package device

import (
	"context"

	"github.com/break/junhong_cmp_fiber/internal/gateway"
	"github.com/break/junhong_cmp_fiber/internal/model"
	"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"
)

// getGatewayDevice 通过标识符获取设备并验证 IMEI 存在
// 提供统一的设备查找 + IMEI 校验逻辑，供所有 Gateway 代理方法复用
func (s *Service) getGatewayDevice(ctx context.Context, identifier string) (*model.Device, string, error) {
	device, err := s.deviceStore.GetByIdentifier(ctx, identifier)
	if err != nil {
		return nil, "", errors.New(errors.CodeNotFound, "设备不存在或无权限访问")
	}
	if device.IMEI == "" {
		return nil, "", errors.New(errors.CodeInvalidParam, "该设备未配置 IMEI，无法调用网关接口")
	}
	return device, device.IMEI, nil
}

// GatewayGetDeviceInfo 通过标识符查询设备网关信息
func (s *Service) GatewayGetDeviceInfo(ctx context.Context, identifier string) (*gateway.DeviceInfoResp, error) {
	_, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		return nil, err
	}
	return s.gatewayClient.GetDeviceInfo(ctx, &gateway.DeviceInfoReq{
		DeviceID: imei,
	})
}

// GatewayGetSlotInfo 通过标识符查询设备卡槽信息
func (s *Service) GatewayGetSlotInfo(ctx context.Context, identifier string) (*gateway.SlotInfoResp, error) {
	_, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		return nil, err
	}
	return s.gatewayClient.GetSlotInfo(ctx, &gateway.DeviceInfoReq{
		DeviceID: imei,
	})
}

// GatewaySetSpeedLimit 通过标识符设置设备限速
func (s *Service) GatewaySetSpeedLimit(ctx context.Context, identifier string, req *dto.SetSpeedLimitRequest) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSpeedLimit,
			"设备限速失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{
				"identifier":  identifier,
				"speed_limit": req.SpeedLimit,
			},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.SetSpeedLimit(ctx, &gateway.SpeedLimitReq{
		DeviceID:   imei,
		SpeedLimit: req.SpeedLimit,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSpeedLimit,
			"设备限速失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			map[string]any{"speed_limit": req.SpeedLimit},
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceSpeedLimit,
		"设备限速",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		map[string]any{"speed_limit": req.SpeedLimit},
		0,
		0,
		0,
		nil,
	)
	return nil
}

// GatewaySetWiFi 通过标识符设置设备 WiFi
func (s *Service) GatewaySetWiFi(ctx context.Context, identifier string, req *dto.SetWiFiRequest) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSetWiFi,
			"设备设置WiFi失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{
				"identifier": identifier,
				"card_no":    req.CardNo,
				"ssid":       req.SSID,
				"enabled":    req.Enabled,
				"password":   req.Password,
			},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.SetWiFi(ctx, &gateway.WiFiReq{
		CardNo:   req.CardNo,
		DeviceID: imei,
		SSID:     req.SSID,
		Password: req.Password,
		Enabled:  req.Enabled,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSetWiFi,
			"设备设置WiFi失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			map[string]any{
				"card_no":  req.CardNo,
				"ssid":     req.SSID,
				"enabled":  req.Enabled,
				"password": req.Password,
			},
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceSetWiFi,
		"设备设置WiFi",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		map[string]any{
			"card_no":  req.CardNo,
			"ssid":     req.SSID,
			"enabled":  req.Enabled,
			"password": req.Password,
		},
		0,
		0,
		0,
		nil,
	)
	return nil
}

// GatewaySwitchCard 通过标识符切换设备使用的卡
func (s *Service) GatewaySwitchCard(ctx context.Context, identifier string, req *dto.SwitchCardRequest) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSwitchCard,
			"设备切卡失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{
				"identifier":   identifier,
				"target_iccid": req.TargetICCID,
			},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.SwitchCard(ctx, &gateway.SwitchCardReq{
		CardNo: imei,
		ICCID:  req.TargetICCID,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSwitchCard,
			"设备切卡失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			map[string]any{"target_iccid": req.TargetICCID},
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceSwitchCard,
		"设备切卡",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		map[string]any{"target_iccid": req.TargetICCID},
		0,
		0,
		0,
		nil,
	)
	return nil
}

// GatewayRebootDevice 通过标识符重启设备
func (s *Service) GatewayRebootDevice(ctx context.Context, identifier string) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceReboot,
			"设备重启失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{"identifier": identifier},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.RebootDevice(ctx, &gateway.DeviceOperationReq{
		DeviceID: imei,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceReboot,
			"设备重启失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			nil,
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceReboot,
		"设备重启",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		nil,
		0,
		0,
		0,
		nil,
	)
	return nil
}

// GatewayResetDevice 通过标识符恢复设备出厂设置
func (s *Service) GatewayResetDevice(ctx context.Context, identifier string) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceReset,
			"设备恢复出厂失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{"identifier": identifier},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.ResetDevice(ctx, &gateway.DeviceOperationReq{
		DeviceID: imei,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceReset,
			"设备恢复出厂失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			nil,
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceReset,
		"设备恢复出厂",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		nil,
		0,
		0,
		0,
		nil,
	)
	return nil
}

// GatewaySwitchMode 通过标识符设置设备切卡模式
func (s *Service) GatewaySwitchMode(ctx context.Context, identifier string, req *dto.SetSwitchModeRequest) error {
	device, imei, err := s.getGatewayDevice(ctx, identifier)
	if err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSwitchMode,
			"设备切卡模式切换失败",
			constants.AssetAuditResultFailed,
			nil,
			nil,
			map[string]any{
				"identifier":  identifier,
				"switch_mode": req.SwitchMode,
			},
			0,
			0,
			0,
			err,
		)
		return err
	}
	if err = s.gatewayClient.SwitchMode(ctx, &gateway.SwitchModeReq{
		CardNo:     imei,
		SwitchMode: req.SwitchMode,
	}); err != nil {
		s.logDeviceOperation(
			ctx,
			constants.AssetAuditOpDeviceSwitchMode,
			"设备切卡模式切换失败",
			constants.AssetAuditResultFailed,
			device,
			map[string]any{"device": deviceSnapshot(device)},
			map[string]any{"switch_mode": req.SwitchMode},
			0,
			0,
			0,
			err,
		)
		return err
	}

	s.logDeviceOperation(
		ctx,
		constants.AssetAuditOpDeviceSwitchMode,
		"设备切卡模式切换",
		constants.AssetAuditResultSuccess,
		device,
		map[string]any{"device": deviceSnapshot(device)},
		map[string]any{"switch_mode": req.SwitchMode},
		0,
		0,
		0,
		nil,
	)
	return nil
}