package handler

import (
	"net/http"
	"time"

	"soul-api/internal/database"
	"soul-api/internal/model"

	"github.com/gin-gonic/gin"
)

// DBVipMembersList GET /api/db/vip-members 管理端 - VIP 成员列表（用于超级个体排序）
// 与小程序端 VipMembers 的列表逻辑保持一致：仅列出仍在有效期内的 VIP 用户。
func DBVipMembersList(c *gin.Context) {
	limit := 200
	if l := c.Query("limit"); l != "" {
		if n, err := parseInt(l); err == nil && n > 0 && n <= 500 {
			limit = n
		}
	}

	db := database.DB()

	// 与 VipMembers 一致：优先 users 表（is_vip=1 且 vip_expire_date>NOW），排序使用 vip_sort
	var users []model.User
	err := db.Table("users").
		Select("id", "nickname", "avatar", "vip_name", "vip_role", "vip_project", "vip_avatar", "vip_bio", "vip_activated_at", "vip_sort", "vip_expire_date", "is_vip", "phone", "wechat_id").
		Where("is_vip = 1 AND vip_expire_date > ?", time.Now()).
		Order("COALESCE(vip_sort, 999999) ASC, COALESCE(vip_activated_at, vip_expire_date) DESC").
		Limit(limit).
		Find(&users).Error

	if err != nil || len(users) == 0 {
		// 兜底：从 orders 查，逻辑与 VipMembers 保持一致
		var userIDs []string
		db.Model(&model.Order{}).Select("DISTINCT user_id").
			Where("(status = ? OR status = ?) AND (product_type = ? OR product_type = ?)", "paid", "completed", "fullbook", "vip").
			Pluck("user_id", &userIDs)
		if len(userIDs) == 0 {
			c.JSON(http.StatusOK, gin.H{"success": true, "data": []interface{}{}, "total": 0})
			return
		}
		db.Where("id IN ?", userIDs).Find(&users)
	}

	list := make([]gin.H, 0, len(users))
	for i := range users {
		list = append(list, formatVipMember(&users[i], true))
	}

	c.JSON(http.StatusOK, gin.H{"success": true, "data": list, "total": len(list)})
}