package routes

import (
	"github.com/gofiber/fiber/v2"

	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
	"github.com/break/junhong_cmp_fiber/internal/model/dto"
	"github.com/break/junhong_cmp_fiber/pkg/constants"
	"github.com/break/junhong_cmp_fiber/pkg/errors"
	"github.com/break/junhong_cmp_fiber/pkg/middleware"
	"github.com/break/junhong_cmp_fiber/pkg/openapi"
)

// registerPackageTrafficAlertRoutes 注册套餐真流量预警规则与达量预警路由。
// 沿用超管/平台路由组级 gate 先例：代理、企业与个人客户账号一律 403。
func registerPackageTrafficAlertRoutes(router fiber.Router, handler *admin.PackageTrafficAlertHandler, doc *openapi.Generator, basePath string) {
	group := router.Group("", func(c *fiber.Ctx) error {
		userType := middleware.GetUserTypeFromContext(c.UserContext())
		if userType != constants.UserTypeSuperAdmin && userType != constants.UserTypePlatform {
			return errors.New(errors.CodeForbidden, constants.PlatformManagementForbiddenMessage)
		}
		return c.Next()
	})

	ruleGroup := group.Group("/package-traffic-alert-rules")
	rulePath := basePath + "/package-traffic-alert-rules"

	Register(ruleGroup, doc, rulePath, "GET", "", handler.ListRules, RouteSpec{
		Summary:     "查询套餐真流量预警规则列表",
		Description: "返回套餐、商品当前真流量额度、阈值、启用状态、备注与更新时间；仅超级管理员与平台账号可访问",
		Tags:        []string{"套餐管理"},
		Input:       new(dto.ListPackageTrafficAlertRuleRequest),
		Output:      new(dto.PackageTrafficAlertRuleListResponse),
		Auth:        true,
	})

	Register(ruleGroup, doc, rulePath, "POST", "", handler.CreateRule, RouteSpec{
		Summary:     "创建套餐真流量预警规则",
		Description: "每个套餐商品至多一条当前规则；创建时校验套餐存在且商品真流量额度大于零，阈值为 1%～100% 的小数百分比",
		Tags:        []string{"套餐管理"},
		Body:        new(dto.CreatePackageTrafficAlertRuleRequest),
		Output:      new(dto.PackageTrafficAlertRuleItem),
		Auth:        true,
	})

	Register(ruleGroup, doc, rulePath, "PUT", "/:id", handler.UpdateRule, RouteSpec{
		Summary:     "修改套餐真流量预警规则",
		Description: "允许修改阈值、启停与备注；修改不影响既有预警快照，停用后扫描不再创建新预警",
		Tags:        []string{"套餐管理"},
		Input:       new(dto.UpdatePackageTrafficAlertRuleParams),
		Output:      new(dto.PackageTrafficAlertRuleItem),
		Auth:        true,
	})

	alertGroup := group.Group("/package-traffic-alerts")
	alertPath := basePath + "/package-traffic-alerts"

	Register(alertGroup, doc, alertPath, "GET", "", handler.ListAlerts, RouteSpec{
		Summary:     "查询套餐真流量达量预警列表",
		Description: "先应用既有资产数据范围；资产、套餐、用量、阈值、到期时间与触发时归属均为触发快照，支持按触发时间闭区间与通知投递结果筛选",
		Tags:        []string{"套餐流量预警"},
		Input:       new(dto.ListPackageTrafficAlertRequest),
		Output:      new(dto.PackageTrafficAlertListResponse),
		Auth:        true,
	})

	Register(alertGroup, doc, alertPath, "GET", "/:id", handler.GetAlert, RouteSpec{
		Summary:     "查询套餐真流量达量预警详情",
		Description: "越权与不存在统一按资源不可见处理；返回冻结快照、通知投递结果与通知已读展示期",
		Tags:        []string{"套餐流量预警"},
		Input:       new(dto.IDReq),
		Output:      new(dto.PackageTrafficAlertDetailResponse),
		Auth:        true,
	})

	Register(alertGroup, doc, alertPath, "POST", "/export", handler.ExportAlerts, RouteSpec{
		Summary:     "导出套餐真流量达量预警",
		Description: "复用既有异步导出任务，创建时冻结操作者、筛选、时间范围与可见资产范围；归属列按执行时当前归属补充",
		Tags:        []string{"套餐流量预警"},
		Body:        new(dto.ExportPackageTrafficAlertRequest),
		Output:      new(dto.CreateExportTaskResponse),
		Auth:        true,
	})
}