package controller

import (
	"SciencesServer/app/api/admin/model"
	config2 "SciencesServer/app/basic/config"
	"SciencesServer/app/basic/controller"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/config"
	"SciencesServer/serve/orm"
	"errors"
	"fmt"
	"time"

	"gorm.io/gorm"
)

type Config struct{}

type ConfigHandle func() *Config

type ConfigInfo struct {
	ID string `json:"id"`
	*model2.SysConfig
}

func (c *Config) Config(kind, page, pageSize int) (*controller.ReturnPages, error) {
	mSysConfig := model.NewSysConfig()

	where := []*model2.ModelWhereOrder{
		&model2.ModelWhereOrder{Order: model2.NewOrder("sort", model2.OrderModeToAsc)},
		&model2.ModelWhereOrder{Order: model2.NewOrder("kind", model2.OrderModeToAsc)},
	}
	if kind > 0 {
		where = append(where, &model2.ModelWhereOrder{Where: model2.NewWhere("kind", kind)})
	}
	out := make([]*model2.SysConfig, 0)

	var count int64

	if err := model2.Pages(mSysConfig.SysConfig, &out, page, pageSize, &count, where...); err != nil {
		return nil, err
	}
	list := make([]*ConfigInfo, 0)

	for _, v := range out {
		list = append(list, &ConfigInfo{
			ID:        v.GetEncodeID(),
			SysConfig: v,
		})
	}
	return &controller.ReturnPages{Data: list, Count: count}, nil
}

func (c *Config) Add(kind int, name, key, value string) error {
	mSysConfig := model.NewSysConfig()

	var count int64

	err := model2.Count(mSysConfig.SysConfig, &count, model2.NewWhere("`key`", key))

	if err != nil {
		return err
	} else if count > 0 {
		return errors.New("key已存在")
	}
	mSysConfig.Kind = model2.SysConfigKind(kind)
	mSysConfig.Name = name
	mSysConfig.Key = key
	mSysConfig.Value = fmt.Sprintf("%v", value)

	if err = model2.Create(mSysConfig.SysConfig); err != nil {
		return err
	}
	config.SystemConfig[key] = value

	return nil
}

func (c *Config) Form(id uint64, name, value string) error {
	mSysConfig := model.NewSysConfig()
	mSysConfig.ID = id

	isExist, err := model2.FirstField(mSysConfig.SysConfig, []string{"id", "`key`"})

	if err != nil {
		return nil
	} else if !isExist {
		return errors.New("操作错误，数据不存在")
	}
	return orm.GetDB().Transaction(func(tx *gorm.DB) error {
		now := time.Now()

		if err := model2.Updates(mSysConfig.SysConfig, map[string]interface{}{
			"`name`": name, "`value`": value, "updated_at": now,
		}, tx); err != nil {
			return err
		}
		config.SystemConfig[mSysConfig.Key] = value
		return nil
	})
}

// Area 区域信息
func (c *Config) Area(key string) map[string]string {
	if key == "" {
		key = config.DefaultChinaAreaCode
	}
	return config2.MemoryForAreaInfo[key]
}

func NewConfig() ConfigHandle {
	return func() *Config {
		return &Config{}
	}
}