package admin

import (
	"github.com/go-playground/validator/v10"
	"github.com/gofiber/fiber/v2"

	assetAutoRenewalApp "github.com/break/junhong_cmp_fiber/internal/application/assetautorenewal"
	"github.com/break/junhong_cmp_fiber/internal/handler/validation"
	"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/response"
)

// AssetAutoRenewalConfigHandler 资产钱包自动续费配置 Handler。
//
// 路由组已有「仅超级管理员与平台账号」门禁，应用层仍会复核账号类型（ENG-AUTHZ-001），
// 因此代理、企业与个人客户即使绕过路由也无任何入口。
type AssetAutoRenewalConfigHandler struct {
	service   *assetAutoRenewalApp.Service
	validator *validator.Validate
}

// NewAssetAutoRenewalConfigHandler 创建资产钱包自动续费配置 Handler。
func NewAssetAutoRenewalConfigHandler(service *assetAutoRenewalApp.Service, validator *validator.Validate) *AssetAutoRenewalConfigHandler {
	return &AssetAutoRenewalConfigHandler{service: service, validator: validator}
}

// GetConfig 读取资产钱包自动续费配置。
// GET /api/admin/asset-auto-renewal-config
func (h *AssetAutoRenewalConfigHandler) GetConfig(c *fiber.Ctx) error {
	config, err := h.service.GetConfig(c.UserContext())
	if err != nil {
		return err
	}
	return response.Success(c, toAssetAutoRenewalConfigResponse(config))
}

// UpdateConfig 保存资产钱包自动续费配置。
// PUT /api/admin/asset-auto-renewal-config
func (h *AssetAutoRenewalConfigHandler) UpdateConfig(c *fiber.Ctx) error {
	var req dto.UpdateAssetAutoRenewalConfigRequest
	if err := c.BodyParser(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, "请求参数格式不正确")
	}
	if err := h.validator.Struct(&req); err != nil {
		return errors.New(errors.CodeInvalidParam, validation.Message("保存自动续费配置参数不合法", &req, err))
	}
	config, err := h.service.SaveConfig(c.UserContext(), assetAutoRenewalApp.ConfigRequest{
		Enabled:          req.Enabled,
		Scope:            req.Scope,
		PackageIDs:       req.PackageIDs,
		DaysBeforeExpiry: req.DaysBeforeExpiry,
	})
	if err != nil {
		return err
	}
	return response.Success(c, toAssetAutoRenewalConfigResponse(config))
}

// toAssetAutoRenewalConfigResponse 组装配置响应，枚举附加中文名称字段（ENG-DTO-001）。
func toAssetAutoRenewalConfigResponse(config *assetAutoRenewalApp.ConfigView) dto.AssetAutoRenewalConfigResponse {
	packageIDs := config.PackageIDs
	if packageIDs == nil {
		packageIDs = []uint{}
	}
	enabledName := "关闭"
	if config.Enabled == constants.AssetAutoRenewalConfigEnabledOn {
		enabledName = "开启"
	}
	return dto.AssetAutoRenewalConfigResponse{
		Enabled:          config.Enabled,
		Scope:            config.Scope,
		PackageIDs:       packageIDs,
		DaysBeforeExpiry: config.DaysBeforeExpiry,
		ConfigVersion:    config.ConfigVersion,
		ScopeName:        constants.GetAssetAutoRenewalScopeName(config.Scope),
		EnabledName:      enabledName,
		Updater:          config.Updater,
		UpdatedAt:        config.UpdatedAt.Format("2006-01-02 15:04:05"),
	}
}