package main

import (
	"fmt"
	"github.com/bwmarrin/discordgo"
	"log"
)

func unlockUser(s *discordgo.Session, id string) {
	s.GuildMemberRoleRemove(config.ServerID, id, config.LockedRoleID)
	log.Printf("Removed lock from user: %s", userToString(getUser(s, id)))
}

func userToString(u *discordgo.User) string {
	return fmt.Sprintf("%s#%s (ID: %s)", u.Username, u.Discriminator, u.ID)
}

func roleName(s *discordgo.State, rid string) string {
	role, _ := s.Role(config.ServerID, rid)
	return role.Name
}

func channelToString(c *discordgo.Channel) string {
	return fmt.Sprintf("%s (ID: %s) on %s", c.Name, c.ID, c.GuildID)
}

func messageToString(m *discordgo.Message) string {
	return fmt.Sprintf("<%s#%s>: %s", m.Author.Username, m.Author.Discriminator, m.Content)
}

func getChannel(s *discordgo.State, cid string) *discordgo.Channel {
	channel, _ := s.Channel(cid)
	return channel
}

func getUser(s *discordgo.Session, uid string) *discordgo.User {
	user, _ := s.User(uid)
	return user
}

func isDM(s *discordgo.Session, m *discordgo.MessageCreate) bool {
	return (getChannel(s.State, m.ChannelID).Type == discordgo.ChannelTypeDM)
}

func getDMChannelFromMessage(s *discordgo.Session, m *discordgo.MessageCreate) *discordgo.Channel {
	dm, _ := s.UserChannelCreate(m.Author.ID)
	return dm
}

func isAdmin(u *discordgo.User) bool {
	for _, admin := range config.Admins {
		if u.ID == admin {
			return true
		}
	}
	return false
}

func getServer() (*discordgo.Guild, error) {
	server, err := state.Guild(config.ServerID)
	return server, err
}

func remove(channels []*discordgo.Channel, position int) []*discordgo.Channel {
	channels[len(channels)-1], channels[position] = channels[position], channels[len(channels)-1]
	return channels[:len(channels)-1]
}