config.go

package main

import (
	"io/ioutil"
	"log"
	"time"

	"github.com/BurntSushi/toml"
)

type config struct {
	Event       string
	Password    string
	PlayTime    string
	Timezone    string
	DiscordHook string
	Enforce     bool
	Timeout     int
	Admin       []adminData
	Image       []imageData
	Team        []teamData
	Alternate   alternateData
}

func readConfig(conf *config) {
	fileContent, err := ioutil.ReadFile("./sarpedon.conf")
	if err != nil {
		log.Fatalln("Configuration file (./sarpedon.conf) not found:", err)
	}
	if _, err := toml.Decode(string(fileContent), &conf); err != nil {
		log.Fatalln(err)
	}
}

func checkConfig() {
	if sarpConfig.Password == "" {
		log.Fatalln("No password provided!")
	}
	if sarpConfig.Admin == nil {
		log.Fatalln("No admin account(s) provided!")
	}
	if sarpConfig.Image == nil {
		log.Fatalln("No images provided!")
	}
	if sarpConfig.Timezone == "" {
		log.Fatalln("No timezone provided!")
	}
	if sarpConfig.PlayTime != "" {
		if _, err := time.ParseDuration(sarpConfig.PlayTime); err != nil {
			log.Fatalln("Invalid duration for playtime: " + err.Error())
		}
	}
	if sarpConfig.Timeout == 0 {
		// Default timeout (in seconds)
		sarpConfig.Timeout = 15
	} else if sarpConfig.Timeout < 0 {
		// If a negative value, set no timeout
		sarpConfig.Timeout = 0
	}
	for _, image := range sarpConfig.Image {
		if image.Name == "" {
			log.Fatalln("Image name is empty:", image)
		}
		matches := 0
		var dupeImage imageData
		for _, imageDupe := range sarpConfig.Image {
			if image.Name == imageDupe.Name {
				dupeImage = imageDupe
				matches++
			}
		}
		if matches > 1 {
			log.Fatalln("Duplicate image details found:", image, dupeImage)
		}
	}

	for _, team := range sarpConfig.Team {
		if team.ID == "" {
			log.Fatalln("Team id is empty:", team)
		}
		if team.Alias == "" {
			log.Fatalln("Team alias is empty:", team)
		}
		matches := 0
		var dupeTeam teamData
		for _, teamDupe := range sarpConfig.Team {
			if team.ID == teamDupe.ID {
				dupeTeam = teamDupe
				matches++
			}
			if team.Alias == teamDupe.Alias {
				dupeTeam = teamDupe
				matches++
			}
			if matches > 2 {
				log.Fatalln("Duplicate team details found:", team, dupeTeam)
			}
		}
	}

	if alternateCompletion {
		sarpConfig.Alternate.Map = make(map[string]bool)

		for _, ID := range sarpConfig.Alternate.Data {
			sarpConfig.Alternate.Map[ID] = true
		}
	}
}