package controller

import (
	"context"

	"cid/model/dto"
	"cid/service"
)

var RateLimit = new(rateLimit)

type rateLimit struct{}

// SetTenantRateLimit 设置租户限流配置
func (c *rateLimit) SetTenantRateLimit(ctx context.Context, req *dto.SetTenantRateLimitReq) (res *dto.SetTenantRateLimitRes, err error) {
	// 注意：实际使用的是config.yml中的全局配置，此接口仅用于兼容旧API
	// 实际限流参数请修改config.yml中的tenantRateLimit部分

	return &dto.SetTenantRateLimitRes{
		Success: true,
	}, nil
}

// GetTenantRateLimitUsage 获取租户限流使用情况
func (c *rateLimit) GetTenantRateLimitUsage(ctx context.Context, req *dto.GetTenantRateLimitUsageReq) (res *dto.GetTenantRateLimitUsageRes, err error) {
	current, max, err := service.RateLimit.GetTenantCurrentUsage(ctx, req.TenantID, nil)
	if err != nil {
		return nil, err
	}

	return &dto.GetTenantRateLimitUsageRes{
		TenantID:     req.TenantID,
		CurrentUsed:  current,
		MaxAllowed:   max,
		UsagePercent: float64(current) / float64(max) * 100,
	}, nil
}