀有★";
            rare_count++;
        } else {
            all += "★★★超稀有★★★";
            super_count++;
        }
        all += "\n";
    }

    char stats[100];
    std::sprintf(stats, "十连抽结果  |  稀有：%d  超稀有：%d",
                 rare_count, super_count);
    info_box->label(stats);
    if (super_count > 0) {
        info_box->labelcolor(FL_RED);
    } else if (rare_count > 0) {
        info_box->labelcolor(FL_BLUE);
    } else {
        info_box->labelcolor(fl_rgb_color(128, 128, 128));
    }

    result_box->labelsize(16);
    result_box->label(all.c_str());
    result_box->labelcolor(FL_BLACK);
}

int main() {
    std::srand(std::time(nullptr));

    Fl_Window *window = new Fl_Window(420, 480, "抽卡世界 - 第4课");

    Fl_Button *btn1 = new Fl_Button(50, 20, 140, 50, "抽一张");
    btn1->labelsize(18);
    btn1->callback(draw_one_callback);

    Fl_Button *btn10 = new Fl_Button(230, 20, 140, 50, "十连抽");
    btn10->labelsize(18);
    btn10->callback(draw_ten_callback);

    info_box = new Fl_Box(30, 80, 360, 30, "");
    info_box->labelsize(14);

    result_box = new Fl_Box(30, 120, 360, 330, "点击按钮开始抽卡！");
    result_box->labelsize(20);
    result_box->align(FL_ALIGN_TOP | FL_ALIGN_LEFT);

    window->end();
    window->show();
    return Fl::run();
}