PermissionGacha/modules/config/config.go

package config

import (
	"encoding/json"
	"io/ioutil"
)

type config struct {
	ActiveNerf          activeNerf `json:"activeNerf"`
	CommandPrefix       string     `json:"prefix"`
	GuildID             string     `json:"guildID"`
	PrestigeRequirement int        `json:"prestigeFactor"`
	StarChannel         string     `json:"starChannel"`
	BotToken            string     `json:"token"`
	Rewards             []Reward   `json:"rewards"`
	LevelRoles          []string   `json:"roles"`
}

type activeNerf struct {
	GeneralChannelID string `json:"channelID"`
	NotInGeneralNerf int    `json:"nerfFactor"`
}

type Reward struct {
	FriendlyName string                 `json:"friendlyName"`
	Type         string                 `json:"type"`
	Weight       int                    `json:"weight"`
	Context      map[string]interface{} `json:"context"`
}

func init() {
	configFile, err := ioutil.ReadFile("config.json")
	if err != nil {
		panic(err)
	}
	var output config
	err = json.Unmarshal([]byte(configFile), &output)
	if err != nil {
		panic(err)
	}

	//Place everything into high level variables
	GeneralChannelID = output.ActiveNerf.GeneralChannelID
	NotInGeneralNerf = output.ActiveNerf.NotInGeneralNerf
	CommandPrefix = output.CommandPrefix
	GuildID = output.GuildID
	PrestigeRequirement = output.PrestigeRequirement
	StarChannel = output.StarChannel
	BotToken = output.BotToken
	LevelRoles = output.LevelRoles
	Rewards = output.Rewards
	if len(Rewards) == 0 {
		panic("modules/config: Gacha rewards not provided")
	}
	for _, v := range output.Rewards {
		TotalRewardWeight += v.Weight
	}
}

//Exposed Variables
var (
	GeneralChannelID string
	NotInGeneralNerf int
)
var CommandPrefix string
var GuildID string
var PrestigeRequirement int
var StarChannel string
var BotToken string
var LevelRoles []string
var (
	Rewards           []Reward
	TotalRewardWeight int
)