package admin

import (
	"strconv"

	"github.com/gofiber/fiber/v2"

	assetService "github.com/break/junhong_cmp_fiber/internal/service/asset"
	deviceService "github.com/break/junhong_cmp_fiber/internal/service/device"
	iotCardService "github.com/break/junhong_cmp_fiber/internal/service/iot_card"
	"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/response"
)

// AssetHandler 资产管理处理器
// 提供统一的资产解析、实时状态、套餐查询、停复机等接口
type AssetHandler struct {
	assetService      *assetService.Service
	deviceService     *deviceService.Service
	iotCardStopResume *iotCardService.StopResumeService
}

// NewAssetHandler 创建资产管理处理器
func NewAssetHandler(
	assetSvc *assetService.Service,
	deviceSvc *deviceService.Service,
	iotCardStopResume *iotCardService.StopResumeService,
) *AssetHandler {
	return &AssetHandler{
		assetService:      assetSvc,
		deviceService:     deviceSvc,
		iotCardStopResume: iotCardStopResume,
	}
}

// Resolve 通过任意标识符解析资产（设备或卡）
// GET /api/admin/assets/resolve/:identifier
func (h *AssetHandler) Resolve(c *fiber.Ctx) error {
	userType := middleware.GetUserTypeFromContext(c.UserContext())
	if userType == constants.UserTypeEnterprise {
		return errors.New(errors.CodeForbidden, "企业账号暂不支持此接口")
	}

	identifier := c.Params("identifier")
	if identifier == "" {
		return errors.New(errors.CodeInvalidParam, "标识符不能为空")
	}

	result, err := h.assetService.Resolve(c.UserContext(), identifier)
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// RealtimeStatus 获取资产实时状态
// GET /api/admin/assets/:asset_type/:id/realtime-status
func (h *AssetHandler) RealtimeStatus(c *fiber.Ctx) error {
	assetType := c.Params("asset_type")
	id, err := strconv.ParseUint(c.Params("id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	result, err := h.assetService.GetRealtimeStatus(c.UserContext(), assetType, uint(id))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// Refresh 刷新资产状态（调网关同步）
// POST /api/admin/assets/:asset_type/:id/refresh
func (h *AssetHandler) Refresh(c *fiber.Ctx) error {
	assetType := c.Params("asset_type")
	id, err := strconv.ParseUint(c.Params("id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	result, err := h.assetService.Refresh(c.UserContext(), assetType, uint(id))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// Packages 获取资产所有套餐列表
// GET /api/admin/assets/:asset_type/:id/packages
func (h *AssetHandler) Packages(c *fiber.Ctx) error {
	assetType := c.Params("asset_type")
	id, err := strconv.ParseUint(c.Params("id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	result, err := h.assetService.GetPackages(c.UserContext(), assetType, uint(id))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// CurrentPackage 获取资产当前生效套餐
// GET /api/admin/assets/:asset_type/:id/current-package
func (h *AssetHandler) CurrentPackage(c *fiber.Ctx) error {
	assetType := c.Params("asset_type")
	id, err := strconv.ParseUint(c.Params("id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的资产ID")
	}

	result, err := h.assetService.GetCurrentPackage(c.UserContext(), assetType, uint(id))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// StopDevice 设备停机（批量停机设备下所有已实名卡）
// POST /api/admin/assets/device/:device_id/stop
func (h *AssetHandler) StopDevice(c *fiber.Ctx) error {
	deviceID, err := strconv.ParseUint(c.Params("device_id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的设备ID")
	}

	result, err := h.deviceService.StopDevice(c.UserContext(), uint(deviceID))
	if err != nil {
		return err
	}

	return response.Success(c, result)
}

// StartDevice 设备复机（批量复机设备下所有已实名卡）
// POST /api/admin/assets/device/:device_id/start
func (h *AssetHandler) StartDevice(c *fiber.Ctx) error {
	deviceID, err := strconv.ParseUint(c.Params("device_id"), 10, 64)
	if err != nil {
		return errors.New(errors.CodeInvalidParam, "无效的设备ID")
	}

	if err := h.deviceService.StartDevice(c.UserContext(), uint(deviceID)); err != nil {
		return err
	}

	return response.Success(c, nil)
}

// StopCard 单卡停机（通过ICCID）
// POST /api/admin/assets/card/:iccid/stop
func (h *AssetHandler) StopCard(c *fiber.Ctx) error {
	iccid := c.Params("iccid")
	if iccid == "" {
		return errors.New(errors.CodeInvalidParam, "ICCID不能为空")
	}

	if err := h.iotCardStopResume.ManualStopCard(c.UserContext(), iccid); err != nil {
		return err
	}

	return response.Success(c, nil)
}

// StartCard 单卡复机（通过ICCID）
// POST /api/admin/assets/card/:iccid/start
func (h *AssetHandler) StartCard(c *fiber.Ctx) error {
	iccid := c.Params("iccid")
	if iccid == "" {
		return errors.New(errors.CodeInvalidParam, "ICCID不能为空")
	}

	if err := h.iotCardStopResume.ManualStartCard(c.UserContext(), iccid); err != nil {
		return err
	}

	return response.Success(c, nil)
}