package logic

import (
	"context"

	"easygoadmin/api/v1"
	"easygoadmin/internal/dao"
	"easygoadmin/internal/middleware"
	"easygoadmin/internal/service"
)

// ============================== 操作日志业务实现 ==============================

// sOperLog 操作日志业务实现
// 实现 service.IOperLog 接口，承载操作日志模块的业务逻辑
type sOperLog struct{}

// operLogSerializeMaps 枚举字段到字典编码的映射
// {field}Text 由 dict_item 解析，字典管理页可修改文案
var operLogSerializeMaps = map[string]string{
	"source": "operation_log_source",
	"status": "operation_log_status",
}

// operLogSpec 操作日志模块声明
var operLogSpec = ModuleSpec[v1.OperLogItem, v1.OperLogItem, v1.OperLogDetailRes]{
	Model:         dao.OperationLog.Ctx,
	LikeFields:    []string{"title", "url"},
	EqFields:      []string{"type", "status"},
	OrderBy:       "id DESC",
	SerializeMaps: operLogSerializeMaps,
	// typeText 走静态映射（注解常量值，与字典体系无关）
	AfterPageList: func(ctx context.Context, list []*v1.OperLogItem, req any) error {
		for _, item := range list {
			item.TypeText = LogTypeText(item.Type)
		}
		return nil
	},
	AfterDetail: func(ctx context.Context, item *v1.OperLogDetailRes, req any) error {
		item.TypeText = LogTypeText(item.Type)
		return nil
	},
}

func init() {
	service.RegisterOperLog(&sOperLog{})
	// 操作日志中间件落库接线（异步批量，见 middleware/operation_log.go）
	middleware.SetLogSink(SaveOperationLog)
}

// SaveOperationLog 操作日志落库
//
// 作为 LogSink 实现，ctx 为后台上下文
func SaveOperationLog(ctx context.Context, entry *middleware.OperationLogEntry) error {
	_, err := dao.OperationLog.Ctx(ctx).Data(map[string]any{
		"title":          entry.Title,
		"type":           entry.Type,
		"source":         entry.Source,
		"method":         entry.Method,
		"request_method": entry.RequestMethod,
		"url":            entry.URL,
		"param":          entry.Param,
		"result":         entry.Result,
		"ip":             entry.IP,
		"location":       entry.Location,
		"os":             entry.OS,
		"browser":        entry.Browser,
		"consume_time":   entry.ConsumeTime,
		"status":         entry.Status,
		"error":          entry.Error,
		"create_user":    entry.CreateUser,
	}).Insert()
	return err
}

// Page 操作日志分页
// 按查询条件分页返回操作日志列表
func (s *sOperLog) Page(ctx context.Context, req *v1.OperLogPageReq) (res *v1.OperLogPageRes, err error) {
	list, total, err := operLogSpec.Page(ctx, req, req.GetPageNo(), req.GetPageSize())
	if err != nil {
		return nil, err
	}
	return v1.NewPageData(req.GetPageNo(), req.GetPageSize(), total, derefSlice(list)), nil
}

// List 操作日志全量列表
// 按关键词、类型、状态等条件返回操作日志列表，并补全类型文本
func (s *sOperLog) List(ctx context.Context, req *v1.OperLogListReq) (res v1.OperLogListRes, err error) {
	list, err := operLogSpec.List(ctx, req)
	if err != nil {
		return nil, err
	}
	for _, item := range list {
		item.TypeText = LogTypeText(item.Type)
	}
	return derefSlice(list), nil
}

// Detail 操作日志详情
// 按日志ID查询详情
func (s *sOperLog) Detail(ctx context.Context, req *v1.OperLogDetailReq) (res *v1.OperLogDetailRes, err error) {
	return operLogSpec.Detail(ctx, req.Id, req)
}

// Delete 删除操作日志
// 按日志ID删除单条记录
func (s *sOperLog) Delete(ctx context.Context, req *v1.OperLogDeleteReq) (res *v1.OperLogDeleteRes, err error) {
	if err = operLogSpec.Delete(ctx, req.Id); err != nil {
		return nil, err
	}
	return &v1.OperLogDeleteRes{}, nil
}

// BatchDelete 批量删除操作日志
// 按日志ID列表批量删除记录
func (s *sOperLog) BatchDelete(ctx context.Context, req *v1.OperLogBatchDeleteReq) (res *v1.OperLogBatchDeleteRes, err error) {
	if err = operLogSpec.BatchDelete(ctx, req.Ids); err != nil {
		return nil, err
	}
	return &v1.OperLogBatchDeleteRes{}, nil
}