package controller

import (
	"SciencesServer/app/api/admin/model"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/session"
	"errors"
)

type Config struct{ *session.Enterprise }

type ConfigHandle func(session *session.Enterprise) *Config

type (
	// ConfigInfo 配置信息
	ConfigInfo struct {
		Name  string `json:"name"`
		Value string `json:"value"`
	}
)

func (c *Config) Instance(kind int, key string) (*ConfigInfo, error) {
	mSysConfig := model.NewSysConfig()

	where := []*model2.ModelWhere{model2.NewWhere("`key`", key)}

	if kind > 0 {
		where = append(where, model2.NewWhere("kind", kind))
	}
	isExist, err := model2.FirstField(mSysConfig.SysConfig, []string{"id", "name", "`value`"}, where...)

	if err != nil {
		return nil, err
	} else if !isExist {
		return nil, errors.New("操作错误，数据不存在或已被删除")
	}
	return &ConfigInfo{Name: mSysConfig.Name, Value: mSysConfig.Value}, nil
}

func NewConfig() ConfigHandle {
	return func(session *session.Enterprise) *Config {
		return &Config{Enterprise: session}
	}
}