package xyz.playedu.api.controller.backend;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import xyz.playedu.api.constant.BackendConstant;
import xyz.playedu.api.constant.SystemConstant;
import xyz.playedu.api.domain.User;
import xyz.playedu.api.domain.UserLearnDurationStats;
import xyz.playedu.api.service.*;
import xyz.playedu.api.types.JsonResponse;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * @Author 杭州白书科技有限公司
 * @create 2023/3/7 13:55
 */
@RestController
@RequestMapping("/backend/v1/dashboard")
public class DashboardController {

    @Autowired
    private AdminUserService adminUserService;

    @Autowired
    private ResourceCategoryService resourceCategoryService;

    @Autowired
    private UserService userService;

    @Autowired
    private CourseService courseService;

    @Autowired
    private DepartmentService departmentService;

    @Autowired
    private ResourceService resourceService;

    @Autowired
    private UserLearnDurationStatsService userLearnDurationStatsService;

    @GetMapping("/index")
    public JsonResponse index() {
        HashMap<String, Object> data = new HashMap<>();
        data.put("version", SystemConstant.VERSION);

        data.put("user_total", userService.total());//总学员数量
        data.put("user_today", userService.todayCount());//今日注册学员数量
        data.put("user_yesterday", userService.yesterdayCount());//昨日注册学员数量

        data.put("course_total", courseService.total());//线上课数量

        data.put("department_total", departmentService.total());
        data.put("resource_category_total", resourceCategoryService.total());
        data.put("admin_user_total", adminUserService.total());

        data.put("resource_video_total", resourceService.total(BackendConstant.RESOURCE_TYPE_VIDEO));
        data.put("resource_image_total", resourceService.total(BackendConstant.RESOURCE_TYPE_IMAGE));

        data.put("user_learn_today", userLearnDurationStatsService.todayTotal());
        data.put("user_learn_yesterday", userLearnDurationStatsService.yesterdayTotal());

        List<UserLearnDurationStats> userLearnTop10 = userLearnDurationStatsService.top10();
        Map<Integer, User> top10Users = userService.chunks(userLearnTop10.stream().map(UserLearnDurationStats::getUserId).toList(), new ArrayList<>() {{
            add("id");
            add("name");
            add("avatar");
            add("email");
        }}).stream().collect(Collectors.toMap(User::getId, e -> e));
        data.put("user_learn_top10", userLearnTop10);
        data.put("user_learn_top10_users", top10Users);

        return JsonResponse.data(data);
    }

}