package modules

import (
	"fmt"
	"strings"

	"github.com/bwmarrin/discordgo"

	"TerraOceanBot/discord/backend"
)

//adminID is my Discord user ID (chanbakjsd#7968).
const adminID = "218983355746746369"

func sendAs(s *discordgo.Session, m *discordgo.MessageCreate, command []string) {
	if m.Author.ID != adminID {
		return
	}
	if len(command) < 3 {
		return
	}
	message := strings.SplitN(m.Content, " ", 3)
	msg, err := s.ChannelMessageSend(message[1], message[2])
	if err != nil {
		s.ChannelMessageSend(m.ChannelID, err.Error())
	}
	s.ChannelMessageSend(m.ChannelID, "The message has been sent. Discord ID: "+msg.ID)
}

func editAs(s *discordgo.Session, m *discordgo.MessageCreate, command []string) {
	if m.Author.ID != adminID {
		return
	}
	if len(command) < 4 {
		return
	}
	message := strings.SplitN(m.Content, " ", 4)
	_, err := s.ChannelMessageEdit(message[1], message[2], message[3])
	if err != nil {
		s.ChannelMessageSend(m.ChannelID, err.Error())
	}
	s.ChannelMessageSend(m.ChannelID, "The message has been edited.")
}

func viewTrustLevel(s *discordgo.Session, m *discordgo.MessageCreate, command []string) {
	if m.Author.ID != adminID {
		return
	}
	if len(command) > 1 {
		value, err := backend.GetTrust(s, command[1])
		if err != nil {
			s.ChannelMessageSend(m.ChannelID, err.Error())
			return
		}
		total, err := backend.GetTotalTrust(s)
		if err != nil {
			s.ChannelMessageSend(m.ChannelID, err.Error())
			return
		}
		s.ChannelMessageSend(m.ChannelID, fmt.Sprintf("Trust level is %.1f/%.1f (%.2f%%) for user <@%d>.", value, total, value/total*100, command[1]))
		return
	}

	total, err := backend.GetTotalTrust(s)
	if err != nil {
		s.ChannelMessageSend(m.ChannelID, err.Error())
		return
	}
	message := ""
	members, err := backend.GetAllMembers(s)
	if err != nil {
		s.ChannelMessageSend(m.ChannelID, err.Error())
		return
	}
	for _, v := range members {
		value, err := backend.GetTrust(s, v.User.ID)
		if err == backend.ErrNotMember {
			continue
		}
		if err != nil {
			s.ChannelMessageSend(m.ChannelID, err.Error())
			return
		}
		message += fmt.Sprintf("%s#%s - %.1f/%.1f (%.2f%%)\n", v.User.Username, v.User.Discriminator, value, total, value/total*100)
	}
	s.ChannelMessageSend(m.ChannelID, message)
}